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Ma Y, Huang Y, Zhang W, Dong J, Zhang X, Zhu Y, Wang Y, Liu L, Xu L. RsNRAMP5, a major metal transporter, promotes cadmium influx and ROS accumulation in radish (Raphanus sativus L.). PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2025; 218:109323. [PMID: 39603032 DOI: 10.1016/j.plaphy.2024.109323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2024] [Revised: 10/28/2024] [Accepted: 11/20/2024] [Indexed: 11/29/2024]
Abstract
Arable soil contamination with heavy metals (HMs) poses a great potential threat to vegetable crops and human health. Radish (Raphanus sativus L.), an economical and popular root vegetable crop, is easily absorbed HMs by its taproot. Although the Natural Resistance-Associated Macrophage Proteins (NRAMPs) were participated in transporting a number of HMs in plants, whether and how the NRAMP genes involved in cadmium (Cd) uptake and transport remains elusive in radish. In this study, a total of nine RsNRAMP gene members were identified, which were classified into three subgroups and dispersed on six radish chromosomes. Three RsNRAMPs (RsNRAMP3, RsNRAMP4 and RsNRAMP5) displayed high expression in the vascular cambium, and they exhibited obviously Cd-induced expression, among which the expression of RsNRAMP4 and RsNRAMP5 reached to the highest level at 24h. Moreover, the RsNRAMP5 was localized to the plasma membrane and its promoter activity was dramatically induced by Cd exposure. Heterologous expression analysis indicated that over-expression of RsNRAMP5 significantly promoted the uptake of Cd, lead (Pb), iron (Fe) and manganese (Mn) in yeast cells. In addition, the transient over-expression of RsNRAMP5 promoted Cd uptake and enhanced ROS (reactive oxygen species) accumulation in radish cotyledons. These findings would expedite unraveling the molecular mechanism underlying RsNRAMP5-mediated Cd uptake and transport in radish.
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Affiliation(s)
- Yingfei Ma
- National Key Laboratory of Crop Genetics & Germplasm Enhancement and Utilization, Key Laboratory of Horticultural Crop Biology and Genetic Improvement (East China) of MOAR, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, China
| | - Yudi Huang
- National Key Laboratory of Crop Genetics & Germplasm Enhancement and Utilization, Key Laboratory of Horticultural Crop Biology and Genetic Improvement (East China) of MOAR, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, China
| | - Weilan Zhang
- National Key Laboratory of Crop Genetics & Germplasm Enhancement and Utilization, Key Laboratory of Horticultural Crop Biology and Genetic Improvement (East China) of MOAR, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, China
| | - Jiaheng Dong
- National Key Laboratory of Crop Genetics & Germplasm Enhancement and Utilization, Key Laboratory of Horticultural Crop Biology and Genetic Improvement (East China) of MOAR, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, China
| | - Xiaoli Zhang
- National Key Laboratory of Crop Genetics & Germplasm Enhancement and Utilization, Key Laboratory of Horticultural Crop Biology and Genetic Improvement (East China) of MOAR, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, China
| | - Yuelin Zhu
- National Key Laboratory of Crop Genetics & Germplasm Enhancement and Utilization, Key Laboratory of Horticultural Crop Biology and Genetic Improvement (East China) of MOAR, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, China
| | - Yan Wang
- National Key Laboratory of Crop Genetics & Germplasm Enhancement and Utilization, Key Laboratory of Horticultural Crop Biology and Genetic Improvement (East China) of MOAR, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, China
| | - Liwang Liu
- National Key Laboratory of Crop Genetics & Germplasm Enhancement and Utilization, Key Laboratory of Horticultural Crop Biology and Genetic Improvement (East China) of MOAR, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, China
| | - Liang Xu
- National Key Laboratory of Crop Genetics & Germplasm Enhancement and Utilization, Key Laboratory of Horticultural Crop Biology and Genetic Improvement (East China) of MOAR, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, China.
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Qin M, Wu Z, Zhang C, Jiang Y, Jiang CZ, Sun X, Gao J. The histone deacetylase RhHDA15 represses petal senescence by epigenetically regulating reactive oxygen species homeostasis in rose. PLANT PHYSIOLOGY 2024; 197:kiae612. [PMID: 39527130 DOI: 10.1093/plphys/kiae612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2024] [Accepted: 09/29/2024] [Indexed: 11/16/2024]
Abstract
Epigenetic modifications play vital roles in many biological processes. Flower senescence involves epigenetic factors that influence the chromatin state and gene expression. However, the molecular mechanism underlying the role of histone deacetylation in regulating flower senescence has not been elucidated. Here, we demonstrate that histone deacetylation is involved in flower senescence by fine-tuning reactive oxygen species (ROS) homeostasis in rose (Rosa hybrida). Our data reveal that the histone lysine deacetyltransferase RhHDA15 inhibits ROS accumulation and petal senescence by downregulating the expression of NADPH OXIDASE/RESPIRATORY BURST OXIDASE HOMOLOG (RhRboh) genes. Furthermore, the transcription factor RELATED TO ABI3/VP1 2 (RhRAV2) recruits RhHDA15 and the co-repressor TOPLESS (RhTPL) to suppress flower senescence by reducing H3 lysine 9 acetylation (H3K9ac) at the RhRbohA1/2 promoter and thus directly inhibiting precocious RhRbohA1/2 expression. Our work sheds light on an epigenetic mechanism in which histone deacetylation plays a crucial role in controlling petal senescence by precisely fine-tuning ROS homeostasis, providing insights into the regulatory network of organ senescence.
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Affiliation(s)
- Meizhu Qin
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
| | - Zhicheng Wu
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
- School of Biology and Agriculture, Shaoguan University, Shaoguan 512005, China
| | - Chengkun Zhang
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
| | - Yunhe Jiang
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
| | - Cai-Zhong Jiang
- Crops Pathology and Genetic Research Unit, United States Department of Agriculture, Agricultural Research Service, Davis, CA 95616, USA
- Department of Plant Sciences, University of California at Davis, Davis, CA 95616, USA
| | - Xiaoming Sun
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
| | - Junping Gao
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
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Lei Y, Chen C, Chen W, Dai H. The MdIAA29-MdARF4 complex plays an important role in balancing plant height with salt and drought stress responses. PLANT PHYSIOLOGY 2024; 196:2795-2811. [PMID: 39230895 DOI: 10.1093/plphys/kiae467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2024] [Revised: 07/15/2024] [Accepted: 08/07/2024] [Indexed: 09/05/2024]
Abstract
Breeding dwarf apple (Malus domestica) varieties is a recent trend in agriculture because such varieties are easy to maintain and have high yields; however, dwarf apple trees generally have poor stress tolerance. Balancing apple plant height and stress response has been an important breeding goal. In this study, aux/indole-3-acetic acid 29 gene in apple (MdIAA29) overexpression lines (#1, #2, and #3) had reduced plant height by 39%, 31%, and 35%, respectively, suitable for close planting applications. Surprisingly, the dwarf MdIAA29-overexpressing lines also showed increased plant tolerance to salt and drought stresses. Further analysis showed that MdIAA29 inhibited the regulation of auxin response factor 4 (ARF4) on Gretchen Hagen 3.9 (GH3.9) gene and 9-cis-epoxycarotenoid dioxygenase 3 (NCED3) gene in apple and changed the contents of auxin and abscisic acid in different tissues, thus achieving a balance between plant height and stress tolerance. In addition, we also found that MdIAA7 enhanced the inhibitory effect of MdIAA29 on MdARF4. In brief, the MdIAA29-MdARF4 complex significantly impacts the height of apple plants and their ability to respond to salt and drought stress.
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Affiliation(s)
- Yingying Lei
- College of Horticulture, Shenyang Agricultural University, Shenyang 110866, China
| | - Cui Chen
- College of Horticulture, Shenyang Agricultural University, Shenyang 110866, China
| | - Wenjun Chen
- College of Horticulture, Shenyang Agricultural University, Shenyang 110866, China
| | - Hongyan Dai
- College of Horticulture, Shenyang Agricultural University, Shenyang 110866, China
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Zhong Y, Wang Y, Pan X, Wang R, Li D, Ren W, Hao Z, Shi X, Guo J, Ramarojaona E, Schilder M, Bouwmeester H, Chen L, Yu P, Yan J, Chu J, Xu Y, Liu W, Dong Z, Wang Y, Zhang X, Zhang F, Li X. ZmCCD8 regulates sugar and amino acid accumulation in maize kernels via strigolactone signalling. PLANT BIOTECHNOLOGY JOURNAL 2024. [PMID: 39522159 DOI: 10.1111/pbi.14513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Revised: 09/06/2024] [Accepted: 10/23/2024] [Indexed: 11/16/2024]
Abstract
How carbon (sucrose) and nitrogen (amino acid) accumulation is coordinatively controlled in cereal grains remains largely enigmatic. We found that overexpression of the strigolactone (SL) biosynthesis gene CAROTENOID CLEAVAGE DIOXYGENASE 8 (CCD8) resulted in greater ear diameter and enhanced sucrose and amino acid accumulation in maize kernels. Loss of ZmCCD8 function reduced kernel growth with lower sugar and amino acid concentrations. Transcriptomic analysis showed down-regulation of the transcription factors ZmMYB42 and ZmMYB63 in ZmCCD8 overexpression alleles and up-regulation in zmccd8 null alleles. Importantly, ZmMYB42 and ZmMYB63 were negatively regulated by the SL signalling component UNBRANCHED 3, and repressed expression of the sucrose transporters ZmSWEET10 and ZmSWEET13c and the lysine/histidine transporter ZmLHT14. Consequently, null alleles of ZmMYB42 or ZmMYB63 promoted accumulation of soluble sugars and free amino acids in maize kernels, whereas ZmLHT14 overexpression enhanced amino acid accumulation in kernels. Moreover, overexpression of the SL receptor DWARF 14B resulted in more sucrose and amino acid accumulation in kernels, down-regulation of ZmMYB42 and ZmMYB63 expression, and up-regulation of ZmSWEETs and ZmLHT14 transcription. Together, we uncover a distinct SL signalling pathway that regulates sucrose and amino acid accumulation in kernels. Significant association of two SNPs in the 5' upstream region of ZmCCD8 with ear and cob diameter implicates its potential in breeding toward higher yield and nitrogen efficiency.
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Affiliation(s)
- Yanting Zhong
- State Key Laboratory of Nutrient Use and Management, College of Resources and Environmental Sciences, China Agricultural University, Beijing, China
- Beijing Key Laboratory of Growth and Developmental Regulation for Protected Vegetable Crops, Department of Vegetable Sciences, China Agricultural University, Beijing, China
| | - Yongqi Wang
- State Key Laboratory of Nutrient Use and Management, College of Resources and Environmental Sciences, China Agricultural University, Beijing, China
| | - Xiaoying Pan
- State Key Laboratory of Nutrient Use and Management, College of Resources and Environmental Sciences, China Agricultural University, Beijing, China
| | - Ruifeng Wang
- State Key Laboratory of Nutrient Use and Management, College of Resources and Environmental Sciences, China Agricultural University, Beijing, China
| | - Dongdong Li
- College of Agronomy and Biotechnology, China Agricultural University, Beijing, China
| | - Wei Ren
- College of Grassland Science and Technology, China Agricultural University, Beijing, China
| | - Ziyi Hao
- Department of Ecology and Ecological Engineering, China Agricultural University, Beijing, China
| | - Xionggao Shi
- State Key Laboratory of Nutrient Use and Management, College of Resources and Environmental Sciences, China Agricultural University, Beijing, China
| | - Jingyu Guo
- Beijing Key Laboratory of Growth and Developmental Regulation for Protected Vegetable Crops, Department of Vegetable Sciences, China Agricultural University, Beijing, China
| | - Elia Ramarojaona
- Plant Hormone Biology Group, Swammerdam Institute for Life Sciences, University of Amsterdam, Amsterdam, The Netherlands
| | - Mario Schilder
- Plant Hormone Biology Group, Swammerdam Institute for Life Sciences, University of Amsterdam, Amsterdam, The Netherlands
| | - Harro Bouwmeester
- Plant Hormone Biology Group, Swammerdam Institute for Life Sciences, University of Amsterdam, Amsterdam, The Netherlands
| | - Limei Chen
- State Key Laboratory of Plant Environmental Resilience, Center for crop functional genomics and molecular breeding, College of Biological Science, China Agricultural University, Beijing, China
| | - Peng Yu
- Emmy Noether Group Root Functional Biology, Institute of Crop Science and Resource Conservation, University of Bonn, Bonn, Germany
| | - Jijun Yan
- National Centre for Plant Gene Research (Beijing), Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, China
| | - Jinfang Chu
- National Centre for Plant Gene Research (Beijing), Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Yanjun Xu
- Department of Applied Chemistry, China Agricultural University, Beijing, China
| | - Wenxin Liu
- College of Agronomy and Biotechnology, China Agricultural University, Beijing, China
| | - Zhaobin Dong
- College of Agronomy and Biotechnology, China Agricultural University, Beijing, China
| | - Yi Wang
- State Key Laboratory of Plant Environmental Resilience, Center for crop functional genomics and molecular breeding, College of Biological Science, China Agricultural University, Beijing, China
| | - Xiaolan Zhang
- Beijing Key Laboratory of Growth and Developmental Regulation for Protected Vegetable Crops, Department of Vegetable Sciences, China Agricultural University, Beijing, China
| | - Fusuo Zhang
- State Key Laboratory of Nutrient Use and Management, College of Resources and Environmental Sciences, China Agricultural University, Beijing, China
| | - Xuexian Li
- State Key Laboratory of Nutrient Use and Management, College of Resources and Environmental Sciences, China Agricultural University, Beijing, China
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Li XJ, Zhou XH, Bao AK. Genome-wide analysis of the R2R3-MYB gene family and identification of candidate genes that regulate isoflavone biosynthesis in red clover (Trifolium pratense). Int J Biol Macromol 2024; 282:137182. [PMID: 39489260 DOI: 10.1016/j.ijbiomac.2024.137182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2024] [Revised: 10/23/2024] [Accepted: 10/31/2024] [Indexed: 11/05/2024]
Abstract
Red clover (Trifolium pratense) is a perennial legume with high feeding and medicinal value attributed to its abundant isoflavone content. Previous studies reported that R2R3-MYB transcription factors are involved in the biosynthesis of isoflavones; however, their specific role in red clover remains poorly understood. Through comprehensive genome-wide and transcriptome analyses, a total of 138 TpR2R3-MYB genes were identified and classified into 30 distinct subgroups within a phylogenetic tree. Importantly, six of these subgroups showed associations with isoflavone biosynthesis in red clover. The majority of segmental duplication events (Ka/Ks < 1) indicated that the TpR2R3-MYB gene underwent strong purifying selection during evolution. The qRT-PCR analysis demonstrated high expression levels of TpMYB79 and TpMYB53 in Minshan red clover at full flowering stage, consistent with the trend for isoflavone content determination, suggesting that TpMYB79 and TpMYB53 might be important regulators of isoflavone biosynthesis in red clover. Additionally, we observed nucleus and vacuole membrane localization of TpMYB53 and TpMYB79, with TpMYB53 primarily exerting transcriptional activation through its C-terminal activation motifs while TpMYB79 exhibited no transcriptional activity. These findings provided a foundation for the study of the biological function of R2R3-MYB transcription factors in red clover.
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Affiliation(s)
- Xiao-Jia Li
- State Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730000, China
| | - Xue-Hui Zhou
- Lanzhou Institute of Husbandry and Pharmaceutical Science, Chinese Academy of Agricultural Sciences, Lanzhou 730000, China
| | - Ai-Ke Bao
- State Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730000, China.
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Zeng R, Zhang X, Song G, Lv Q, Li M, Fu D, Zhang Z, Gao L, Zhang S, Yang X, Tian F, Yang S, Shi Y. Genetic variation in the aquaporin TONOPLAST INTRINSIC PROTEIN 4;3 modulates maize cold tolerance. PLANT BIOTECHNOLOGY JOURNAL 2024; 22:3037-3050. [PMID: 39024420 PMCID: PMC11500999 DOI: 10.1111/pbi.14426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Revised: 06/18/2024] [Accepted: 06/25/2024] [Indexed: 07/20/2024]
Abstract
Cold stress is a major abiotic stress that threatens maize (Zea mays L.) production worldwide. Understanding the molecular mechanisms underlying cold tolerance is crucial for breeding resilient maize varieties. Tonoplast intrinsic proteins (TIPs) are a subfamily of aquaporins in plants. Here, we report that TIP family proteins are involved in maize cold tolerance. The expression of most TIP genes was responsive to cold stress. Overexpressing TIP2;1, TIP3;2 or TIP4;3 reduced the cold tolerance of maize seedlings, while loss-of-function mutants of TIP4;3 exhibited enhanced cold tolerance. Candidate gene-based association analysis revealed that a 328-bp transposon insertion in the promoter region of TIP4;3 was strongly associated with maize cold tolerance. This transposon insertion conferred cold tolerance by repressing TIP4;3 expression through increased methylation of its promoter region. Moreover, TIP4;3 was found to suppress stomatal closure and facilitate reactive oxygen species (ROS) accumulation under cold stress, thereby inhibiting the expression of cold-responsive genes, including DEHYDRATION-RESPONSIVE ELEMENT BINDING FACTOR 1 (DREB1) genes and a subset of peroxidase genes, ultimately attenuating maize cold tolerance. This study thus elucidates the mechanism underlying TIP-mediated cold tolerance and identifies a favourable TIP4;3 allele as a potential genetic resource for breeding cold-tolerant maize varieties.
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Affiliation(s)
- Rong Zeng
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding, Center for Crop Functional Genomics and Molecular BreedingChina Agricultural UniversityBeijingChina
| | - Xiaoyan Zhang
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding, Center for Crop Functional Genomics and Molecular BreedingChina Agricultural UniversityBeijingChina
| | - Guangshu Song
- Jilin Academy of Agricultural Sciences (Northeast Agricultural Research Center of China)ChangchunChina
| | - Qingxue Lv
- Jilin Academy of Agricultural Sciences (Northeast Agricultural Research Center of China)ChangchunChina
| | - Minze Li
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding, Center for Crop Functional Genomics and Molecular BreedingChina Agricultural UniversityBeijingChina
| | - Diyi Fu
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding, Center for Crop Functional Genomics and Molecular BreedingChina Agricultural UniversityBeijingChina
| | - Zhuo Zhang
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding, Center for Crop Functional Genomics and Molecular BreedingChina Agricultural UniversityBeijingChina
| | - Lei Gao
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding, Center for Crop Functional Genomics and Molecular BreedingChina Agricultural UniversityBeijingChina
| | - Shuaisong Zhang
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding, Center for Crop Functional Genomics and Molecular BreedingChina Agricultural UniversityBeijingChina
| | - Xiaohong Yang
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding, Center for Crop Functional Genomics and Molecular BreedingChina Agricultural UniversityBeijingChina
- National Maize Improvement Center, Frontiers Science Center for Molecular Design Breeding, Department of Plant Genetics and BreedingChina Agricultural UniversityBeijingChina
| | - Feng Tian
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding, Center for Crop Functional Genomics and Molecular BreedingChina Agricultural UniversityBeijingChina
- National Maize Improvement Center, Frontiers Science Center for Molecular Design Breeding, Department of Plant Genetics and BreedingChina Agricultural UniversityBeijingChina
| | - Shuhua Yang
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding, Center for Crop Functional Genomics and Molecular BreedingChina Agricultural UniversityBeijingChina
| | - Yiting Shi
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding, Center for Crop Functional Genomics and Molecular BreedingChina Agricultural UniversityBeijingChina
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Yang Y, Liu X, Hu Z, Zhang Y, Yu H, Yang L, Leng P. Negative regulatory role of LiSRM1 in monoterpene biosynthesis in Lilium 'Siberia'. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 216:109167. [PMID: 39362127 DOI: 10.1016/j.plaphy.2024.109167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2024] [Revised: 09/11/2024] [Accepted: 09/27/2024] [Indexed: 10/05/2024]
Abstract
Lilium 'Siberia' is a commercially significant cut flower worldwide with an elegant shape and appealing scent, originating from the release of monoterpenes. However, the regulatory mechanism underlying lily monoterpenes has been largely unexplored. Here, a MYB transcription factor from 'Siberia' petals, LiSRM1, whose expression was negatively associated with monoterpene release. Subcellular localization analysis indicated that LiSRM1 was localized to the nucleus. A virus-induced gene silencing (VIGS) assay showed that silencing of LiSRM1 not only significantly increased the synthesis of linalool and ocimene, but also elevated the expression of LiLiS and LiOcS, respectively. Transient overexpression of LiSRM1 exerted opposite effects. Furthermore, yeast one-hybrid assays (Y1H) and dual-luciferase assays (LUC) demonstrated that LiSRM1 directly bound the promoters of LiLiS and LiOcS, respectively, and repressed their expression. Taken together, the results suggested that LiSRM1 negatively regulated monoterpene release and mediated the expression of LiLiS and LiOcS in Lilium.
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Affiliation(s)
- Yunyao Yang
- Forest and Fruit Tree Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai, 201403, China
| | - Xuping Liu
- College of Landscape Architecture, Beijing University of Agriculture, Beijing, 102206, China
| | - Zenghui Hu
- College of Landscape Architecture, Beijing University of Agriculture, Beijing, 102206, China
| | - Yongchun Zhang
- Forest and Fruit Tree Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai, 201403, China
| | - Haiyang Yu
- College of Horticulture and Gardening, Yangtze University, Jingzhou, 434025, China
| | - Liuyan Yang
- Forest and Fruit Tree Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai, 201403, China.
| | - Pingsheng Leng
- College of Landscape Architecture, Beijing University of Agriculture, Beijing, 102206, China.
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8
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Chen Z, Li P, He J, Wang W, Pu X, Chen S, Gao B, Wang X, Zhu RL, Yuan W, Liu L. Identification of a novel gene, Bryophyte Co-retained Gene 1, that has a positive role in desiccation tolerance in the moss Physcomitrium patens. JOURNAL OF EXPERIMENTAL BOTANY 2024; 75:6609-6624. [PMID: 39082751 DOI: 10.1093/jxb/erae332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2024] [Accepted: 07/30/2024] [Indexed: 11/01/2024]
Abstract
The moss Physcomitrium patens is a model system for the evolutionary study of land plants, and as such, it may contain as yet unannotated genes with functions related to the adaptation to water deficiency that was required during the water-to-land transition. In this study, we identified a novel gene, Bryophyte Co-retained Gene 1 (BCG1), in P. patens that is responsive to dehydration and rehydration. Under de- and rehydration treatments, BCG1 was significantly co-expressed with DHNA, which encodes a dehydrin (DHN). Examination of previous microarray data revealed that BCG1 is highly expressed in spores, archegonia (female reproductive organ), and mature sporophytes. In addition, the bcg1 mutant showed reduced dehydration tolerance, and this was accompanied by a relatively low level of chlorophyll content during recovery. Comprehensive transcriptomics uncovered a detailed set of regulatory processes that were affected by the disruption to BCG1. Experimental evidence showed that BCG1 might function in antioxidant activity, the abscisic acid pathway, and in intracellular Ca2+ homeostasis to resist desiccation. Overall, our results provide insights into the role of a bryophyte co-retained gene in desiccation tolerance.
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Affiliation(s)
- Zexi Chen
- State Key Laboratory of Biocatalysis and Enzyme Engineering, Hubei Collaborative Innovation Center for Green Transformation of Bio-Resources, Hubei Key Laboratory of Industrial Biotechnology, School of Life Sciences, Hubei University, Wuhan 430062, China
| | - Ping Li
- State Key Laboratory of Biocatalysis and Enzyme Engineering, Hubei Collaborative Innovation Center for Green Transformation of Bio-Resources, Hubei Key Laboratory of Industrial Biotechnology, School of Life Sciences, Hubei University, Wuhan 430062, China
| | - Jianfang He
- Tsinghua-Peking Center for Life Sciences, MOE Key Laboratory of Bioinformatics, School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Wenbo Wang
- State Key Laboratory of Biocatalysis and Enzyme Engineering, Hubei Collaborative Innovation Center for Green Transformation of Bio-Resources, Hubei Key Laboratory of Industrial Biotechnology, School of Life Sciences, Hubei University, Wuhan 430062, China
| | - Xiaojun Pu
- State Key Laboratory of Biocatalysis and Enzyme Engineering, Hubei Collaborative Innovation Center for Green Transformation of Bio-Resources, Hubei Key Laboratory of Industrial Biotechnology, School of Life Sciences, Hubei University, Wuhan 430062, China
| | - Silin Chen
- State Key Laboratory of Biocatalysis and Enzyme Engineering, Hubei Collaborative Innovation Center for Green Transformation of Bio-Resources, Hubei Key Laboratory of Industrial Biotechnology, School of Life Sciences, Hubei University, Wuhan 430062, China
| | - Bei Gao
- State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China
| | - Xuewen Wang
- Center for Applied Genetic Technologies, College of Agricultural and Environmental Sciences, University of Georgia, Athens, GA 30601, USA
| | - Rui-Liang Zhu
- School of Life Sciences, East, China Normal University, Shanghai 200241, China
| | - Wenya Yuan
- State Key Laboratory of Biocatalysis and Enzyme Engineering, Hubei Collaborative Innovation Center for Green Transformation of Bio-Resources, Hubei Key Laboratory of Industrial Biotechnology, School of Life Sciences, Hubei University, Wuhan 430062, China
| | - Li Liu
- State Key Laboratory of Biocatalysis and Enzyme Engineering, Hubei Collaborative Innovation Center for Green Transformation of Bio-Resources, Hubei Key Laboratory of Industrial Biotechnology, School of Life Sciences, Hubei University, Wuhan 430062, China
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9
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Lu X, Kong E, Shen L, Ye Y, Wang Y, Dong B, Zhong S. A Plasma Membrane Intrinsic Protein Gene OfPIP2 Involved in Promoting Petal Expansion and Drought Resistance in Osmanthus fragrans. Int J Mol Sci 2024; 25:10716. [PMID: 39409047 PMCID: PMC11477222 DOI: 10.3390/ijms251910716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2024] [Revised: 10/02/2024] [Accepted: 10/03/2024] [Indexed: 10/20/2024] Open
Abstract
Osmanthus fragrans, a native to China, is renowned as a highly popular gardening plant. However, this plant faces significant challenges from drought stress, which can adversely affect its flowering. In this study, we found that the plasma membrane-localized gene OfPIP2 exhibited a substantial upregulation during the flowering stages and in response to drought stress. GUS staining has illustrated that the OfPIP2 promoter can drive GUS activity under drought conditions. The overexpression of OfPIP2 was found to enhance petal size by modulating epidermal cell dimensions in Petunia and tobacco. Moreover, this overexpression also bolstered drought tolerance, as evidenced by a reduction in stomatal aperture in both species. Furthermore, yeast one-hybrid (Y1H) and dual-luciferase (Dual-LUC) assays have indicated that the transcription factor OfMYB28 directly binds to the OfPIP2 promoter, thereby regulating its expression. Together, we speculated that a module of OfMYB28-OfPIP2 was not only involved in the enhancement of petal size but also conferred the improvement of drought tolerance in O. fragrans. These results contribute valuable insights into the molecular function of the OfPIP2 gene and lay a foundation for molecular breeding strategies in O. fragrans.
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Affiliation(s)
- Xinke Lu
- School of Landscape Architecture, Zhejiang Agriculture and Forestry University, Hangzhou 311300, China; (X.L.); (E.K.); (L.S.); (Y.Y.); (Y.W.)
| | - En Kong
- School of Landscape Architecture, Zhejiang Agriculture and Forestry University, Hangzhou 311300, China; (X.L.); (E.K.); (L.S.); (Y.Y.); (Y.W.)
| | - Lixiao Shen
- School of Landscape Architecture, Zhejiang Agriculture and Forestry University, Hangzhou 311300, China; (X.L.); (E.K.); (L.S.); (Y.Y.); (Y.W.)
| | - Yong Ye
- School of Landscape Architecture, Zhejiang Agriculture and Forestry University, Hangzhou 311300, China; (X.L.); (E.K.); (L.S.); (Y.Y.); (Y.W.)
| | - Yiguang Wang
- School of Landscape Architecture, Zhejiang Agriculture and Forestry University, Hangzhou 311300, China; (X.L.); (E.K.); (L.S.); (Y.Y.); (Y.W.)
- Zhejiang Provincial Key Laboratory of Germplasm Innovation and Utilization for Garden Plants, Hangzhou 311300, China
| | - Bin Dong
- School of Landscape Architecture, Zhejiang Agriculture and Forestry University, Hangzhou 311300, China; (X.L.); (E.K.); (L.S.); (Y.Y.); (Y.W.)
- Zhejiang Provincial Key Laboratory of Germplasm Innovation and Utilization for Garden Plants, Hangzhou 311300, China
| | - Shiwei Zhong
- School of Landscape Architecture, Zhejiang Agriculture and Forestry University, Hangzhou 311300, China; (X.L.); (E.K.); (L.S.); (Y.Y.); (Y.W.)
- Zhejiang Provincial Key Laboratory of Germplasm Innovation and Utilization for Garden Plants, Hangzhou 311300, China
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10
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Wang R, Zhong Y, Han J, Huang L, Wang Y, Shi X, Li M, Zhuang Y, Ren W, Liu X, Cao H, Xin B, Lai J, Chen L, Chen F, Yuan L, Wang Y, Li X. NIN-LIKE PROTEIN3.2 inhibits repressor Aux/IAA14 expression and enhances root biomass in maize seedlings under low nitrogen. THE PLANT CELL 2024; 36:4388-4403. [PMID: 38917216 PMCID: PMC11448906 DOI: 10.1093/plcell/koae184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 05/29/2024] [Accepted: 06/18/2024] [Indexed: 06/27/2024]
Abstract
Plants generally enhance their root growth in the form of greater biomass and/or root length to boost nutrient uptake in response to short-term low nitrogen (LN). However, the underlying mechanisms of short-term LN-mediated root growth remain largely elusive. Our genome-wide association study, haplotype analysis, and phenotyping of transgenic plants showed that the crucial nitrate signaling component NIN-LIKE PROTEIN3.2 (ZmNLP3.2), a positive regulator of root biomass, is associated with natural variations in root biomass of maize (Zea mays L.) seedlings under LN. The monocot-specific gene AUXIN/INDOLE-3-ACETIC ACID14 (ZmAux/IAA14) exhibited opposite expression patterns to ZmNLP3.2 in ZmNLP3.2 knockout and overexpression lines, suggesting that ZmNLP3.2 hampers ZmAux/IAA14 transcription. Importantly, ZmAux/IAA14 knockout seedlings showed a greater root dry weight (RDW), whereas ZmAux/IAA14 overexpression reduced RDW under LN compared with wild-type plants, indicating that ZmAux/IAA14 negatively regulates the RDW of LN-grown seedlings. Moreover, in vitro and vivo assays indicated that AUXIN RESPONSE FACTOR19 (ZmARF19) binds to and transcriptionally activates ZmAux/IAA14, which was weakened by the ZmNLP3.2-ZmARF19 interaction. The zmnlp3.2 ZmAux/IAA14-OE seedlings exhibited further reduced RDW compared with ZmAux/IAA14 overexpression lines when subjected to LN treatment, corroborating the ZmNLP3.2-ZmAux/IAA14 interaction. Thus, our study reveals a ZmNLP3.2-ZmARF19-ZmAux/IAA14 module regulating root biomass in response to nitrogen limitation in maize.
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Affiliation(s)
- Ruifeng Wang
- State Key Laboratory of Nutrient Use and Management, College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China
| | - Yanting Zhong
- State Key Laboratory of Nutrient Use and Management, College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China
| | - Jienan Han
- Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Liangliang Huang
- Department of Plant Genetics and Breeding, State Key Laboratory of Maize Bio-Breeding, National Maize Improvement Center, China Agricultural University, Beijing 100193, China
| | - Yongqi Wang
- State Key Laboratory of Nutrient Use and Management, College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China
| | - Xionggao Shi
- State Key Laboratory of Nutrient Use and Management, College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China
| | - Mengfei Li
- State Key Laboratory of Plant Environmental Resilience, National Maize Improvement Center, Beijing Key Laboratory of Crop Genetic Improvement, Joint International Research Laboratory of Crop Molecular Breeding, College of Agronomy and Biotechnology, China Agricultural University, Beijing 100193, China
| | - Yao Zhuang
- State Key Laboratory of Plant Environmental Resilience, College of Natural Resources and Environmental Science, Zhejiang University, Hangzhou 310058, China
| | - Wei Ren
- College of Grassland Science and Technology, China Agricultural University, Beijing 100193, China
| | - Xiaoting Liu
- State Key Laboratory of Nutrient Use and Management, College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China
| | - Huairong Cao
- State Key Laboratory of Nutrient Use and Management, College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China
| | - Beibei Xin
- Department of Plant Genetics and Breeding, State Key Laboratory of Maize Bio-Breeding, National Maize Improvement Center, China Agricultural University, Beijing 100193, China
| | - Jinsheng Lai
- Department of Plant Genetics and Breeding, State Key Laboratory of Maize Bio-Breeding, National Maize Improvement Center, China Agricultural University, Beijing 100193, China
| | - Limei Chen
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, China Agricultural University, Beijing 100193, China
- Center for Crop Functional Genomics and Molecular Breeding, China Agricultural University, Beijing 100193, China
| | - Fanjun Chen
- State Key Laboratory of Nutrient Use and Management, College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China
| | - Lixing Yuan
- State Key Laboratory of Nutrient Use and Management, College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China
| | - Yi Wang
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, China Agricultural University, Beijing 100193, China
- Center for Crop Functional Genomics and Molecular Breeding, China Agricultural University, Beijing 100193, China
| | - Xuexian Li
- State Key Laboratory of Nutrient Use and Management, College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China
- Center for Crop Functional Genomics and Molecular Breeding, China Agricultural University, Beijing 100193, China
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11
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Gong F, Jing W, Jin W, Liu H, Zhang Y, Wang R, Wei Y, Tang K, Jiang Y, Gao J, Sun X. RhMYC2 controls petal size through synergistic regulation of jasmonic acid and cytokinin signaling in rose. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2024; 120:459-472. [PMID: 39164914 DOI: 10.1111/tpj.16993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Revised: 06/05/2024] [Accepted: 07/27/2024] [Indexed: 08/22/2024]
Abstract
Petal size is determined by cell division and cell expansion. Jasmonic acid (JA) has been reported to be associated with floral development, but its regulatory mechanism affecting petal size remains unclear. Here, we reveal the vital role of JA in regulating petal size and the duration of the cell division phase via the key JA signaling component RhMYC2. We show that RhMYC2 expression is induced by exogenous treatment with methyl jasmonate and decreases from stage 0 to stage 2 of flower organ development, corresponding to the cell division phase. Furthermore, silencing RhMYC2 shortened the duration of the cell division phase, ultimately accelerating flowering opening and resulting in smaller petals. In addition, we determined that RhMYC2 controls cytokinin homeostasis in rose petals by directly activating the expression of the cytokinin biosynthetic gene LONELY GUY3 (RhLOG3) and repressing that of the cytokinin catabolism gene CYTOKININ OXIDASE/DEHYDROGENASE6 (RhCKX6). Silencing RhLOG3 shortened the duration of the cell division period and produced smaller petals, similar to RhMYC2 silencing. Our results underscore the synergistic effects of JA and cytokinin in regulating floral development, especially for petal size in roses.
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Affiliation(s)
- Feifei Gong
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China
| | - Weikun Jing
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China
- Flower Research Institute of Yunnan Academy of Agricultural Sciences, Kunming, 650205, Yunnan, China
| | - Weichan Jin
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China
| | - Huwei Liu
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China
| | - Yuanfei Zhang
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China
| | - Rui Wang
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China
| | - Yinghao Wei
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China
| | - Kaiyang Tang
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China
| | - Yunhe Jiang
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China
| | - Junping Gao
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China
| | - Xiaoming Sun
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China
- Flower Research Institute of Yunnan Academy of Agricultural Sciences, Kunming, 650205, Yunnan, China
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12
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Zhu H, Bao Y, Peng H, Li X, Pan W, Yang Y, Kuang Z, Ji P, Liu J, Shen D, Ai G, Dou D. Phosphorylation of PIP2;7 by CPK28 or Phytophthora kinase effectors dampens pattern-triggered immunity in Arabidopsis. PLANT COMMUNICATIONS 2024:101135. [PMID: 39277790 DOI: 10.1016/j.xplc.2024.101135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2024] [Revised: 08/13/2024] [Accepted: 09/11/2024] [Indexed: 09/17/2024]
Abstract
Plasma membrane intrinsic proteins (PIPs), a subclass of aquaporins, play an important role in plant immunity by acting as H2O2 transporters. Their homeostasis is mostly maintained by C-terminal serine phosphorylation. However, the kinases that phosphorylate PIPs and manipulate their turnover are largely unknown. Here, we found that Arabidopsis thaliana PIP2;7 positively regulates plant immunity by transporting H2O2. Arabidopsis CALCIUM-DEPENDENT PROTEIN KINASE 28 (CPK28) directly interacts with and phosphorylates PIP2;7 at Ser273/276 to induce its degradation. During pathogen infection, CPK28 dissociates from PIP2;7 and destabilizes, leading to PIP2;7 accumulation. As a countermeasure, oomycete pathogens produce conserved kinase effectors that stably bind to and mediate the phosphorylation of PIP2;7 to induce its degradation. Our study identifies PIP2;7 as a novel substrate of CPK28 and shows that its protein stability is negatively regulated by CPK28. Such phosphorylation could be mimicked by Phytophthora kinase effectors to promote infection. Accordingly, we developed a strategy to combat oomycete infection using a phosphorylation-resistant PIP2;7S273/276A mutant. The strategy only allows accumulation of PIP2;7S273/276A during infection to limit potential side effects on normal plant growth.
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Affiliation(s)
- Hai Zhu
- College of Plant Protection, Academy for Advanced Interdisciplinary Studies, Nanjing Agricultural University, Nanjing 210095, China
| | - Yazhou Bao
- College of Plant Protection, Academy for Advanced Interdisciplinary Studies, Nanjing Agricultural University, Nanjing 210095, China
| | - Hao Peng
- USDA-ARS, Crop Diseases, Pests and Genetics Research Unit, Parlier, CA 93648, USA
| | - Xianglan Li
- College of Plant Protection, Academy for Advanced Interdisciplinary Studies, Nanjing Agricultural University, Nanjing 210095, China
| | - Weiye Pan
- College of Plant Protection, Academy for Advanced Interdisciplinary Studies, Nanjing Agricultural University, Nanjing 210095, China
| | - Yufeng Yang
- College of Plant Protection, Academy for Advanced Interdisciplinary Studies, Nanjing Agricultural University, Nanjing 210095, China
| | - Zifei Kuang
- College of Plant Protection, Academy for Advanced Interdisciplinary Studies, Nanjing Agricultural University, Nanjing 210095, China
| | - Peiyun Ji
- College of Plant Protection, Academy for Advanced Interdisciplinary Studies, Nanjing Agricultural University, Nanjing 210095, China
| | - Jinding Liu
- College of Plant Protection, Academy for Advanced Interdisciplinary Studies, Nanjing Agricultural University, Nanjing 210095, China
| | - Danyu Shen
- College of Plant Protection, Academy for Advanced Interdisciplinary Studies, Nanjing Agricultural University, Nanjing 210095, China.
| | - Gan Ai
- College of Plant Protection, Academy for Advanced Interdisciplinary Studies, Nanjing Agricultural University, Nanjing 210095, China.
| | - Daolong Dou
- College of Plant Protection, Academy for Advanced Interdisciplinary Studies, Nanjing Agricultural University, Nanjing 210095, China
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13
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Guang H, Xiaoyang G, Zhian W, Ye W, Peng W, Linfang S, Bingting W, Anhong Z, Fuguang L, Jiahe W. The cotton MYB33 gene is a hub gene regulating the trade-off between plant growth and defense in Verticillium dahliae infection. J Adv Res 2024; 61:1-17. [PMID: 37648022 PMCID: PMC11258673 DOI: 10.1016/j.jare.2023.08.017] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 08/16/2023] [Accepted: 08/26/2023] [Indexed: 09/01/2023] Open
Abstract
INTRODUCTION Sessile plants engage in trade-offs between growth and defense capacity in response to fluctuating environmental cues. MYB is an important transcription factor that plays many important roles in controlling plant growth and defense. However, the mechanism behind how it keeps a balance between these two physiological processes is still largely unknown. OBJECTIVES Our work focuses on the dissection of the molecular mechanism by which GhMYB33 regulates plant growth and defense. METHODS The CRISPR/Cas9 technique was used to generate mutants for deciphering GhMYB33 functions. Yeast two-hybrid, luciferase complementary imaging, and co-immunoprecipitation assays were used to prove that proteins interact with each other. We used the electrophoretic mobility shift assay, yeast one-hybrid, and luciferase activity assays to analyze GhMYB33 acting as a promoter. A β-glucuronidase fusion reporter and 5' RNA ligase mediated amplification of cDNA ends analysis showed that ghr-miR319c directedly cleaved the GhMYB33 mRNA. RESULTS Overexpressing miR319c-resistant GhMYB33 (rGhMYB33) promoted plant growth, accompanied by a significant decline in resistance against Verticillium dahliae. Conversely, its knockout mutant, ghmyb33, demonstrated growth restriction and concomitant augmentation of V. dahliae resistance. GhMYB33 was found to couple with the DELLA protein GhGAI1 and bind to the specific cis-elements of GhSPL9 and GhDFR1 promoters, thereby modulating internode elongation and plant resistance in V. dahliae infection. The ghr-miR319c was discovered to target and suppress GhMYB33 expression. The overexpression of ghr-miR319c led to enhanced plant resistance and a simultaneous reduction in plant height. CONCLUSION Our findings demonstrate that GhMYB33 encodes a hub protein and controls the expression of GhSPL9 and GhDFR1, implicating a pivotal role for the miR319c-MYB33 module to regulate the trade-offs between plant growth and defense.
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Affiliation(s)
- Hu Guang
- National Key Laboratory of Cotton Bio‑breeding and Integrated Utilization, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China; State Key Laboratory of Plant Genomics, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - Ge Xiaoyang
- National Key Laboratory of Cotton Bio‑breeding and Integrated Utilization, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
| | - Wang Zhian
- Institute of Cotton Research, Shanxi Agricultural University, Yuncheng 044000, China
| | - Wang Ye
- National Key Laboratory of Cotton Bio‑breeding and Integrated Utilization, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
| | - Wang Peng
- National Key Laboratory of Cotton Bio‑breeding and Integrated Utilization, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
| | - Shi Linfang
- State Key Laboratory of Plant Genomics, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - Wang Bingting
- State Key Laboratory of Plant Genomics, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - Zhang Anhong
- Institute of Cotton Research, Shanxi Agricultural University, Yuncheng 044000, China
| | - Li Fuguang
- National Key Laboratory of Cotton Bio‑breeding and Integrated Utilization, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China.
| | - Wu Jiahe
- State Key Laboratory of Plant Genomics, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China.
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14
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Han L, Huang Y, Li C, Tian D, She D, Li M, Wang Z, Chen J, Liu L, Wang S, Song W, Wang L, Gu C, Wu T, Zhao J, Zhou Z, Zhang X. Heterotrimeric Gα-subunit regulates flower and fruit development in CLAVATA signaling pathway in cucumber. HORTICULTURE RESEARCH 2024; 11:uhae110. [PMID: 38898960 PMCID: PMC11186068 DOI: 10.1093/hr/uhae110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Accepted: 04/07/2024] [Indexed: 06/21/2024]
Abstract
Flowers and fruits are the reproductive organs in plants and play essential roles in natural beauty and the human diet. CLAVATA (CLV) signaling has been well characterized as regulating floral organ development by modulating shoot apical meristem (SAM) size; however, the signaling molecules downstream of the CLV pathway remain largely unknown in crops. Here, we found that functional disruption of CsCLV3 peptide and its receptor CsCLV1 both resulted in flowers with extra organs and stumpy fruits in cucumber. A heterotrimeric G protein α-subunit (CsGPA1) was shown to interact with CsCLV1. Csgpa1 mutant plants derived from gene editing displayed significantly increased floral organ numbers and shorter and wider fruits, a phenotype resembling that of Csclv mutants in cucumber. Moreover, the SAM size was enlarged and the longitudinal cell size of fruit was decreased in Csgpa1 mutants. The expression of the classical stem cell regulator WUSCHEL (WUS) was elevated in the SAM, while the expression of the fruit length stimulator CRABS CLAW (CRC) was reduced in the fruit of Csgpa1 mutants. Therefore, the Gα-subunit CsGPA1 protein interacts with CsCLV1 to inhibit floral organ numbers but promote fruit elongation, via repressing CsWUS expression and activating CsCRC transcription in cucumber. Our findings identified a new player in the CLV signaling pathway during flower and fruit development in dicots, increasing the number of target genes for precise manipulation of fruit shape during crop breeding.
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Affiliation(s)
- Lijie Han
- Beijing Key Laboratory of Growth and Developmental Regulation for Protected Vegetable Crops, Department of Vegetable Sciences, China Agricultural University, Beijing 100193, China
| | - Yafei Huang
- Beijing Key Laboratory of Growth and Developmental Regulation for Protected Vegetable Crops, Department of Vegetable Sciences, China Agricultural University, Beijing 100193, China
| | - Chuang Li
- Beijing Key Laboratory of Growth and Developmental Regulation for Protected Vegetable Crops, Department of Vegetable Sciences, China Agricultural University, Beijing 100193, China
| | - Di Tian
- Beijing Key Laboratory of Growth and Developmental Regulation for Protected Vegetable Crops, Department of Vegetable Sciences, China Agricultural University, Beijing 100193, China
| | - Daixi She
- Beijing Key Laboratory of Growth and Developmental Regulation for Protected Vegetable Crops, Department of Vegetable Sciences, China Agricultural University, Beijing 100193, China
| | - Min Li
- Beijing Key Laboratory of Growth and Developmental Regulation for Protected Vegetable Crops, Department of Vegetable Sciences, China Agricultural University, Beijing 100193, China
| | - Zhongyi Wang
- Beijing Key Laboratory of Growth and Developmental Regulation for Protected Vegetable Crops, Department of Vegetable Sciences, China Agricultural University, Beijing 100193, China
| | - Jiacai Chen
- Beijing Key Laboratory of Growth and Developmental Regulation for Protected Vegetable Crops, Department of Vegetable Sciences, China Agricultural University, Beijing 100193, China
| | - Liu Liu
- Beijing Key Laboratory of Growth and Developmental Regulation for Protected Vegetable Crops, Department of Vegetable Sciences, China Agricultural University, Beijing 100193, China
| | - Shaoyun Wang
- Beijing Key Laboratory of Growth and Developmental Regulation for Protected Vegetable Crops, Department of Vegetable Sciences, China Agricultural University, Beijing 100193, China
| | - Weiyuan Song
- Beijing Key Laboratory of Growth and Developmental Regulation for Protected Vegetable Crops, Department of Vegetable Sciences, China Agricultural University, Beijing 100193, China
| | - Liming Wang
- Beijing Key Laboratory of Growth and Developmental Regulation for Protected Vegetable Crops, Department of Vegetable Sciences, China Agricultural University, Beijing 100193, China
| | - Chaoheng Gu
- Beijing Key Laboratory of Growth and Developmental Regulation for Protected Vegetable Crops, Department of Vegetable Sciences, China Agricultural University, Beijing 100193, China
| | - Tao Wu
- College of Horticulture/Yuelu Mountain Laboratory of Hunan Province, Hunan Agricultural University, Changsha 410128, China
| | - Jianyu Zhao
- Beijing Key Laboratory of Growth and Developmental Regulation for Protected Vegetable Crops, Department of Vegetable Sciences, China Agricultural University, Beijing 100193, China
| | - Zhaoyang Zhou
- Beijing Key Laboratory of Growth and Developmental Regulation for Protected Vegetable Crops, Department of Vegetable Sciences, China Agricultural University, Beijing 100193, China
| | - Xiaolan Zhang
- Beijing Key Laboratory of Growth and Developmental Regulation for Protected Vegetable Crops, Department of Vegetable Sciences, China Agricultural University, Beijing 100193, China
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15
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Sun J, Wang M, Zhang X, Liu X, Jiang J. SlZIP11 mediates zinc accumulation and sugar storage in tomato fruits. PeerJ 2024; 12:e17473. [PMID: 38827312 PMCID: PMC11143971 DOI: 10.7717/peerj.17473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Accepted: 05/06/2024] [Indexed: 06/04/2024] Open
Abstract
Background Zinc (Zn) is a vital micronutrient essential for plant growth and development. Transporter proteins of the ZRT/IRT-like protein (ZIP) family play crucial roles in maintaining Zn homeostasis. Although the acquisition, translocation, and intracellular transport of Zn are well understood in plant roots and leaves, the genes that regulate these pathways in fruits remain largely unexplored. In this study, we aimed to investigate the function of SlZIP11 in regulating tomato fruit development. Methods We used Solanum lycopersicum L. 'Micro-Tom' SlZIP11 (Solanum lycopersicum) is highly expressed in tomato fruit, particularly in mature green (MG) stages. For obtaining results, we employed reverse transcription-quantitative polymerase chain reaction (RT-qPCR), yeast two-hybrid assay, bimolecular fluorescent complementation, subcellular localization assay, virus-induced gene silencing (VIGS), SlZIP11 overexpression, determination of Zn content, sugar extraction and content determination, and statistical analysis. Results RT-qPCR analysis showed elevated SlZIP11 expression in MG tomato fruits. SlZIP11 expression was inhibited and induced by Zn deficiency and toxicity treatments, respectively. Silencing SlZIP11 via the VIGS technology resulted in a significant increase in the Zn content of tomato fruits. In contrast, overexpression of SlZIP11 led to reduced Zn content in MG fruits. Moreover, both silencing and overexpression of SlZIP11 caused alterations in the fructose and glucose contents of tomato fruits. Additionally, SlSWEEET7a interacted with SlZIP11. The heterodimerization between SlSWEET7a and SlZIP11 affected subcellular targeting, thereby increasing the amount of intracellularly localized oligomeric complexes. Overall, this study elucidates the role of SlZIP11 in mediating Zn accumulation and sugar transport during tomato fruit ripening. These findings underscore the significance of SlZIP11 in regulating Zn levels and sugar content, providing insights into its potential implications for plant physiology and agricultural practices.
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Affiliation(s)
- Jiaqi Sun
- College of Horticulture, Shenyang Agricultural University, Shenyang, Liaoning, China
| | - Manning Wang
- College of Horticulture, Shenyang Agricultural University, Shenyang, Liaoning, China
| | - Xinsheng Zhang
- College of Horticulture, Jilin Agricultural University, Changchun, Jilin, China
| | - Xin Liu
- College of Horticulture, Shenyang Agricultural University, Shenyang, Liaoning, China
- Key Laboratory of Protected Horticulture of Education Ministry, Shenyang, Liaoning, China
| | - Jing Jiang
- College of Horticulture, Shenyang Agricultural University, Shenyang, Liaoning, China
- Key Laboratory of Protected Horticulture of Education Ministry, Shenyang, Liaoning, China
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16
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Lu J, Zhang G, Ma C, Li Y, Jiang C, Wang Y, Zhang B, Wang R, Qiu Y, Ma Y, Jia Y, Jiang CZ, Sun X, Ma N, Jiang Y, Gao J. The F-box protein RhSAF destabilizes the gibberellic acid receptor RhGID1 to mediate ethylene-induced petal senescence in rose. THE PLANT CELL 2024; 36:1736-1754. [PMID: 38315889 PMCID: PMC11062431 DOI: 10.1093/plcell/koae035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 01/12/2024] [Accepted: 01/17/2024] [Indexed: 02/07/2024]
Abstract
Roses are among the most popular ornamental plants cultivated worldwide for their great economic, symbolic, and cultural importance. Nevertheless, rapid petal senescence markedly reduces rose (Rosa hybrida) flower quality and value. Petal senescence is a developmental process tightly regulated by various phytohormones. Ethylene accelerates petal senescence, while gibberellic acid (GA) delays this process. However, the molecular mechanisms underlying the crosstalk between these phytohormones in the regulation of petal senescence remain largely unclear. Here, we identified SENESCENCE-ASSOCIATED F-BOX (RhSAF), an ethylene-induced F-box protein gene encoding a recognition subunit of the SCF-type E3 ligase. We demonstrated that RhSAF promotes degradation of the GA receptor GIBBERELLIN INSENSITIVE DWARF1 (RhGID1) to accelerate petal senescence. Silencing RhSAF expression delays petal senescence, while suppressing RhGID1 expression accelerates petal senescence. RhSAF physically interacts with RhGID1s and targets them for ubiquitin/26S proteasome-mediated degradation. Accordingly, ethylene-induced RhGID1C degradation and RhDELLA3 accumulation are compromised in RhSAF-RNAi lines. Our results demonstrate that ethylene antagonizes GA activity through RhGID1 degradation mediated by the E3 ligase RhSAF. These findings enhance our understanding of the phytohormone crosstalk regulating petal senescence and provide insights for improving flower longevity.
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Affiliation(s)
- Jingyun Lu
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
| | - Guifang Zhang
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
| | - Chao Ma
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
| | - Yao Li
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
| | - Chuyan Jiang
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
| | - Yaru Wang
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
| | - Bingjie Zhang
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
| | - Rui Wang
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
| | - Yuexuan Qiu
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
| | - Yanxing Ma
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
| | - Yangchao Jia
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
| | - Cai-Zhong Jiang
- Crops Pathology and Genetic Research Unit, United States Department of Agriculture, Agricultural Research Service, Davis, CA 95616, USA
- Department of Plant Sciences, University of California at Davis, Davis, CA 95616, USA
| | - Xiaoming Sun
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
| | - Nan Ma
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
| | - Yunhe Jiang
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
| | - Junping Gao
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
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Zou R, Zhou J, Cheng B, Wang G, Fan J, Li X. Aquaporin LjNIP1;5 positively modulates drought tolerance by promoting arbuscular mycorrhizal symbiosis in Lotus japonicus. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2024; 342:112036. [PMID: 38365002 DOI: 10.1016/j.plantsci.2024.112036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 01/21/2024] [Accepted: 02/12/2024] [Indexed: 02/18/2024]
Abstract
Drought stress often affects crop growth and even causes crop death, while aquaporins can maintain osmotic balance by transporting water across membranes, so it is important to study how to improve drought tolerance of crops by using aquaporins. In this work, we characterize a set of subfamily members named NIPs belonging to the family of aquaporins in Lotus japonicus, grouping 14 family members based on the sequence similarity in the aromatic/arginine (Ar/R) region. Among these members, LjNIP1;5 is one of the genes with the highest expression in roots which is induced by the AM fungus. In Lotus japonicus, LjNIP1;5 is highly expressed in symbiotic roots, and its promoter can be induced by drought stress and AM fungus. Root colonization analysis reveals that ljnip1:5 mutant exhibits lower mycorrhizal colonization than the wild type, with increasing the proportion of large arbuscule, and fewer arbuscule produced by symbiosis under drought stress. In the LjNIP1;5OE plant, we detected a strong antioxidant capacity compared to the control, and LjNIP1;5OE showed higher stem length under drought stress. Taken together, the current results facilitate our comprehensive understanding of the plant adaptive to drought stress with the coordination of the specific fungi.
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Affiliation(s)
- Ruifan Zou
- School of Life Sciences, Anhui Agricultural University, Hefei 230036, China; National Engineering Laboratory of Crop Stress Resistance Breeding, Anhui Agricultural University, Hefei 230036, China; Key Laboratory of Crop Stress Resistance and High Quality Biology of Anhui Province, Anhui Agricultural University, Hefei 230036, China
| | - Jing Zhou
- School of Life Sciences, Anhui Agricultural University, Hefei 230036, China; National Engineering Laboratory of Crop Stress Resistance Breeding, Anhui Agricultural University, Hefei 230036, China; Key Laboratory of Crop Stress Resistance and High Quality Biology of Anhui Province, Anhui Agricultural University, Hefei 230036, China
| | - Beijiu Cheng
- School of Life Sciences, Anhui Agricultural University, Hefei 230036, China; National Engineering Laboratory of Crop Stress Resistance Breeding, Anhui Agricultural University, Hefei 230036, China; Key Laboratory of Crop Stress Resistance and High Quality Biology of Anhui Province, Anhui Agricultural University, Hefei 230036, China
| | - Guoqing Wang
- School of Life Sciences, Anhui Agricultural University, Hefei 230036, China; National Engineering Laboratory of Crop Stress Resistance Breeding, Anhui Agricultural University, Hefei 230036, China; Key Laboratory of Crop Stress Resistance and High Quality Biology of Anhui Province, Anhui Agricultural University, Hefei 230036, China
| | - Jun Fan
- School of Life Sciences, Anhui Agricultural University, Hefei 230036, China; National Engineering Laboratory of Crop Stress Resistance Breeding, Anhui Agricultural University, Hefei 230036, China; Key Laboratory of Crop Stress Resistance and High Quality Biology of Anhui Province, Anhui Agricultural University, Hefei 230036, China.
| | - Xiaoyu Li
- School of Life Sciences, Anhui Agricultural University, Hefei 230036, China; National Engineering Laboratory of Crop Stress Resistance Breeding, Anhui Agricultural University, Hefei 230036, China; Key Laboratory of Crop Stress Resistance and High Quality Biology of Anhui Province, Anhui Agricultural University, Hefei 230036, China.
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18
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Lv A, Su L, Fan N, Wen W, Gao L, Mo X, You X, Zhou P, An Y. The MsDHN1-MsPIP2;1-MsmMYB module orchestrates the trade-off between growth and survival of alfalfa in response to drought stress. PLANT BIOTECHNOLOGY JOURNAL 2024; 22:1132-1145. [PMID: 38048288 PMCID: PMC11022793 DOI: 10.1111/pbi.14251] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 10/09/2023] [Accepted: 11/13/2023] [Indexed: 12/06/2023]
Abstract
Dehydrins and aquaporins play crucial roles in plant growth and stress responses by acting as protector and controlling water transport across membranes, respectively. MsDHN1 (dehydrin) and MsPIP2;1 (aquaporin) were demonstrated to interact with a membrane-anchored MYB protein, MsmMYB (as mMYB) in plasma membrane under normal condition. MsDHN1, MsPIP2;1 and MsDHN1-MsPIP2;1 positively regulated alfalfa tolerance to water deficiency. Water deficiency caused phosphorylation of MsPIP2;1 at Ser 272, which led to release C terminus of mMYB (mMYBΔ83) from plasma membrane and translocate to nucleus, where C terminus of MsDHN1 interacted with mMYBΔ83, and promoted mMYBΔ83 transcriptional activity in response to water deficiency. Overexpression of mMYB and mMYBΔ83 down-regulated the expression of MsCESA3, but up-regulated MsCESA7 expression by directly binding to their promoters, and resulted in high drought tolerance in transgenic hairy roots. These results indicate that the MsDHN1-MsPIP2;1-MsMYB module serves as a key regulator in alfalfa against drought stress.
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Affiliation(s)
- Aimin Lv
- School of Agriculture and BiologyShanghai Jiao Tong UniversityShanghaiChina
- State Key Laboratory of Subtropical SilvicultureZhejiang A&F UniversityHangzhouChina
| | - Liantai Su
- School of Agriculture and BiologyShanghai Jiao Tong UniversityShanghaiChina
| | - Nana Fan
- College of life scienceYulin UniversityYulinChina
| | - Wuwu Wen
- School of Agriculture and BiologyShanghai Jiao Tong UniversityShanghaiChina
| | - Li Gao
- School of Agriculture and BiologyShanghai Jiao Tong UniversityShanghaiChina
| | - Xin Mo
- School of Agriculture and BiologyShanghai Jiao Tong UniversityShanghaiChina
| | - Xiangkai You
- School of Agriculture and BiologyShanghai Jiao Tong UniversityShanghaiChina
| | - Peng Zhou
- School of Agriculture and BiologyShanghai Jiao Tong UniversityShanghaiChina
| | - Yuan An
- School of Agriculture and BiologyShanghai Jiao Tong UniversityShanghaiChina
- Key Laboratory of Urban AgricultureMinistry of AgricultureShanghaiChina
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19
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Xie N, Shi H, Shang X, Zhao Z, Fang Y, Wu H, Luo P, Cui Y, Chen W. RhMED15a-like, a subunit of the Mediator complex, is involved in the drought stress response in Rosa hybrida. BMC PLANT BIOLOGY 2024; 24:351. [PMID: 38684962 PMCID: PMC11059607 DOI: 10.1186/s12870-024-05059-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Accepted: 04/23/2024] [Indexed: 05/02/2024]
Abstract
BACKGROUND Rose (Rosa hybrida) is a globally recognized ornamental plant whose growth and distribution are strongly limited by drought stress. The role of Mediator, a multiprotein complex crucial for RNA polymerase II-driven transcription, has been elucidated in drought stress responses in plants. However, its physiological function and regulatory mechanism in horticultural crop species remain elusive. RESULTS In this study, we identified a Tail module subunit of Mediator, RhMED15a-like, in rose. Drought stress, as well as treatment with methyl jasmonate (MeJA) and abscisic acid (ABA), significantly suppressed the transcript level of RhMED15a-like. Overexpressing RhMED15a-like markedly bolstered the osmotic stress tolerance of Arabidopsis, as evidenced by increased germination rate, root length, and fresh weight. In contrast, the silencing of RhMED15a-like through virus induced gene silencing in rose resulted in elevated malondialdehyde accumulation, exacerbated leaf wilting, reduced survival rate, and downregulated expression of drought-responsive genes during drought stress. Additionally, using RNA-seq, we identified 972 differentially expressed genes (DEGs) between tobacco rattle virus (TRV)-RhMED15a-like plants and TRV controls. Gene Ontology (GO) analysis revealed that some DEGs were predominantly associated with terms related to the oxidative stress response, such as 'response to reactive oxygen species' and 'peroxisome'. Furthermore, Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment highlighted pathways related to 'plant hormone signal transduction', in which the majority of DEGs in the jasmonate (JA) and ABA signalling pathways were induced in TRV-RhMED15a-like plants. CONCLUSION Our findings underscore the pivotal role of the Mediator subunit RhMED15a-like in the ability of rose to withstand drought stress, probably by controlling the transcript levels of drought-responsive genes and signalling pathway elements of stress-related hormones, providing a solid foundation for future research into the molecular mechanisms underlying drought tolerance in rose.
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Affiliation(s)
- Nanxin Xie
- Collaborative Innovation Center for Efficient and Green Production of Agriculture in Mountainous Areas of Zhejiang Province, Key Laboratory of Quality and Safety Control for Subtropical Fruit and Vegetable, Ministry of Agriculture and Rural Affairs, College of Horticulture Science, Zhejiang A&F University, Hangzhou, 311300, China
| | - Haoyang Shi
- Collaborative Innovation Center for Efficient and Green Production of Agriculture in Mountainous Areas of Zhejiang Province, Key Laboratory of Quality and Safety Control for Subtropical Fruit and Vegetable, Ministry of Agriculture and Rural Affairs, College of Horticulture Science, Zhejiang A&F University, Hangzhou, 311300, China
| | - Xiaoman Shang
- Collaborative Innovation Center for Efficient and Green Production of Agriculture in Mountainous Areas of Zhejiang Province, Key Laboratory of Quality and Safety Control for Subtropical Fruit and Vegetable, Ministry of Agriculture and Rural Affairs, College of Horticulture Science, Zhejiang A&F University, Hangzhou, 311300, China
| | - Zixin Zhao
- Collaborative Innovation Center for Efficient and Green Production of Agriculture in Mountainous Areas of Zhejiang Province, Key Laboratory of Quality and Safety Control for Subtropical Fruit and Vegetable, Ministry of Agriculture and Rural Affairs, College of Horticulture Science, Zhejiang A&F University, Hangzhou, 311300, China
| | - Yan Fang
- Collaborative Innovation Center for Efficient and Green Production of Agriculture in Mountainous Areas of Zhejiang Province, Key Laboratory of Quality and Safety Control for Subtropical Fruit and Vegetable, Ministry of Agriculture and Rural Affairs, College of Horticulture Science, Zhejiang A&F University, Hangzhou, 311300, China
| | - Huimin Wu
- Collaborative Innovation Center for Efficient and Green Production of Agriculture in Mountainous Areas of Zhejiang Province, Key Laboratory of Quality and Safety Control for Subtropical Fruit and Vegetable, Ministry of Agriculture and Rural Affairs, College of Horticulture Science, Zhejiang A&F University, Hangzhou, 311300, China
| | - Ping Luo
- Collaborative Innovation Center for Efficient and Green Production of Agriculture in Mountainous Areas of Zhejiang Province, Key Laboratory of Quality and Safety Control for Subtropical Fruit and Vegetable, Ministry of Agriculture and Rural Affairs, College of Horticulture Science, Zhejiang A&F University, Hangzhou, 311300, China
| | - Yongyi Cui
- Collaborative Innovation Center for Efficient and Green Production of Agriculture in Mountainous Areas of Zhejiang Province, Key Laboratory of Quality and Safety Control for Subtropical Fruit and Vegetable, Ministry of Agriculture and Rural Affairs, College of Horticulture Science, Zhejiang A&F University, Hangzhou, 311300, China
| | - Wen Chen
- Collaborative Innovation Center for Efficient and Green Production of Agriculture in Mountainous Areas of Zhejiang Province, Key Laboratory of Quality and Safety Control for Subtropical Fruit and Vegetable, Ministry of Agriculture and Rural Affairs, College of Horticulture Science, Zhejiang A&F University, Hangzhou, 311300, China.
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20
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Yang S, Xue S, Shan L, Fan S, Sun L, Dong Y, Li S, Gao Y, Qi Y, Yang L, An M, Wang F, Pang J, Zhang W, Weng Y, Liu X, Ren H. The CsTM alters multicellular trichome morphology and enhances resistance against aphid by interacting with CsTIP1;1 in cucumber. J Adv Res 2024:S2090-1232(24)00151-6. [PMID: 38609051 DOI: 10.1016/j.jare.2024.04.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2024] [Revised: 04/09/2024] [Accepted: 04/09/2024] [Indexed: 04/14/2024] Open
Abstract
The multicellular trichomes of cucumber (Cucumis sativus L.) serve as the primary defense barrier against external factors, whose impact extends beyond plant growth and development to include commercial characteristics of fruits. The aphid (Aphis gossypii Glover) is one of prominent pests in cucumber cultivation. However, the relationship between physical properties of trichomes and the aphid resistance at molecular level remains largely unexplored. Here, a spontaneous mutant trichome morphology (tm) was characterized by increased susceptibility towards aphid. Further observations showed the tm exhibited a higher and narrower trichome base, which was significantly distinguishable from that in wild-type (WT). We conducted map-based cloning and identified the candidate, CsTM, encoding a C-lectin receptor-like kinase. The knockout mutant demonstrated the role of CsTM in trichome morphogenesis. The presence of SNP does not regulate the relative expression of CsTM, but diminishes the CsTM abundance of membrane proteins in tm. Interestingly, CsTM was found to interact with CsTIP1;1, which encodes an aquaporin with extensive reports in plant resistance and growth development. The subsequent aphid resistance experiments revealed that both CsTM and CsTIP1;1 regulated the development of trichomes and conferred resistance against aphid by affecting cytoplasmic H2O2 contents. Transcriptome analysis revealed a significant enrichment of genes associated with pathogenesis, calcium binding and cellulose synthase. Overall, our study elucidates an unidentified mechanism that CsTM-CsTIP1;1 alters multicellular trichome morphology and enhances resistance against aphid, thus providing a wholly new perspective for trichome morphogenesis in cucumber.
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Affiliation(s)
- Songlin Yang
- College of Horticulture, China Agricultural University, Beijing 100193, PR China
| | - Shudan Xue
- College of Horticulture, China Agricultural University, Beijing 100193, PR China
| | - Li Shan
- College of Horticulture, China Agricultural University, Beijing 100193, PR China
| | - Shanshan Fan
- College of Horticulture, China Agricultural University, Beijing 100193, PR China
| | - Lei Sun
- College of Horticulture, China Agricultural University, Beijing 100193, PR China
| | - Yuming Dong
- College of Horticulture, China Agricultural University, Beijing 100193, PR China
| | - Sen Li
- College of Horticulture, China Agricultural University, Beijing 100193, PR China
| | - Yiming Gao
- College of Horticulture, China Agricultural University, Beijing 100193, PR China
| | - Yu Qi
- College of Horticulture, China Agricultural University, Beijing 100193, PR China
| | - Lin Yang
- College of Horticulture, China Agricultural University, Beijing 100193, PR China
| | - Menghang An
- College of Horticulture, China Agricultural University, Beijing 100193, PR China
| | - Fang Wang
- College of Horticulture, China Agricultural University, Beijing 100193, PR China
| | - Jin'an Pang
- Tianjin Derit Seeds Co. Ltd, Tianjin 300384, PR China
| | - Wenzhu Zhang
- Tianjin Derit Seeds Co. Ltd, Tianjin 300384, PR China
| | - Yiqun Weng
- USDA‑ARS Vegetable Crops Research Unit, Horticulture Department, University of Wisconsin-Madison, Madison, USA
| | - Xingwang Liu
- College of Horticulture, China Agricultural University, Beijing 100193, PR China.
| | - Huazhong Ren
- College of Horticulture, China Agricultural University, Beijing 100193, PR China.
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21
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Zhao Q, Jing W, Fu X, Yang R, Zhu C, Zhao J, Choisy P, Xu T, Ma N, Zhao L, Gao J, Zhou X, Li Y. TSPO-induced degradation of the ethylene receptor RhETR3 promotes salt tolerance in rose ( Rosa hybrida). HORTICULTURE RESEARCH 2024; 11:uhae040. [PMID: 38623073 PMCID: PMC11017515 DOI: 10.1093/hr/uhae040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Accepted: 01/30/2024] [Indexed: 04/17/2024]
Abstract
The gaseous plant hormone ethylene regulates plant development, growth, and responses to stress. In particular, ethylene affects tolerance to salinity; however, the underlying mechanisms of ethylene signaling and salt tolerance are not fully understood. Here, we demonstrate that salt stress induces the degradation of the ethylene receptor ETHYLENE RESPONSE 3 (RhETR3) in rose (Rosa hybrid). Furthermore, the TspO/MBR (Tryptophan-rich sensory protein/mitochondrial benzodiazepine receptor) domain-containing membrane protein RhTSPO interacted with RhETR3 to promote its degradation in response to salt stress. Salt tolerance is enhanced in RhETR3-silenced rose plants but decreased in RhTSPO-silenced plants. The improved salt tolerance of RhETR3-silenced rose plants is partly due to the increased expression of ACC SYNTHASE1 (ACS1) and ACS2, which results in an increase in ethylene production, leading to the activation of ETHYLENE RESPONSE FACTOR98 (RhERF98) expression and, ultimately accelerating H2O2 scavenging under salinity conditions. Additionally, overexpression of RhETR3 increased the salt sensitivity of rose plants. Co-overexpression with RhTSPO alleviated this sensitivity. Together, our findings suggest that RhETR3 degradation is a key intersection hub for the ethylene signalling-mediated regulation of salt stress.
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Affiliation(s)
- Qingcui Zhao
- School of Food and Drug, Shenzhen Polytechnic, Shenzhen, 518055, Guangdong, China
- Postdoctoral Innovation Practice Base, Shenzhen Polytechnic, Shenzhen, 518055, Guangdong, China
| | - Weikun Jing
- School of Food and Drug, Shenzhen Polytechnic, Shenzhen, 518055, Guangdong, China
- Flower Research Institute of Yunnan Academy of Agricultural Sciences, Kunming, 650205, Yunnan, China
| | - Xijia Fu
- Department of Ornamental Horticulture, Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, China Agricultural University, Beijing 100193, China
| | - Ruoyun Yang
- Department of Ornamental Horticulture, Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, China Agricultural University, Beijing 100193, China
| | - Chunyan Zhu
- Department of Ornamental Horticulture, Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, China Agricultural University, Beijing 100193, China
| | - Jiaxin Zhao
- Department of Ornamental Horticulture, Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, China Agricultural University, Beijing 100193, China
| | | | - Tao Xu
- LVMH Recherche, F-45800 St Jean de Braye, France
| | - Nan Ma
- Department of Ornamental Horticulture, Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, China Agricultural University, Beijing 100193, China
| | - Liangjun Zhao
- Department of Ornamental Horticulture, Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, China Agricultural University, Beijing 100193, China
| | - Junping Gao
- Department of Ornamental Horticulture, Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, China Agricultural University, Beijing 100193, China
| | - Xiaofeng Zhou
- Department of Ornamental Horticulture, Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, China Agricultural University, Beijing 100193, China
| | - Yonghong Li
- School of Food and Drug, Shenzhen Polytechnic, Shenzhen, 518055, Guangdong, China
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22
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Wang Y, Qin M, Zhang G, Lu J, Zhang C, Ma N, Sun X, Gao J. Transcription factor RhRAP2.4L orchestrates cell proliferation and expansion to control petal size in rose. PLANT PHYSIOLOGY 2024; 194:2338-2353. [PMID: 38084893 DOI: 10.1093/plphys/kiad657] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Accepted: 11/09/2023] [Indexed: 04/02/2024]
Abstract
Maintaining proper flower size is vital for plant reproduction and adaption to the environment. Petal size is determined by spatiotemporally regulated cell proliferation and expansion. However, the mechanisms underlying the orchestration of cell proliferation and expansion during petal growth remains elusive. Here, we determined that the transition from cell proliferation to expansion involves a series of distinct and overlapping processes during rose (Rosa hybrida) petal growth. Changes in cytokinin content were associated with the transition from cell proliferation to expansion during petal growth. RNA sequencing identified the AP2/ERF transcription factor gene RELATED TO AP2 4-LIKE (RhRAP2.4L), whose expression pattern positively associated with cytokinin levels during rose petal development. Silencing RhRAP2.4L promoted the transition from cell proliferation to expansion and decreased petal size. RhRAP2.4L regulates cell proliferation by directly repressing the expression of KIP RELATED PROTEIN 2 (RhKRP2), encoding a cell cycle inhibitor. In addition, we also identified BIG PETALub (RhBPEub) as another direct target gene of RhRAP2.4L. Silencing RhBPEub decreased cell size, leading to reduced petal size. Furthermore, the cytokinin signaling protein ARABIDOPSIS RESPONSE REGULATOR 14 (RhARR14) activated RhRAP2.4L expression to inhibit the transition from cell proliferation to expansion, thereby regulating petal size. Our results demonstrate that RhRAP2.4L performs dual functions in orchestrating cell proliferation and expansion during petal growth.
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Affiliation(s)
- Yaru Wang
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
| | - Meizhu Qin
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
| | - Guifang Zhang
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
| | - Jingyun Lu
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
| | - Chengkun Zhang
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
| | - Nan Ma
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
| | - Xiaoming Sun
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
| | - Junping Gao
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
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23
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Yu B, Chao DY, Zhao Y. How plants sense and respond to osmotic stress. JOURNAL OF INTEGRATIVE PLANT BIOLOGY 2024; 66:394-423. [PMID: 38329193 DOI: 10.1111/jipb.13622] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 01/12/2024] [Accepted: 01/18/2024] [Indexed: 02/09/2024]
Abstract
Drought is one of the most serious abiotic stresses to land plants. Plants sense and respond to drought stress to survive under water deficiency. Scientists have studied how plants sense drought stress, or osmotic stress caused by drought, ever since Charles Darwin, and gradually obtained clues about osmotic stress sensing and signaling in plants. Osmotic stress is a physical stimulus that triggers many physiological changes at the cellular level, including changes in turgor, cell wall stiffness and integrity, membrane tension, and cell fluid volume, and plants may sense some of these stimuli and trigger downstream responses. In this review, we emphasized water potential and movements in organisms, compared putative signal inputs in cell wall-containing and cell wall-free organisms, prospected how plants sense changes in turgor, membrane tension, and cell fluid volume under osmotic stress according to advances in plants, animals, yeasts, and bacteria, summarized multilevel biochemical and physiological signal outputs, such as plasma membrane nanodomain formation, membrane water permeability, root hydrotropism, root halotropism, Casparian strip and suberin lamellae, and finally proposed a hypothesis that osmotic stress responses are likely to be a cocktail of signaling mediated by multiple osmosensors. We also discussed the core scientific questions, provided perspective about the future directions in this field, and highlighted the importance of robust and smart root systems and efficient source-sink allocations for generating future high-yield stress-resistant crops and plants.
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Affiliation(s)
- Bo Yu
- Shanghai Center for Plant Stress Biology, CAS Center for Excellence in Molecular Plant Sciences, The Chinese Academy of Sciences, Shanghai, 200032, China
- Key Laboratory of Plant Carbon Capture, The Chinese Academy of Sciences, Shanghai, 200032, China
| | - Dai-Yin Chao
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, The Chinese Academy of Sciences, Shanghai, 200032, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yang Zhao
- Shanghai Center for Plant Stress Biology, CAS Center for Excellence in Molecular Plant Sciences, The Chinese Academy of Sciences, Shanghai, 200032, China
- Key Laboratory of Plant Carbon Capture, The Chinese Academy of Sciences, Shanghai, 200032, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
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Li D, Li X, Wang Z, Wang H, Gao J, Liu X, Zhang Z. Transcription factors RhbZIP17 and RhWRKY30 enhance resistance to Botrytis cinerea by increasing lignin content in rose petals. JOURNAL OF EXPERIMENTAL BOTANY 2024; 75:1633-1646. [PMID: 38180121 DOI: 10.1093/jxb/erad473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Accepted: 01/04/2024] [Indexed: 01/06/2024]
Abstract
The petals of ornamental plants such as roses (Rosa spp.) are the most economically important organs. This delicate, short-lived plant tissue is highly susceptible to pathogens, in large part because the walls of petal cells are typically thinner and more flexible compared with leaf cells, allowing the petals to fold and bend without breaking. The cell wall is a dynamic structure that rapidly alters its composition in response to pathogen infection, thereby reinforcing its stability and boosting plant resistance against diseases. However, little is known about how dynamic changes in the cell wall contribute to resistance to Botrytis cinerea in rose petals. Here, we show that the B. cinerea-induced transcription factor RhbZIP17 is required for the defense response of rose petals. RhbZIP17 is associated with phenylpropanoid biosynthesis and binds to the promoter of the lignin biosynthesis gene RhCAD1, activating its expression. Lignin content showed a significant increase under gray mold infection compared with the control. RhCAD1 functions in the metabolic regulation of lignin production and, consequently, disease resistance, as revealed by transient silencing and overexpression in rose petals. The WRKY transcription factor RhWRKY30 is also required to activate RhCAD1 expression and enhance resistance against B. cinerea. We propose that RhbZIP17 and RhWRKY30 increase lignin biosynthesis, improve the resistance of rose petals to B. cinerea, and regulate RhCAD1 expression.
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Affiliation(s)
- Dandan Li
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, China Agricultural University, Beijing, China
| | - Xiaomei Li
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, China Agricultural University, Beijing, China
| | - Zicheng Wang
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, China Agricultural University, Beijing, China
| | - Haochen Wang
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, China Agricultural University, Beijing, China
| | - Junzhao Gao
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, China Agricultural University, Beijing, China
| | - Xintong Liu
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, China Agricultural University, Beijing, China
| | - Zhao Zhang
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, China Agricultural University, Beijing, China
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25
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Yue C, Cao H, Zhang S, Shen G, Wu Z, Yuan L, Luo L, Zeng L. Multilayer omics landscape analyses reveal the regulatory responses of tea plants to drought stress. Int J Biol Macromol 2023; 253:126582. [PMID: 37652332 DOI: 10.1016/j.ijbiomac.2023.126582] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 08/12/2023] [Accepted: 08/27/2023] [Indexed: 09/02/2023]
Abstract
Adverse environments, especially drought conditions, deeply influence plant development and growth in all aspects, and the yield and quality of tea plants are largely dependent on favorable growth conditions. Although tea plant responses to drought stress (DS) have been studied, a comprehensive multilayer epigenetic, transcriptomic, and proteomic investigation of how tea responds to DS is lacking. In this study, we generated DNA methylome, transcriptome, proteome, and phosphoproteome data to explore multiple regulatory landscapes in the tea plant response to DS. An integrated multiomics analysis revealed the response of tea plants to DS at multiple regulatory levels. Furthermore, a set of DS-responsive genes involved in photosynthesis, transmembrane transportation, phytohormone metabolism and signaling, secondary metabolite pathways, transcription factors, protein kinases, posttranslational and epigenetic modification, and other key stress-responsive genes were identified for further functional investigation. These results reveal the multilayer regulatory landscape of the tea plant response to DS and provide insight into the mechanisms of these DS responses.
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Affiliation(s)
- Chuan Yue
- Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City/College of Food Science, Southwest University, Chongqing, China.
| | - Hongli Cao
- Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City/College of Food Science, Southwest University, Chongqing, China
| | - Shaorong Zhang
- Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City/College of Food Science, Southwest University, Chongqing, China
| | - Gaojian Shen
- Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City/College of Food Science, Southwest University, Chongqing, China
| | - Zhijun Wu
- Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City/College of Food Science, Southwest University, Chongqing, China
| | - Lianyu Yuan
- Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City/College of Food Science, Southwest University, Chongqing, China
| | - Liyong Luo
- Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City/College of Food Science, Southwest University, Chongqing, China
| | - Liang Zeng
- Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City/College of Food Science, Southwest University, Chongqing, China.
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26
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Zeng Q, Jia H, Ma Y, Xu L, Ming R, Yue J. Genome-Wide Identification and Expression Pattern Profiling of the Aquaporin Gene Family in Papaya ( Carica papaya L.). Int J Mol Sci 2023; 24:17276. [PMID: 38139107 PMCID: PMC10744249 DOI: 10.3390/ijms242417276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 12/02/2023] [Accepted: 12/06/2023] [Indexed: 12/24/2023] Open
Abstract
Aquaporins (AQPs) are mainly responsible for the transportation of water and other small molecules such as CO2 and H2O2, and they perform diverse functions in plant growth, in development, and under stress conditions. They are also active participants in cell signal transduction in plants. However, little is known about AQP diversity, biological functions, and protein characteristics in papaya. To better understand the structure and function of CpAQPs in papaya, a total of 29 CpAQPs were identified and classified into five subfamilies. Analysis of gene structure and conserved motifs revealed that CpAQPs exhibited a degree of conservation, with some differentiation among subfamilies. The predicted interaction network showed that the PIP subfamily had the strongest protein interactions within the subfamily, while the SIP subfamily showed extensive interaction with members of the PIP, TIP, NIP, and XIP subfamilies. Furthermore, the analysis of CpAQPs' promoters revealed a large number of cis-elements participating in light, hormone, and stress responses. CpAQPs exhibited different expression patterns in various tissues and under different stress conditions. Collectively, these results provided a foundation for further functional investigations of CpAQPs in ripening, as well as leaf, flower, fruit, and seed development. They also shed light on the potential roles of CpAQP genes in response to environmental factors, offering valuable insights into their biological functions in papaya.
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Affiliation(s)
- Qiuxia Zeng
- Center for Genomics and Biotechnology, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (Q.Z.); (H.J.); (Y.M.); (L.X.)
- College of Agriculture, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Haifeng Jia
- Center for Genomics and Biotechnology, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (Q.Z.); (H.J.); (Y.M.); (L.X.)
- College of Agriculture, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Yaying Ma
- Center for Genomics and Biotechnology, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (Q.Z.); (H.J.); (Y.M.); (L.X.)
- College of Agriculture, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Liangwei Xu
- Center for Genomics and Biotechnology, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (Q.Z.); (H.J.); (Y.M.); (L.X.)
- College of Life Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Ray Ming
- Center for Genomics and Biotechnology, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (Q.Z.); (H.J.); (Y.M.); (L.X.)
| | - Jingjing Yue
- Center for Genomics and Biotechnology, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (Q.Z.); (H.J.); (Y.M.); (L.X.)
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27
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Zhang X, Ma Y, Lai D, He M, Zhang X, Zhang W, Ji M, Zhu Y, Wang Y, Liu L, Xu L. RsPDR8, a member of ABCG subfamily, plays a positive role in regulating cadmium efflux and tolerance in radish (Raphanus sativus L.). PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2023; 205:108149. [PMID: 37939545 DOI: 10.1016/j.plaphy.2023.108149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 10/16/2023] [Accepted: 10/27/2023] [Indexed: 11/10/2023]
Abstract
Radish (Raphanus sativus L.) is one of the most vital root vegetable crops worldwide. Cadmium (Cd), a non-essential and toxic heavy metal, can dramatically restrict radish taproot quality and safety. Although the Peiotrpic Drug Resistance (PDR) genes play crucial roles in heavy metal accumulation and transport in plants, the systematic identification and functional characterization of RsPDRs remain largely unexplored in radish. Herein, a total of 19 RsPDR genes were identified from the radish genome. A few RsPDRs, including RsPDR1, RsPDR8 and RsPDR12, showed significant differential expression under Cd and lead (Pb) stress in the 'NAU-YH' genotype. Interestingly, the plasma membrane-localized RsPDR8 exhibited significantly up-regulated expression and enhanced promoter activity under Cd exposure. Ectopic expression of RsPDR8 conferred Cd tolerance via reducing Cd accumulation in yeast cells. Moreover, the transient transformation of RsPDR8 revealed that it positively regulated Cd tolerance by promoting ROS scavenging and enhancing membrane permeability in radish. In addition, overexpression of RsPDR8 increased root elongation but deceased Cd accumulation compared with the WT plants in Arabidopsis, demonstrating that it could play a positive role in mediating Cd efflux and tolerance in plants. Together, these results would facilitate deciphering the molecular mechanism underlying RsPDR8-mediated Cd tolerance and detoxification in radish.
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Affiliation(s)
- Xinyu Zhang
- National Key Laboratory of Crop Genetics & Germplasm Enhancement and Utilization, Key Laboratory of Horticultural Crop Biology and Genetic Improvement (East China) of MOAR, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, PR China
| | - Yingfei Ma
- National Key Laboratory of Crop Genetics & Germplasm Enhancement and Utilization, Key Laboratory of Horticultural Crop Biology and Genetic Improvement (East China) of MOAR, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, PR China
| | - Deqiang Lai
- Cangzhou Academy of Agriculture and Forestry Sciences, Cangzhou, 061001, PR China
| | - Min He
- National Key Laboratory of Crop Genetics & Germplasm Enhancement and Utilization, Key Laboratory of Horticultural Crop Biology and Genetic Improvement (East China) of MOAR, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, PR China
| | - Xiaoli Zhang
- National Key Laboratory of Crop Genetics & Germplasm Enhancement and Utilization, Key Laboratory of Horticultural Crop Biology and Genetic Improvement (East China) of MOAR, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, PR China
| | - Weilan Zhang
- National Key Laboratory of Crop Genetics & Germplasm Enhancement and Utilization, Key Laboratory of Horticultural Crop Biology and Genetic Improvement (East China) of MOAR, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, PR China
| | - Mingmei Ji
- Cangzhou Academy of Agriculture and Forestry Sciences, Cangzhou, 061001, PR China
| | - Yuelin Zhu
- National Key Laboratory of Crop Genetics & Germplasm Enhancement and Utilization, Key Laboratory of Horticultural Crop Biology and Genetic Improvement (East China) of MOAR, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, PR China
| | - Yan Wang
- National Key Laboratory of Crop Genetics & Germplasm Enhancement and Utilization, Key Laboratory of Horticultural Crop Biology and Genetic Improvement (East China) of MOAR, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, PR China
| | - Liwang Liu
- National Key Laboratory of Crop Genetics & Germplasm Enhancement and Utilization, Key Laboratory of Horticultural Crop Biology and Genetic Improvement (East China) of MOAR, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, PR China; College of Horticulture and Landscape Architecture, Yangzhou University, Yangzhou, 225009, PR China
| | - Liang Xu
- National Key Laboratory of Crop Genetics & Germplasm Enhancement and Utilization, Key Laboratory of Horticultural Crop Biology and Genetic Improvement (East China) of MOAR, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, PR China.
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28
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Jing W, Gong F, Liu G, Deng Y, Liu J, Yang W, Sun X, Li Y, Gao J, Zhou X, Ma N. Petal size is controlled by the MYB73/TPL/HDA19-miR159-CKX6 module regulating cytokinin catabolism in Rosa hybrida. Nat Commun 2023; 14:7106. [PMID: 37925502 PMCID: PMC10625627 DOI: 10.1038/s41467-023-42914-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Accepted: 10/25/2023] [Indexed: 11/06/2023] Open
Abstract
The size of plant lateral organs is determined by well-coordinated cell proliferation and cell expansion. Here, we report that miR159, an evolutionarily conserved microRNA, plays an essential role in regulating cell division in rose (Rosa hybrida) petals by modulating cytokinin catabolism. We uncover that Cytokinin Oxidase/Dehydrogenase6 (CKX6) is a target of miR159 in petals. Knocking down miR159 levels results in the accumulation of CKX6 transcripts and earlier cytokinin clearance, leading to a shortened cell division period and smaller petals. Conversely, knocking down CKX6 causes cytokinin accumulation and a prolonged developmental cell division period, mimicking the effects of exogenous cytokinin application. MYB73, a R2R3-type MYB transcription repressor, recruits a co-repressor (TOPLESS) and a histone deacetylase (HDA19) to form a suppression complex, which regulates MIR159 expression by modulating histone H3 lysine 9 acetylation levels at the MIR159 promoter. Our work sheds light on mechanisms for ensuring the correct timing of the exit from the cell division phase and thus organ size regulation by controlling cytokinin catabolism.
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Affiliation(s)
- Weikun Jing
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China
- Flower Research Institute of Yunnan Academy of Agricultural Sciences, Kunming, Yunnan, 650205, China
- School of Food and Medicine, Shenzhen Polytechnic, Shenzhen, Guangdong, 518055, China
| | - Feifei Gong
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China
| | - Guoqin Liu
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China
- College of Agronomy, Henan Agricultural University, Zhengzhou, 450002, China
| | - Yinglong Deng
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China
| | - Jiaqi Liu
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China
| | - Wenjing Yang
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China
| | - Xiaoming Sun
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China
| | - Yonghong Li
- School of Food and Medicine, Shenzhen Polytechnic, Shenzhen, Guangdong, 518055, China
| | - Junping Gao
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China
| | - Xiaofeng Zhou
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China.
| | - Nan Ma
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China.
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Shi J, Zhang F, Wang Y, Zhang S, Wang F, Ma Y. The cytochrome P450 gene, MdCYP716B1, is involved in regulating plant growth and anthracnose resistance in apple. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2023; 335:111832. [PMID: 37586420 DOI: 10.1016/j.plantsci.2023.111832] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 07/21/2023] [Accepted: 08/13/2023] [Indexed: 08/18/2023]
Abstract
Apple is one of the main cultivated fruit trees worldwide. Both biotic and abiotic stresses, especially fungal diseases, have serious effects on the growth and fruit quality of apples. Cytochrome P450, the largest protein family in plants, is critical for plant growth and stress responses. However, the function of apple P450 remains poorly understood. In our previous study, 'Hanfu' autotetraploid showed dwarfism and fungal resistance phenotypes compared to 'Hanfu' diploid. Digital gene expression sequencing analysis revealed that the transcript level of MdCYP716B1 was significantly downregulated in the autotetraploid apple cultivar 'Hanfu'. In this study, we identified and cloned the MdCYP716B1 gene from 'Hanfu' apples. The MdCYP716B1 protein fused to a green fluorescent protein was localized in the cytoplasm. We constructed the plant overexpression vector and RNAi vector of MdCYP716B1, and the apple 'GL-3' was transformed by Agrobacterium-mediated transformation to obtain transgenic plants. Overexpressing and RNAi silencing transgenic plants exhibited an increase and decrease in plant height to 'GL-3', respectively. RNAi silencing transgenic plants displayed increased resistance to Colletotrichum gloeosporioides, whereas overexpression transgenic plants were more sensitive to C. gloeosporioides. According to transcriptome analysis, the transcript levels of gibberellin biosynthesis genes were upregulated in MdCYP716B1-overexpression plants. In contrast with 'GL-3', GA3 accumulation was rose in MdCYP716B1-OE lines and impaired in MdCYP716B1-RNAi lines. Collectively, our data indicate that MdCYP716B1 regulates plant growth and resistance to fungal stress.
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Affiliation(s)
- Jiajun Shi
- College of Horticulture, Shenyang Agricultural University, Shenyang 110866, PR China
| | - Feng Zhang
- State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, PR China
| | - Yangshu Wang
- College of Horticulture, Shenyang Agricultural University, Shenyang 110866, PR China
| | - Shuyuan Zhang
- College of Horticulture, Shenyang Agricultural University, Shenyang 110866, PR China
| | - Feng Wang
- College of Plant Protection, Shenyang Agricultural University, Shenyang 110866, PR China.
| | - Yue Ma
- College of Horticulture, Shenyang Agricultural University, Shenyang 110866, PR China.
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30
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Chen C, Ma Y, Zuo L, Xiao Y, Jiang Y, Gao J. The CALCINEURIN B-LIKE 4/CBL-INTERACTING PROTEIN 3 module degrades repressor JAZ5 during rose petal senescence. PLANT PHYSIOLOGY 2023; 193:1605-1620. [PMID: 37403193 PMCID: PMC10517193 DOI: 10.1093/plphys/kiad365] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 05/25/2023] [Accepted: 05/30/2023] [Indexed: 07/06/2023]
Abstract
Flower senescence is genetically regulated and developmentally controlled. The phytohormone ethylene induces flower senescence in rose (Rosa hybrida), but the underlying signaling network is not well understood. Given that calcium regulates senescence in animals and plants, we explored the role of calcium in petal senescence. Here, we report that the expression of calcineurin B-like protein 4 (RhCBL4), which encodes a calcium receptor, is induced by senescence and ethylene signaling in rose petals. RhCBL4 interacts with CBL-interacting protein kinase 3 (RhCIPK3), and both positively regulate petal senescence. Furthermore, we determined that RhCIPK3 interacts with the jasmonic acid response repressor jasmonate ZIM-domain 5 (RhJAZ5). RhCIPK3 phosphorylates RhJAZ5 and promotes its degradation in the presence of ethylene. Our results reveal that the RhCBL4-RhCIPK3-RhJAZ5 module mediates ethylene-regulated petal senescence. These findings provide insights into flower senescence, which may facilitate innovations in postharvest technology for extending rose flower longevity.
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Affiliation(s)
- Changxi Chen
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
| | - Yanxing Ma
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
| | - Lanxin Zuo
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
| | - Yue Xiao
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
| | - Yunhe Jiang
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
| | - Junping Gao
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
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Wang J, Xue L, Zhang X, Hou Y, Zheng K, Fu D, Dong W. A New Function of MbIAA19 Identified to Modulate Malus Plants Dwarfing Growth. PLANTS (BASEL, SWITZERLAND) 2023; 12:3097. [PMID: 37687343 PMCID: PMC10490418 DOI: 10.3390/plants12173097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 08/05/2023] [Accepted: 08/21/2023] [Indexed: 09/10/2023]
Abstract
The primary determinants of apple (Malus) tree architecture include plant height and internode length, which are the significant criteria for evaluating apple dwarf rootstocks. Plant height and internode length are predominantly governed by phytohormones. In this study, we aimed to assess the mechanisms underlying dwarfism in a mutant of Malus baccata. M. baccata dwarf mutant (Dwf) was previously obtained through natural mutation. It has considerably reduced plant height and internode length. A comparative transcriptome analysis of wild-type (WT) and Dwf mutant was performed to identify and annotate the differentially expressed genes responsible for the Dwf phenotype using RNA-seq and GO and KEGG pathway enrichment analyses. Multiple DEGs involved in hormone signaling pathways, particularly auxin signaling pathways, were identified. Moreover, the levels of endogenous indole-3-acetic acid (IAA) were lower in Dwf mutant than in WT. The Aux/IAA transcription factor gene MbIAA19 was downregulated in Dwf mutant due to a single nucleotide sequence change in its promoter. Genetic transformation assay demonstrated strong association between MbIAA19 and the dwarf phenotype. RNAi-IAA19 lines clearly exhibited reduced plant height, internode length, and endogenous IAA levels. Our study revealed that MbIAA19 plays a role in the regulation of dwarfism and endogenous IAA levels in M. baccata.
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Affiliation(s)
| | | | | | | | | | | | - Wenxuan Dong
- College of Horticulture, Shenyang Agricultural University, Shenyang 110866, China; (J.W.); (L.X.); (X.Z.); (Y.H.); (K.Z.); (D.F.)
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32
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Chen C, Hussain N, Ma Y, Zuo L, Jiang Y, Sun X, Gao J. The ARF2-MYB6 module mediates auxin-regulated petal expansion in rose. JOURNAL OF EXPERIMENTAL BOTANY 2023; 74:4489-4502. [PMID: 37158672 DOI: 10.1093/jxb/erad173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Accepted: 05/06/2023] [Indexed: 05/10/2023]
Abstract
In cut rose (Rosa hybrida), the flower-opening process is closely associated with vase life. Auxin induces the expression of transcription factor genes that function in petal growth via cell expansion. However, the molecular mechanisms underlying the auxin effect during flower opening are not well understood. Here, we identified the auxin-inducible transcription factor gene RhMYB6, whose expression level is high during the early stages of flower opening. Silencing of RhMYB6 delayed flower opening by controlling petal cell expansion through down-regulation of cell expansion-related genes. Furthermore, we demonstrated that the auxin response factor RhARF2 directly interacts with the promoter of RhMYB6 and represses its transcription. Silencing of RhARF2 resulted in larger petal size and delayed petal movement. We also showed that the expression of genes related to ethylene and petal movement showed substantial differences in RhARF2-silenced petals. Our results indicate that auxin-regulated RhARF2 is a critical player that controls flower opening by governing RhMYB6 expression and mediating the crosstalk between auxin and ethylene signaling.
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Affiliation(s)
- Changxi Chen
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China
| | - Nisar Hussain
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China
| | - Yanxing Ma
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China
| | - Lanxin Zuo
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China
| | - Yunhe Jiang
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China
| | - Xiaoming Sun
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China
| | - Junping Gao
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China
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Byrt CS, Zhang RY, Magrath I, Chan KX, De Rosa A, McGaughey S. Exploring aquaporin functions during changes in leaf water potential. FRONTIERS IN PLANT SCIENCE 2023; 14:1213454. [PMID: 37615024 PMCID: PMC10442719 DOI: 10.3389/fpls.2023.1213454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Accepted: 07/04/2023] [Indexed: 08/25/2023]
Abstract
Maintenance of optimal leaf tissue humidity is important for plant productivity and food security. Leaf humidity is influenced by soil and atmospheric water availability, by transpiration and by the coordination of water flux across cell membranes throughout the plant. Flux of water and solutes across plant cell membranes is influenced by the function of aquaporin proteins. Plants have numerous aquaporin proteins required for a multitude of physiological roles in various plant tissues and the membrane flux contribution of each aquaporin can be regulated by changes in protein abundance, gating, localisation, post-translational modifications, protein:protein interactions and aquaporin stoichiometry. Resolving which aquaporins are candidates for influencing leaf humidity and determining how their regulation impacts changes in leaf cell solute flux and leaf cavity humidity is challenging. This challenge involves resolving the dynamics of the cell membrane aquaporin abundance, aquaporin sub-cellular localisation and location-specific post-translational regulation of aquaporins in membranes of leaf cells during plant responses to changes in water availability and determining the influence of cell signalling on aquaporin permeability to a range of relevant solutes, as well as determining aquaporin influence on cell signalling. Here we review recent developments, current challenges and suggest open opportunities for assessing the role of aquaporins in leaf substomatal cavity humidity regulation.
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Yu R, Xiong Z, Zhu X, Feng P, Hu Z, Fang R, Zhang Y, Liu Q. RcSPL1-RcTAF15b regulates the flowering time of rose ( Rosa chinensis). HORTICULTURE RESEARCH 2023; 10:uhad083. [PMID: 37323236 PMCID: PMC10266950 DOI: 10.1093/hr/uhad083] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Accepted: 04/18/2023] [Indexed: 06/17/2023]
Abstract
Rose (Rosa chinensis), which is an economically valuable floral species worldwide, has three types, namely once-flowering (OF), occasional or re-blooming (OR), and recurrent or continuous flowering (CF). However, the mechanism underlying the effect of the age pathway on the duration of the CF or OF juvenile phase is largely unknown. In this study, we observed that the RcSPL1 transcript levels were substantially upregulated during the floral development period in CF and OF plants. Additionally, accumulation of RcSPL1 protein was controlled by rch-miR156. The ectopic expression of RcSPL1 in Arabidopsis thaliana accelerated the vegetative phase transition and flowering. Furthermore, the transient overexpression of RcSPL1 in rose plants accelerated flowering, whereas silencing of RcSPL1 had the opposite phenotype. Accordingly, the transcription levels of floral meristem identity genes (APETALA1, FRUITFULL, and LEAFY) were significantly affected by the changes in RcSPL1 expression. RcTAF15b protein, which is an autonomous pathway protein, was revealed to interact with RcSPL1. The silencing and overexpression of RcTAF15b in rose plants led to delayed and accelerated flowering, respectively. Collectively, the study findings imply that RcSPL1-RcTAF15b modulates the flowering time of rose plants.
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Affiliation(s)
- Rui Yu
- Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
| | - Zhiying Xiong
- Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
| | - Xinhui Zhu
- Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
| | - Panpan Feng
- Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
| | - Ziyi Hu
- Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
| | - Rongxiang Fang
- National Key Laboratory of Plant Genomics, Institute of Microbiology, Chinese Academy of Sciences, and National Plant Gene Research Center, Beijing 100101, China
- University of Chinese Academy of Sciences, Beijing 101408, China
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Jiang L, Liu K, Zhang T, Chen J, Zhao S, Cui Y, Zhou W, Yu Y, Chen S, Wang C, Zhang C. The RhWRKY33a-RhPLATZ9 regulatory module delays petal senescence by suppressing rapid reactive oxygen species accumulation in rose flowers. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2023; 114:1425-1442. [PMID: 36951178 DOI: 10.1111/tpj.16202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 02/12/2023] [Accepted: 03/10/2023] [Indexed: 06/17/2023]
Abstract
Redox homeostasis in plant cells is critical for maintaining normal growth and development because reactive oxygen species (ROS) can function as signaling molecules or toxic compounds. However, how plants fine-tune redox homeostasis during natural or stress-induced senescence remains unclear. Cut roses (Rosa hybrida), an economically important ornamental product worldwide, often undergo stress-induced precocious senescence at the post-harvest bud stage. Here, we identified RhPLATZ9, an age- and dehydration-induced PLATZ (plant AT-rich sequence and zinc-binding) protein, and determined that it functions as a transcriptional repressor in rose flowers during senescence. We also showed that RhWRKY33a regulates RhPLATZ9 expression during flower senescence. RhPLATZ9-silenced flowers and RhWRKY33a-silenced flowers showed accelerated senescence, with higher ROS contents than the control. By contrast, overexpression of RhWRKY33a or RhPLATZ9 delayed flower senescence, and overexpression in rose calli showed lower ROS accumulation than the control. RNA-sequencing analysis revealed that apoplastic NADPH oxidase genes (RhRbohs) were enriched among the upregulated differentially expressed genes in RhPLATZ9-silenced flowers compared to wild-type flowers. Yeast one-hybrid assays, electrophoretic mobility shift assays, dual luciferase assays and chromatin immunoprecipitation quantitative PCR confirmed that the RhRbohD gene is a direct target of RhPLATZ9. These findings suggest that the RhWRKY33a-RhPLATZ9-RhRbohD regulatory module acts as a brake to help maintain ROS homeostasis in petals and thus antagonize age- and stress-induced precocious senescence in rose flowers.
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Affiliation(s)
- Liwei Jiang
- Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China
| | - Kun Liu
- Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China
| | - Tao Zhang
- Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China
| | - Jin Chen
- Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China
| | - Siqi Zhao
- Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China
| | - Yusen Cui
- Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China
| | - Wentong Zhou
- Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China
| | - Yi Yu
- Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China
| | - Siyu Chen
- Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China
| | - Caiyuan Wang
- Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China
| | - Changqing Zhang
- Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China
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Liu J, Liu J, Deng L, Liu H, Liu H, Zhao W, Zhao Y, Sun X, Fan S, Wang H, Hua W. An intrinsically disordered region-containing protein mitigates the drought-growth trade-off to boost yields. PLANT PHYSIOLOGY 2023; 192:274-292. [PMID: 36746783 PMCID: PMC10152686 DOI: 10.1093/plphys/kiad074] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Revised: 12/16/2022] [Accepted: 01/16/2023] [Indexed: 05/03/2023]
Abstract
Drought stress poses a serious threat to global agricultural productivity and food security. Plant resistance to drought is typically accompanied by a growth deficit and yield penalty. Herein, we report a previously uncharacterized, dicotyledon-specific gene, Stress and Growth Interconnector (SGI), that promotes growth during drought in the oil crop rapeseed (Brassica napus) and the model plant Arabidopsis (Arabidopsis thaliana). Overexpression of SGI conferred enhanced biomass and yield under water-deficient conditions, whereas corresponding CRISPR SGI mutants exhibited the opposite effects. These attributes were achieved by mediating reactive oxygen species (ROS) homeostasis while maintaining photosynthetic efficiency to increase plant fitness under water-limiting environments. Further spatial-temporal transcriptome profiling revealed dynamic reprogramming of pathways for photosynthesis and stress responses during drought and the subsequent recovery. Mechanistically, SGI represents an intrinsically disordered region-containing protein that interacts with itself, catalase isoforms, dehydrins, and other drought-responsive positive factors, restraining ROS generation. These multifaceted interactions stabilize catalases in response to drought and facilitate their ROS-scavenging activities. Taken altogether, these findings provide insights into currently underexplored mechanisms to circumvent trade-offs between plant growth and stress tolerance that will inform strategies to breed climate-resilient, higher yielding crops for sustainable agriculture.
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Affiliation(s)
- Jun Liu
- Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs, Wuhan 430062, China
| | - Jing Liu
- Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs, Wuhan 430062, China
- Hubei Hongshan Laboratory, Wuhan 430070, China
| | - Linbin Deng
- Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs, Wuhan 430062, China
| | - Hongmei Liu
- Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs, Wuhan 430062, China
| | - Hongfang Liu
- Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs, Wuhan 430062, China
| | - Wei Zhao
- Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs, Wuhan 430062, China
| | - Yuwei Zhao
- Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs, Wuhan 430062, China
| | - Xingchao Sun
- Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs, Wuhan 430062, China
| | - Shihang Fan
- Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs, Wuhan 430062, China
| | - Hanzhong Wang
- Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs, Wuhan 430062, China
| | - Wei Hua
- Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs, Wuhan 430062, China
- Hubei Hongshan Laboratory, Wuhan 430070, China
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Gao L, Niu D, Chi T, Yuan Y, Liu C, Gai S, Zhang Y. PsRGL1 negatively regulates chilling- and gibberellin-induced dormancy release by PsF-box1-mediated targeting for proteolytic degradation in tree peony. HORTICULTURE RESEARCH 2023; 10:uhad044. [PMID: 37786434 PMCID: PMC10541556 DOI: 10.1093/hr/uhad044] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Accepted: 03/05/2023] [Indexed: 10/04/2023]
Abstract
Tree peony bud endodormancy is a common survival strategy similar to many perennial woody plants in winter, and the activation of the GA signaling pathway is the key to breaking endodormancy. GA signal transduction is involved in many physiological processes. Although the GA-GID1-DELLA regulatory module is conserved in many plants, it has a set of specific components that add complexity to the GA response mechanism. DELLA proteins are key switches in GA signaling. Therefore, there is an urgent need to identify the key DELLA proteins involved in tree peony bud dormancy release. In this study, the prolonged chilling increased the content of endogenously active gibberellins. PsRGL1 among three DELLA proteins was significantly downregulated during chilling- and exogenous GA3-induced bud dormancy release by cell-free degradation assay, and a high level of polyubiquitination was detected. Silencing PsRGL1 accelerated bud dormancy release by increasing the expression of the genes associated with dormancy release, including PsCYCD, PsEBB1, PsEBB3, PsBG6, and PsBG9. Three F-box protein family members responded to chilling and GA3 treatments, resulting in PsF-box1 induction. Yeast two-hybrid and BiFC assays indicated that only PsF-box1 could bind to PsRGL1, and the binding site was in the C-terminal domain. PsF-box1 overexpression promoted dormancy release and upregulated the expression of the dormancy-related genes. In addition, yeast two-hybrid and pull-down assays showed that PsF-box1 also interacted with PsSKP1 to form an E3 ubiquitin ligase. These findings enriched the molecular mechanism of the GA signaling pathway during dormancy release, and enhanced the understanding of tree peony bud endodormancy.
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Affiliation(s)
- Linqiang Gao
- College of Life Sciences, Qingdao Agricultural University, Qingdao 266109, China
- University Key Laboratory of Plant Biotechnology in Shandong Province, Qingdao 266109, China
| | - Demei Niu
- College of Life Sciences, Qingdao Agricultural University, Qingdao 266109, China
- University Key Laboratory of Plant Biotechnology in Shandong Province, Qingdao 266109, China
| | - Tianyu Chi
- College of Life Sciences, Qingdao Agricultural University, Qingdao 266109, China
- University Key Laboratory of Plant Biotechnology in Shandong Province, Qingdao 266109, China
| | - Yanchao Yuan
- College of Life Sciences, Qingdao Agricultural University, Qingdao 266109, China
- University Key Laboratory of Plant Biotechnology in Shandong Province, Qingdao 266109, China
| | - Chunying Liu
- College of Life Sciences, Qingdao Agricultural University, Qingdao 266109, China
- University Key Laboratory of Plant Biotechnology in Shandong Province, Qingdao 266109, China
| | - Shupeng Gai
- College of Life Sciences, Qingdao Agricultural University, Qingdao 266109, China
- University Key Laboratory of Plant Biotechnology in Shandong Province, Qingdao 266109, China
| | - Yuxi Zhang
- College of Life Sciences, Qingdao Agricultural University, Qingdao 266109, China
- University Key Laboratory of Plant Biotechnology in Shandong Province, Qingdao 266109, China
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38
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Islam F, Khan MSS, Ahmed S, Abdullah M, Hannan F, Chen J. OsLPXC negatively regulates tolerance to cold stress via modulating oxidative stress, antioxidant defense and JA accumulation in rice. Free Radic Biol Med 2023; 199:2-16. [PMID: 36775108 DOI: 10.1016/j.freeradbiomed.2023.02.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 01/28/2023] [Accepted: 02/08/2023] [Indexed: 02/12/2023]
Abstract
Exposure of crops to low temperature (LT) during emerging and reproductive stages influences their growth and development. In this study, we have isolated a cold induced, nucleus-localized lipid A gene from rice named OsLPXC, which encodes a protein of 321 amino acids. Knockout of OsLPXC resulted in enhance sensitivity to LT stress in rice, with increased accumulation of reactive oxygen species (ROS), malondialdehyde and electrolyte leakage, while expression and activities of antioxidant enzymes were significantly suppressed. The accumulation of chlorophyll content and net photosynthetic rate of knockout plants were also decreased compared with WT under LT stress. The functional analysis of differentially expressed genes (DEGs), showed that numerous genes associated with antioxidant defense, photosynthesis, cold signaling were solely expressed and downregulated in oslpxc plants compared with WT under LT. The accumulation of methyl jasmonate (MeJA) in leave and several DEGs related to the jasmonate biosynthesis pathway were significantly downregulated in OsLPXC knockout plants, which showed differential levels of MeJA regulation in WT and knockout plants in response to cold stress. These results indicated that OsLPXC positively regulates cold tolerance in rice via stabilizing the expression and activities of ROS scavenging enzymes, photosynthetic apparatus, cold signaling genes, and jasmonate biosynthesis.
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Affiliation(s)
- Faisal Islam
- International Genome Center, Jiangsu University, Zhenjiang, 212013, China
| | | | - Sulaiman Ahmed
- International Genome Center, Jiangsu University, Zhenjiang, 212013, China
| | - Muhammad Abdullah
- International Genome Center, Jiangsu University, Zhenjiang, 212013, China
| | - Fakhir Hannan
- Department of Agronomy, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Jian Chen
- International Genome Center, Jiangsu University, Zhenjiang, 212013, China.
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39
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Yun-Yao Y, Xi Z, Ming-Zheng H, Zeng-Hui H, Jing W, Nan M, Ping-Sheng L, Xiao-Feng Z. LiMYB108 is involved in floral monoterpene biosynthesis induced by light intensity in Lilium 'Siberia'. PLANT CELL REPORTS 2023; 42:763-773. [PMID: 36810812 DOI: 10.1007/s00299-023-02995-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Accepted: 02/02/2023] [Indexed: 06/18/2023]
Abstract
We find that the MYB family transcription factor, LiMYB108, has a novel function to regulate the floral fragrance affected by light intensity. Floral fragrance determines the commercial value of flowers and is influenced by many environmental factors, especially light intensity. However, the mechanism by which light intensity affects the release of floral fragrance is unclear. Here, we isolated an R2R3-type MYB transcription factor LiMYB108, the expression of which was induced by light intensity and located in the nucleus. Light of 200 and 600 μmol m-1 s-1 significantly increased the expression of LiMYB108, which was consistent with the improving trend of monoterpene synthesis under light. Virus-induced gene silencing (VIGS) of LiMYB108 in Lilium not only significantly inhibited the synthesis of ocimene and linalool, but also decreased the expression of LoTPS1; however, transient overexpression of LiMYB108 exerted opposite effects. Furthermore, yeast one-hybrid assays, dual-luciferase assays, and electrophoretic mobility shift assays (EMSA) demonstrated that LiMYB108 directly activated the expression of LoTPS1 by binding to the MYB binding site (MBS) (CAGTTG). Our findings demonstrate that light intensity triggered the high expression of LiMYB108, and then LiMYB108 as a transcription factor to activate the expression of LoTPS1, thus promoting the synthesis of the ocimene and linalool, which are important components of floral fragrance. These results provide new insights into the effects of light intensity on floral fragrance synthesis.
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Affiliation(s)
- Yang Yun-Yao
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, China Agricultural University, Beijing, 100193, China
| | - Zhang Xi
- Beijing Advanced Innovation Center for Tree Breeding by Molecular Design, College of Landscape Architecture, Beijing University of Agriculture, Beijing, 102206, China
| | - Han Ming-Zheng
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, China Agricultural University, Beijing, 100193, China
| | - Hu Zeng-Hui
- Beijing Advanced Innovation Center for Tree Breeding by Molecular Design, College of Landscape Architecture, Beijing University of Agriculture, Beijing, 102206, China
| | - Wu Jing
- Beijing Advanced Innovation Center for Tree Breeding by Molecular Design, College of Landscape Architecture, Beijing University of Agriculture, Beijing, 102206, China
| | - Ma Nan
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, China Agricultural University, Beijing, 100193, China
| | - Leng Ping-Sheng
- Beijing Advanced Innovation Center for Tree Breeding by Molecular Design, College of Landscape Architecture, Beijing University of Agriculture, Beijing, 102206, China.
| | - Zhou Xiao-Feng
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, China Agricultural University, Beijing, 100193, China.
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40
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Verslues PE, Bailey-Serres J, Brodersen C, Buckley TN, Conti L, Christmann A, Dinneny JR, Grill E, Hayes S, Heckman RW, Hsu PK, Juenger TE, Mas P, Munnik T, Nelissen H, Sack L, Schroeder JI, Testerink C, Tyerman SD, Umezawa T, Wigge PA. Burning questions for a warming and changing world: 15 unknowns in plant abiotic stress. THE PLANT CELL 2023; 35:67-108. [PMID: 36018271 PMCID: PMC9806664 DOI: 10.1093/plcell/koac263] [Citation(s) in RCA: 47] [Impact Index Per Article: 47.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Accepted: 08/21/2022] [Indexed: 05/08/2023]
Abstract
We present unresolved questions in plant abiotic stress biology as posed by 15 research groups with expertise spanning eco-physiology to cell and molecular biology. Common themes of these questions include the need to better understand how plants detect water availability, temperature, salinity, and rising carbon dioxide (CO2) levels; how environmental signals interface with endogenous signaling and development (e.g. circadian clock and flowering time); and how this integrated signaling controls downstream responses (e.g. stomatal regulation, proline metabolism, and growth versus defense balance). The plasma membrane comes up frequently as a site of key signaling and transport events (e.g. mechanosensing and lipid-derived signaling, aquaporins). Adaptation to water extremes and rising CO2 affects hydraulic architecture and transpiration, as well as root and shoot growth and morphology, in ways not fully understood. Environmental adaptation involves tradeoffs that limit ecological distribution and crop resilience in the face of changing and increasingly unpredictable environments. Exploration of plant diversity within and among species can help us know which of these tradeoffs represent fundamental limits and which ones can be circumvented by bringing new trait combinations together. Better defining what constitutes beneficial stress resistance in different contexts and making connections between genes and phenotypes, and between laboratory and field observations, are overarching challenges.
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Affiliation(s)
| | - Julia Bailey-Serres
- Department of Botany and Plant Sciences, Center for Plant Cell Biology, University of California, Riverside, California 92521, USA
| | - Craig Brodersen
- School of the Environment, Yale University, New Haven, Connecticut 06511, USA
| | - Thomas N Buckley
- Department of Plant Sciences, University of California, Davis, California 95616, USA
| | - Lucio Conti
- Department of Biosciences, University of Milan, Milan 20133, Italy
| | - Alexander Christmann
- School of Life Sciences, Technical University Munich, Freising-Weihenstephan 85354, Germany
| | - José R Dinneny
- Department of Biology, Stanford University, Stanford, California 94305, USA
| | - Erwin Grill
- School of Life Sciences, Technical University Munich, Freising-Weihenstephan 85354, Germany
| | - Scott Hayes
- Laboratory of Plant Physiology, Plant Sciences Group, Wageningen University and Research, Wageningen 6708 PB, The Netherlands
| | - Robert W Heckman
- Department of Integrative Biology, University of Texas at Austin, Austin, Texas 78712, USA
| | - Po-Kai Hsu
- Department of Cell and Developmental Biology, School of Biological Sciences, University of California San Diego, La Jolla, California 92093, USA
| | - Thomas E Juenger
- Department of Integrative Biology, University of Texas at Austin, Austin, Texas 78712, USA
| | - Paloma Mas
- Centre for Research in Agricultural Genomics (CRAG), CSIC-IRTA-UAB-UB, Barcelona 08193, Spain
- Consejo Superior de Investigaciones Científicas (CSIC), Barcelona 08028, Spain
| | - Teun Munnik
- Department of Plant Cell Biology, Green Life Sciences Cluster, Swammerdam Institute for Life Sciences, University of Amsterdam, Amsterdam NL-1098XH, The Netherlands
| | - Hilde Nelissen
- Department of Plant Biotechnology and Bioinformatics, Ghent University, Ghent 9052, Belgium
- VIB Center for Plant Systems Biology, Ghent 9052, Belgium
| | - Lawren Sack
- Department of Ecology and Evolutionary Biology, Institute of the Environment and Sustainability, University of California, Los Angeles, California 90095, USA
| | - Julian I Schroeder
- Department of Cell and Developmental Biology, School of Biological Sciences, University of California San Diego, La Jolla, California 92093, USA
| | - Christa Testerink
- Laboratory of Plant Physiology, Plant Sciences Group, Wageningen University and Research, Wageningen 6708 PB, The Netherlands
| | - Stephen D Tyerman
- ARC Center Excellence, Plant Energy Biology, School of Agriculture Food and Wine, University of Adelaide, Adelaide, South Australia 5064, Australia
| | - Taishi Umezawa
- Faculty of Agriculture, Tokyo University of Agriculture and Technology, Tokyo 6708 PB, Japan
| | - Philip A Wigge
- Leibniz-Institut für Gemüse- und Zierpflanzenbau, Großbeeren 14979, Germany
- Institute of Biochemistry and Biology, University of Potsdam, Potsdam 14476, Germany
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41
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Sun X, Wang Y, Yang T, Wang X, Wang H, Wang D, Liu H, Wang X, Zhang G, Wei Z. Establishment of an efficient regeneration and Agrobacterium transformation system in mature embryos of calla lily ( Zantedeschia spp.). Front Genet 2022; 13:1085694. [PMID: 36561313 PMCID: PMC9763309 DOI: 10.3389/fgene.2022.1085694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 11/22/2022] [Indexed: 12/12/2022] Open
Abstract
Calla lily (Zantedeschia spp.) have great aesthetic value due to their spathe-like appearance and richness of coloration. However, embryonic callus regeneration is absent from its current regeneration mechanism. As a result, constructing an adequate and stable genetic transformation system is hampered, severely hindering breeding efforts. In this research, the callus induction effectiveness of calla lily seed embryos of various maturities was evaluated. The findings indicated that mature seed embryos were more suitable for in vitro regeneration. Using orthogonal design experiments, the primary elements influencing in vitro regeneration, such as plant growth regulators, genotypes, and nanoscale materials, which was emergent uses for in vitro regeneration, were investigated. The findings indicated that MS supplemented with 6-BA 2 mg/L and NAA 0.1 mg/L was the optimal medium for callus induction (CIM); the germination medium (GM) was MS supplemented with 6-BA 2 mg/L NAA 0.2 mg/L and 1 mg/L CNTs, and the rooting medium (RM) was MS supplemented with 6-BA 2 mg/L NAA 0.7 mg/L and 2 mg/L CNTs. This allowed us to verify, in principle, that the Agrobacterium tumefaciens-mediated genetic transformation system operates under optimal circumstances using the GUS reporter gene. Here, we developed a seed embryo-based genetic transformation regeneration system, which set the stage for future attempts to create new calla lily varieties.
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Affiliation(s)
- Xuan Sun
- Hebei Key Laboratory of Horticultural Germplasm Excavation and Innovative Utilization, College of Horticultural Science and Technology, Hebei Normal University of Science and Technology, Qinhuangdao, China,Institute of Grassland, Flowers and Ecology, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
| | - Yi Wang
- Institute of Grassland, Flowers and Ecology, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China,College of Horticulture, China Agricultural University, Beijing, China
| | - Tuo Yang
- College of Horticulture, China Agricultural University, Beijing, China
| | - Xue Wang
- Institute of Grassland, Flowers and Ecology, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
| | - Huanxiao Wang
- Hebei Key Laboratory of Horticultural Germplasm Excavation and Innovative Utilization, College of Horticultural Science and Technology, Hebei Normal University of Science and Technology, Qinhuangdao, China,Institute of Grassland, Flowers and Ecology, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
| | - Di Wang
- Hebei Key Laboratory of Horticultural Germplasm Excavation and Innovative Utilization, College of Horticultural Science and Technology, Hebei Normal University of Science and Technology, Qinhuangdao, China,Institute of Grassland, Flowers and Ecology, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
| | - Hongyan Liu
- Hebei Key Laboratory of Horticultural Germplasm Excavation and Innovative Utilization, College of Horticultural Science and Technology, Hebei Normal University of Science and Technology, Qinhuangdao, China,Institute of Grassland, Flowers and Ecology, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
| | - Xian Wang
- Institute of Grassland, Flowers and Ecology, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
| | - Guojun Zhang
- Hebei Key Laboratory of Horticultural Germplasm Excavation and Innovative Utilization, College of Horticultural Science and Technology, Hebei Normal University of Science and Technology, Qinhuangdao, China,Hebei Higher Institute Application Technology Research and Development Center of Horticultural Plant Biological Breeding, Qinhuangdao, China,*Correspondence: Guojun Zhang, ; Zunzheng Wei,
| | - Zunzheng Wei
- Institute of Grassland, Flowers and Ecology, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China,*Correspondence: Guojun Zhang, ; Zunzheng Wei,
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Li K, Li Y, Wang Y, Li Y, He J, Li Y, Du L, Gao Y, Ma N, Gao J, Zhou X. Disruption of transcription factor RhMYB123 causes the transformation of stamen to malformed petal in rose (Rosa hybrida). PLANT CELL REPORTS 2022; 41:2293-2303. [PMID: 35999377 DOI: 10.1007/s00299-022-02921-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 07/25/2022] [Indexed: 06/15/2023]
Abstract
We find that the R2R3 MYB transcription factor RhMYB123 has a novel function to regulate stamen-petal organ specification in rose. Rose is one of the ornamental plants with economic importance worldwide. Malformed flower seriously affects the ornamental value and fertility of rose. However, the regulatory mechanism is largely unknown. In this work, we identified a R2R3 MYB transcription factor RhMYB123 from rose, the expression of which significantly decreased from flower differentiation stage to floral organ development stage. Phylogenetic analysis indicated that it belongs to the same subgroup as MYB123 of Arabidopsis and located in nucleus. In addition, RhMYB123 was confirmed to have transcriptional activation function by dual luciferase assay. Silencing RhMYB123 using Virus-Induced Gene Silencing (VIGS) in rose could increase the number of malformed petaloid stamen. Furthermore, we identified 549 differential expressed genes (DEGs) in TRV-RhMYB123 lines compared to TRV controls by RNA-seq of floral buds (flower differentiation stage). Among of those genes, expression of 3 MADS box family genes related to floral organ development reduced in TRV-RhMYB123 lines, including AGAMOUS (RhAG), AGAMOUS LIKE 15 (RhAGL15), and SHATTERPROOF 1 (RhSHP1). Given, previous studies have shown that auxin plays a crucial role in floral meristem initiation and stamen-petal organ specification. We also found 6 DEGs were involved in auxin signal transduction, of which five were reduced expression in TRV-RhMYB123. Taken together, our findings suggested that RhMYB123 may govern the development of malformed petaloid stamen by regulating the expressions of some MADS box family members and auxin signaling pathway elements.
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Affiliation(s)
- Kun Li
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, China Agricultural University, Beijing, China
| | - Yuqi Li
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, China Agricultural University, Beijing, China
| | - Yi Wang
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, China Agricultural University, Beijing, China
| | - Yonghong Li
- School of Applied Chemistry and Biotechnology, Shenzhen Polytechnic, Shenzhen, China
| | - Junna He
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, China Agricultural University, Beijing, China
| | - Yunju Li
- Yunnan Yuntianhua Modern Agriculture Development Co., Ltd, Kunming, China
| | - Lisi Du
- Yunnan Yuntianhua Modern Agriculture Development Co., Ltd, Kunming, China
| | - Yuerong Gao
- College of Plant Science and Technology, Beijing University of Agriculture, Beijing, China
| | - Nan Ma
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, China Agricultural University, Beijing, China
| | - Junping Gao
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, China Agricultural University, Beijing, China
| | - Xiaofeng Zhou
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, China Agricultural University, Beijing, China.
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43
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Lu K, Chen X, Yao X, An Y, Wang X, Qin L, Li X, Wang Z, Liu S, Sun Z, Zhang L, Chen L, Li B, Liu B, Wang W, Ding X, Yang Y, Zhang M, Zou S, Dong H. Phosphorylation of a wheat aquaporin at two sites enhances both plant growth and defense. MOLECULAR PLANT 2022; 15:1772-1789. [PMID: 36207815 DOI: 10.1016/j.molp.2022.10.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 08/30/2022] [Accepted: 10/05/2022] [Indexed: 06/16/2023]
Abstract
Eukaryotic aquaporins share the characteristic of functional multiplicity in transporting distinct substrates and regulating various processes, but the underlying molecular basis for this is largely unknown. Here, we report that the wheat (Triticum aestivum) aquaporin TaPIP2;10 undergoes phosphorylation to promote photosynthesis and productivity and to confer innate immunity against pathogens and a generalist aphid pest. In response to elevated atmospheric CO2 concentrations, TaPIP2;10 is phosphorylated at the serine residue S280 and thereafter transports CO2 into wheat cells, resulting in enhanced photosynthesis and increased grain yield. In response to apoplastic H2O2 induced by pathogen or insect attacks, TaPIP2;10 is phosphorylated at S121 and this phosphorylated form transports H2O2 into the cytoplasm, where H2O2 intensifies host defenses, restricting further attacks. Wheat resistance and grain yield could be simultaneously increased by TaPIP2;10 overexpression or by expressing a TaPIP2;10 phosphomimic with aspartic acid substitutions at S121 and S280, thereby improving both crop productivity and immunity.
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Affiliation(s)
- Kai Lu
- College of Plant Protection, State Key Laboratory of Crop Biology, Qilu College, Shandong Agricultural University, Taian 271018, China
| | - Xiaochen Chen
- College of Plant Protection, State Key Laboratory of Crop Biology, Qilu College, Shandong Agricultural University, Taian 271018, China
| | - Xiaohui Yao
- College of Plant Protection, State Key Laboratory of Crop Biology, Qilu College, Shandong Agricultural University, Taian 271018, China
| | - Yuyan An
- College of Life Sciences, Shaanxi Normal University, Xi'an 710019, China
| | - Xuan Wang
- Institute of Plant Molecular Biology, State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210023, China
| | - Lina Qin
- College of Plant Protection, State Key Laboratory of Crop Biology, Qilu College, Shandong Agricultural University, Taian 271018, China
| | - Xiaoxu Li
- College of Plant Protection, State Key Laboratory of Crop Biology, Qilu College, Shandong Agricultural University, Taian 271018, China
| | - Zuodong Wang
- College of Plant Protection, State Key Laboratory of Crop Biology, Qilu College, Shandong Agricultural University, Taian 271018, China
| | - Shuo Liu
- College of Plant Protection, State Key Laboratory of Crop Biology, Qilu College, Shandong Agricultural University, Taian 271018, China
| | - Zhimao Sun
- College of Life Sciences, Shaanxi Normal University, Xi'an 710019, China
| | - Liyuan Zhang
- College of Plant Protection, State Key Laboratory of Crop Biology, Qilu College, Shandong Agricultural University, Taian 271018, China
| | - Lei Chen
- College of Plant Protection, State Key Laboratory of Crop Biology, Qilu College, Shandong Agricultural University, Taian 271018, China
| | - Baoyan Li
- Institute of Plant Protection & Resource and Environment, Yantai Academy of Agricultural Sciences, Yantai 265599, China
| | - Baoyou Liu
- Institute of Plant Protection & Resource and Environment, Yantai Academy of Agricultural Sciences, Yantai 265599, China
| | - Weiyang Wang
- College of Plant Protection, State Key Laboratory of Crop Biology, Qilu College, Shandong Agricultural University, Taian 271018, China
| | - Xinhua Ding
- College of Plant Protection, State Key Laboratory of Crop Biology, Qilu College, Shandong Agricultural University, Taian 271018, China
| | - Yonghua Yang
- Institute of Plant Molecular Biology, State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210023, China
| | - Meixiang Zhang
- College of Life Sciences, Shaanxi Normal University, Xi'an 710019, China.
| | - Shenshen Zou
- College of Plant Protection, State Key Laboratory of Crop Biology, Qilu College, Shandong Agricultural University, Taian 271018, China.
| | - Hansong Dong
- College of Plant Protection, State Key Laboratory of Crop Biology, Qilu College, Shandong Agricultural University, Taian 271018, China.
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44
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Wu Y, Zuo L, Ma Y, Jiang Y, Gao J, Tao J, Chen C. Protein Kinase RhCIPK6 Promotes Petal Senescence in Response to Ethylene in Rose ( Rosa Hybrida). Genes (Basel) 2022; 13:1989. [PMID: 36360225 PMCID: PMC9689952 DOI: 10.3390/genes13111989] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 10/06/2022] [Accepted: 10/26/2022] [Indexed: 05/19/2024] Open
Abstract
Cultivated roses have the largest global market share among ornamental crops. Postharvest release of ethylene is the main cause of accelerated senescence and decline in rose flower quality. To understand the molecular mechanism of ethylene-induced rose petal senescence, we analyzed the transcriptome of rose petals during natural senescence as well as with ethylene treatment. A large number of differentially expressed genes (DEGs) were observed between developmental senescence and the ethylene-induced process. We identified 1207 upregulated genes in the ethylene-induced senescence process, including 82 transcription factors and 48 protein kinases. Gene Ontology enrichment analysis showed that ethylene-induced senescence was closely related to stress, dehydration, and redox reactions. We identified a calcineurin B-like protein (CBL) interacting protein kinase (CIPK) family gene in Rosa hybrida, RhCIPK6, that was regulated by age and ethylene induction. Reducing RhCIPK6 expression through virus-induced gene silencing significantly delayed petal senescence, indicating that RhCIPK6 mediates petal senescence. In the RhCIPK6-silenced petals, several senescence associated genes (SAGs) and transcription factor genes were downregulated compared with controls. We also determined that RhCIPK6 directly binds calcineurin B-like protein 3 (RhCBL3). Our work thus offers new insights into the function of CIPKs in petal senescence and provides a genetic resource for extending rose vase life.
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Affiliation(s)
- Yanqing Wu
- Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Institutes of Agricultural Science and Technology Development, Yangzhou University, Yangzhou 225009, China
| | - Lanxin Zuo
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
| | - Yanxing Ma
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
| | - Yunhe Jiang
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
| | - Junping Gao
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
| | - Jun Tao
- College of Horticulture and Landscape Architecture, Yangzhou University, Yangzhou 225009, China
| | - Changxi Chen
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing 100193, China
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45
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Yang C, Huang Y, Lv P, Antwi-Boasiako A, Begum N, Zhao T, Zhao J. NAC Transcription Factor GmNAC12 Improved Drought Stress Tolerance in Soybean. Int J Mol Sci 2022; 23:ijms231912029. [PMID: 36233329 PMCID: PMC9570484 DOI: 10.3390/ijms231912029] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 09/28/2022] [Accepted: 10/08/2022] [Indexed: 11/24/2022] Open
Abstract
NAC transcription factors (TFs) could regulate drought stresses in plants; however, the function of NAC TFs in soybeans remains unclear. To unravel NAC TF function, we established that GmNAC12, a NAC TF from soybean (Glycine max), was involved in the manipulation of stress tolerance. The expression of GmNAC12 was significantly upregulated more than 10-fold under drought stress and more than threefold under abscisic acid (ABA) and ethylene (ETH) treatment. In order to determine the function of GmNAC12 under drought stress conditions, we generated GmNAC12 overexpression and knockout lines. The present findings showed that under drought stress, the survival rate of GmNAC12 overexpression lines increased by more than 57% compared with wild-type plants, while the survival rate of GmNAC12 knockout lines decreased by at least 46%. Furthermore, a subcellular localisation analysis showed that the GmNAC12 protein is concentrated in the nucleus of the tobacco cell. In addition, we used a yeast two-hybrid assay to identify 185 proteins that interact with GmNAC12. Gene ontology (GO) and KEGG analysis showed that GmNAC12 interaction proteins are related to chitin, chlorophyll, ubiquitin–protein transferase, and peroxidase activity. Hence, we have inferred that GmNAC12, as a key gene, could positively regulate soybean tolerance to drought stress.
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Affiliation(s)
- Chengfeng Yang
- National Center for Soybean Improvement, Key Laboratory of Biology and Genetics and Breeding for Soybean, Ministry of Agriculture, State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing 210095, China
| | - Yanzhong Huang
- National Center for Soybean Improvement, Key Laboratory of Biology and Genetics and Breeding for Soybean, Ministry of Agriculture, State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing 210095, China
- National Forage Breeding Innovation Base (JAAS), Key Laboratory for Saline-Alkali Soil Improvement and Utilization (Coastal Saline-Alkali Lands), Ministry of Agriculture and Rural Affairs, Institute of Animal Science, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Peiyun Lv
- National Center for Soybean Improvement, Key Laboratory of Biology and Genetics and Breeding for Soybean, Ministry of Agriculture, State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing 210095, China
| | - Augustine Antwi-Boasiako
- National Center for Soybean Improvement, Key Laboratory of Biology and Genetics and Breeding for Soybean, Ministry of Agriculture, State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing 210095, China
- Crops Research Institute, Council for Scientific and Industrial Research, Kumasi AK420, Ghana
| | - Naheeda Begum
- National Center for Soybean Improvement, Key Laboratory of Biology and Genetics and Breeding for Soybean, Ministry of Agriculture, State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing 210095, China
| | - Tuanjie Zhao
- National Center for Soybean Improvement, Key Laboratory of Biology and Genetics and Breeding for Soybean, Ministry of Agriculture, State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing 210095, China
- Correspondence: (T.Z.); (J.Z.)
| | - Jinming Zhao
- National Center for Soybean Improvement, Key Laboratory of Biology and Genetics and Breeding for Soybean, Ministry of Agriculture, State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing 210095, China
- Correspondence: (T.Z.); (J.Z.)
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Nemoto K, Niinae T, Goto F, Sugiyama N, Watanabe A, Shimizu M, Shiratake K, Nishihara M. Calcium-dependent protein kinase 16 phosphorylates and activates the aquaporin PIP2;2 to regulate reversible flower opening in Gentiana scabra. THE PLANT CELL 2022; 34:2652-2670. [PMID: 35441691 PMCID: PMC9252468 DOI: 10.1093/plcell/koac120] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 03/31/2022] [Indexed: 05/03/2023]
Abstract
Flower opening is important for successful pollination in many plant species, and some species repeatedly open and close their flowers. This is thought to be due to turgor pressure changes caused by water influx/efflux, which depends on osmotic oscillations in the cells. In some ornamental plants, water-transporting aquaporins, also known as plasma membrane intrinsic proteins (PIPs), may play an important role in flower opening. However, the molecular mechanism(s) involved in corolla movement are largely unknown. Gentian (Gentiana spp.) flowers undergo reversible movement in response to temperature and light stimuli; using gentian as a model, we showed that the Gentiana scabra aquaporins GsPIP2;2 and GsPIP2;7 regulate repeated flower opening. In particular, phosphorylation of a C-terminal serine residue of GsPIP2;2 is important for its transport activity and relates closely to the flower re-opening rate. Furthermore, GsPIP2;2 is phosphorylated and activated by the calcium (Ca2+)-dependent protein kinase GsCPK16, which is activated by elevated cytosolic Ca2+ levels in response to temperature and light stimuli. We propose that GsCPK16-dependent phosphorylation and activation of GsPIP2;2 regulate gentian flower re-opening, with stimulus-induced Ca2+ signals acting as triggers.
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Affiliation(s)
| | - Tomoya Niinae
- Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto 606-8501, Japan
| | - Fumina Goto
- Iwate Biotechnology Research Center, Kitakami, Iwate 024-0003, Japan
| | - Naoyuki Sugiyama
- Graduate School of Pharmaceutical Sciences, Kyoto University, Kyoto 606-8501, Japan
| | - Aiko Watanabe
- Iwate Biotechnology Research Center, Kitakami, Iwate 024-0003, Japan
| | - Motoki Shimizu
- Iwate Biotechnology Research Center, Kitakami, Iwate 024-0003, Japan
| | - Katsuhiro Shiratake
- Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya 464-8601, Japan
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47
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Jalal A, Sun J, Chen Y, Fan C, Liu J, Wang C. Evolutionary Analysis and Functional Identification of Clock-Associated PSEUDO-RESPONSE REGULATOR (PRRs) Genes in the Flowering Regulation of Roses. Int J Mol Sci 2022; 23:ijms23137335. [PMID: 35806340 PMCID: PMC9266954 DOI: 10.3390/ijms23137335] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 06/27/2022] [Accepted: 06/28/2022] [Indexed: 01/27/2023] Open
Abstract
Pseudo-response regulators (PRRs) are the important genes for flowering in roses. In this work, clock PRRs were genome-wide identified using Arabidopsis protein sequences as queries, and their evolutionary analyses were deliberated intensively in Rosaceae in correspondence with angiosperms species. To draw a comparative network and flow of clock PRRs in roses, a co-expression network of flowering pathway genes was drawn using a string database, and their functional analysis was studied by silencing using VIGS and protein-to-protein interaction. We revealed that the clock PRRs were significantly expanded in Rosaceae and were divided into three major clades, i.e., PRR5/9 (clade 1), PRR3/7 (clade 2), and TOC1/PRR1 (clade 3), based on their phylogeny. Within the clades, five clock PRRs were identified in Rosa chinensis. Clock PRRs had conserved RR domain and shared similar features, suggesting the duplication occurred during evolution. Divergence analysis indicated the role of duplication events in the expansion of clock PRRs. The diverse cis elements and interaction of clock PRRs with miRNAs suggested their role in plant development. Co-expression network analysis showed that the clock PRRs from Rosa chinensis had a strong association with flowering controlling genes. Further silencing of RcPRR1b and RcPRR5 in Rosa chinensis using VIGS led to earlier flowering, confirming them as negative flowering regulators. The protein-to-protein interactions between RcPRR1a/RcPRR5 and RcCO suggested that RcPRR1a/RcPRR5 may suppress flowering by interfering with the binding of RcCO to the promoter of RcFT. Collectively, these results provided an understanding of the evolutionary profiles as well as the functional role of clock PRRs in controlling flowering in roses.
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48
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Chen W, Zhou Y, Wu H, Zhang S, Yang R, Liu X. RhRab5ip, a new interactor of RhPIP1;1, was involved in flower opening of cut rose during water deficit. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2022; 181:61-70. [PMID: 35430395 DOI: 10.1016/j.plaphy.2022.03.040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 02/27/2022] [Accepted: 03/31/2022] [Indexed: 06/14/2023]
Abstract
Flower opening is a process primarily caused by water uptake-driven petal cell expansion. while which is easily affected by water deficit during transportation of cut flowers, resulting in abnormal flower opening. The knowledge of important players during this process remains limited. We previously reported that the aquaporin RhPIP1;1 plays an important role in ethylene-regulated petal cell expansion in rose flower. Here, we identified RhRab5ip as a new interactor of RhPIP1;1. RhRab5ip belongs to the Rab5-interacting protein (Rab5ip) family and may function in vesicle trafficking pathway. By using split ubiquitin yeast two-hybrid (SUY2H) system, bimolecular fluorescence complementation (BiFC) and subcellular colocalization we confirmed the existence of physical interaction between RhPIP1;1 and RhRab5ip in yeast and plant cell. The interaction of these two proteins happened at the small punctate structures in the cytoplasm. Expression of RhRab5ip in petals increased substantially at the initial stage of flower opening and maintained at high level until flower wilting. The transcripts of both RhRab5ip and RhPIP1;1 were greatly up-regulated by ABA and GA3 treatments, while only RhPIP1;1 was down-regulated by ethylene. Moreover, both RhRab5ip and RhPIP1;1 were significantly induced by water deficit treatment after 12 h-treatment, when flowers started to wilt and showed neck bending. Taken together, these findings suggested that RhRab5ip might functionally coordinate with RhPIP1;1 in response to water deficit stress in rose flower, expanding our understanding of the possible involvement of Rab5ip protein in the regulatory network of flower opening during water deficit.
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Affiliation(s)
- Wen Chen
- Collaborative Innovation Center for Efficient and Green Production of Agriculture in Mountainous Areas of Zhejiang Province, College of Horticulture Science, Zhejiang A&F University, Hangzhou, 311300, Zhejiang, China.
| | - Yingying Zhou
- Collaborative Innovation Center for Efficient and Green Production of Agriculture in Mountainous Areas of Zhejiang Province, College of Horticulture Science, Zhejiang A&F University, Hangzhou, 311300, Zhejiang, China
| | - Huimin Wu
- Collaborative Innovation Center for Efficient and Green Production of Agriculture in Mountainous Areas of Zhejiang Province, College of Horticulture Science, Zhejiang A&F University, Hangzhou, 311300, Zhejiang, China
| | - Shuai Zhang
- State Key Laboratory of Agrobiotechnology, Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China
| | - Ruoyun Yang
- State Key Laboratory of Agrobiotechnology, Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China
| | - Xiaojing Liu
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing, China
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49
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Jia Y, Chen C, Gong F, Jin W, Zhang H, Qu S, Ma N, Jiang Y, Gao J, Sun X. An Aux/IAA Family Member, RhIAA14, Involved in Ethylene-Inhibited Petal Expansion in Rose ( Rosa hybrida). Genes (Basel) 2022; 13:1041. [PMID: 35741802 PMCID: PMC9222917 DOI: 10.3390/genes13061041] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Revised: 05/31/2022] [Accepted: 06/08/2022] [Indexed: 12/10/2022] Open
Abstract
Flower size, a primary agronomic trait in breeding of ornamental plants, is largely determined by petal expansion. Generally, ethylene acts as an inhibitor of petal expansion, but its effect is restricted by unknown developmental cues. In this study, we found that the critical node of ethylene-inhibited petal expansion is between stages 1 and 2 of rose flower opening. To uncover the underlying regulatory mechanism, we carried out a comparative RNA-seq analysis. Differentially expressed genes (DEGs) involved in auxin-signaling pathways were enriched. Therefore, we identified an auxin/indole-3-acetic acid (Aux/IAA) family gene, RhIAA14, whose expression was development-specifically repressed by ethylene. The silencing of RhIAA14 reduced cell expansion, resulting in diminished petal expansion and flower size. In addition, the expressions of cell-expansion-related genes, including RhXTH6, RhCesA2, RhPIP2;1, and RhEXPA8, were significantly downregulated following RhIAA14 silencing. Our results reveal an Aux/IAA that serves as a key player in orchestrating petal expansion and ultimately contributes to flower size, which provides new insights into ethylene-modulated flower opening and the function of the Aux/IAA transcription regulator.
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Affiliation(s)
- Yangchao Jia
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, College of Horticulture, China Agricultural University, Beijing 100193, China; (Y.J.); (C.C.); (F.G.); (W.J.); (N.M.); (Y.J.); (J.G.)
| | - Changxi Chen
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, College of Horticulture, China Agricultural University, Beijing 100193, China; (Y.J.); (C.C.); (F.G.); (W.J.); (N.M.); (Y.J.); (J.G.)
| | - Feifei Gong
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, College of Horticulture, China Agricultural University, Beijing 100193, China; (Y.J.); (C.C.); (F.G.); (W.J.); (N.M.); (Y.J.); (J.G.)
| | - Weichan Jin
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, College of Horticulture, China Agricultural University, Beijing 100193, China; (Y.J.); (C.C.); (F.G.); (W.J.); (N.M.); (Y.J.); (J.G.)
| | - Hao Zhang
- Flower Research Institute, Yunnan Academy of Agricultural Sciences, Kunming 650205, China; (H.Z.); (S.Q.)
| | - Suping Qu
- Flower Research Institute, Yunnan Academy of Agricultural Sciences, Kunming 650205, China; (H.Z.); (S.Q.)
| | - Nan Ma
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, College of Horticulture, China Agricultural University, Beijing 100193, China; (Y.J.); (C.C.); (F.G.); (W.J.); (N.M.); (Y.J.); (J.G.)
| | - Yunhe Jiang
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, College of Horticulture, China Agricultural University, Beijing 100193, China; (Y.J.); (C.C.); (F.G.); (W.J.); (N.M.); (Y.J.); (J.G.)
| | - Junping Gao
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, College of Horticulture, China Agricultural University, Beijing 100193, China; (Y.J.); (C.C.); (F.G.); (W.J.); (N.M.); (Y.J.); (J.G.)
| | - Xiaoming Sun
- Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, College of Horticulture, China Agricultural University, Beijing 100193, China; (Y.J.); (C.C.); (F.G.); (W.J.); (N.M.); (Y.J.); (J.G.)
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Ji Y, Xu M, Liu Z, Yuan H, Lv T, Li H, Xu Y, Si Y, Wang A. NUCLEOCYTOPLASMIC shuttling of ETHYLENE RESPONSE FACTOR 5 mediated by nitric oxide suppresses ethylene biosynthesis in apple fruit. THE NEW PHYTOLOGIST 2022; 234:1714-1734. [PMID: 35254663 PMCID: PMC9313842 DOI: 10.1111/nph.18071] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Accepted: 02/28/2022] [Indexed: 06/14/2023]
Abstract
Nitric oxide (NO) is known to modulate the action of several phytohormones. This includes the gaseous hormone ethylene, but the molecular mechanisms underlying the effect of NO on ethylene biosynthesis are unclear. Here, we observed a decrease in endogenous NO abundance during apple (Malus domestica) fruit development and exogenous treatment of apple fruit with a NO donor suppressed ethylene production, suggesting that NO is a ripening suppressor. Expression of the transcription factor MdERF5 was activated by NO donor treatment. NO induced the nucleocytoplasmic shuttling of MdERF5 by modulating its interaction with the protein phosphatase, MdPP2C57. MdPP2C57-induced dephosphorylation of MdERF5 at Ser260 is sufficient to promote nuclear export of MdERF5. As a consequence of this export, MdERF5 proteins in the cytoplasm interacted with and suppressed the activity of MdACO1, an enzyme that converts 1-aminocyclopropane-1-carboxylic acid (ACC) to ethylene. The NO-activated MdERF5 was observed to increase in abundance in the nucleus and bind to the promoter of the ACC synthase gene MdACS1 and directly suppress its transcription. Together, these results suggest that NO-activated nucleocytoplasmic MdERF5 suppresses the action of ethylene biosynthetic genes, thereby suppressing ethylene biosynthesis and limiting fruit ripening.
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Affiliation(s)
- Yinglin Ji
- Key Laboratory of Fruit Postharvest Biology (Liaoning Province)Key Laboratory of Protected Horticulture (Ministry of Education)National & Local Joint Engineering Research Center of Northern Horticultural Facilities Design & Application Technology (Liaoning)College of HorticultureShenyang Agricultural UniversityShenyang110866China
| | - Mingyang Xu
- Key Laboratory of Fruit Postharvest Biology (Liaoning Province)Key Laboratory of Protected Horticulture (Ministry of Education)National & Local Joint Engineering Research Center of Northern Horticultural Facilities Design & Application Technology (Liaoning)College of HorticultureShenyang Agricultural UniversityShenyang110866China
| | - Zhi Liu
- Liaoning Institute of PomologyXiongyue115009China
| | - Hui Yuan
- Key Laboratory of Fruit Postharvest Biology (Liaoning Province)Key Laboratory of Protected Horticulture (Ministry of Education)National & Local Joint Engineering Research Center of Northern Horticultural Facilities Design & Application Technology (Liaoning)College of HorticultureShenyang Agricultural UniversityShenyang110866China
| | - Tianxing Lv
- Liaoning Institute of PomologyXiongyue115009China
| | - Hongjian Li
- Key Laboratory of Fruit Postharvest Biology (Liaoning Province)Key Laboratory of Protected Horticulture (Ministry of Education)National & Local Joint Engineering Research Center of Northern Horticultural Facilities Design & Application Technology (Liaoning)College of HorticultureShenyang Agricultural UniversityShenyang110866China
- Liaoning Institute of PomologyXiongyue115009China
| | - Yaxiu Xu
- Key Laboratory of Fruit Postharvest Biology (Liaoning Province)Key Laboratory of Protected Horticulture (Ministry of Education)National & Local Joint Engineering Research Center of Northern Horticultural Facilities Design & Application Technology (Liaoning)College of HorticultureShenyang Agricultural UniversityShenyang110866China
| | - Yajing Si
- Key Laboratory of Fruit Postharvest Biology (Liaoning Province)Key Laboratory of Protected Horticulture (Ministry of Education)National & Local Joint Engineering Research Center of Northern Horticultural Facilities Design & Application Technology (Liaoning)College of HorticultureShenyang Agricultural UniversityShenyang110866China
| | - Aide Wang
- Key Laboratory of Fruit Postharvest Biology (Liaoning Province)Key Laboratory of Protected Horticulture (Ministry of Education)National & Local Joint Engineering Research Center of Northern Horticultural Facilities Design & Application Technology (Liaoning)College of HorticultureShenyang Agricultural UniversityShenyang110866China
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