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Ghanbarzadeh Z, Mohagheghzadeh A, Hemmati S. The Roadmap of Plant Antimicrobial Peptides Under Environmental Stress: From Farm to Bedside. Probiotics Antimicrob Proteins 2024:10.1007/s12602-024-10354-9. [PMID: 39225894 DOI: 10.1007/s12602-024-10354-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/22/2024] [Indexed: 09/04/2024]
Abstract
Antimicrobial peptides (AMPs) are the most favorable alternatives in overcoming multidrug resistance, alone or synergistically with conventional antibiotics. Plant-derived AMPs, as cysteine-rich peptides, widely compensate the pharmacokinetic drawbacks of peptide therapeutics. Compared to the putative genes encrypted in the genome, AMPs that are produced under stress are active forms with the ability to combat resistant microbial species. Within this study, plant-derived AMPs, namely, defensins, nodule-specific cysteine-rich peptides, snakins, lipid transfer proteins, hevein-like proteins, α-hairpinins, and aracins, expressed under biotic and abiotic stresses, are classified. We could observe that while α-hairpinins and snakins display a helix-turn-helix structure, conserved motif patterns such as β1αβ2β3 and β1β2β3 exist in plant defensins and hevein-like proteins, respectively. According to the co-expression data, several plant AMPs are expressed together to trigger synergistic effects with membrane disruption mechanisms such as toroidal pore, barrel-stave, and carpet models. The application of AMPs as an eco-friendly strategy in maintaining agricultural productivity through the development of transgenes and bio-pesticides is discussed. These AMPs can be consumed in packaging material, wound-dressing products, coating catheters, implants, and allergology. AMPs with cell-penetrating properties are verified for the clearance of intracellular pathogens. Finally, the dominant pharmacological activities of bioactive peptides derived from the gastrointestinal digestion of plant AMPs, namely, inhibitors of renin and angiotensin-converting enzymes, dipeptidyl peptidase IV and α-glucosidase inhibitors, antioxidants, anti-inflammatory, immunomodulating, and hypolipidemic peptides, are analyzed. Conclusively, as phytopathogens and human pathogens can be affected by plant-derived AMPs, they provide a bright perspective in agriculture, breeding, food, cosmetics, and pharmaceutical industries, translated as farm to bedside.
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Affiliation(s)
- Zohreh Ghanbarzadeh
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Abdolali Mohagheghzadeh
- Department of Phytopharmaceuticals, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Shiva Hemmati
- Department of Pharmaceutical Biotechnology, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran.
- Biotechnology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
- Department of Pharmaceutical Biology, Faculty of Pharmaceutical Sciences, UCSI University, Cheras, 56000, Kuala Lumpur, Malaysia.
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2
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Tian WH, Cai WY, Zhu CQ, Kong YL, Cao XC, Zhu LF, Ye JY, Zhang JH, Zheng SJ. STOP1 regulates CCX1-mediated Ca 2+ homeostasis for plant adaptation to Ca 2+ deprivation. JOURNAL OF INTEGRATIVE PLANT BIOLOGY 2024. [PMID: 39092784 DOI: 10.1111/jipb.13754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2024] [Accepted: 07/15/2024] [Indexed: 08/04/2024]
Abstract
Calcium (Ca) is essential for plant growth and stress adaptation, yet its availability is often limited in acidic soils, posing a major threat to crop production. Understanding the intricate mechanisms orchestrating plant adaptation to Ca deficiency remains elusive. Here, we show that the Ca deficiency-enhanced nuclear accumulation of the transcription factor SENSITIVE TO PROTON RHIZOTOXICITY 1 (STOP1) in Arabidopsis thaliana confers tolerance to Ca deprivation, with the global transcriptional responses triggered by Ca deprivation largely impaired in the stop1 mutant. Notably, STOP1 activates the Ca deprivation-induced expression of CATION/Ca2+ EXCHANGER 1 (CCX1) by directly binding to its promoter region, which facilitates Ca2+ efflux from endoplasmic reticulum to cytosol to maintain Ca homeostasis. Consequently, the constitutive expression of CCX1 in the stop1 mutant partially rescues the Ca deficiency phenotype by increasing Ca content in the shoots. These findings uncover the pivotal role of the STOP1-CCX1 axis in plant adaptation to low Ca, offering alternative manipulating strategies to improve plant Ca nutrition in acidic soils and extending our understanding of the multifaceted role of STOP1.
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Affiliation(s)
- Wen Hao Tian
- State Key Laboratory of Rice Biology and Breeding, China National Rice Research Institute, Hangzhou, 310006, China
| | - Wen Yan Cai
- State Key Laboratory of Rice Biology and Breeding, China National Rice Research Institute, Hangzhou, 310006, China
- College of Environmental and Resource Sciences, Zhejiang A&F University, Hangzhou, 311300, China
| | - Chun Quan Zhu
- State Key Laboratory of Rice Biology and Breeding, China National Rice Research Institute, Hangzhou, 310006, China
| | - Ya Li Kong
- State Key Laboratory of Rice Biology and Breeding, China National Rice Research Institute, Hangzhou, 310006, China
| | - Xiao Chuang Cao
- State Key Laboratory of Rice Biology and Breeding, China National Rice Research Institute, Hangzhou, 310006, China
| | - Lian Feng Zhu
- State Key Laboratory of Rice Biology and Breeding, China National Rice Research Institute, Hangzhou, 310006, China
| | - Jia Yuan Ye
- State Key Laboratory of Plant Environmental Resilience, College of Life Science, Zhejiang University, Hangzhou, 310058, China
| | - Jun Hua Zhang
- State Key Laboratory of Rice Biology and Breeding, China National Rice Research Institute, Hangzhou, 310006, China
| | - Shao Jian Zheng
- State Key Laboratory of Plant Environmental Resilience, College of Life Science, Zhejiang University, Hangzhou, 310058, China
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3
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Fan N, Li X, Xie W, Wei X, Fang Q, Xu J, Huang CF. Modulation of external and internal aluminum resistance by ALS3-dependent STAR1-mediated promotion of STOP1 degradation. THE NEW PHYTOLOGIST 2024. [PMID: 39060950 DOI: 10.1111/nph.19985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2024] [Accepted: 07/01/2024] [Indexed: 07/28/2024]
Abstract
The ALMT1 transporter aids malate secretion, chelating Al3+ ions to form nontoxic Al-malate complexes, believed to exclude Al from the roots. However, the extent to which malate secreted by ALMT1 is solely used for the exclusion of Al3+ or can be reutilized by plant roots for internal Al tolerance remains uncertain. In our investigation, we explored the impact of malate secretion on both external and internal Al resistance in Arabidopsis thaliana. Additionally, we delved into the mechanism by which the tonoplast-localized bacterial-type ATP-binding cassette (ABC) transporter complex STAR1/ALS3 promotes the degradation of the Al resistance transcription factor STOP1 to regulate ALMT1 expression. Our study demonstrates that the level of secreted malate influences whether the Al-malate complex is excluded from the roots or transported into root cells. The nodulin 26-like intrinsic protein (NIP) subfamily members NIP1;1 and NIP1;2, located in the plasma membrane, coordinate with STAR1/ALS3 to facilitate Al-malate transport from root apoplasm to the symplasm and eventually to the vacuoles for the internal Al detoxification. ALS3-dependent STAR1 interacts with and promotes the degradation of STOP1, regulating malate exudation. Our findings demonstrate the dual roles of malate exudation in external Al exclusion and Al absorption for internal Al detoxification.
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Affiliation(s)
- Ni Fan
- National Key Laboratory of Plant Molecular Genetics, Key Laboratory of Plant Design, Shanghai Center for Plant Stress Biology, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 200032, China
- University of the Chinese Academy of Sciences, Beijing, 100049, China
| | - Xinbo Li
- National Key Laboratory of Plant Molecular Genetics, Key Laboratory of Plant Design, Shanghai Center for Plant Stress Biology, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 200032, China
- University of the Chinese Academy of Sciences, Beijing, 100049, China
| | - Wenxiang Xie
- National Key Laboratory of Plant Molecular Genetics, Key Laboratory of Plant Design, Shanghai Center for Plant Stress Biology, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 200032, China
| | - Xiang Wei
- National Key Laboratory of Plant Molecular Genetics, Key Laboratory of Plant Design, Shanghai Center for Plant Stress Biology, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 200032, China
| | - Qiu Fang
- National Key Laboratory of Plant Molecular Genetics, Key Laboratory of Plant Design, Shanghai Center for Plant Stress Biology, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 200032, China
| | - Jingyi Xu
- National Key Laboratory of Plant Molecular Genetics, Key Laboratory of Plant Design, Shanghai Center for Plant Stress Biology, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 200032, China
| | - Chao-Feng Huang
- National Key Laboratory of Plant Molecular Genetics, Key Laboratory of Plant Design, Shanghai Center for Plant Stress Biology, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 200032, China
- University of the Chinese Academy of Sciences, Beijing, 100049, China
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4
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Zhang C, He M, Jiang Z, Liu T, Wang C, Wang S, Xu F. Arabidopsis transcription factor STOP1 directly activates expression of NOD26-LIKE MAJOR INTRINSIC PROTEIN5;1, and is involved in the regulation of tolerance to low-boron stress. JOURNAL OF EXPERIMENTAL BOTANY 2024; 75:2574-2583. [PMID: 38307018 DOI: 10.1093/jxb/erae038] [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: 11/03/2023] [Accepted: 01/31/2024] [Indexed: 02/04/2024]
Abstract
Transcriptional regulation is a crucial component of plant adaptation to numerous different stresses; however, its role in how plants adapt to low-boron (B) stress remains unclear. In this study, we show that the C2H2-type transcription factor SENSITIVE TO PROTON RHIZOTOXICITY1 (STOP1) in Arabidopsis is essential for improving plant growth under low-B conditions. STOP1 and the boric acid-channel protein NOD26-LIKE MAJOR INTRINSIC PROTEIN5;1 (NIP5;1) were found to co-localize in root epidermal cells, and STOP1 binds to the 5´-untranslated region of NIP5;1 to activate its expression and enhance B uptake by the roots. Overexpression of STOP1 increased tolerance to low-B stress by up-regulating NIP5;1 transcript levels. Further genetic analyses revealed that STOP1 and NIP5;1 function together in the same pathway to confer low-B tolerance. These results highlight the importance of the STOP1-NIP5;1 module in improving plant growth under low-B conditions.
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Affiliation(s)
- Cheng Zhang
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, 430070 Wuhan, Hubei, P. R. China
- Microelement Research Center, College of Resources & Environment, Huazhong Agricultural University, Wuhan 430070, China
| | - Mingliang He
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, 430070 Wuhan, Hubei, P. R. China
- Microelement Research Center, College of Resources & Environment, Huazhong Agricultural University, Wuhan 430070, China
| | - Zhexuan Jiang
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, 430070 Wuhan, Hubei, P. R. China
- Microelement Research Center, College of Resources & Environment, Huazhong Agricultural University, Wuhan 430070, China
| | - Tongtong Liu
- Microelement Research Center, College of Resources & Environment, Huazhong Agricultural University, Wuhan 430070, China
| | - Chuang Wang
- Microelement Research Center, College of Resources & Environment, Huazhong Agricultural University, Wuhan 430070, China
| | - Sheliang Wang
- Microelement Research Center, College of Resources & Environment, Huazhong Agricultural University, Wuhan 430070, China
| | - Fangsen Xu
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, 430070 Wuhan, Hubei, P. R. China
- Microelement Research Center, College of Resources & Environment, Huazhong Agricultural University, Wuhan 430070, China
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Rajendran S, Kang YM, Yang IB, Eo HB, Baek KL, Jang S, Eybishitz A, Kim HC, Je BI, Park SJ, Kim CM. Functional characterization of plant specific Indeterminate Domain (IDD) transcription factors in tomato (Solanum lycopersicum L.). Sci Rep 2024; 14:8015. [PMID: 38580719 PMCID: PMC10997639 DOI: 10.1038/s41598-024-58903-0] [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: 11/14/2023] [Accepted: 04/04/2024] [Indexed: 04/07/2024] Open
Abstract
Plant-specific transcription factors (TFs) are responsible for regulating the genes involved in the development of plant-specific organs and response systems for adaptation to terrestrial environments. This includes the development of efficient water transport systems, efficient reproductive organs, and the ability to withstand the effects of terrestrial factors, such as UV radiation, temperature fluctuations, and soil-related stress factors, and evolutionary advantages over land predators. In rice and Arabidopsis, INDETERMINATE DOMAIN (IDD) TFs are plant-specific TFs with crucial functions, such as development, reproduction, and stress response. However, in tomatoes, IDD TFs remain uncharacterized. Here, we examined the presence, distribution, structure, characteristics, and expression patterns of SlIDDs. Database searches, multiple alignments, and motif alignments suggested that 24 TFs were related to Arabidopsis IDDs. 18 IDDs had two characteristic C2H2 domains and two C2HC domains in their coding regions. Expression analyses suggest that some IDDs exhibit multi-stress responsive properties and can respond to specific stress conditions, while others can respond to multiple stress conditions in shoots and roots, either in a tissue-specific or universal manner. Moreover, co-expression database analyses suggested potential interaction partners within IDD family and other proteins. This study functionally characterized SlIDDs, which can be studied using molecular and bioinformatics methods for crop improvement.
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Affiliation(s)
- Sujeevan Rajendran
- Department of Horticulture Industry, Wonkwang University, Iksan, 54538, Republic of Korea
| | - Yu Mi Kang
- Department of Horticultural and Life Science, Pusan National University, Milyang, 50463, Korea
| | - In Been Yang
- Department of Horticulture Industry, Wonkwang University, Iksan, 54538, Republic of Korea
| | - Hye Bhin Eo
- Department of Horticulture Industry, Wonkwang University, Iksan, 54538, Republic of Korea
| | - Kyung Lyung Baek
- Department of Horticulture Industry, Wonkwang University, Iksan, 54538, Republic of Korea
| | - Seonghoe Jang
- World Vegetable Center Korea Office (WKO), Wanju-gun, Jeollabuk-do, 55365, Republic of Korea
| | - Assaf Eybishitz
- World Vegetable Center, P.O. Box 42, Tainan, 74199, Shanhua, Taiwan
| | - Ho Cheol Kim
- Department of Horticulture Industry, Wonkwang University, Iksan, 54538, Republic of Korea
| | - Byeong Il Je
- Department of Horticultural and Life Science, Pusan National University, Milyang, 50463, Korea
| | - Soon Ju Park
- Division of Applied Life Science (BK21 Four), Plant Molecular Biology and Biotechnology Research Center (PMBBRC), Gyeongsang National University, Jinju, Korea
| | - Chul Min Kim
- Department of Horticulture Industry, Wonkwang University, Iksan, 54538, Republic of Korea.
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6
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Wei X, Zhu Y, Xie W, Ren W, Zhang Y, Zhang H, Dai S, Huang CF. H2O2 negatively regulates aluminum resistance via oxidation and degradation of the transcription factor STOP1. THE PLANT CELL 2024; 36:688-708. [PMID: 37936326 PMCID: PMC10896299 DOI: 10.1093/plcell/koad281] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 10/11/2023] [Accepted: 10/11/2023] [Indexed: 11/09/2023]
Abstract
Aluminum (Al) stress triggers the accumulation of hydrogen peroxide (H2O2) in roots. However, whether H2O2 plays a regulatory role in aluminum resistance remains unclear. In this study, we show that H2O2 plays a crucial role in regulation of Al resistance, which is modulated by the mitochondrion-localized pentatricopeptide repeat protein REGULATION OF ALMT1 EXPRESSION 6 (RAE6). Mutation in RAE6 impairs the activity of complex I of the mitochondrial electron transport chain, resulting in the accumulation of H2O2 and increased sensitivity to Al. Our results suggest that higher H2O2 concentrations promote the oxidation of SENSITIVE TO PROTON RHIZOTOXICITY 1 (STOP1), an essential transcription factor that promotes Al resistance, thereby promoting its degradation by enhancing the interaction between STOP1 and the F-box protein RAE1. Conversely, decreasing H2O2 levels or blocking the oxidation of STOP1 leads to greater STOP1 stability and increased Al resistance. Moreover, we show that the thioredoxin TRX1 interacts with STOP1 to catalyze its chemical reduction. Thus, our results highlight the importance of H2O2 in Al resistance and regulation of STOP1 stability in Arabidopsis (Arabidopsis thaliana).
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Affiliation(s)
- Xiang Wei
- National Key Laboratory of Plant Molecular Genetics, Key Laboratory of Plant Design, Shanghai Center for Plant Stress Biology, Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai 200032, China
- University of the Chinese Academy of Sciences, Beijing 100049, China
| | - Yifang Zhu
- National Key Laboratory of Plant Molecular Genetics, Key Laboratory of Plant Design, Shanghai Center for Plant Stress Biology, Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai 200032, China
| | - Wenxiang Xie
- National Key Laboratory of Plant Molecular Genetics, Key Laboratory of Plant Design, Shanghai Center for Plant Stress Biology, Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai 200032, China
| | - Weiwei Ren
- Development Center of Plant Germplasm Resources and Shanghai Key Laboratory of Plant Molecular Sciences, College of Life Sciences, Shanghai Normal University, Shanghai 200234, China
| | - Yang Zhang
- National Key Laboratory of Plant Molecular Genetics, Key Laboratory of Plant Design, Shanghai Center for Plant Stress Biology, Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai 200032, China
| | - Hui Zhang
- Development Center of Plant Germplasm Resources and Shanghai Key Laboratory of Plant Molecular Sciences, College of Life Sciences, Shanghai Normal University, Shanghai 200234, China
| | - Shaojun Dai
- Development Center of Plant Germplasm Resources and Shanghai Key Laboratory of Plant Molecular Sciences, College of Life Sciences, Shanghai Normal University, Shanghai 200234, China
| | - Chao-Feng Huang
- National Key Laboratory of Plant Molecular Genetics, Key Laboratory of Plant Design, Shanghai Center for Plant Stress Biology, Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai 200032, China
- University of the Chinese Academy of Sciences, Beijing 100049, China
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7
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Nasr Esfahani M, Sonnewald U. Unlocking dynamic root phenotypes for simultaneous enhancement of water and phosphorus uptake. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 207:108386. [PMID: 38280257 DOI: 10.1016/j.plaphy.2024.108386] [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: 10/03/2023] [Revised: 01/08/2024] [Accepted: 01/17/2024] [Indexed: 01/29/2024]
Abstract
Phosphorus (P) and water are crucial for plant growth, but their availability is challenged by climate change, leading to reduced crop production and global food security. In many agricultural soils, crop productivity is confronted by both water and P limitations. The diminished soil moisture decreases available P due to reduced P diffusion, and inadequate P availability diminishes tissue water status through modifications in stomatal conductance and a decrease in root hydraulic conductance. P and water display contrasting distributions in the soil, with P being concentrated in the topsoil and water in the subsoil. Plants adapt to water- and P-limited environments by efficiently exploring localized resource hotspots of P and water through the adaptation of their root system. Thus, developing cultivars with improved root architecture is crucial for accessing and utilizing P and water from arid and P-deficient soils. To meet this goal, breeding towards multiple advantageous root traits can lead to better cultivars for water- and P-limited environments. This review discusses the interplay of P and water availability and highlights specific root traits that enhance the exploration and exploitation of optimal resource-rich soil strata while reducing metabolic costs. We propose root ideotype models, including 'topsoil foraging', 'subsoil foraging', and 'topsoil/subsoil foraging' for maize (monocot) and common bean (dicot). These models integrate beneficial root traits and guide the development of water- and P-efficient cultivars for challenging environments.
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Affiliation(s)
- Maryam Nasr Esfahani
- Department of Biology, Chair of Biochemistry, Friedrich-Alexander-University Erlangen-Nuremberg, Erlangen, Germany.
| | - Uwe Sonnewald
- Department of Biology, Chair of Biochemistry, Friedrich-Alexander-University Erlangen-Nuremberg, Erlangen, Germany.
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Jia HH, Xu YT, Yin ZJ, Qing M, Xie KD, Guo WW, Wu XM. Genome-wide identification of the C2H2-Zinc finger gene family and functional validation of CsZFP7 in citrus nucellar embryogenesis. PLANT REPRODUCTION 2023; 36:287-300. [PMID: 37247027 DOI: 10.1007/s00497-023-00470-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Accepted: 05/15/2023] [Indexed: 05/30/2023]
Abstract
KEY MESSAGE Genome-wide identification of C2H2-ZF gene family in the poly- and mono-embryonic citrus species and validation of the positive role of CsZFP7 in sporophytic apomixis. The C2H2 zinc finger (C2H2-ZF) gene family is involved in plant vegetative and reproductive development. Although a large number of C2H2 zinc-finger proteins (C2H2-ZFPs) have been well characterized in some horticultural plants, little is known about the C2H2-ZFPs and their function in citrus. In this work, we performed a genome-wide sequence analysis and identified 97 and 101 putative C2H2-ZF gene family members in the genomes of sweet orange (C. sinensis, poly-embryonic) and pummelo (C. grandis, mono-embryonic), respectively. Phylogenetic analysis categorized citrus C2H2-ZF gene family into four clades, and their possible functions were inferred. According to the numerous regulatory elements on promoter, citrus C2H2-ZFPs can be divided into five different regulatory function types that indicate functional differentiation. RNA-seq data revealed 20 differentially expressed C2H2-ZF genes between poly-embryonic and mono-embryonic ovules at two stages of citrus nucellar embryogenesis, among them CsZFP52 specifically expressed in mono-embryonic pummelo ovules, while CsZFP7, 37, 44, 45, 67 and 68 specifically expressed in poly-embryonic sweet orange ovules. RT-qPCR further validated that CsZFP7 specifically expressed at higher levels in poly-embryonic ovules, and down-regulation of CsZFP7 in the poly-embryonic mini citrus (Fortunella hindsii) increased rate of mono-embryonic seeds compared with the wild type, indicating the regulatory potential of CsZFP7 in nucellar embryogenesis of citrus. This work provided a comprehensive analysis of C2H2-ZF gene family in citrus, including genome organization and gene structure, phylogenetic relationships, gene duplications, possible cis-elements on promoter regions and expression profiles, especially in the poly- and mono-embryogenic ovules, and suggested that CsZFP7 is involved in nucellar embryogenesis.
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Affiliation(s)
- Hui-Hui Jia
- National Key Laboratory for Germplasm Innovation and Utilization of Horticultural Crops, College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan, 430070, China
| | - Yuan-Tao Xu
- National Key Laboratory for Germplasm Innovation and Utilization of Horticultural Crops, College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan, 430070, China
| | - Zhu-Jun Yin
- National Key Laboratory for Germplasm Innovation and Utilization of Horticultural Crops, College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan, 430070, China
| | - Mei Qing
- National Key Laboratory for Germplasm Innovation and Utilization of Horticultural Crops, College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan, 430070, China
| | - Kai-Dong Xie
- National Key Laboratory for Germplasm Innovation and Utilization of Horticultural Crops, College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan, 430070, China
| | - Wen-Wu Guo
- National Key Laboratory for Germplasm Innovation and Utilization of Horticultural Crops, College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan, 430070, China
| | - Xiao-Meng Wu
- National Key Laboratory for Germplasm Innovation and Utilization of Horticultural Crops, College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan, 430070, China.
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9
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Ma Q, Zhao C, Hu S, Zuo K. Arabidopsis calcium-dependent protein kinase CPK6 regulates drought tolerance under high nitrogen by the phosphorylation of NRT1.1. JOURNAL OF EXPERIMENTAL BOTANY 2023; 74:5682-5693. [PMID: 37463320 DOI: 10.1093/jxb/erad277] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Accepted: 07/14/2023] [Indexed: 07/20/2023]
Abstract
Nitrogen (N) is an essential macronutrient for plant growth and development, and its availability is regulated to some extent by drought stress. Calcium-dependent protein kinases (CPKs) are a unique family of Ca2+ sensors with diverse functions in N uptake and drought-tolerance signaling pathways; however, how CPKs are involved in the crosstalk between drought stress and N transportation remains largely unknown. Here, we identify the drought-tolerance function of Arabidopsis CPK6 under high N conditions. CPK6 expression was induced by ABA and drought treatments. The mutant cpk6 was insensitive to ABA treatment and low N, but was sensitive to drought only under high N conditions. CPK6 interacted with the NRT1.1 (CHL1) protein and phosphorylated the Thr447 residue, which then repressed the NO3- transporting activity of Arabidopsis under high N and drought stress. Taken together, our results show that CPK6 regulates Arabidopsis drought tolerance through changing the phosphorylation state of NRT1.1, and improve our knowledge of N uptake in plants during drought stress.
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Affiliation(s)
- Qijun Ma
- Single Cell Research Center, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Chunyan Zhao
- Single Cell Research Center, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Shi Hu
- Single Cell Research Center, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Kaijing Zuo
- Single Cell Research Center, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
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10
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Jia Y, Qin D, Zheng Y, Wang Y. Finding Balance in Adversity: Nitrate Signaling as the Key to Plant Growth, Resilience, and Stress Response. Int J Mol Sci 2023; 24:14406. [PMID: 37833854 PMCID: PMC10572113 DOI: 10.3390/ijms241914406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 09/14/2023] [Accepted: 09/18/2023] [Indexed: 10/15/2023] Open
Abstract
To effectively adapt to changing environments, plants must maintain a delicate balance between growth and resistance or tolerance to various stresses. Nitrate, a significant inorganic nitrogen source in soils, not only acts as an essential nutrient but also functions as a critical signaling molecule that regulates multiple aspects of plant growth and development. In recent years, substantial advancements have been made in understanding nitrate sensing, calcium-dependent nitrate signal transmission, and nitrate-induced transcriptional cascades. Mounting evidence suggests that the primary response to nitrate is influenced by environmental conditions, while nitrate availability plays a pivotal role in stress tolerance responses. Therefore, this review aims to provide an overview of the transcriptional and post-transcriptional regulation of key components in the nitrate signaling pathway, namely, NRT1.1, NLP7, and CIPK23, under abiotic stresses. Additionally, we discuss the specificity of nitrate sensing and signaling as well as the involvement of epigenetic regulators. A comprehensive understanding of the integration between nitrate signaling transduction and abiotic stress responses is crucial for developing future crops with enhanced nitrogen-use efficiency and heightened resilience.
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Affiliation(s)
- Yancong Jia
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, China Agricultural University, Beijing 100193, China;
| | - Debin Qin
- State Key Laboratory of Protein and Plant Gene Research, School of Life Sciences, Peking University, Beijing 100871, China;
| | - Yulu Zheng
- College of Biological Sciences, China Agricultural University, Beijing 100193, China;
| | - Yang Wang
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, China Agricultural University, Beijing 100193, China;
- College of Biological Sciences, China Agricultural University, Beijing 100193, China;
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Ren H, Zhang Y, Zhong M, Hussian J, Tang Y, Liu S, Qi G. Calcium signaling-mediated transcriptional reprogramming during abiotic stress response in plants. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2023; 136:210. [PMID: 37728763 DOI: 10.1007/s00122-023-04455-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Accepted: 08/28/2023] [Indexed: 09/21/2023]
Abstract
Calcium (Ca2+) is a second messenger in plants growth and development, as well as in stress responses. The transient elevation in cytosolic Ca2+ concentration have been reported to be involved in plants response to abiotic and biotic stresses. In plants, Ca2+-induced transcriptional changes trigger molecular mechanisms by which plants adapt and respond to environment stresses. The mechanism for transcription regulation by Ca2+ could be either rapid in which Ca2+ signals directly cause the related response through the gene transcript and protein activities, or involved amplification of Ca2+ signals by up-regulation the expression of Ca2+ responsive genes, and then increase the transmission of Ca2+ signals. Ca2+ regulates the expression of genes by directly binding to the transcription factors (TFs), or indirectly through its sensors like calmodulin, calcium-dependent protein kinases (CDPK) and calcineurin B-like protein (CBL). In recent years, significant progress has been made in understanding the role of Ca2+-mediated transcriptional regulation in different processes in plants. In this review, we have provided a comprehensive overview of Ca2+-mediated transcriptional regulation in plants in response to abiotic stresses including nutrition deficiency, temperature stresses (like heat and cold), dehydration stress, osmotic stress, hypoxic, salt stress, acid rain, and heavy metal stress.
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Affiliation(s)
- Huimin Ren
- State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Hangzhou, 311300, Zhejiang, China
| | - Yuting Zhang
- State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Hangzhou, 311300, Zhejiang, China
| | - Minyi Zhong
- State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Hangzhou, 311300, Zhejiang, China
| | - Jamshaid Hussian
- Department of Biotechnology, COMSATS University Islamabad, Abbottabad Campus, University Road, Abbottabad, 22060, Pakistan
| | - Yuting Tang
- State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Hangzhou, 311300, Zhejiang, China
| | - Shenkui Liu
- State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Hangzhou, 311300, Zhejiang, China.
| | - Guoning Qi
- State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Hangzhou, 311300, Zhejiang, China.
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12
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Li X, Tian Y. STOP1 and STOP1-like proteins, key transcription factors to cope with acid soil syndrome. FRONTIERS IN PLANT SCIENCE 2023; 14:1200139. [PMID: 37416880 PMCID: PMC10321353 DOI: 10.3389/fpls.2023.1200139] [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: 04/04/2023] [Accepted: 05/25/2023] [Indexed: 07/08/2023]
Abstract
Acid soil syndrome leads to severe yield reductions in various crops worldwide. In addition to low pH and proton stress, this syndrome includes deficiencies of essential salt-based ions, enrichment of toxic metals such as manganese (Mn) and aluminum (Al), and consequent phosphorus (P) fixation. Plants have evolved mechanisms to cope with soil acidity. In particular, STOP1 (Sensitive to proton rhizotoxicity 1) and its homologs are master transcription factors that have been intensively studied in low pH and Al resistance. Recent studies have identified additional functions of STOP1 in coping with other acid soil barriers: STOP1 regulates plant growth under phosphate (Pi) or potassium (K) limitation, promotes nitrate (NO3 -) uptake, confers anoxic tolerance during flooding, and inhibits drought tolerance, suggesting that STOP1 functions as a node for multiple signaling pathways. STOP1 is evolutionarily conserved in a wide range of plant species. This review summarizes the central role of STOP1 and STOP1-like proteins in regulating coexisting stresses in acid soils, outlines the advances in the regulation of STOP1, and highlights the potential of STOP1 and STOP1-like proteins to improve crop production on acid soils.
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Affiliation(s)
- Xinbo Li
- Hainan Yazhou Bay Seed Lab, Sanya, Hainan, China
- Center for Advanced Bioindustry Technologies, and Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Yifu Tian
- Hainan Yazhou Bay Seed Lab, Sanya, Hainan, China
- Center for Advanced Bioindustry Technologies, and Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
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13
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Liu L, Wu D, Gu Y, Liu F, Liu B, Mao F, Yi X, Tang T, Zhao X. Comprehensive profiling of alternative splicing landscape during secondary dormancy in oilseed rape ( Brassica napus L.). MOLECULAR BREEDING : NEW STRATEGIES IN PLANT IMPROVEMENT 2022; 42:44. [PMID: 37313517 PMCID: PMC10248609 DOI: 10.1007/s11032-022-01314-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 07/27/2022] [Indexed: 06/15/2023]
Abstract
Alternative splicing is a general mechanism that regulates gene expression at the post-transcriptional level, which increases the transcriptomic diversity. Oilseed rape (Brassica napus L.), one of the main oil crops worldwide, is prone to secondary dormancy. However, how alternative splicing landscape of oilseed rape seed changes in response to secondary dormancy is unknown. Here, we analyzed twelve RNA-seq libraries from varieties "Huaiyou-SSD-V1" and "Huaiyou-WSD-H2" which exhibited high (> 95%) and low (< 5%) secondary dormancy potential, respectively, and demonstrated that alternative splicing changes led to a significant increase with the diversity of the transcripts in response to secondary dormancy induction via polyethylene glycol 6000 (PEG6000) treatment. Among the four basic alternative splicing types, intron retention dominates, and exon skipping shows the rarest frequency. A total of 8% of expressed genes had two or more transcripts after PEG treatment. Further analysis revealed that global isoform expression percentage variations in alternative splicing in differently expressed genes (DEGs) is more than three times as much as those in non-DEGs, suggesting alternative splicing change is associated with the transcriptional activity change in response to secondary dormancy induction. Eventually, 342 differently spliced genes (DSGs) associated with secondary dormancy were identified, five of which were validated by RT-PCR. The number of the overlapped genes between DSGs and DEGs associated with secondary dormancy was much less than that of either DSGs or DEGs, suggesting that DSGs and DEGs may independently regulates secondary dormancy. Functional annotation analysis of DSGs revealed that spliceosome components are overrepresented among the DSGs, including small nuclear ribonucleoprotein particles (snRNPs), serine/arginine-rich (SR) proteins, and other splicing factors. Thus, it is proposed that the spliceosome components could be exploited to reduce secondary dormancy potential in oilseed rape. Supplementary Information The online version contains supplementary material available at 10.1007/s11032-022-01314-8.
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Affiliation(s)
- Lei Liu
- Jiangsu Key Laboratory for Eco-Agriculture Biotechnology Around Hongze Lake, Huaiyin Normal University, Huai’an, 223300 China
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture and Environment Protection, Huaiyin Normal University, Huai’an, 223300 China
| | - Depeng Wu
- Jiangsu Key Laboratory for Eco-Agriculture Biotechnology Around Hongze Lake, Huaiyin Normal University, Huai’an, 223300 China
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture and Environment Protection, Huaiyin Normal University, Huai’an, 223300 China
| | - Yujuan Gu
- Jiangsu Key Laboratory for Eco-Agriculture Biotechnology Around Hongze Lake, Huaiyin Normal University, Huai’an, 223300 China
- College of Marine Resources and Environment, Hebei Normal University of Science and Technology, Qinghuangdao, Hebei 066600 China
| | - Fuxia Liu
- Jiangsu Key Laboratory for Eco-Agriculture Biotechnology Around Hongze Lake, Huaiyin Normal University, Huai’an, 223300 China
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture and Environment Protection, Huaiyin Normal University, Huai’an, 223300 China
| | - Bin Liu
- Jiangsu Key Laboratory for Eco-Agriculture Biotechnology Around Hongze Lake, Huaiyin Normal University, Huai’an, 223300 China
| | - Feng Mao
- Jiangsu Key Laboratory for Eco-Agriculture Biotechnology Around Hongze Lake, Huaiyin Normal University, Huai’an, 223300 China
| | - Xin Yi
- Jiangsu Key Laboratory for Eco-Agriculture Biotechnology Around Hongze Lake, Huaiyin Normal University, Huai’an, 223300 China
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture and Environment Protection, Huaiyin Normal University, Huai’an, 223300 China
| | - Tang Tang
- Jiangsu Key Laboratory for Eco-Agriculture Biotechnology Around Hongze Lake, Huaiyin Normal University, Huai’an, 223300 China
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture and Environment Protection, Huaiyin Normal University, Huai’an, 223300 China
| | - Xiangxiang Zhao
- Jiangsu Key Laboratory for Eco-Agriculture Biotechnology Around Hongze Lake, Huaiyin Normal University, Huai’an, 223300 China
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture and Environment Protection, Huaiyin Normal University, Huai’an, 223300 China
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14
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Chen X, Guo HY, Zhang QY, Wang L, Guo R, Zhan YX, Lv P, Xu YP, Guo MB, Zhang Y, Zhang K, Liu YH, Yang M. Whole-genome resequencing of wild and cultivated cannabis reveals the genetic structure and adaptive selection of important traits. BMC PLANT BIOLOGY 2022; 22:371. [PMID: 35883045 PMCID: PMC9327241 DOI: 10.1186/s12870-022-03744-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Accepted: 06/27/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Cannabis is an important industrial crop species whose fibre, seeds, flowers and leaves are widely used by humans. The study of cannabinoids extracted from plants has been popular research topic in recent years. China is one of the origins of cannabis and one of the few countries with wild cannabis plants. However, the genetic structure of Chinese cannabis and the degree of adaptive selection remain unclear. RESULTS The main morphological characteristics of wild cannabis in China were assessed. Based on whole-genome resequencing SNPs, Chinese cannabis could be divided into five groups in terms of geographical source and ecotype: wild accessions growing in the northwestern region; wild accessions growing in the northeastern region; cultivated accessions grown for fibre in the northeastern region; cultivated accessions grown for seed in northwestern region, and cultivated accessions in southwestern region. We further identified genes related to flowering time, seed germination, seed size, embryogenesis, growth, and stress responses selected during the process of cannabis domestication. The expression of flowering-related genes under long-day (LD) and short-day (SD) conditions showed that Chinese cultivated cannabis is adapted to different photoperiods through the regulation of Flowering locus T-like (FT-like) expression. CONCLUSION This study clarifies the genetic structure of Chinese cannabis and offers valuable genomic resources for cannabis breeding.
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Affiliation(s)
- Xuan Chen
- Industrial Crops Research Institute, Yunnan Academy of Agricultural Sciences, Kunming, 650205 China
| | - Hong-Yan Guo
- Industrial Crops Research Institute, Yunnan Academy of Agricultural Sciences, Kunming, 650205 China
| | - Qing-Ying Zhang
- Industrial Crops Research Institute, Yunnan Academy of Agricultural Sciences, Kunming, 650205 China
| | - Lu Wang
- State Key Laboratory for Conservation, School of Life Sciences, Utilization of Bio-Resources in Yunnan, Yunnan University, Kunming, 650500 China
| | - Rong Guo
- Industrial Crops Research Institute, Yunnan Academy of Agricultural Sciences, Kunming, 650205 China
| | - Yi-Xun Zhan
- State Key Laboratory for Conservation, School of Life Sciences, Utilization of Bio-Resources in Yunnan, Yunnan University, Kunming, 650500 China
| | - Pin Lv
- Industrial Crops Research Institute, Yunnan Academy of Agricultural Sciences, Kunming, 650205 China
| | - Yan-Ping Xu
- Industrial Crops Research Institute, Yunnan Academy of Agricultural Sciences, Kunming, 650205 China
| | - Meng-Bi Guo
- Industrial Crops Research Institute, Yunnan Academy of Agricultural Sciences, Kunming, 650205 China
| | - Yuan Zhang
- Industrial Crops Research Institute, Yunnan Academy of Agricultural Sciences, Kunming, 650205 China
| | - Kun Zhang
- Industrial Crops Research Institute, Yunnan Academy of Agricultural Sciences, Kunming, 650205 China
| | - Yan-Hu Liu
- State Key Laboratory of Genetic Resources and Evolution, Yunnan Laboratory of Molecular Biology of Domestic Animals, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650223 China
| | - Ming Yang
- Industrial Crops Research Institute, Yunnan Academy of Agricultural Sciences, Kunming, 650205 China
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15
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Paz-Ares J, Puga MI, Rojas-Triana M, Martinez-Hevia I, Diaz S, Poza-Carrión C, Miñambres M, Leyva A. Plant adaptation to low phosphorus availability: Core signaling, crosstalks, and applied implications. MOLECULAR PLANT 2022; 15:104-124. [PMID: 34954444 DOI: 10.1016/j.molp.2021.12.005] [Citation(s) in RCA: 59] [Impact Index Per Article: 29.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 12/11/2021] [Accepted: 12/20/2021] [Indexed: 05/25/2023]
Abstract
Phosphorus (P) is an essential nutrient for plant growth and reproduction. Plants preferentially absorb P as orthophosphate (Pi), an ion that displays low solubility and that is readily fixed in the soil, making P limitation a condition common to many soils and Pi fertilization an inefficient practice. To cope with Pi limitation, plants have evolved a series of developmental and physiological responses, collectively known as the Pi starvation rescue system (PSR), aimed to improve Pi acquisition and use efficiency (PUE) and protect from Pi-starvation-induced stress. Intensive research has been carried out during the last 20 years to unravel the mechanisms underlying the control of the PSR in plants. Here we review the results of this research effort that have led to the identification and characterization of several core Pi starvation signaling components, including sensors, transcription factors, microRNAs (miRNAs) and miRNA inhibitors, kinases, phosphatases, and components of the proteostasis machinery. We also refer to recent results revealing the existence of intricate signaling interplays between Pi and other nutrients and antagonists, N, Fe, Zn, and As, that have changed the initial single-nutrient-centric view to a more integrated view of nutrient homeostasis. Finally, we discuss advances toward improving PUE and future research priorities.
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Affiliation(s)
- Javier Paz-Ares
- Department of Plant Molecular Genetics, Centro Nacional de Biotecnología (CNB-CSIC), Darwin 3, Campus Universidad Autónoma, 28049 Madrid, Spain.
| | - Maria Isabel Puga
- Department of Plant Molecular Genetics, Centro Nacional de Biotecnología (CNB-CSIC), Darwin 3, Campus Universidad Autónoma, 28049 Madrid, Spain
| | - Monica Rojas-Triana
- Department of Plant Molecular Genetics, Centro Nacional de Biotecnología (CNB-CSIC), Darwin 3, Campus Universidad Autónoma, 28049 Madrid, Spain
| | - Iris Martinez-Hevia
- Department of Plant Molecular Genetics, Centro Nacional de Biotecnología (CNB-CSIC), Darwin 3, Campus Universidad Autónoma, 28049 Madrid, Spain
| | - Sergio Diaz
- Department of Plant Molecular Genetics, Centro Nacional de Biotecnología (CNB-CSIC), Darwin 3, Campus Universidad Autónoma, 28049 Madrid, Spain
| | - Cesar Poza-Carrión
- Department of Plant Molecular Genetics, Centro Nacional de Biotecnología (CNB-CSIC), Darwin 3, Campus Universidad Autónoma, 28049 Madrid, Spain
| | - Miguel Miñambres
- Department of Plant Molecular Genetics, Centro Nacional de Biotecnología (CNB-CSIC), Darwin 3, Campus Universidad Autónoma, 28049 Madrid, Spain
| | - Antonio Leyva
- Department of Plant Molecular Genetics, Centro Nacional de Biotecnología (CNB-CSIC), Darwin 3, Campus Universidad Autónoma, 28049 Madrid, Spain
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16
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Wang ZF, Mi TW, Gao YQ, Feng HQ, Wu WH, Wang Y. STOP1 Regulates LKS1 Transcription and Coordinates K+/NH4+ Balance in Arabidopsis Response to Low-K+ Stress. Int J Mol Sci 2021; 23:ijms23010383. [PMID: 35008809 PMCID: PMC8745191 DOI: 10.3390/ijms23010383] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 12/23/2021] [Accepted: 12/27/2021] [Indexed: 11/16/2022] Open
Abstract
Potassium and nitrogen are essential mineral elements for plant growth and development. The protein kinase LKS1/CIPK23 is involved in both K+ and NH4+ uptake in Arabidopsis root. The transcripts of LKS1 can be induced by low K+ (0.1 mM) and high NH4+ (30 mM); however, the molecular mechanism is still unknown. In this study, we isolated the transcription factor STOP1 that positively regulates LKS1 transcription in Arabidopsis responses to both low-K+ and high-NH4+ stresses. STOP1 proteins can directly bind to the LKS1 promoter, promoting its transcription. The stop1 mutants displayed a leaf chlorosis phenotype similar to lks1 mutant when grown on low-K+ and high-NH4+ medium. On the other hand, STOP1 overexpressing plants exhibited a similar tolerant phenotype to LKS1 overexpressing plants. The transcript level of STOP1 was only upregulated by low K+ rather than high NH4+; however, the accumulation of STOP1 protein in the nucleus was required for the upregulation of LKS1 transcripts in both low-K+ and high-NH4+ responses. Our data demonstrate that STOP1 positively regulates LKS1 transcription under low-K+ and high-NH4+ conditions; therefore, LKS1 promotes K+ uptake and inhibits NH4+ uptake. The STOP1/LKS1 pathway plays crucial roles in K+ and NH4+ homeostasis, which coordinates potassium and nitrogen balance in plants in response to external fluctuating nutrient levels.
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17
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Agrahari RK, Enomoto T, Ito H, Nakano Y, Yanase E, Watanabe T, Sadhukhan A, Iuchi S, Kobayashi M, Panda SK, Yamamoto YY, Koyama H, Kobayashi Y. Expression GWAS of PGIP1 Identifies STOP1-Dependent and STOP1-Independent Regulation of PGIP1 in Aluminum Stress Signaling in Arabidopsis. FRONTIERS IN PLANT SCIENCE 2021; 12:774687. [PMID: 34975956 PMCID: PMC8719490 DOI: 10.3389/fpls.2021.774687] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/12/2021] [Accepted: 11/19/2021] [Indexed: 06/14/2023]
Abstract
To elucidate the unknown regulatory mechanisms involved in aluminum (Al)-induced expression of POLYGALACTURONASE-INHIBITING PROTEIN 1 (PGIP1), which is one of the downstream genes of SENSITIVE TO PROTON RHIZOTOXICITY 1 (STOP1) regulating Al-tolerance genes, we conducted a genome-wide association analysis of gene expression levels (eGWAS) of PGIP1 in the shoots under Al stress using 83 Arabidopsis thaliana accessions. The eGWAS, conducted through a mixed linear model, revealed 17 suggestive SNPs across the genome having the association with the expression level variation in PGIP1. The GWAS-detected SNPs were directly located inside transcription factors and other genes involved in stress signaling, which were expressed in response to Al. These candidate genes carried different expression level and amino acid polymorphisms. Among them, three genes encoding NAC domain-containing protein 27 (NAC027), TRX superfamily protein, and R-R-type MYB protein were associated with the suppression of PGIP1 expression in their mutants, and accordingly, the system affected Al tolerance. We also found the involvement of Al-induced endogenous nitric oxide (NO) signaling, which induces NAC027 and R-R-type MYB genes to regulate PGIP1 expression. In this study, we provide genetic evidence that STOP1-independent NO signaling pathway and STOP1-dependent regulation in phosphoinositide (PI) signaling pathway are involved in the regulation of PGIP1 expression under Al stress.
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Affiliation(s)
| | - Takuo Enomoto
- Faculty of Applied Biological Sciences, Gifu University, Gifu, Japan
| | - Hiroki Ito
- Faculty of Applied Biological Sciences, Gifu University, Gifu, Japan
| | - Yuki Nakano
- Faculty of Applied Biological Sciences, Gifu University, Gifu, Japan
| | - Emiko Yanase
- Faculty of Applied Biological Sciences, Gifu University, Gifu, Japan
| | | | - Ayan Sadhukhan
- Department of Biotechnology, Koneru Lakshmaiah Education Foundation, Guntur, India
| | - Satoshi Iuchi
- Experimental Plant Division, RIKEN BioResource Research Center, Tsukuba, Japan
| | - Masatomo Kobayashi
- Experimental Plant Division, RIKEN BioResource Research Center, Tsukuba, Japan
| | - Sanjib Kumar Panda
- Department of Biochemistry, Central University of Rajasthan, Ajmer, India
| | | | - Hiroyuki Koyama
- Faculty of Applied Biological Sciences, Gifu University, Gifu, Japan
| | - Yuriko Kobayashi
- Faculty of Applied Biological Sciences, Gifu University, Gifu, Japan
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18
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Ye JY, Tian WH, Zhou M, Zhu QY, Du WX, Zhu YX, Liu XX, Lin XY, Zheng SJ, Jin CW. STOP1 activates NRT1.1-mediated nitrate uptake to create a favorable rhizospheric pH for plant adaptation to acidity. THE PLANT CELL 2021; 33:3658-3674. [PMID: 34524462 PMCID: PMC8643680 DOI: 10.1093/plcell/koab226] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 09/06/2021] [Indexed: 05/31/2023]
Abstract
Protons (H+) in acidic soils arrest plant growth. However, the mechanisms by which plants optimize their biological processes to diminish the unfavorable effects of H+ stress remain largely unclear. Here, we showed that in the roots of Arabidopsis thaliana, the C2H2-type transcription factor STOP1 in the nucleus was enriched by low pH in a nitrate-independent manner, with the spatial expression pattern of NITRATE TRANSPORTER 1.1 (NRT1.1) established by low pH required the action of STOP1. Additionally, the nrt1.1 and stop1 mutants, as well as the nrt1.1 stop1 double mutant, had a similar hypersensitive phenotype to low pH, indicating that STOP1 and NRT1.1 function in the same pathway for H+ tolerance. Molecular assays revealed that STOP1 directly bound to the promoter of NRT1.1 to activate its transcription in response to low pH, thus upregulating its nitrate uptake. This action improved the nitrogen use efficiency (NUE) of plants and created a favorable rhizospheric pH for root growth by enhancing H+ depletion in the rhizosphere. Consequently, the constitutive expression of NRT1.1 in stop1 mutants abolished the hypersensitive phenotype to low pH. These results demonstrate that STOP1-NRT1.1 is a key module for plants to optimize NUE and ensure better plant growth in acidic media.
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Affiliation(s)
- Jia Yuan Ye
- State Key Laboratory of Plant Physiology and Biochemistry, College of Natural Resources and Environmental Science, Zhejiang University, Hangzhou 310058, China
| | - Wen Hao Tian
- State Key Laboratory of Plant Physiology and Biochemistry, College of Life Science, Zhejiang University, Hangzhou 310058, China
| | - Miao Zhou
- State Key Laboratory of Plant Physiology and Biochemistry, College of Natural Resources and Environmental Science, Zhejiang University, Hangzhou 310058, China
| | - Qing Yang Zhu
- State Key Laboratory of Plant Physiology and Biochemistry, College of Natural Resources and Environmental Science, Zhejiang University, Hangzhou 310058, China
| | - Wen Xin Du
- State Key Laboratory of Plant Physiology and Biochemistry, College of Natural Resources and Environmental Science, Zhejiang University, Hangzhou 310058, China
| | - Ya Xin Zhu
- State Key Laboratory of Plant Physiology and Biochemistry, College of Natural Resources and Environmental Science, Zhejiang University, Hangzhou 310058, China
| | - Xing Xing Liu
- State Key Laboratory of Plant Physiology and Biochemistry, College of Natural Resources and Environmental Science, Zhejiang University, Hangzhou 310058, China
| | - Xian Yong Lin
- State Key Laboratory of Plant Physiology and Biochemistry, College of Natural Resources and Environmental Science, Zhejiang University, Hangzhou 310058, China
| | - Shao Jian Zheng
- State Key Laboratory of Plant Physiology and Biochemistry, College of Life Science, Zhejiang University, Hangzhou 310058, China
| | - Chong Wei Jin
- State Key Laboratory of Plant Physiology and Biochemistry, College of Natural Resources and Environmental Science, Zhejiang University, Hangzhou 310058, China
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19
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Koyama H, Wu L, Agrahari RK, Kobayashi Y. STOP1 regulatory system: Centered on multiple stress tolerance and cellular nutrient management. MOLECULAR PLANT 2021; 14:1615-1617. [PMID: 34438056 DOI: 10.1016/j.molp.2021.08.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 08/18/2021] [Accepted: 08/18/2021] [Indexed: 05/29/2023]
Affiliation(s)
- Hiroyuki Koyama
- Applied Biological Sciences, Gifu University, 501-1193 Gifu, Japan.
| | - Liujie Wu
- Applied Biological Sciences, Gifu University, 501-1193 Gifu, Japan
| | | | - Yuriko Kobayashi
- Applied Biological Sciences, Gifu University, 501-1193 Gifu, Japan
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20
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Sadhukhan A, Kobayashi Y, Iuchi S, Koyama H. Synergistic and antagonistic pleiotropy of STOP1 in stress tolerance. TRENDS IN PLANT SCIENCE 2021; 26:1014-1022. [PMID: 34253485 DOI: 10.1016/j.tplants.2021.06.011] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Revised: 06/15/2021] [Accepted: 06/17/2021] [Indexed: 05/29/2023]
Abstract
SENSITIVE TO PROTON RHIZOTOXICITY 1 (STOP1) is a master transcription factor (TF) that regulates genes encoding proteins critical for cellular pH homeostasis. STOP1 also causes pleiotropic effects in both roots and shoots associated with various stress tolerances. STOP1-regulated genes in roots synergistically confer tolerance to coexisting stress factors in acid soil, and root-architecture remodeling for superior phosphorus acquisition. Additionally, STOP1 confers salt tolerance to roots under low-potassium conditions. By contrast, STOP1 antagonistically functions in shoots to promote hypoxia tolerance but to suppress drought tolerance. In this review, we discuss how these synergetic- and antagonistic-pleiotropic effects indicate that STOP1 is a central hub of stress regulation and that the harmonization of STOP1-regulated traits is essential for plant adaptation to various environments.
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Affiliation(s)
- Ayan Sadhukhan
- Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Yuriko Kobayashi
- Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Satoshi Iuchi
- Experimental Plant Division, RIKEN Bioresource Research Center, 3-1-1 Koyadai, Tsukuba, 305-0074, Japan
| | - Hiroyuki Koyama
- Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan.
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21
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Tian WH, Ye JY, Cui MQ, Chang JB, Liu Y, Li GX, Wu YR, Xu JM, Harberd NP, Mao CZ, Jin CW, Ding ZJ, Zheng SJ. A transcription factor STOP1-centered pathway coordinates ammonium and phosphate acquisition in Arabidopsis. MOLECULAR PLANT 2021; 14:1554-1568. [PMID: 34216828 DOI: 10.1016/j.molp.2021.06.024] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 03/24/2021] [Accepted: 06/24/2021] [Indexed: 05/21/2023]
Abstract
Phosphorus (P) is an indispensable macronutrient required for plant growth and development. Natural phosphate (Pi) reserves are finite, and a better understanding of Pi utilization by crops is therefore vital for worldwide food security. Ammonium has long been known to enhance Pi acquisition efficiency in agriculture; however, the molecular mechanisms coordinating Pi nutrition and ammonium remains unclear. Here, we reveal that ammonium is a novel initiator that stimulates the accumulation of a key regulatory protein, STOP1, in the nuclei of Arabidopsis root cells under Pi deficiency. We show that Pi deficiency promotes ammonium uptake mediated by AMT1 transporters and causes rapid acidification of the root surface. Rhizosphere acidification-triggered STOP1 accumulation activates the excretion of organic acids, which help to solubilize Pi from insoluble iron or calcium phosphates. Ammonium uptake by AMT1 transporters is downregulated by a CIPK23 protein kinase whose expression is directly modulated by STOP1 when ammonium reaches toxic levels. Taken together, we have identified a STOP1-centered regulatory network that links external ammonium with efficient Pi acquisition from insoluble phosphate sources. These findings provide a framework for developing possible strategies to improve crop production by enhancing the utilization of non-bioavailable nutrients in soil.
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Affiliation(s)
- Wen Hao Tian
- State Key Laboratory of Plant Physiology and Biochemistry, College of Life Science, Zhejiang University, Hangzhou 310058, China
| | - Jia Yuan Ye
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310038, China
| | - Meng Qi Cui
- State Key Laboratory of Plant Physiology and Biochemistry, College of Life Science, Zhejiang University, Hangzhou 310058, China
| | - Jun Bo Chang
- State Key Laboratory of Plant Physiology and Biochemistry, College of Life Science, Zhejiang University, Hangzhou 310058, China
| | - Yu Liu
- State Key Laboratory of Plant Physiology and Biochemistry, College of Life Science, Zhejiang University, Hangzhou 310058, China
| | - Gui Xin Li
- College of Agronomy and Biotechnology, Zhejiang University, Hangzhou 310038, China
| | - Yun Rong Wu
- State Key Laboratory of Plant Physiology and Biochemistry, College of Life Science, Zhejiang University, Hangzhou 310058, China
| | - Ji Ming Xu
- State Key Laboratory of Plant Physiology and Biochemistry, College of Life Science, Zhejiang University, Hangzhou 310058, China
| | | | - Chuan Zao Mao
- State Key Laboratory of Plant Physiology and Biochemistry, College of Life Science, Zhejiang University, Hangzhou 310058, China
| | - Chong Wei Jin
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310038, China
| | - Zhong Jie Ding
- State Key Laboratory of Plant Physiology and Biochemistry, College of Life Science, Zhejiang University, Hangzhou 310058, China
| | - Shao Jian Zheng
- State Key Laboratory of Plant Physiology and Biochemistry, College of Life Science, Zhejiang University, Hangzhou 310058, China; Guangdong Laboratory for Lingnan Modern Agriculture, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 5100642, China.
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22
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Fang Q, Zhou F, Zhang Y, Singh S, Huang CF. Degradation of STOP1 mediated by the F-box proteins RAH1 and RAE1 balances aluminum resistance and plant growth in Arabidopsis thaliana. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2021; 106:493-506. [PMID: 33528836 DOI: 10.1111/tpj.15181] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2020] [Revised: 01/17/2021] [Accepted: 01/26/2021] [Indexed: 05/21/2023]
Abstract
The C2H2-type zinc finger transcription factor sensitive to proton rhizotoxicity 1 (STOP1) is crucial for aluminum (Al) resistance in Arabidopsis. The F-box protein Regulation of AtALMT1 Expression 1 (RAE1) was recently reported to regulate the stability of STOP1. There is a unique homolog of RAE1, RAH1 (RAE1 homolog 1), in Arabidopsis, but the biological function of RAH1 is still not known. In this study, we characterize the role of RAH1 and/or RAE1 in the regulation of Al resistance and plant growth. We demonstrate that RAH1 can directly interact with STOP1 and promote its ubiquitination and degradation. RAH1 is preferentially expressed in root caps and various vascular tissues, and its expression is induced by Al and controlled by STOP1. Mutation of RAH1 in rae1 but not the wild-type (WT) background increases the level of STOP1 protein, leading to increased expression of STOP1-regulated genes and enhanced Al resistance. Interestingly, the rah1rae1 double mutant shows reduced plant growth compared with the WT and single mutants under normal conditions, and introduction of stop1 mutation into the double mutant background can rescue its reduced plant growth phenotype. Our results thus reveal that RAH1 plays an unequally redundant role with RAE1 in the modulation of STOP1 stability and plant growth, and dynamic regulation of the STOP1 level is critical for the balance of Al resistance and normal plant growth.
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Affiliation(s)
- Qiu Fang
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China
- Shanghai Center for Plant Stress Biology and National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 200032, China
| | - Fanglin Zhou
- Shanghai Center for Plant Stress Biology and National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 200032, China
- University of the Chinese Academy of Sciences, Beijing, 100049, China
| | - Yang Zhang
- Shanghai Center for Plant Stress Biology and National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 200032, China
| | - Somesh Singh
- Shanghai Center for Plant Stress Biology and National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 200032, China
| | - Chao-Feng Huang
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China
- Shanghai Center for Plant Stress Biology and National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 200032, China
- University of the Chinese Academy of Sciences, Beijing, 100049, China
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23
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Shi S, An L, Mao J, Aluko OO, Ullah Z, Xu F, Liu G, Liu H, Wang Q. The CBL-Interacting Protein Kinase NtCIPK23 Positively Regulates Seed Germination and Early Seedling Development in Tobacco ( Nicotiana tabacum L.). PLANTS 2021; 10:plants10020323. [PMID: 33567573 PMCID: PMC7915007 DOI: 10.3390/plants10020323] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 01/31/2021] [Accepted: 02/03/2021] [Indexed: 12/31/2022]
Abstract
CBL-interacting protein kinase (CIPK) family is a unique group of serine/threonine protein kinase family identified in plants. Among this family, AtCIPK23 and its homologs in some plants are taken as a notable group for their importance in ions transport and stress responses. However, there are limited reports on their roles in seedling growth and development, especially in Solanaceae plants. In this study, NtCIPK23, a homolog of AtCIPK23 was cloned from Nicotiana tabacum. Expression analysis showed that NtCIPK23 is mainly expressed in the radicle, hypocotyl, and cotyledons of young tobacco seedlings. The transcriptional level of NtCIPK23 changes rapidly and spatiotemporally during seed germination and early seedling growth. To study the biological function of NtCIPK23 at these stages, the overexpressing and CRISPR/Cas9-mediated knock-out (ntcipk23) tobacco lines were generated. Phenotype analysis indicated that knock-out of NtCIPK23 significantly delays seed germination and the appearance of green cotyledon of young tobacco seedling. Overexpression of NtCIPK23 promotes cotyledon expansion and hypocotyl elongation of young tobacco seedlings. The expression of NtCIPK23 in hypocotyl is strongly upregulated by darkness and inhibited under light, suggesting that a regulatory mechanism of light might underlie. Consistently, a more obvious difference in hypocotyl length among different tobacco materials was observed in the dark, compared to that under the light, indicating that the upregulation of NtCIPK23 contributes greatly to the hypocotyl elongation. Taken together, NtCIPK23 not only enhances tobacco seed germination, but also accelerate early seedling growth by promoting cotyledon greening rate, cotyledon expansion and hypocotyl elongation of young tobacco seedlings.
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Affiliation(s)
- Sujuan Shi
- Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao 266101, China; (S.S.); (L.A.); (J.M.); (O.O.A.); (Z.U.); (F.X.); (G.L.)
- Graduate School of Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, China
- Technology Center, Shanghai Tobacco Co., Ltd., Beijing 101121, China
| | - Lulu An
- Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao 266101, China; (S.S.); (L.A.); (J.M.); (O.O.A.); (Z.U.); (F.X.); (G.L.)
- Graduate School of Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, China
| | - Jingjing Mao
- Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao 266101, China; (S.S.); (L.A.); (J.M.); (O.O.A.); (Z.U.); (F.X.); (G.L.)
- Graduate School of Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, China
| | - Oluwaseun Olayemi Aluko
- Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao 266101, China; (S.S.); (L.A.); (J.M.); (O.O.A.); (Z.U.); (F.X.); (G.L.)
- Graduate School of Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, China
| | - Zia Ullah
- Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao 266101, China; (S.S.); (L.A.); (J.M.); (O.O.A.); (Z.U.); (F.X.); (G.L.)
- Graduate School of Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, China
| | - Fangzheng Xu
- Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao 266101, China; (S.S.); (L.A.); (J.M.); (O.O.A.); (Z.U.); (F.X.); (G.L.)
- Graduate School of Chinese Academy of Agricultural Sciences (CAAS), Beijing 100081, China
| | - Guanshan Liu
- Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao 266101, China; (S.S.); (L.A.); (J.M.); (O.O.A.); (Z.U.); (F.X.); (G.L.)
| | - Haobao Liu
- Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao 266101, China; (S.S.); (L.A.); (J.M.); (O.O.A.); (Z.U.); (F.X.); (G.L.)
- Correspondence: (H.L.); (Q.W.); Tel.: +86-0532-8870-1031 (H.L. & Q.W.)
| | - Qian Wang
- Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao 266101, China; (S.S.); (L.A.); (J.M.); (O.O.A.); (Z.U.); (F.X.); (G.L.)
- Correspondence: (H.L.); (Q.W.); Tel.: +86-0532-8870-1031 (H.L. & Q.W.)
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24
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Barros VA, Chandnani R, de Sousa SM, Maciel LS, Tokizawa M, Guimaraes CT, Magalhaes JV, Kochian LV. Root Adaptation via Common Genetic Factors Conditioning Tolerance to Multiple Stresses for Crops Cultivated on Acidic Tropical Soils. FRONTIERS IN PLANT SCIENCE 2020; 11:565339. [PMID: 33281841 PMCID: PMC7688899 DOI: 10.3389/fpls.2020.565339] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2020] [Accepted: 10/20/2020] [Indexed: 06/01/2023]
Abstract
Crop tolerance to multiple abiotic stresses has long been pursued as a Holy Grail in plant breeding efforts that target crop adaptation to tropical soils. On tropical, acidic soils, aluminum (Al) toxicity, low phosphorus (P) availability and drought stress are the major limitations to yield stability. Molecular breeding based on a small suite of pleiotropic genes, particularly those with moderate to major phenotypic effects, could help circumvent the need for complex breeding designs and large population sizes aimed at selecting transgressive progeny accumulating favorable alleles controlling polygenic traits. The underlying question is twofold: do common tolerance mechanisms to Al toxicity, P deficiency and drought exist? And if they do, will they be useful in a plant breeding program that targets stress-prone environments. The selective environments in tropical regions are such that multiple, co-existing regulatory networks may drive the fixation of either distinctly different or a smaller number of pleiotropic abiotic stress tolerance genes. Recent studies suggest that genes contributing to crop adaptation to acidic soils, such as the major Arabidopsis Al tolerance protein, AtALMT1, which encodes an aluminum-activated root malate transporter, may influence both Al tolerance and P acquisition via changes in root system morphology and architecture. However, trans-acting elements such as transcription factors (TFs) may be the best option for pleiotropic control of multiple abiotic stress genes, due to their small and often multiple binding sequences in the genome. One such example is the C2H2-type zinc finger, AtSTOP1, which is a transcriptional regulator of a number of Arabidopsis Al tolerance genes, including AtMATE and AtALMT1, and has been shown to activate AtALMT1, not only in response to Al but also low soil P. The large WRKY family of transcription factors are also known to affect a broad spectrum of phenotypes, some of which are related to acidic soil abiotic stress responses. Hence, we focus here on signaling proteins such as TFs and protein kinases to identify, from the literature, evidence for unifying regulatory networks controlling Al tolerance, P efficiency and, also possibly drought tolerance. Particular emphasis will be given to modification of root system morphology and architecture, which could be an important physiological "hub" leading to crop adaptation to multiple soil-based abiotic stress factors.
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Affiliation(s)
- Vanessa A. Barros
- Embrapa Maize and Sorghum, Sete Lagoas, Brazil
- Departamento de Biologia Geral, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Rahul Chandnani
- Global Institute for Food Security, University of Saskatchewan, Saskatoon, SK, Canada
| | | | - Laiane S. Maciel
- Embrapa Maize and Sorghum, Sete Lagoas, Brazil
- Global Institute for Food Security, University of Saskatchewan, Saskatoon, SK, Canada
| | - Mutsutomo Tokizawa
- Global Institute for Food Security, University of Saskatchewan, Saskatoon, SK, Canada
| | | | - Jurandir V. Magalhaes
- Embrapa Maize and Sorghum, Sete Lagoas, Brazil
- Departamento de Biologia Geral, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Leon V. Kochian
- Global Institute for Food Security, University of Saskatchewan, Saskatoon, SK, Canada
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25
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Aluminum-Specific Upregulation of GmALS3 in the Shoots of Soybeans: A Potential Biomarker for Managing Soybean Production in Acidic Soil Regions. AGRONOMY-BASEL 2020. [DOI: 10.3390/agronomy10091228] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Aluminum (Al) toxicity in acidic soils is a global agricultural problem that limits crop productivity through the inhibition of root growth. However, poor management associated with the application of soil acidity amendments such as lime (CaCO3) in certain crop types can pose a threat to low-input farming practices. Accordingly, it is important to develop appropriate techniques for the management of crop production in acidic soils. In this study, we identified ALS3 (ALUMINUM SENSITIVE 3) in soybeans (Glycine max, cultivar Toyomasari), which is highly expressed in the shoot under Al stress. GmALS3 (Glyma.10G047100) expression was found to be Al-specific under various stress conditions. We analyzed GmALS3 expression in the shoots of soybean plants grown in two different types of acidic soils (artificial and natural acidic soil) with different levels of liming and found that GmALS3 expression was suppressed with levels of liming that have been shown to eliminate soil Al3+ toxicity. Using soybeans as a model, we identified a potential biomarker that could indicate Al toxicity and appropriate liming levels for soybeans cultivated in acidic soils.
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26
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Nakano Y, Kusunoki K, Hoekenga OA, Tanaka K, Iuchi S, Sakata Y, Kobayashi M, Yamamoto YY, Koyama H, Kobayashi Y. Genome-Wide Association Study and Genomic Prediction Elucidate the Distinct Genetic Architecture of Aluminum and Proton Tolerance in Arabidopsis thaliana. FRONTIERS IN PLANT SCIENCE 2020; 11:405. [PMID: 32328080 PMCID: PMC7160251 DOI: 10.3389/fpls.2020.00405] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Accepted: 03/20/2020] [Indexed: 05/27/2023]
Abstract
Under acid soil conditions, Al stress and proton stress can occur, reducing root growth and function. However, these stressors are distinct, and tolerance to each is governed by multiple physiological processes. To better understand the genes that underlie these coincidental but experimentally separable stresses, a genome-wide association study (GWAS) and genomic prediction (GP) models were created for approximately 200 diverse Arabidopsis thaliana accessions. GWAS and genomic prediction identified 140/160 SNPs associated with Al and proton tolerance, respectively, which explained approximately 70% of the variance observed. Reverse genetics of the genes in loci identified novel Al and proton tolerance genes, including TON1-RECRUITING MOTIF 28 (AtTRM28) and THIOREDOXIN H-TYPE 1 (AtTRX1), as well as genes known to be associated with tolerance, such as the Al-activated malate transporter, AtALMT1. Additionally, variation in Al tolerance was partially explained by expression level polymorphisms of AtALMT1 and AtTRX1 caused by cis-regulatory allelic variation. These results suggest that we successfully identified the loci that regulate Al and proton tolerance. Furthermore, very small numbers of loci were shared by Al and proton tolerance as determined by the GWAS. There were substantial differences between the phenotype predicted by genomic prediction and the observed phenotype for Al tolerance. This suggested that the GWAS-undetectable genetic factors (e.g., rare-allele mutations) contributing to the variation of tolerance were more important for Al tolerance than for proton tolerance. This study provides important new insights into the genetic architecture that produces variation in the tolerance of acid soil.
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Affiliation(s)
- Yuki Nakano
- Faculty of Applied Biological Sciences, Gifu University, Gifu, Japan
| | - Kazutaka Kusunoki
- Faculty of Applied Biological Sciences, Gifu University, Gifu, Japan
| | | | - Keisuke Tanaka
- NODAI Genome Research Center, Tokyo University of Agriculture, Tokyo, Japan
| | - Satoshi Iuchi
- Experimental Plant Division, RIKEN BioResource Research Center, Tsukuba, Japan
| | - Yoichi Sakata
- Department of Bioscience, Tokyo University of Agriculture, Tokyo, Japan
| | - Masatomo Kobayashi
- Experimental Plant Division, RIKEN BioResource Research Center, Tsukuba, Japan
| | | | - Hiroyuki Koyama
- Faculty of Applied Biological Sciences, Gifu University, Gifu, Japan
| | - Yuriko Kobayashi
- Faculty of Applied Biological Sciences, Gifu University, Gifu, Japan
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27
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Ojeda-Rivera JO, Oropeza-Aburto A, Herrera-Estrella L. Dissection of Root Transcriptional Responses to Low pH, Aluminum Toxicity and Iron Excess Under Pi-Limiting Conditions in Arabidopsis Wild-Type and stop1 Seedlings. FRONTIERS IN PLANT SCIENCE 2020; 11:01200. [PMID: 33133111 PMCID: PMC7550639 DOI: 10.3389/fpls.2020.01200] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Accepted: 07/23/2020] [Indexed: 05/10/2023]
Abstract
Acidic soils constrain plant growth and development in natural and agricultural ecosystems because of the combination of multiple stress factors including high levels of Fe3+, toxic levels of Al3+, low phosphate (Pi) availability and proton rhizotoxicity. The transcription factor SENSITIVE TO PROTON RHIZOTOXICITY (STOP1) has been reported to underlie root adaptation to low pH, Al3+ toxicity and low Pi availability by activating the expression of genes involved in organic acid exudation, regulation of pH homeostasis, Al3+ detoxification and root architecture remodeling in Arabidopsis thaliana. However, the mechanisms by which STOP1 integrates these environmental signals to trigger adaptive responses to variable conditions in acidic soils remain to be unraveled. It is unknown whether STOP1 activates the expression of a single set of genes that enables root adaptation to acidic soils or multiple gene sets depending on the combination of different types of stress present in acidic soils. Previous transcriptomic studies of stop1 mutants and wild-type plants analyzed the effect of individual types of stress prevalent in acidic soils. An integrative study of the transcriptional regulation pathways that are activated by STOP1 under the combination of major stresses common in acidic soils is lacking. Using RNA-seq, we performed a transcriptional dissection of wild-type and stop1 root responses, individually or in combination, to toxic levels of Al3+, low Pi availability, low pH and Fe excess. We show that the level of STOP1 is post-transcriptionally and coordinately upregulated in the roots of seedlings exposed to single or combined stress factors. The accumulation of STOP1 correlates with the transcriptional activation of stress-specific and common gene sets that are activated in the roots of wild-type seedlings but not in stop1. Our data indicate that perception of low Pi availability, low pH, Fe excess and Al toxicity converges at two levels via STOP1 signaling: post-translationally through the regulation of STOP1 turnover, and transcriptionally, via the activation of STOP1-dependent gene expression that enables the root to better adapt to abiotic stress factors present in acidic soils.
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Affiliation(s)
- Jonathan Odilón Ojeda-Rivera
- Laboratorio Nacional de Genómica para la Biodiversidad (UGA) del Centro de Investigación y de Estudios Avanzados del IPN, Irapuato, México
| | - Araceli Oropeza-Aburto
- Laboratorio Nacional de Genómica para la Biodiversidad (UGA) del Centro de Investigación y de Estudios Avanzados del IPN, Irapuato, México
| | - Luis Herrera-Estrella
- Laboratorio Nacional de Genómica para la Biodiversidad (UGA) del Centro de Investigación y de Estudios Avanzados del IPN, Irapuato, México
- Plant and Soil Science Department, Institute of Genomics for Crop Abiotic Stress Tolerance, Texas Tech University, Lubbock, TX, United States
- *Correspondence: Luis Herrera-Estrella, ;
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28
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Nieves-Cordones M, García-Sánchez F, Pérez-Pérez JG, Colmenero-Flores JM, Rubio F, Rosales MA. Coping With Water Shortage: An Update on the Role of K +, Cl -, and Water Membrane Transport Mechanisms on Drought Resistance. FRONTIERS IN PLANT SCIENCE 2019; 10:1619. [PMID: 31921262 PMCID: PMC6934057 DOI: 10.3389/fpls.2019.01619] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Accepted: 11/18/2019] [Indexed: 05/21/2023]
Abstract
Drought is now recognized as the abiotic stress that causes most problems in agriculture, mainly due to the strong water demand from intensive culture and the effects of climate change, especially in arid/semi-arid areas. When plants suffer from water deficit (WD), a plethora of negative physiological alterations such as cell turgor loss, reduction of CO2 net assimilation rate, oxidative stress damage, and nutritional imbalances, among others, can lead to a decrease in the yield production and loss of commercial quality. Nutritional imbalances in plants grown under drought stress occur by decreasing water uptake and leaf transpiration, combined by alteration of nutrient uptake and long-distance transport processes. Plants try to counteract these effects by activating drought resistance mechanisms. Correct accumulation of salts and water constitutes an important portion of these mechanisms, in particular of those related to the cell osmotic adjustment and function of stomata. In recent years, molecular insights into the regulation of K+, Cl-, and water transport under drought have been gained. Therefore, this article brings an update on this topic. Moreover, agronomical practices that ameliorate drought symptoms of crops by improving nutrient homeostasis will also be presented.
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Affiliation(s)
- Manuel Nieves-Cordones
- Departamento de Nutrición Vegetal, Centro de Edafología y Biología Aplicada del Segura–CSIC, Murcia, Spain
- *Correspondence: Manuel Nieves-Cordones,
| | - Francisco García-Sánchez
- Departamento de Nutrición Vegetal, Centro de Edafología y Biología Aplicada del Segura–CSIC, Murcia, Spain
| | - Juan G. Pérez-Pérez
- Centro para el Desarrollo de la Agricultura Sostenible (CDAS), Instituto Valenciano de Investigaciones Agrarias (IVIA), Valencia, Spain
| | - Jose M. Colmenero-Flores
- Instituto de Recursos Naturales y Agrobiología, Spanish National Research Council (CSIC), Sevilla, Spain
| | - Francisco Rubio
- Departamento de Nutrición Vegetal, Centro de Edafología y Biología Aplicada del Segura–CSIC, Murcia, Spain
| | - Miguel A. Rosales
- Instituto de Recursos Naturales y Agrobiología, Spanish National Research Council (CSIC), Sevilla, Spain
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