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Jaskolowski A, Poirier Y. Phosphate deficiency increases plant susceptibility to Botrytis cinerea infection by inducing the abscisic acid pathway. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2024; 119:828-843. [PMID: 38804074 DOI: 10.1111/tpj.16800] [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: 10/04/2023] [Accepted: 04/18/2024] [Indexed: 05/29/2024]
Abstract
Plants have evolved finely regulated defense systems to counter biotic and abiotic threats. In the natural environment, plants are typically challenged by simultaneous stresses and, amid such conditions, crosstalk between the activated signaling pathways becomes evident, ultimately altering the outcome of the defense response. As an example of combined biotic and abiotic stresses, inorganic phosphate (Pi) deficiency, common in natural and agricultural environments, can occur along with attack by the fungus Botrytis cinerea, a devastating necrotrophic generalist pathogen responsible for massive crop losses. We report that Pi deficiency in Arabidopsis thaliana increases its susceptibility to infection by B. cinerea by influencing the early stages of pathogen infection, namely spore adhesion and germination on the leaf surface. Remarkably, Pi-deficient plants are more susceptible to B. cinerea despite displaying the appropriate activation of the jasmonic acid and ethylene signaling pathways, as well as producing secondary defense metabolites and reactive oxygen species. Conversely, the callose deposition in response to B. cinerea infection is compromised under Pi-deficient conditions. The levels of abscisic acid (ABA) are increased in Pi-deficient plants, and the heightened susceptibility to B. cinerea observed under Pi deficiency can be reverted by blocking ABA biosynthesis. Furthermore, high level of leaf ABA induced by overexpression of NCED6 in Pi-sufficient plants also resulted in greater susceptibility to B. cinerea infection associated with increased spore adhesion and germination, and reduced callose deposition. Our findings reveal a link between the enhanced accumulation of ABA induced by Pi deficiency and an increased sensitivity to B. cinerea infection.
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Affiliation(s)
- Aime Jaskolowski
- Department of Plant Molecular Biology, University of Lausanne, 1015, Lausanne, Switzerland
| | - Yves Poirier
- Department of Plant Molecular Biology, University of Lausanne, 1015, Lausanne, Switzerland
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2
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Tang R, Yang Y, Ji C, Su Y, Jiao B, Yuan B, Yang X, Xi D. MiR827 positively regulates the resistance to chilli veinal mottle virus by affecting the expression of FBPase in Nicotiana benthamiana. PHYSIOLOGIA PLANTARUM 2024; 176:e14375. [PMID: 38837224 DOI: 10.1111/ppl.14375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Revised: 04/23/2024] [Accepted: 05/15/2024] [Indexed: 06/07/2024]
Abstract
MicroRNA(miRNA) is a class of non-coding small RNA that plays an important role in plant growth, development, and response to environmental stresses. Unlike most miRNAs, which usually target homologous genes across a variety of species, miR827 targets different types of genes in different species. Research on miR827 mainly focuses on its role in regulating phosphate (Pi) homeostasis of plants, however, little is known about its function in plant response to virus infection. In the present study, miR827 was significantly upregulated in the recovery tissue of virus-infected Nicotiana tabacum. Overexpression of miR827 could improve plants resistance to the infection of chilli veinal mottle virus (ChiVMV) in Nicotiana benthamiana, whereas interference of miR827 increased the susceptibility of the virus-infected plants. Further experiments indicated that the antiviral defence regulated by miR827 was associated with the reactive oxygen species and salicylic acid signalling pathways. Then, fructose-1,6-bisphosphatase (FBPase) was identified to be a target of miR827, and virus infection could affect the expression of FBPase. Finally, transient expression of FBPase increased the susceptibility to ChiVMV-GFP infection in N. benthamiana. By contrast, silencing of FBPase increased plant resistance. Taken together, our results demonstrate that miR827 plays a positive role in tobacco response to virus infection, thus providing new insights into understanding the role of miR827 in plant-virus interaction.
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Affiliation(s)
- Rongxia Tang
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, Sichuan, P.R. China
| | - Yufan Yang
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, Sichuan, P.R. China
| | - Chenglong Ji
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, Sichuan, P.R. China
| | - Yanshan Su
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, Sichuan, P.R. China
| | - Bolei Jiao
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, Sichuan, P.R. China
| | - Bowen Yuan
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, Sichuan, P.R. China
| | - Xiaoya Yang
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, Sichuan, P.R. China
| | - Dehui Xi
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, Sichuan, P.R. China
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Jia J, Luo Y, Wu Z, Ji Y, Liu S, Shu J, Chen B, Liu J. OsJMJ718, a histone demethylase gene, positively regulates seed germination in rice. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2024; 118:191-202. [PMID: 38116956 DOI: 10.1111/tpj.16600] [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: 07/15/2023] [Revised: 11/27/2023] [Accepted: 12/09/2023] [Indexed: 12/21/2023]
Abstract
Seed vigor has major impact on the rate and uniformity of seedling growth, crop yield, and quality. However, the epigenetic regulatory mechanism of crop seed vigor remains unclear. In this study, a (jumonji C) JmjC gene of the histone lysine demethylase OsJMJ718 was cloned in rice, and its roles in seed germination and its epigenetic regulation mechanism were investigated. OsJMJ718 was located in the nucleus and was engaged in H3K9 methylation. Histochemical GUS staining analysis revealed OsJMJ718 was highly expressed in seed embryos. Abiotic stress strongly induced the OsJMJ718 transcriptional accumulation level. Germination percentage and seedling vigor index of OsJMJ718 knockout lines (OsJMJ718-CR) were lower than those of the wild type (WT). Chromatin immunoprecipitation followed by sequencing (ChIP-seq) of seeds imbibed for 24 h showed an increase in H3K9me3 deposition of thousands of genes in OsJMJ718-CR. ChIP-seq results and transcriptome analysis showed that differentially expressed genes were enriched in ABA and ethylene signal transduction pathways. The content of ABA in OsJMJ718-CR was higher than that in WT seeds. OsJMJ718 overexpression enhanced sensitivity to ABA during germination and early seedling growth. In the seed imbibition stage, ABA and ethylene content diminished and augmented, separately, suggesting that OsJMJ718 may adjust rice seed germination through the ABA and ethylene signal transduction pathways. This study displayed the important function of OsJMJ718 in adjusting rice seed germination and vigor, which will provide an essential reference for practical issues, such as improving rice vigor and promoting direct rice sowing production.
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Affiliation(s)
- Junting Jia
- Guangdong Key Laboratory for Crop Germplasm Resources Preservation and Utilization, Agro-Biological Gene Research Center, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China
| | - Yongjian Luo
- Guangdong Key Laboratory for Crop Germplasm Resources Preservation and Utilization, Agro-Biological Gene Research Center, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China
| | - Zhiyuan Wu
- Guangdong Key Laboratory for Crop Germplasm Resources Preservation and Utilization, Agro-Biological Gene Research Center, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China
| | - Yufang Ji
- Guangdong Key Laboratory for Crop Germplasm Resources Preservation and Utilization, Agro-Biological Gene Research Center, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China
| | - Shuangxing Liu
- Guangdong Key Laboratory for Crop Germplasm Resources Preservation and Utilization, Agro-Biological Gene Research Center, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China
| | - Jie Shu
- Guangdong Key Laboratory for Crop Germplasm Resources Preservation and Utilization, Agro-Biological Gene Research Center, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China
| | - Bingxian Chen
- Guangdong Key Laboratory for Crop Germplasm Resources Preservation and Utilization, Agro-Biological Gene Research Center, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China
| | - Jun Liu
- Guangdong Key Laboratory for Crop Germplasm Resources Preservation and Utilization, Agro-Biological Gene Research Center, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China
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4
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Chandran AEJ, Finkler A, Hait TA, Kiere Y, David S, Pasmanik-Chor M, Shkolnik D. Calcium regulation of the Arabidopsis Na+/K+ transporter HKT1;1 improves seed germination under salt stress. PLANT PHYSIOLOGY 2024; 194:1834-1852. [PMID: 38057162 PMCID: PMC10904324 DOI: 10.1093/plphys/kiad651] [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: 08/22/2023] [Revised: 11/02/2023] [Accepted: 11/09/2023] [Indexed: 12/08/2023]
Abstract
Calcium is known to improve seed-germination rates under salt stress. We investigated the involvement of calcium ions (Ca2+) in regulating HIGH-AFFINITY K+ TRANSPORTER 1 (HKT1; 1), which encodes a Na+/K+ transporter, and its post-translational regulator TYPE 2C PROTEIN PHOSPHATASE 49 (PP2C49), in germinating Arabidopsis (Arabidopsis thaliana) seedlings. Germination rates of hkt1 mutant seeds under salt stress remained unchanged by CaCl2 treatment in wild-type Arabidopsis, whereas pp2c49 mutant seeds displayed improved salt-stress tolerance in the absence of CaCl2 supplementation. Analysis of HKT1;1 and PP2C49 promoter activity revealed that CaCl2 treatment results in radicle-focused expression of HKT1;1 and reduction of the native radicle-exclusive expression of PP2C49. Ion-content analysis indicated that CaCl2 treatment improves K+ retention in germinating wild-type seedlings under salt stress, but not in hkt1 seedlings. Transgenic seedlings designed to exclusively express HKT1;1 in the radicle during germination displayed higher germination rates under salt stress than the wild type in the absence of CaCl2 treatment. Transcriptome analysis of germinating seedlings treated with CaCl2, NaCl, or both revealed 118 upregulated and 94 downregulated genes as responsive to the combined treatment. Bioinformatics analysis of the upstream sequences of CaCl2-NaCl-treatment-responsive upregulated genes revealed the abscisic acid response element CACGTGTC, a potential CaM-binding transcription activator-binding motif, as most prominent. Our findings suggest a key role for Ca2+ in mediating salt-stress responses during germination by regulating genes that function to maintain Na+ and K+ homeostasis, which is vital for seed germination under salt stress.
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Affiliation(s)
- Ancy E J Chandran
- Robert H. Smith Institute of Plant Sciences and Genetics in Agriculture, Faculty of Agriculture, Food and Environment, Hebrew University of Jerusalem, Rehovot 7610001, Israel
| | - Aliza Finkler
- School of Plant Sciences and Food Security, Faculty of Life Sciences, Tel Aviv University, Tel Aviv 69978, Israel
| | - Tom Aharon Hait
- The Blavatnik School of Computer Science, Tel Aviv University, Tel Aviv 69978, Israel
- Department of Human Molecular Genetics and Biochemistry, Sackler School of Medicine, Tel Aviv University, Tel Aviv 69978, Israel
| | - Yvonne Kiere
- Robert H. Smith Institute of Plant Sciences and Genetics in Agriculture, Faculty of Agriculture, Food and Environment, Hebrew University of Jerusalem, Rehovot 7610001, Israel
| | - Sivan David
- Robert H. Smith Institute of Plant Sciences and Genetics in Agriculture, Faculty of Agriculture, Food and Environment, Hebrew University of Jerusalem, Rehovot 7610001, Israel
| | - Metsada Pasmanik-Chor
- School of Plant Sciences and Food Security, Faculty of Life Sciences, Tel Aviv University, Tel Aviv 69978, Israel
| | - Doron Shkolnik
- Robert H. Smith Institute of Plant Sciences and Genetics in Agriculture, Faculty of Agriculture, Food and Environment, Hebrew University of Jerusalem, Rehovot 7610001, Israel
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5
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Yang C, Li X, Chen S, Liu C, Yang L, Li K, Liao J, Zheng X, Li H, Li Y, Zeng S, Zhuang X, Rodriguez PL, Luo M, Wang Y, Gao C. ABI5-FLZ13 module transcriptionally represses growth-related genes to delay seed germination in response to ABA. PLANT COMMUNICATIONS 2023; 4:100636. [PMID: 37301981 PMCID: PMC10721476 DOI: 10.1016/j.xplc.2023.100636] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 05/05/2023] [Accepted: 06/06/2023] [Indexed: 06/12/2023]
Abstract
The bZIP transcription factor ABSCISIC ACID INSENSITIVE5 (ABI5) is a master regulator of seed germination and post-germinative growth in response to abscisic acid (ABA), but the detailed molecular mechanism by which it represses plant growth remains unclear. In this study, we used proximity labeling to map the neighboring proteome of ABI5 and identified FCS-LIKE ZINC FINGER PROTEIN 13 (FLZ13) as a novel ABI5 interaction partner. Phenotypic analysis of flz13 mutants and FLZ13-overexpressing lines demonstrated that FLZ13 acts as a positive regulator of ABA signaling. Transcriptomic analysis revealed that both FLZ13 and ABI5 downregulate the expression of ABA-repressed and growth-related genes involved in chlorophyll biosynthesis, photosynthesis, and cell wall organization, thereby repressing seed germination and seedling establishment in response to ABA. Further genetic analysis showed that FLZ13 and ABI5 function together to regulate seed germination. Collectively, our findings reveal a previously uncharacterized transcriptional regulatory mechanism by which ABA mediates inhibition of seed germination and seedling establishment.
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Affiliation(s)
- Chao Yang
- Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement & Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China; Guangdong Provincial Key Laboratory of Biotechnology for Plant Development, School of Life Sciences, South China Normal University (SCNU), Guangzhou 510631, China.
| | - Xibao Li
- Guangdong Provincial Key Laboratory of Biotechnology for Plant Development, School of Life Sciences, South China Normal University (SCNU), Guangzhou 510631, China
| | - Shunquan Chen
- Guangdong Provincial Key Laboratory of Biotechnology for Plant Development, School of Life Sciences, South China Normal University (SCNU), Guangzhou 510631, China
| | - Chuanliang Liu
- Guangdong Provincial Key Laboratory of Biotechnology for Plant Development, School of Life Sciences, South China Normal University (SCNU), Guangzhou 510631, China
| | - Lianming Yang
- Guangdong Provincial Key Laboratory of Biotechnology for Plant Development, School of Life Sciences, South China Normal University (SCNU), Guangzhou 510631, China
| | - Kailin Li
- Guangdong Provincial Key Laboratory of Biotechnology for Plant Development, School of Life Sciences, South China Normal University (SCNU), Guangzhou 510631, China
| | - Jun Liao
- Guangdong Provincial Key Laboratory of Biotechnology for Plant Development, School of Life Sciences, South China Normal University (SCNU), Guangzhou 510631, China
| | - Xuanang Zheng
- Guangdong Provincial Key Laboratory of Biotechnology for Plant Development, School of Life Sciences, South China Normal University (SCNU), Guangzhou 510631, China
| | - Hongbo Li
- Guangdong Provincial Key Laboratory of Biotechnology for Plant Development, School of Life Sciences, South China Normal University (SCNU), Guangzhou 510631, China
| | - Yongqing Li
- Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement & Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China
| | - Shaohua Zeng
- Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement & Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China
| | - Xiaohong Zhuang
- School of Life Sciences, Centre for Cell and Developmental Biology, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China
| | - Pedro L Rodriguez
- Instituto de Biología Molecular y Celular de Plantas, Consejo Superior de Investigaciones Científicas-Universidad Politécnica de Valencia, 46022 Valencia, Spain
| | - Ming Luo
- Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement & Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China.
| | - Ying Wang
- Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement & Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China.
| | - Caiji Gao
- Guangdong Provincial Key Laboratory of Biotechnology for Plant Development, School of Life Sciences, South China Normal University (SCNU), Guangzhou 510631, China.
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6
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Feng YR, Li TT, Wang SJ, Lu YT, Yuan TT. Triphosphate Tunnel Metalloenzyme 2 Acts as a Downstream Factor of ABI4 in ABA-Mediated Seed Germination. Int J Mol Sci 2023; 24:ijms24108994. [PMID: 37240339 DOI: 10.3390/ijms24108994] [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] [Received: 03/18/2023] [Revised: 05/13/2023] [Accepted: 05/17/2023] [Indexed: 05/28/2023] Open
Abstract
Seed germination is a complex process that is regulated by various exogenous and endogenous factors, in which abscisic acid (ABA) plays a crucial role. The triphosphate tunnel metalloenzyme (TTM) superfamily exists in all living organisms, but research on its biological role is limited. Here, we reveal that TTM2 functions in ABA-mediated seed germination. Our study indicates that TTM2 expression is enhanced but repressed by ABA during seed germination. Promoted TTM2 expression in 35S::TTM2-FLAG rescues ABA-mediated inhibition of seed germination and early seedling development and ttm2 mutants exhibit lower seed germination rate and reduced cotyledon greening compared with the wild type, revealing that the repression of TTM2 expression is required for ABA-mediated inhibition of seed germination and early seedling development. Further, ABA inhibits TTM2 expression by ABA insensitive 4 (ABI4) binding of TTM2 promoter and the ABA-insensitive phenotype of abi4-1 with higher TTM2 expression can be rescued by mutation of TTM2 in abi4-1 ttm2-1 mutant, indicating that TTM2 acts downstream of ABI4. In addition, TTM1, a homolog of TTM2, is not involved in ABA-mediated regulation of seed germination. In summary, our findings reveal that TTM2 acts as a downstream factor of ABI4 in ABA-mediated seed germination and early seedling growth.
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Affiliation(s)
- Yu-Rui Feng
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Ting-Ting Li
- Jiangsu Key Laboratory of Marine Pharmaceutical Compound Screening, Jiangsu Ocean University, Lianyungang 222005, China
| | - Shi-Jia Wang
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Ying-Tang Lu
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Ting-Ting Yuan
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan 430072, China
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Nagel M, Arc E, Rajjou L, Cueff G, Bailly M, Clément G, Sanchez-Vicente I, Bailly C, Seal CE, Roach T, Rolletschek H, Lorenzo O, Börner A, Kranner I. Impacts of drought and elevated temperature on the seeds of malting barley. FRONTIERS IN PLANT SCIENCE 2022; 13:1049323. [PMID: 36570960 PMCID: PMC9773840 DOI: 10.3389/fpls.2022.1049323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Accepted: 11/10/2022] [Indexed: 06/17/2023]
Abstract
High seed quality is key to agricultural production, which is increasingly affected by climate change. We studied the effects of drought and elevated temperature during seed production on key seed quality traits of two genotypes of malting barley (Hordeum sativum L.). Plants of a "Hana-type" landrace (B1) were taller, flowered earlier and produced heavier, larger and more vigorous seeds that resisted ageing longer compared to a semi-dwarf breeding line (B2). Accordingly, a NAC domain-containing transcription factor (TF) associated with rapid response to environmental stimuli, and the TF ABI5, a key regulator of seed dormancy and vigour, were more abundant in B1 seeds. Drought significantly reduced seed yield in both genotypes, and elevated temperature reduced seed size. Genotype B2 showed partial thermodormancy that was alleviated by drought and elevated temperature. Metabolite profiling revealed clear differences between the embryos of B1 and B2. Drought, but not elevated temperature, affected the metabolism of amino acids, organic acids, osmolytes and nitrogen assimilation, in the seeds of both genotypes. Our study may support future breeding efforts to produce new lodging and drought resistant malting barleys without trade-offs that can occur in semi-dwarf varieties such as lower stress resistance and higher dormancy.
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Affiliation(s)
- Manuela Nagel
- Genebank Department, Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), Gatersleben, Seeland, Germany
| | - Erwann Arc
- Department of Botany and Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, Innsbruck, Austria
| | - Loïc Rajjou
- Université Paris-Saclay, INRAE, AgroParisTech, Institut Jean-Pierre Bourgin (IJPB), Versailles, France
| | - Gwendal Cueff
- Université Paris-Saclay, INRAE, AgroParisTech, Institut Jean-Pierre Bourgin (IJPB), Versailles, France
| | - Marlene Bailly
- Université Paris-Saclay, INRAE, AgroParisTech, Institut Jean-Pierre Bourgin (IJPB), Versailles, France
| | - Gilles Clément
- Université Paris-Saclay, INRAE, AgroParisTech, Institut Jean-Pierre Bourgin (IJPB), Versailles, France
| | - Inmaculada Sanchez-Vicente
- Department of Botany and Plant Physiology, Instituto de Investigación en Agrobiotecnología (CIALE), Facultad de Biología, Universidad de Salamanca, Salamanca, Spain
| | - Christophe Bailly
- Unité Mixte de Recherche (UMR) 7622 Biologie du Développement, Institut de Biologie Paris Seine (IBPS), Sorbonne Université, CNRS, Paris, France
| | - Charlotte E. Seal
- Royal Botanic Gardens, Kew, Wakehurst, Ardingly, Haywards Heath, West Sussex, Haywards Heath, United Kingdom
| | - Thomas Roach
- Department of Botany and Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, Innsbruck, Austria
| | - Hardy Rolletschek
- Genebank Department, Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), Gatersleben, Seeland, Germany
| | - Oscar Lorenzo
- Department of Botany and Plant Physiology, Instituto de Investigación en Agrobiotecnología (CIALE), Facultad de Biología, Universidad de Salamanca, Salamanca, Spain
| | - Andreas Börner
- Genebank Department, Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), Gatersleben, Seeland, Germany
| | - Ilse Kranner
- Department of Botany and Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, Innsbruck, Austria
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Zhang Y, Ji X, Xian J, Wang Y, Peng Y. Morphological characterization and transcriptome analysis of leaf angle mutant bhlh112 in maize [ Zea mays L.]. FRONTIERS IN PLANT SCIENCE 2022; 13:995815. [PMID: 36275532 PMCID: PMC9585351 DOI: 10.3389/fpls.2022.995815] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Accepted: 09/21/2022] [Indexed: 06/16/2023]
Abstract
Leaf angle is an important agronomic trait in maize [Zea mays L.]. The compact plant phenotype, with a smaller leaf angle, is suited for high-density planting and thus for increasing crop yields. Here, we studied the ethyl methane sulfonate (EMS)-induced mutant bhlh112. Leaf angle and plant height were significantly decreased in bhlh112 compared to the wild-type plants. After treatment of seedlings with exogenous IAA and ABA respectively, under the optimal concentration of exogenous hormones, the variation of leaf angle of the mutant was more obvious than that of the wild-type, which indicated that the mutant was more sensitive to exogenous hormones. Transcriptome analysis showed that the ZmbHLH112 gene was related to the biosynthesis of auxin and brassinosteroids, and involved in the activation of genes related to the auxin and brassinosteroid signal pathways as well as cell elongation. Among the GO enrichment terms, we found many differentially expressed genes (DEGs) enriched in the cell membrane and ribosomal biosynthesis, hormone biosynthesis and signaling pathways, and flavonoid biosynthesis, which could influence cell growth and the level of endogenous hormones affecting leaf angle. Therefore, ZmbHLH112 might regulate leaf angle development through the auxin signaling and the brassinosteroid biosynthesis pathways. 12 genes related to the development of leaf were screened by WGCNA; In GO enrichment and KEGG pathways, the genes were mainly enriched in rRNA binding, ribosome biogenesis, Structural constituent of ribosome; Arabidopsis ribosome RNA methyltransferase CMAL is involved in plant development, likely by modulating auxin derived signaling pathways; The free 60s ribosomes and polysomes in the functional defective mutant rice minute-like1 (rml1) were significantly reduced, resulting in plant phenotypic diminution, narrow leaves, and growth retardation; Hence, ribosomal subunits may play an important role in leaf development. These results provide a foundation for further elucidation of the molecular mechanism of the regulation of leaf angle in maize.
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Affiliation(s)
- Yunfang Zhang
- College of Agronomy, Gansu Agricultural University, Lanzhou, China
- Gansu Provincial Key Laboratory of Aridland Crop Science, Gansu Agricultural University, Lanzhou, China
- Gansu Key Laboratory of Crop Improvement & Germplasm Enhancement, Gansu Agricultural University, Lanzhou, China
| | - Xiangzhuo Ji
- College of Agronomy, Gansu Agricultural University, Lanzhou, China
- Gansu Provincial Key Laboratory of Aridland Crop Science, Gansu Agricultural University, Lanzhou, China
- Gansu Key Laboratory of Crop Improvement & Germplasm Enhancement, Gansu Agricultural University, Lanzhou, China
| | - Jinhong Xian
- College of Agronomy, Gansu Agricultural University, Lanzhou, China
| | - Yinxia Wang
- College of Agronomy, Gansu Agricultural University, Lanzhou, China
- Gansu Provincial Key Laboratory of Aridland Crop Science, Gansu Agricultural University, Lanzhou, China
- Gansu Key Laboratory of Crop Improvement & Germplasm Enhancement, Gansu Agricultural University, Lanzhou, China
| | - Yunling Peng
- College of Agronomy, Gansu Agricultural University, Lanzhou, China
- Gansu Provincial Key Laboratory of Aridland Crop Science, Gansu Agricultural University, Lanzhou, China
- Gansu Key Laboratory of Crop Improvement & Germplasm Enhancement, Gansu Agricultural University, Lanzhou, China
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9
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Li Z, Luo X, Wang L, Shu K. ABSCISIC ACID INSENSITIVE 5 mediates light-ABA/gibberellin crosstalk networks during seed germination. JOURNAL OF EXPERIMENTAL BOTANY 2022; 73:4674-4682. [PMID: 35522989 DOI: 10.1093/jxb/erac200] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Accepted: 05/05/2022] [Indexed: 06/14/2023]
Abstract
Appropriate timing of seed germination is crucial for plant survival and has important implications for agricultural production. Timely germination relies on harmonious interactions between endogenous developmental signals, especially abscisic acid (ABA) and gibberellins (GAs), and environmental cues such as light. Recently, a series of investigations of a three-way crosstalk between phytochromes, ABA, and GAs in the regulation of seed germination demonstrated that the transcription factor ABSCISIC ACID INSENSITIVE 5 (ABI5) is a central mediator in the light-ABA/GA cascades. Here, we review current knowledge of ABI5 as a key player in light-, ABA-, and GA-signaling pathways that precisely control seed germination. We highlight recent advances in ABI5-related studies, focusing on the regulation of seed germination, which is strictly controlled at both the transcriptional and the protein levels by numerous light-regulated factors. We further discuss the components of ABA and GA signaling pathways that could regulate ABI5 during seed germination, including transcription factors, E3 ligases, protein kinases, and phosphatases. The precise molecular mechanisms by which ABI5 mediates ABA-GA antagonistic crosstalk during seed germination are also discussed. Finally, some potential research hotspots underlying ABI5-mediated seed germination regulatory networks are proposed.
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Affiliation(s)
- Zenglin Li
- School of Ecology and Environment, Northwestern Polytechnical University, Xi'an, 710012, China
- Institute of Biology II, Faculty of Biology, University of Freiburg, Freiburg, Germany
| | - Xiaofeng Luo
- School of Ecology and Environment, Northwestern Polytechnical University, Xi'an, 710012, China
| | - Lei Wang
- School of Ecology and Environment, Northwestern Polytechnical University, Xi'an, 710012, China
| | - Kai Shu
- School of Ecology and Environment, Northwestern Polytechnical University, Xi'an, 710012, China
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10
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Mandal S, Ghorai M, Anand U, Samanta D, Kant N, Mishra T, Rahman MH, Jha NK, Jha SK, Lal MK, Tiwari RK, Kumar M, Radha, Prasanth DA, Mane AB, Gopalakrishnan AV, Biswas P, Proćków J, Dey A. Cytokinin and abiotic stress tolerance -What has been accomplished and the way forward? Front Genet 2022; 13:943025. [PMID: 36017502 PMCID: PMC9395584 DOI: 10.3389/fgene.2022.943025] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 06/30/2022] [Indexed: 11/27/2022] Open
Abstract
More than a half-century has passed since it was discovered that phytohormone cytokinin (CK) is essential to drive cytokinesis and proliferation in plant tissue culture. Thereafter, cytokinin has emerged as the primary regulator of the plant cell cycle and numerous developmental processes. Lately, a growing body of evidence suggests that cytokinin has a role in mitigating both abiotic and biotic stress. Cytokinin is essential to defend plants against excessive light exposure and a unique kind of abiotic stress generated by an altered photoperiod. Secondly, cytokinin also exhibits multi-stress resilience under changing environments. Furthermore, cytokinin homeostasis is also affected by several forms of stress. Therefore, the diverse roles of cytokinin in reaction to stress, as well as its interactions with other hormones, are discussed in detail. When it comes to agriculture, understanding the functioning processes of cytokinins under changing environmental conditions can assist in utilizing the phytohormone, to increase productivity. Through this review, we briefly describe the biological role of cytokinin in enhancing the performance of plants growth under abiotic challenges as well as the probable mechanisms underpinning cytokinin-induced stress tolerance. In addition, the article lays forth a strategy for using biotechnological tools to modify genes in the cytokinin pathway to engineer abiotic stress tolerance in plants. The information presented here will assist in better understanding the function of cytokinin in plants and their effective investigation in the cropping system.
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Affiliation(s)
- Sayanti Mandal
- Institute of Bioinformatics and Biotechnology, Savitribai Phule Pune University, Pune, Maharashtra, India
| | - Mimosa Ghorai
- Department of Life Sciences, Presidency University, Kolkata, West Bengal, India
| | - Uttpal Anand
- CytoGene Research & Development LLP, Barabanki, Uttar Pradesh, India
| | - Dipu Samanta
- Department of Botany, Dr. Kanailal Bhattacharyya College, Howrah, West Bengal, India
| | - Nishi Kant
- School of Health and Allied Science, ARKA Jain University, Jamshedpur, Jharkhand, India
| | - Tulika Mishra
- Department of Botany, Deen Dayal Upadhyay Gorakhpur University, Gorakhpur, Uttar Pradesh, India
| | - Md. Habibur Rahman
- Department of Global Medical Science, Wonju College of Medicine, Yonsei University, Wonju, Gangwon-do, South Korea
| | - Niraj Kumar Jha
- Department of Biotechnology, School of Engineering and Technology, Sharda University, Greater Noida, Uttar Pradesh, India
- Department of Biotechnology Engineering and Food Technology, Chandigarh University, Mohali, India
- Department of Biotechnology, School of Applied and Life Sciences (SALS), Uttaranchal University, Dehradun, India
| | - Saurabh Kumar Jha
- Department of Biotechnology, School of Engineering and Technology, Sharda University, Greater Noida, Uttar Pradesh, India
- Department of Biotechnology Engineering and Food Technology, Chandigarh University, Mohali, India
- Department of Biotechnology, School of Applied and Life Sciences (SALS), Uttaranchal University, Dehradun, India
| | - Milan Kumar Lal
- Division of Crop Physiology, Biochemistry and Post Harvest Technology, ICAR-Central Potato Research Institute, Shimla, Himachal Pradesh, India
| | - Rahul Kumar Tiwari
- Division of Crop Physiology, Biochemistry and Post Harvest Technology, ICAR-Central Potato Research Institute, Shimla, Himachal Pradesh, India
| | - Manoj Kumar
- Chemical and Biochemical Processing Division, ICAR-Central Institute for Research on Cotton Technology, Mumbai, Maharashtra, India
| | - Radha
- School of Biological and Environmental Sciences, Shoolini University of Biotechnology and Management Sciences, Solan, Himachal Pradesh, India
| | | | - Abhijit Bhagwan Mane
- Department of Zoology, Dr. Patangrao Kadam Mahavidhyalaya (affiliated to Shivaji University Kolhapur), Ramanandnagar (Burli), Sangli, Maharashtra, India
| | - Abilash Valsala Gopalakrishnan
- Department of Biomedical Sciences, School of Biosciences and Technology, Vellore Institute of Technology (VIT), Vellore, Tamil Nadu, India
| | - Protha Biswas
- Department of Life Sciences, Presidency University, Kolkata, West Bengal, India
| | - Jarosław Proćków
- Department of Plant Biology, Institute of Environmental Biology, Wrocław University of Environmental and Life Sciences, Wrocław, Poland
| | - Abhijit Dey
- Department of Life Sciences, Presidency University, Kolkata, West Bengal, India
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11
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Li X, Xie Y, Zhang Q, Hua X, Peng L, Li K, Yu Q, Chen Y, Yao H, He J, Huang Y, Wang R, Wang T, Wang J, Li X, Yang Y. Monomerization of abscisic acid receptors through CARKs-mediated phosphorylation. THE NEW PHYTOLOGIST 2022; 235:533-549. [PMID: 35388459 DOI: 10.1111/nph.18149] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Accepted: 03/25/2022] [Indexed: 06/14/2023]
Abstract
Cytosolic ABA Receptor Kinases (CARKs) play a pivotal role in abscisic acid (ABA)-dependent pathway in response to dehydration, but their regulatory mechanism in ABA signaling remains unexplored. In this study, we showed that CARK4/5 of CARK family physically interacted with ABA receptors (RCARs/PYR1/PYLs), including RCAR3, RCAR11-RCAR14, while CARK2/7/11 only interacted with RCAR11-RCAR14, but not RCAR3. It indicates that the members in CARK family function redundantly and differentially in ABA signaling. RCAR12 can form heterodimer with RCAR3 in vitro and in vivo. Moreover, the members of CARK family can form homodimer or heterodimer in a kinase activity dependent manner. ITC (isothermal titration calorimetry) analysis demonstrated that the phosphorylation of RCAR12 by CARK1 enhanced the ABA binding affinity. The phosphor-mimic RCAR12T105D significantly displayed ABA-induced inhibition of the phosphatase ABI1 (ABA insensitive 1) activity, leading to upregulation of ABA-responsive genes RD29A and RD29B in cark157:RCAR12T105D transgenic plants, which exhibited ABA hypersensitive phenotype. The transcription factor ABI5 (ABA insensitive 5) activates the transcriptions of CARK1 and CARK3 by binding to ABA-response elements (ABREs) of their promoters. Collectively, our data imply that the dimeric CARKs phosphorylate homodimer or heterodimer ABA receptors, leading to monomerization for triggering ABA responses in Arabidopsis.
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Affiliation(s)
- Xiaoyi Li
- Key Laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610065, China
| | - Yiting Xie
- Key Laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610065, China
| | - Qian Zhang
- Key Laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610065, China
| | - Xinyue Hua
- Key Laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610065, China
| | - Lu Peng
- Key Laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610065, China
| | - Kexuan Li
- Key Laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610065, China
| | - Qin Yu
- Key Laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610065, China
| | - Yihong Chen
- Key Laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610065, China
| | - Huan Yao
- Key Laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610065, China
| | - Juan He
- Key Laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610065, China
| | - Yaling Huang
- Key Laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610065, China
| | - Ruolin Wang
- Key Laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610065, China
| | - Tao Wang
- Key Laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610065, China
| | - Jianmei Wang
- Key Laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610065, China
| | - Xufeng Li
- Key Laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610065, China
| | - Yi Yang
- Key Laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610065, China
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12
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Alonso‐Nieves AL, Salazar‐Vidal MN, Torres‐Rodríguez JV, Pérez‐Vázquez LM, Massange‐Sánchez JA, Gillmor CS, Sawers RJH. The pho1;2a'-m1.1 allele of Phosphate1 conditions misregulation of the phosphorus starvation response in maize ( Zea mays ssp. mays L.). PLANT DIRECT 2022; 6:e416. [PMID: 35844781 PMCID: PMC9277030 DOI: 10.1002/pld3.416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 06/12/2022] [Accepted: 06/13/2022] [Indexed: 06/15/2023]
Abstract
Plant PHO1 proteins play a central role in the translocation and sensing of inorganic phosphate. The maize (Zea mays ssp. mays) genome encodes two co-orthologs of the Arabidopsis PHO1 gene, designated ZmPho1;2a and ZmPho1;2b. Here, we report the characterization of the transposon footprint allele Zmpho1;2a'-m1.1, which we refer to hereafter as pho1;2a. The pho1;2a allele is a stable derivative formed by excision of an Activator transposable element from the ZmPho1;2a gene. The pho1;2a allele contains an 8-bp insertion at the point of transposon excision that disrupts the reading frame and is predicted to generate a premature translational stop. We show that the pho1;2a allele is linked to a dosage-dependent reduction in Pho1;2a transcript accumulation and a mild reduction in seedling growth. Characterization of shoot and root transcriptomes under full nutrient, low nitrogen, low phosphorus, and combined low nitrogen and low phosphorus conditions identified 1100 differentially expressed genes between wild-type plants and plants carrying the pho1;2a mutation. Of these 1100 genes, 966 were upregulated in plants carrying pho1;2a, indicating the wild-type PHO1;2a to predominantly impact negative gene regulation. Gene set enrichment analysis of the pho1;2a-misregulated genes revealed associations with phytohormone signaling and the phosphate starvation response. In roots, differential expression was broadly consistent across all nutrient conditions. In leaves, differential expression was largely specific to low phosphorus and combined low nitrogen and low phosphorus conditions. Of 276 genes upregulated in the leaves of pho1;2a mutants in the low phosphorus condition, 153 were themselves induced in wild-type plants with respect to the full nutrient condition. Our observations suggest that Pho1;2a functions in the fine-tuning of the transcriptional response to phosphate starvation through maintenance and/or sensing of plant phosphate status.
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Affiliation(s)
- Ana Laura Alonso‐Nieves
- Langebio, Unidad de Genómica AvanzadaCentro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV‐IPN)IrapuatoMexico
| | - M. Nancy Salazar‐Vidal
- Langebio, Unidad de Genómica AvanzadaCentro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV‐IPN)IrapuatoMexico
- Department of Evolution and EcologyUniversity of California, DavisDavisCaliforniaUSA
- Division of Plant SciencesUniversity of MissouriColumbiaMissouriUSA
| | - J. Vladimir Torres‐Rodríguez
- Langebio, Unidad de Genómica AvanzadaCentro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV‐IPN)IrapuatoMexico
- Center for Plant Science InnovationUniversity of Nebraska‐LincolnLincolnNebraskaUSA
| | - Leonardo M. Pérez‐Vázquez
- Langebio, Unidad de Genómica AvanzadaCentro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV‐IPN)IrapuatoMexico
| | - Julio A. Massange‐Sánchez
- Langebio, Unidad de Genómica AvanzadaCentro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV‐IPN)IrapuatoMexico
- Unidad de Biotecnología VegetalCentro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco A.C. (CIATEJ) Subsede ZapopanGuadalajaraMexico
| | - C. Stewart Gillmor
- Langebio, Unidad de Genómica AvanzadaCentro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV‐IPN)IrapuatoMexico
| | - Ruairidh J. H. Sawers
- Langebio, Unidad de Genómica AvanzadaCentro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV‐IPN)IrapuatoMexico
- Department of Plant ScienceThe Pennsylvania State UniversityState CollegePennsylvaniaUSA
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13
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Iqbal A, Huiping G, Xiangru W, Hengheng Z, Xiling Z, Meizhen S. Genome-wide expression analysis reveals involvement of asparagine synthetase family in cotton development and nitrogen metabolism. BMC PLANT BIOLOGY 2022; 22:122. [PMID: 35296248 PMCID: PMC8925137 DOI: 10.1186/s12870-022-03454-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 01/27/2022] [Indexed: 05/09/2023]
Abstract
Asparagine synthetase (ASN) is one of the key enzymes of nitrogen (N) metabolism in plants. The product of ASN is asparagine, which is one of the key compounds involved in N transport and storage in plants. Complete genome-wide analysis and classifications of the ASN gene family have recently been reported in different plants. However, little is known about the systematic analysis and expression profiling of ASN proteins in cotton development and N metabolism. Here, various bioinformatics analysis was performed to identify ASN gene family in cotton. In the cotton genome, forty-three proteins were found that determined ASN genes, comprising of 20 genes in Gossypium hirsutum (Gh), 13 genes in Gossypium arboreum, and 10 genes in Gossypium raimondii. The ASN encoded genes unequally distributed on various chromosomes with conserved glutamine amidotransferases and ASN domains. Expression analysis indicated that the majority of GhASNs were upregulated in vegetative and reproductive organs, fiber development, and N metabolism. Overall, the results provide proof of the possible role of the ASN genes in improving cotton growth, fiber development, and especially N metabolism in cotton. The identified hub genes will help to functionally elucidate the ASN genes in cotton development and N metabolism.
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Affiliation(s)
- Asif Iqbal
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of Chinese Academy of Agricultural Sciences, Zhengzhou Research Base, School of Agricultural Sciences, Zhengzhou University, State Key Laboratory of Cotton Biology, Anyang, Henan, 455000, People's Republic of China
| | - Gui Huiping
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of Chinese Academy of Agricultural Sciences, Zhengzhou Research Base, School of Agricultural Sciences, Zhengzhou University, State Key Laboratory of Cotton Biology, Anyang, Henan, 455000, People's Republic of China
| | - Wang Xiangru
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of Chinese Academy of Agricultural Sciences, Zhengzhou Research Base, School of Agricultural Sciences, Zhengzhou University, State Key Laboratory of Cotton Biology, Anyang, Henan, 455000, People's Republic of China
- Western Agricultural Research Center of Chinese Academy of Agricultural Sciences, Changji, 831100, Xinjiang, China
| | - Zhang Hengheng
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of Chinese Academy of Agricultural Sciences, Zhengzhou Research Base, School of Agricultural Sciences, Zhengzhou University, State Key Laboratory of Cotton Biology, Anyang, Henan, 455000, People's Republic of China
| | - Zhang Xiling
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of Chinese Academy of Agricultural Sciences, Zhengzhou Research Base, School of Agricultural Sciences, Zhengzhou University, State Key Laboratory of Cotton Biology, Anyang, Henan, 455000, People's Republic of China.
- Western Agricultural Research Center of Chinese Academy of Agricultural Sciences, Changji, 831100, Xinjiang, China.
| | - Song Meizhen
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of Chinese Academy of Agricultural Sciences, Zhengzhou Research Base, School of Agricultural Sciences, Zhengzhou University, State Key Laboratory of Cotton Biology, Anyang, Henan, 455000, People's Republic of China.
- Western Agricultural Research Center of Chinese Academy of Agricultural Sciences, Changji, 831100, Xinjiang, China.
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14
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Bagautdinova ZZ, Omelyanchuk N, Tyapkin AV, Kovrizhnykh VV, Lavrekha VV, Zemlyanskaya EV. Salicylic Acid in Root Growth and Development. Int J Mol Sci 2022; 23:ijms23042228. [PMID: 35216343 PMCID: PMC8875895 DOI: 10.3390/ijms23042228] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 02/10/2022] [Accepted: 02/14/2022] [Indexed: 11/18/2022] Open
Abstract
In plants, salicylic acid (SA) is a hormone that mediates a plant’s defense against pathogens. SA also takes an active role in a plant’s response to various abiotic stresses, including chilling, drought, salinity, and heavy metals. In addition, in recent years, numerous studies have confirmed the important role of SA in plant morphogenesis. In this review, we summarize data on changes in root morphology following SA treatments under both normal and stress conditions. Finally, we provide evidence for the role of SA in maintaining the balance between stress responses and morphogenesis in plant development, and also for the presence of SA crosstalk with other plant hormones during this process.
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Affiliation(s)
- Zulfira Z. Bagautdinova
- Institute of Cytology and Genetics, Siberian Branch, Russian Academy of Sciences, 630090 Novosibirsk, Russia; (Z.Z.B.); (N.O.); (A.V.T.); (V.V.K.); (V.V.L.)
| | - Nadya Omelyanchuk
- Institute of Cytology and Genetics, Siberian Branch, Russian Academy of Sciences, 630090 Novosibirsk, Russia; (Z.Z.B.); (N.O.); (A.V.T.); (V.V.K.); (V.V.L.)
| | - Aleksandr V. Tyapkin
- Institute of Cytology and Genetics, Siberian Branch, Russian Academy of Sciences, 630090 Novosibirsk, Russia; (Z.Z.B.); (N.O.); (A.V.T.); (V.V.K.); (V.V.L.)
- Department of Natural Sciences, Novosibirsk State University, 630090 Novosibirsk, Russia
| | - Vasilina V. Kovrizhnykh
- Institute of Cytology and Genetics, Siberian Branch, Russian Academy of Sciences, 630090 Novosibirsk, Russia; (Z.Z.B.); (N.O.); (A.V.T.); (V.V.K.); (V.V.L.)
| | - Viktoriya V. Lavrekha
- Institute of Cytology and Genetics, Siberian Branch, Russian Academy of Sciences, 630090 Novosibirsk, Russia; (Z.Z.B.); (N.O.); (A.V.T.); (V.V.K.); (V.V.L.)
- Department of Natural Sciences, Novosibirsk State University, 630090 Novosibirsk, Russia
| | - Elena V. Zemlyanskaya
- Institute of Cytology and Genetics, Siberian Branch, Russian Academy of Sciences, 630090 Novosibirsk, Russia; (Z.Z.B.); (N.O.); (A.V.T.); (V.V.K.); (V.V.L.)
- Department of Natural Sciences, Novosibirsk State University, 630090 Novosibirsk, Russia
- Correspondence:
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15
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Seed germination and vigor: ensuring crop sustainability in a changing climate. Heredity (Edinb) 2022; 128:450-459. [PMID: 35013549 DOI: 10.1038/s41437-022-00497-2] [Citation(s) in RCA: 61] [Impact Index Per Article: 30.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2021] [Revised: 12/29/2021] [Accepted: 01/02/2022] [Indexed: 11/08/2022] Open
Abstract
In the coming decades, maintaining a steady food supply for the increasing world population will require high-yielding crop plants which can be productive under increasingly variable conditions. Maintaining high yields will require the successful and uniform establishment of plants in the field under altered environmental conditions. Seed vigor, a complex agronomic trait that includes seed longevity, germination speed, seedling growth, and early stress tolerance, determines the duration and success of this establishment period. Elevated temperature during early seed development can decrease seed size, number, and fertility, delay germination and reduce seed vigor in crops such as cereals, legumes, and vegetable crops. Heat stress in mature seeds can reduce seed vigor in crops such as lettuce, oat, and chickpea. Warming trends and increasing temperature variability can increase seed dormancy and reduce germination rates, especially in crops that require lower temperatures for germination and seedling establishment. To improve seed germination speed and success, much research has focused on selecting quality seeds for replanting, priming seeds before sowing, and breeding varieties with improved seed performance. Recent strides in understanding the genetic basis of variation in seed vigor have used genomics and transcriptomics to identify candidate genes for improving germination, and several studies have explored the potential impact of climate change on the percentage and timing of germination. In this review, we discuss these recent advances in the genetic underpinnings of seed performance as well as how climate change is expected to affect vigor in current varieties of staple, vegetable, and other crops.
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16
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Updates on the Role of ABSCISIC ACID INSENSITIVE 5 (ABI5) and ABSCISIC ACID-RESPONSIVE ELEMENT BINDING FACTORs (ABFs) in ABA Signaling in Different Developmental Stages in Plants. Cells 2021; 10:cells10081996. [PMID: 34440762 PMCID: PMC8394461 DOI: 10.3390/cells10081996] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 08/02/2021] [Accepted: 08/03/2021] [Indexed: 12/14/2022] Open
Abstract
The core abscisic acid (ABA) signaling pathway consists of receptors, phosphatases, kinases and transcription factors, among them ABA INSENSITIVE 5 (ABI5) and ABRE BINDING FACTORs/ABRE-BINDING PROTEINs (ABFs/AREBs), which belong to the BASIC LEUCINE ZIPPER (bZIP) family and control expression of stress-responsive genes. ABI5 is mostly active in seeds and prevents germination and post-germinative growth under unfavorable conditions. The activity of ABI5 is controlled at transcriptional and protein levels, depending on numerous regulators, including components of other phytohormonal pathways. ABFs/AREBs act redundantly in regulating genes that control physiological processes in response to stress during vegetative growth. In this review, we focus on recent reports regarding ABI5 and ABFs/AREBs functions during abiotic stress responses, which seem to be partially overlapping and not restricted to one developmental stage in Arabidopsis and other species. Moreover, we point out that ABI5 and ABFs/AREBs play a crucial role in the core ABA pathway’s feedback regulation. In this review, we also discuss increased stress tolerance of transgenic plants overexpressing genes encoding ABA-dependent bZIPs. Taken together, we show that ABI5 and ABFs/AREBs are crucial ABA-dependent transcription factors regulating processes essential for plant adaptation to stress at different developmental stages.
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17
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Liu H, Wu W. Comparative transcriptome analysis reveals function of TERF1 in promoting seed germination. PHYSIOLOGY AND MOLECULAR BIOLOGY OF PLANTS : AN INTERNATIONAL JOURNAL OF FUNCTIONAL PLANT BIOLOGY 2021; 27:1659-1674. [PMID: 34539109 PMCID: PMC8405750 DOI: 10.1007/s12298-021-01049-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 08/04/2021] [Accepted: 08/15/2021] [Indexed: 05/31/2023]
Abstract
UNLABELLED Seed germination marks a new life cycle of a plant. Although ethylene promotes seed germination, the underlying molecular mechanism is poorly understood. Ethylene Responsive Factors (ERFs) play an essential role in ethylene signaling. Here we show that overexpression of Tomato Ethylene Responsive Factor 1 (TERF1), an ERF transcription factor isolated from tomato, can promote tobacco seed germination at 23 °C in darkness. Hormones analysis showed that salicylic acid (SA), 3-indoleacetic acid (IAA), abscisic acid (ABA) and gibberellic acids (GAs) were significantly increased by TERF1, while jasmonic acid (JA) was significantly reduced in TERF1 seeds. Transcriptome analysis identified 7,961 differentially expressed genes (DEGs), including 6,213 mRNAs, 25 miRNAs, 1,581 lncRNAs and 141 circRNAs. Gene Ontology (GO) enrichment analysis showed that cell cycles, sugar metabolism, microtubule-based processes were activated by TERF1, while DNA repair, lipid metabolism were repressed by TERF1. We also identified differentially expressed regulatory genes for ABA and GA biosynthesis or signaling in TERF1 seed, including transcription factors, kinases, phosphatases and ubiquitin protein ligases, non-coding RNAs (ncRNAs). At posttranscriptional level TERF1 also regulates gene expression through alternative splicing (AS). Protein-protein interaction (PPI) network analysis revealed three key biological processes regulated by TERF1, including nitrogen metabolism, light related processes and mitosis. Pheynotype and gene expression analysis showed that TERF1 significantly reduced seed sensitivity to ABA and auxin during germination through repressing key components of ABA signaling pathway. Our results unraveled the function of TERF1 in promoting seed germination. SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s12298-021-01049-4.
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Affiliation(s)
- Hongzhi Liu
- Graduate School of Chinese Academy of Agricultural Sciences, No.12 Zhongguancun South St., Haidian District, Beijing, 100081 People’s Republic of China
| | - Wei Wu
- Graduate School of Chinese Academy of Agricultural Sciences, No.12 Zhongguancun South St., Haidian District, Beijing, 100081 People’s Republic of China
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18
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Chuong NN, Hoang XLT, Nghia DHT, Nguyen NC, Thao DTT, Tran TB, Ngoc TTM, Thu NBA, Nguyen QT, Thao NP. Ectopic expression of GmHP08 enhances resistance of transgenic Arabidopsis toward drought stress. PLANT CELL REPORTS 2021; 40:819-834. [PMID: 33725150 DOI: 10.1007/s00299-021-02677-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Accepted: 02/22/2021] [Indexed: 06/12/2023]
Abstract
Ectopic expression of Glycine max two-component system member GmHP08 in Arabidopsis enhanced drought tolerance of transgenic plants, possibly via ABA-dependent pathways. Phosphorelay by two-component system (TCS) is a signal transduction mechanism which has been evolutionarily conserved in both prokaryotic and eukaryotic organisms. Previous studies have provided lines of evidence on the involvement of TCS genes in plant perception and responses to environmental stimuli. In this research, drought-associated functions of GmHP08, a TCS member from soybean (Glycine max L.), were investigated via its ectopic expression in Arabidopsis system. Results from the drought survival assay showed that GmHP08-transgenic plants exhibited higher survival rates compared with their wild-type (WT) counterparts, indicating better drought resistance of the former group. Analyses revealed that the transgenic plants outperformed the WT in various regards, i.e. capability of water retention, prevention of hydrogen peroxide accumulation and enhancement of antioxidant enzymatic activities under water-deficit conditions. Additionally, the expression of stress-marker genes, especially antioxidant enzyme-encoding genes, in the transgenic plants were found greater than that of the WT plants. In contrary, the expression of SAG13 gene, one of the senescence-associated genes, and of several abscisic acid (ABA)-related genes was repressed. Data from this study also revealed that the ectopic expression lines at germination and early seedling development stages were hypersensitive to exogenous ABA treatment. Taken together, our results demonstrated that GmHP08 could play an important role in mediating plant response to drought, possibly via an ABA-dependent manner.
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Affiliation(s)
- Nguyen Nguyen Chuong
- Applied Biotechnology for Crop Development Research Unit, School of Biotechnology, International University, Quarter 6, Linh Trung Ward, Thu Duc, Ho Chi Minh, 700000, Vietnam
- Vietnam National University, Linh Trung Ward, Thu Duc, Ho Chi Minh, 700000, Vietnam
| | - Xuan Lan Thi Hoang
- Applied Biotechnology for Crop Development Research Unit, School of Biotechnology, International University, Quarter 6, Linh Trung Ward, Thu Duc, Ho Chi Minh, 700000, Vietnam
- Vietnam National University, Linh Trung Ward, Thu Duc, Ho Chi Minh, 700000, Vietnam
| | - Duong Hoang Trong Nghia
- Applied Biotechnology for Crop Development Research Unit, School of Biotechnology, International University, Quarter 6, Linh Trung Ward, Thu Duc, Ho Chi Minh, 700000, Vietnam
- Vietnam National University, Linh Trung Ward, Thu Duc, Ho Chi Minh, 700000, Vietnam
| | - Nguyen Cao Nguyen
- Applied Biotechnology for Crop Development Research Unit, School of Biotechnology, International University, Quarter 6, Linh Trung Ward, Thu Duc, Ho Chi Minh, 700000, Vietnam
- Vietnam National University, Linh Trung Ward, Thu Duc, Ho Chi Minh, 700000, Vietnam
| | - Dau Thi Thanh Thao
- Applied Biotechnology for Crop Development Research Unit, School of Biotechnology, International University, Quarter 6, Linh Trung Ward, Thu Duc, Ho Chi Minh, 700000, Vietnam
- Vietnam National University, Linh Trung Ward, Thu Duc, Ho Chi Minh, 700000, Vietnam
| | - Tram Bao Tran
- Applied Biotechnology for Crop Development Research Unit, School of Biotechnology, International University, Quarter 6, Linh Trung Ward, Thu Duc, Ho Chi Minh, 700000, Vietnam
- Vietnam National University, Linh Trung Ward, Thu Duc, Ho Chi Minh, 700000, Vietnam
| | - Tran Thi My Ngoc
- Applied Biotechnology for Crop Development Research Unit, School of Biotechnology, International University, Quarter 6, Linh Trung Ward, Thu Duc, Ho Chi Minh, 700000, Vietnam
- Vietnam National University, Linh Trung Ward, Thu Duc, Ho Chi Minh, 700000, Vietnam
| | - Nguyen Binh Anh Thu
- Applied Biotechnology for Crop Development Research Unit, School of Biotechnology, International University, Quarter 6, Linh Trung Ward, Thu Duc, Ho Chi Minh, 700000, Vietnam
- Vietnam National University, Linh Trung Ward, Thu Duc, Ho Chi Minh, 700000, Vietnam
| | - Quang Thien Nguyen
- Applied Biotechnology for Crop Development Research Unit, School of Biotechnology, International University, Quarter 6, Linh Trung Ward, Thu Duc, Ho Chi Minh, 700000, Vietnam
- Vietnam National University, Linh Trung Ward, Thu Duc, Ho Chi Minh, 700000, Vietnam
| | - Nguyen Phuong Thao
- Applied Biotechnology for Crop Development Research Unit, School of Biotechnology, International University, Quarter 6, Linh Trung Ward, Thu Duc, Ho Chi Minh, 700000, Vietnam.
- Vietnam National University, Linh Trung Ward, Thu Duc, Ho Chi Minh, 700000, Vietnam.
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Gao W, Liu Y, Huang J, Chen Y, Chen C, Lu L, Zhao H, Men S, Zhang X. MES7 Modulates Seed Germination via Regulating Salicylic Acid Content in Arabidopsis. PLANTS 2021; 10:plants10050903. [PMID: 33946173 PMCID: PMC8146826 DOI: 10.3390/plants10050903] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Revised: 04/10/2021] [Accepted: 04/23/2021] [Indexed: 11/16/2022]
Abstract
Seed germination is an important phase transitional period of angiosperm plants during which seeds are highly sensitive to different environmental conditions. Although seed germination is under the regulation of salicylic acid (SA) and other hormones, the molecular mechanism underlying these regulations remains mysterious. In this study, we determined the expression of SA methyl esterase (MES) family genes during seed germination. We found that MES7 expression decreases significantly in imbibed seeds, and the dysfunction of MES7 decreases SA content. Furthermore, MES7 reduces and promotes seed germination under normal and salt stress conditions, respectively. The application of SA restores the seed germination deficiencies of mes7 mutants under different conditions. Taking together, our observations uncover a MeSA hydrolytic enzyme, MES7, regulates seed germination via altering SA titer under normal and abiotic stress conditions.
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Affiliation(s)
- Wenrui Gao
- Department of Plant Biology and Ecology, College of Life Sciences, Nankai University and Tianjin Key Laboratory of Protein Science, Tianjin 300071, China;
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China; (Y.L.); (J.H.); (Y.C.); (C.C.); (L.L.); (H.Z.)
| | - Yan Liu
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China; (Y.L.); (J.H.); (Y.C.); (C.C.); (L.L.); (H.Z.)
- CAS Center for Excellence in Biotic Interactions, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Juan Huang
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China; (Y.L.); (J.H.); (Y.C.); (C.C.); (L.L.); (H.Z.)
- CAS Center for Excellence in Biotic Interactions, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yaqiu Chen
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China; (Y.L.); (J.H.); (Y.C.); (C.C.); (L.L.); (H.Z.)
- Department of Life Sciences, Henan Normal University, Xinxiang 453007, China
| | - Chen Chen
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China; (Y.L.); (J.H.); (Y.C.); (C.C.); (L.L.); (H.Z.)
- College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China
| | - Lu Lu
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China; (Y.L.); (J.H.); (Y.C.); (C.C.); (L.L.); (H.Z.)
| | - Hongwei Zhao
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China; (Y.L.); (J.H.); (Y.C.); (C.C.); (L.L.); (H.Z.)
- College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China
| | - Shuzhen Men
- Department of Plant Biology and Ecology, College of Life Sciences, Nankai University and Tianjin Key Laboratory of Protein Science, Tianjin 300071, China;
- Correspondence: (S.M.); (X.Z.)
| | - Xiaoming Zhang
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China; (Y.L.); (J.H.); (Y.C.); (C.C.); (L.L.); (H.Z.)
- CAS Center for Excellence in Biotic Interactions, University of Chinese Academy of Sciences, Beijing 100049, China
- Correspondence: (S.M.); (X.Z.)
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20
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Xue X, Jiao F, Xu H, Jiao Q, Zhang X, Zhang Y, Du S, Xi M, Wang A, Chen J, Wang M. The role of RNA-binding protein, microRNA and alternative splicing in seed germination: a field need to be discovered. BMC PLANT BIOLOGY 2021; 21:194. [PMID: 33882821 PMCID: PMC8061022 DOI: 10.1186/s12870-021-02966-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Accepted: 04/07/2021] [Indexed: 05/20/2023]
Abstract
Seed germination is the process through which a quiescent organ reactivates its metabolism culminating with the resumption cell divisions. It is usually the growth of a plant contained within a seed and results in the formation of a seedling. Post-transcriptional regulation plays an important role in gene expression. In cells, post-transcriptional regulation is mediated by many factors, such as RNA-binding proteins, microRNAs, and the spliceosome. This review provides an overview of the relationship between seed germination and post-transcriptional regulation. It addresses the relationship between seed germination and RNA-binding proteins, microRNAs and alternative splicing. This presentation of the current state of the knowledge will promote new investigations into the relevance of the interactions between seed germination and post-transcriptional regulation in plants.
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Affiliation(s)
- Xiaofei Xue
- College of Agronomy, Qingdao Agricultural University, Qingdao, 266109, China
| | - Fuchao Jiao
- College of Agronomy, Qingdao Agricultural University, Qingdao, 266109, China
- Dryland-Technology Key Laboratory of Shandong Province, Qingdao Agricultural, Qingdao, 266109, China
| | - Haicheng Xu
- Administrative Committee of Yellow River Delta Agri-High-Tech Industry Demonstration Zone, Dongying, 257347, China
| | - Qiqing Jiao
- Shandong Institute of Pomology, Tai'an, 271000, China
| | - Xin Zhang
- Jinan Fruit Research Institute, All China Federation of Supply and Marketing Co-operatives, Jinan, 250000, China
| | - Yong Zhang
- Shandong Academy of Agricultural Sciences, Jinan, 250000, China
| | - Shangyi Du
- College of Agronomy, Qingdao Agricultural University, Qingdao, 266109, China
| | - Menghan Xi
- College of Agronomy, Qingdao Agricultural University, Qingdao, 266109, China
| | - Aiguo Wang
- College of Agronomy, Qingdao Agricultural University, Qingdao, 266109, China
| | - Jingtang Chen
- College of Agronomy, Qingdao Agricultural University, Qingdao, 266109, China
- Dryland-Technology Key Laboratory of Shandong Province, Qingdao Agricultural, Qingdao, 266109, China
| | - Ming Wang
- College of Agronomy, Qingdao Agricultural University, Qingdao, 266109, China.
- Dryland-Technology Key Laboratory of Shandong Province, Qingdao Agricultural, Qingdao, 266109, China.
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21
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Shi XP, Ren JJ, Qi HD, Lin Y, Wang YY, Li DF, Kong LJ, Wang XL. Plant-Specific AtS40.4 Acts as a Negative Regulator in Abscisic Acid Signaling During Seed Germination and Seedling Growth in Arabidopsis. FRONTIERS IN PLANT SCIENCE 2021; 12:622201. [PMID: 33613604 PMCID: PMC7889505 DOI: 10.3389/fpls.2021.622201] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 01/15/2021] [Indexed: 06/01/2023]
Abstract
Abscisic acid (ABA) is an important phytohormone regulating plant growth, development and stress responses. A multitude of key factors implicated in ABA signaling have been identified; however, the regulation network of these factors needs for further information. AtS40.4, a plant-specific DUF584 domain-containing protein, was identified previously as a senescence regulator in Arabidopsis. In this study, our finding showed that AtS40.4 was negatively involved in ABA signaling during seed germination and early seedling growth. AtS40.4 was highly expressed in seeds and seedlings, and the expression level was promoted by ABA. AtS40.4 was localized both in the nucleus and the cytoplasm. Moreover, the subcellular localization pattern of AtS40.4 was affected by ABA. The knockdown mutants of AtS40.4 exhibited an increased sensitivity to ABA, whereas the overexpression of AtS40.4 decreased the ABA response during seed germination and seedling growth of Arabidopsis. Furthermore, AtS40.4 was involved in ABRE-dependent ABA signaling and influenced the expression levels of ABA INSENTIVE (ABI)1-5 and SnRK2.6. Further genetic evidence demonstrated that AtS40.4 functioned upstream of ABI4. These findings support the notion that AtS40.4 is a novel negative regulator of the ABA response network during seed germination and early seedling growth.
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Affiliation(s)
- Xiao-Pu Shi
- National Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Tai’an, China
- Biology and Food Engineering School, Fuyang Normal University, Fuyang, China
| | - Jing-Jing Ren
- National Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Tai’an, China
| | - Hao-Dong Qi
- National Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Tai’an, China
| | - Yi Lin
- National Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Tai’an, China
| | - Yu-Yi Wang
- National Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Tai’an, China
| | - De-Feng Li
- Shandong Lufeng Group Co., Ltd., Anqiu, China
| | - Lan-Jing Kong
- National Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Tai’an, China
| | - Xiu-Ling Wang
- National Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Tai’an, China
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22
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Jia P, Xing L, Zhang C, Zhang D, Ma J, Zhao C, Han M, Ren X, An N. MdKNOX19, a class II knotted-like transcription factor of apple, plays roles in ABA signalling/sensitivity by targeting ABI5 during organ development. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2021; 302:110701. [PMID: 33288014 DOI: 10.1016/j.plantsci.2020.110701] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 09/23/2020] [Accepted: 09/30/2020] [Indexed: 05/10/2023]
Abstract
The ABI5 transcription factor, which is a core component of the ABA signaling pathway, affects various plant processes, including seed development and germination and responses to environmental cues. The knotted1-like homeobox (KNOX) transcription factor has crucial functions related to plant development, including the regulation of various hormones. In this study, an ABA-responsive KNOX gene, MdKNOX19, was identified in apple (Malus domestica). The overexpression of MdKNOX19 increased the ABA sensitivity of apple calli, resulting in a dramatic up-regulation in the transcription of the Arabidopsis ABI5-like MdABI5 gene. Additionally, MdKNOX19 overexpression in Micro-Tom adversely affected fruit size and seed yield as well as enhanced ABA sensitivity and up-regulated SlABI5 transcription during seed germination and early seedling development. An examination of MdKNOX19-overexpressing Arabidopsis plants also revealed severe defects in seed development and up-regulated expression of ABA-responsive genes. Furthermore, we further confirmed that MdKNOX19 binds directly to the MdABI5 promoter to activate expression. Our findings suggest MdKNOX19 is a positive regulator of ABI5 expression, and the conserved module MdKNOX19-MdABI5-ABA may contribute to organ development.
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Affiliation(s)
- Peng Jia
- College of Horticulture, Northwest Agriculture and Forestry University, Yangling, Shaanxi, 712100, China
| | - Libo Xing
- College of Horticulture, Northwest Agriculture and Forestry University, Yangling, Shaanxi, 712100, China
| | - Chenguang Zhang
- College of Horticulture, Northwest Agriculture and Forestry University, Yangling, Shaanxi, 712100, China
| | - Dong Zhang
- College of Horticulture, Northwest Agriculture and Forestry University, Yangling, Shaanxi, 712100, China
| | - Juanjuan Ma
- College of Horticulture, Northwest Agriculture and Forestry University, Yangling, Shaanxi, 712100, China
| | - Caiping Zhao
- College of Horticulture, Northwest Agriculture and Forestry University, Yangling, Shaanxi, 712100, China
| | - Mingyu Han
- College of Horticulture, Northwest Agriculture and Forestry University, Yangling, Shaanxi, 712100, China
| | - Xiaolin Ren
- College of Horticulture, Northwest Agriculture and Forestry University, Yangling, Shaanxi, 712100, China
| | - Na An
- College of Horticulture, Northwest Agriculture and Forestry University, Yangling, Shaanxi, 712100, China; College of Life Sciences, Northwest Agriculture and Forestry University, Yangling, Shaanxi, 712100, China.
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23
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Nguyen HN, Perry L, Kisiala A, Olechowski H, Emery RJN. Cytokinin activity during early kernel development corresponds positively with yield potential and later stage ABA accumulation in field-grown wheat (Triticum aestivum L.). PLANTA 2020; 252:76. [PMID: 33030628 DOI: 10.1007/s00425-020-03483-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Accepted: 09/28/2020] [Indexed: 05/08/2023]
Abstract
Early cytokinin activity and late abscisic acid dynamics during wheat kernel development correspond to cultivars with higher yield potential. Cytokinins represent prime targets for marker development for wheat breeding programs. Two major phytohormone groups, abscisic acid (ABA) and cytokinins (CKs), are of crucial importance for seed development. Wheat (Triticum aestivum L.) yield is, to a high degree, determined during the milk and dough stages of kernel development. Therefore, understanding the hormonal regulation of these early growth stages is fundamental for crop-improvement programs of this important cereal. Here, we profiled ABA and 25 CK metabolites (including active forms, precursors and inactive conjugates) during kernel development in five field-grown wheat cultivars. The levels of ABA and profiles of CK forms varied greatly among the tested cultivars and kernel stages suggesting that several types of CK metabolites are involved in spatiotemporal regulation of kernel development. The seed yield potential was associated with the elevated levels of active CK levels (tZ, cZ). Interestingly, the increased kernel cZ levels were followed by higher ABA production, suggesting there is an interaction between these two phytohormones. Furthermore, we analyzed the expression patterns of representatives of the four main CK metabolic gene families. The unique transcriptional patterns of the IPT (biosynthesis) and ZOG (reversible inactivation) gene family members (GFMs) in the high and low yield cultivars additionally indicate that there is a significant association between CK metabolism and yield potential in wheat. Based on these results, we suggest that both CK metabolites and their associated genes, can serve as important, early markers of yield performance in modern wheat breeding programs.
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Affiliation(s)
- Hai Ngoc Nguyen
- Biology Department, Trent University, 1600 West Bank Drive, Peterborough, ON, K9L 0G2, Canada.
| | - Laura Perry
- Biology Department, Trent University, 1600 West Bank Drive, Peterborough, ON, K9L 0G2, Canada
| | - Anna Kisiala
- Biology Department, Trent University, 1600 West Bank Drive, Peterborough, ON, K9L 0G2, Canada
| | - Henry Olechowski
- Dow Chemical Canada ULC, Suite 2400-215 2nd Street S.W., Calgary, AB, T2P 1M4, Canada
| | - R J Neil Emery
- Biology Department, Trent University, 1600 West Bank Drive, Peterborough, ON, K9L 0G2, Canada
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24
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Zhao H, Nie K, Zhou H, Yan X, Zhan Q, Zheng Y, Song CP. ABI5 modulates seed germination via feedback regulation of the expression of the PYR/PYL/RCAR ABA receptor genes. THE NEW PHYTOLOGIST 2020; 228:596-608. [PMID: 32473058 DOI: 10.1111/nph.16713] [Citation(s) in RCA: 82] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Accepted: 05/18/2020] [Indexed: 05/20/2023]
Abstract
As abscisic acid (ABA) receptors, PYR1/PYL/RCAR (PYLs) play important roles in ABA-mediated seed germination, but the regulation of PYLs in this process, especially at the transcriptional level, remains unclear. In this study, we found that expression of 11 of 14 PYLs changes significantly during seed germination and is affected by exogenous ABA. Two PYLs, PYL11 and PYL12, both of which are expressed specifically in mature seeds, positively modulate ABA-mediated seed germination. However, ABI5 was found to modulate the PYL11- and PYL12-mediated ABA response. In the abi5-7 mutant, ABA hypersensitivity caused by PYL11 and PYL12 overexpression was totally or partially blocked. By contrast, ABI5 regulates the expression of PYL11 and PYL12 by directly binding to their promoters. Moreover, the expression of eight other PYLs is also affected during the germination of abi5 mutants. Promoter analysis revealed that an ABI5-binding region is present next to the TATA box or initiator box. Together, our data demonstrate the role of PYL11 and PYL12 in seed germination. In addition, the identification of PYLs as targets of ABI5 reveals a role of ABI5 in the feedback regulation of ABA-mediated seed germination.
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Affiliation(s)
- Hongyun Zhao
- State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, Kaifeng, 475001, China
| | - Kaili Nie
- State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, Kaifeng, 475001, China
| | - Huapeng Zhou
- Key Laboratory of Bio-resource and Eco-environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, 610064, China
| | - Xiaojing Yan
- State Key Laboratory of Tree Genetics and Breeding, Chinese Academy of Forestry, Beijing, 100091, China
| | - Qidi Zhan
- State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, Kaifeng, 475001, China
| | - Yuan Zheng
- State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, Kaifeng, 475001, China
| | - Chun-Peng Song
- State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, Kaifeng, 475001, China
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Differential Gene Expression Responding to Low Phosphate Stress in Leaves and Roots of Maize by cDNA-SRAP. BIOMED RESEARCH INTERNATIONAL 2020; 2020:8420151. [PMID: 32775444 PMCID: PMC7391117 DOI: 10.1155/2020/8420151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Accepted: 07/09/2020] [Indexed: 11/18/2022]
Abstract
Phosphate (Pi) deficiency in soil can have severe impacts on the growth, development, and production of maize worldwide. In this study, a cDNA-sequence-related amplified polymorphism (cDNA-SRAP) transcript profiling technique was used to evaluate the gene expression in leaves and roots of maize under Pi stress for seven days. A total of 2494 differentially expressed fragments (DEFs) were identified in response to Pi starvation with 1202 and 1292 DEFs in leaves and roots, respectively, using a total of 60 primer pairs in the cDNA-SRAP analysis. These DEFs were categorized into 13 differential gene expression patterns. Results of sequencing and functional analysis showed that 63 DEFs (33 in leaves and 30 in roots) were annotated to a total of 54 genes involved in diverse groups of biological pathways, including metabolism, photosynthesis, signal transduction, transcription, transport, cellular processes, genetic information, and organismal system. This study demonstrated that (1) the cDNA-SRAP transcriptomic profiling technique is a powerful method to analyze differential gene expression in maize showing advantageous features among several transcriptomic methods; (2) maize undergoes a complex adaptive process in response to low Pi stress; and (3) a total of seven differentially expressed genes were identified in response to low Pi stress in leaves or roots of maize and could be used in the genetic modification of maize.
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26
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Nghia DHT, Chuong NN, Hoang XLT, Nguyen NC, Tu NHC, Huy NVG, Ha BTT, Nam TNH, Thu NBA, Tran LSP, Thao NP. Heterologous Expression of a Soybean Gene RR34 Conferred Improved Drought Resistance of Transgenic Arabidopsis. PLANTS (BASEL, SWITZERLAND) 2020; 9:E494. [PMID: 32290594 PMCID: PMC7238260 DOI: 10.3390/plants9040494] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 04/08/2020] [Accepted: 04/09/2020] [Indexed: 12/19/2022]
Abstract
Two-component systems (TCSs) have been identified as participants in mediating plant response to water deficit. Nevertheless, insights of their contribution to plant drought responses and associated regulatory mechanisms remain limited. Herein, a soybean response regulator (RR) gene RR34, which is the potential drought-responsive downstream member of a TCS, was ectopically expressed in the model plant Arabidopsis for the analysis of its biological roles in drought stress response. Results from the survival test revealed outstanding recovery ratios of 52%-53% in the examined transgenic lines compared with 28% of the wild-type plants. Additionally, remarkedly lower water loss rates in detached leaves as well as enhanced antioxidant enzyme activities of catalase and superoxide dismutase were observed in the transgenic group. Further transcriptional analysis of a subset of drought-responsive genes demonstrated higher expression in GmRR34-transgenic plants upon exposure to drought, including abscisic acid (ABA)-related genes NCED3, OST1, ABI5, and RAB18. These ectopic expression lines also displayed hypersensitivity to ABA treatment at germination and post-germination stages. Collectively, these findings indicated the ABA-associated mode of action of GmRR34 in conferring better plant performance under the adverse drought conditions.
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Affiliation(s)
- Duong Hoang Trong Nghia
- Applied Biotechnology for Crop Development Research Unit, School of Biotechnology, International University, Ho Chi Minh City 700000, Vietnam; (D.H.T.N.); (N.N.C.); (X.L.T.H.); (N.C.N.); (N.H.C.T.); (N.V.G.H.); (B.T.T.H.); (T.N.H.N.); (N.B.A.T.)
- Vietnam National University, Ho Chi Minh City 700000, Vietnam
| | - Nguyen Nguyen Chuong
- Applied Biotechnology for Crop Development Research Unit, School of Biotechnology, International University, Ho Chi Minh City 700000, Vietnam; (D.H.T.N.); (N.N.C.); (X.L.T.H.); (N.C.N.); (N.H.C.T.); (N.V.G.H.); (B.T.T.H.); (T.N.H.N.); (N.B.A.T.)
- Vietnam National University, Ho Chi Minh City 700000, Vietnam
| | - Xuan Lan Thi Hoang
- Applied Biotechnology for Crop Development Research Unit, School of Biotechnology, International University, Ho Chi Minh City 700000, Vietnam; (D.H.T.N.); (N.N.C.); (X.L.T.H.); (N.C.N.); (N.H.C.T.); (N.V.G.H.); (B.T.T.H.); (T.N.H.N.); (N.B.A.T.)
- Vietnam National University, Ho Chi Minh City 700000, Vietnam
| | - Nguyen Cao Nguyen
- Applied Biotechnology for Crop Development Research Unit, School of Biotechnology, International University, Ho Chi Minh City 700000, Vietnam; (D.H.T.N.); (N.N.C.); (X.L.T.H.); (N.C.N.); (N.H.C.T.); (N.V.G.H.); (B.T.T.H.); (T.N.H.N.); (N.B.A.T.)
- Vietnam National University, Ho Chi Minh City 700000, Vietnam
| | - Nguyen Huu Cam Tu
- Applied Biotechnology for Crop Development Research Unit, School of Biotechnology, International University, Ho Chi Minh City 700000, Vietnam; (D.H.T.N.); (N.N.C.); (X.L.T.H.); (N.C.N.); (N.H.C.T.); (N.V.G.H.); (B.T.T.H.); (T.N.H.N.); (N.B.A.T.)
- Vietnam National University, Ho Chi Minh City 700000, Vietnam
| | - Nguyen Van Gia Huy
- Applied Biotechnology for Crop Development Research Unit, School of Biotechnology, International University, Ho Chi Minh City 700000, Vietnam; (D.H.T.N.); (N.N.C.); (X.L.T.H.); (N.C.N.); (N.H.C.T.); (N.V.G.H.); (B.T.T.H.); (T.N.H.N.); (N.B.A.T.)
- Vietnam National University, Ho Chi Minh City 700000, Vietnam
| | - Bui Thi Thanh Ha
- Applied Biotechnology for Crop Development Research Unit, School of Biotechnology, International University, Ho Chi Minh City 700000, Vietnam; (D.H.T.N.); (N.N.C.); (X.L.T.H.); (N.C.N.); (N.H.C.T.); (N.V.G.H.); (B.T.T.H.); (T.N.H.N.); (N.B.A.T.)
- Vietnam National University, Ho Chi Minh City 700000, Vietnam
| | - Thai Nguyen Hoang Nam
- Applied Biotechnology for Crop Development Research Unit, School of Biotechnology, International University, Ho Chi Minh City 700000, Vietnam; (D.H.T.N.); (N.N.C.); (X.L.T.H.); (N.C.N.); (N.H.C.T.); (N.V.G.H.); (B.T.T.H.); (T.N.H.N.); (N.B.A.T.)
- Vietnam National University, Ho Chi Minh City 700000, Vietnam
| | - Nguyen Binh Anh Thu
- Applied Biotechnology for Crop Development Research Unit, School of Biotechnology, International University, Ho Chi Minh City 700000, Vietnam; (D.H.T.N.); (N.N.C.); (X.L.T.H.); (N.C.N.); (N.H.C.T.); (N.V.G.H.); (B.T.T.H.); (T.N.H.N.); (N.B.A.T.)
- Vietnam National University, Ho Chi Minh City 700000, Vietnam
| | - Lam-Son Phan Tran
- Institute of Research and Development, Duy Tan University, 03 Quang Trung, Da Nang 550000, Vietnam;
- Stress Adaptation Research Unit, RIKEN Center for Sustainable Resource Science, 1-7-22, Suehiro-cho, Tsurumi, Yokohama 230-0045, Japan
| | - Nguyen Phuong Thao
- Applied Biotechnology for Crop Development Research Unit, School of Biotechnology, International University, Ho Chi Minh City 700000, Vietnam; (D.H.T.N.); (N.N.C.); (X.L.T.H.); (N.C.N.); (N.H.C.T.); (N.V.G.H.); (B.T.T.H.); (T.N.H.N.); (N.B.A.T.)
- Vietnam National University, Ho Chi Minh City 700000, Vietnam
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27
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Li G, Zhang C, Zhang G, Fu W, Feng B, Chen T, Peng S, Tao L, Fu G. Abscisic Acid Negatively Modulates Heat Tolerance in Rolled Leaf Rice by Increasing Leaf Temperature and Regulating Energy Homeostasis. RICE (NEW YORK, N.Y.) 2020; 13:18. [PMID: 32170463 PMCID: PMC7070142 DOI: 10.1186/s12284-020-00379-3] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Accepted: 01/28/2020] [Indexed: 05/03/2023]
Abstract
BACKGROUND Abscisic acid (ABA) acts as a signaling hormone in plants against abiotic stress, but its function in energy homeostasis under heat stress is unclear. RESULTS Two rice genotypes, Nipponbare (wild-type, WT) with flat leaves and its mutant high temperature susceptibility (hts) plant with semi-rolled leaves, were subjected to heat stress. We found significantly higher tissue temperature, respiration rate, and ABA and H2O2 contents in leaves as well as a lower transpiration rate and stomatal conductance in hts than WT plants. Additionally, increased expression of HSP71.1 and HSP24.1 as well as greater increases in carbohydrate content, ATP, NAD (H), and dry matter weight, were detected in WT than hts plants under heat stress. More importantly, exogenous ABA significantly decreased heat tolerance of hts plants, but clearly enhanced heat resistance of WT plants. The increases in carbohydrates, ATP, NAD (H), and heat shock proteins in WT plants were enhanced by ABA under heat stress, whereas these increases were reduced in hts plants. CONCLUSION It was concluded that ABA is a negative regulator of heat tolerance in hts plants with semi-rolled leaves by modulating energy homeostasis.
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Affiliation(s)
- Guangyan Li
- National Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou, 310006 Zhejiang China
- Crop Production and Physiology Center (CPPC), College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, 430070 Hubei China
| | - Caixia Zhang
- State Key Laboratory of Crop Biology and College of Agronomy, Shandong Agricultural University, Tai’an, 271018 Shandong China
| | - Guangheng Zhang
- National Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou, 310006 Zhejiang China
| | - Weimeng Fu
- National Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou, 310006 Zhejiang China
| | - Baohua Feng
- National Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou, 310006 Zhejiang China
| | - Tingting Chen
- National Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou, 310006 Zhejiang China
| | - Shaobing Peng
- Crop Production and Physiology Center (CPPC), College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, 430070 Hubei China
| | - Longxing Tao
- National Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou, 310006 Zhejiang China
| | - Guanfu Fu
- National Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou, 310006 Zhejiang China
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28
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Berka M, Luklová M, Dufková H, Berková V, Novák J, Saiz-Fernández I, Rashotte AM, Brzobohatý B, Černý M. Barley Root Proteome and Metabolome in Response to Cytokinin and Abiotic Stimuli. FRONTIERS IN PLANT SCIENCE 2020; 11:590337. [PMID: 33250914 PMCID: PMC7673457 DOI: 10.3389/fpls.2020.590337] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Accepted: 10/05/2020] [Indexed: 05/03/2023]
Abstract
Cytokinin is a phytohormone involved in the regulation of diverse developmental and physiological processes in plants. Its potential in biotechnology and for development of higher-yield and more resilient plants has been recognized, yet the molecular mechanisms behind its action are far from understood. In this report, the roots of barley seedlings were explored as a new source to reveal as yet unknown cytokinin-responsive proteins for crop improvement. Here we found significant differences reproducibly observed for 178 proteins, for which some of the revealed cytokinin-responsive pathways were confirmed in metabolome analysis, including alterations phenylpropanoid pathway, amino acid biosynthesis and ROS metabolism. Bioinformatics analysis indicated a significant overlap between cytokinin response and response to abiotic stress. This was confirmed by comparing proteome and metabolome profiles in response to drought, salinity or a period of temperature stress. The results illustrate complex abiotic stress response in the early development of model crop plant and confirm an extensive crosstalk between plant hormone cytokinin and response to temperature stimuli, water availability or salinity stress.
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Affiliation(s)
- Miroslav Berka
- Department of Molecular Biology and Radiobiology, Faculty of AgriSciences, Mendel University in Brno, Brno, Czechia
| | - Markéta Luklová
- Department of Molecular Biology and Radiobiology, Faculty of AgriSciences, Mendel University in Brno, Brno, Czechia
| | - Hana Dufková
- Department of Molecular Biology and Radiobiology, Faculty of AgriSciences, Mendel University in Brno, Brno, Czechia
| | - Veronika Berková
- Department of Molecular Biology and Radiobiology, Faculty of AgriSciences, Mendel University in Brno, Brno, Czechia
| | - Jan Novák
- Department of Molecular Biology and Radiobiology, Faculty of AgriSciences, Mendel University in Brno, Brno, Czechia
| | - Iñigo Saiz-Fernández
- Department of Molecular Biology and Radiobiology, Faculty of AgriSciences, Mendel University in Brno, Brno, Czechia
| | - Aaron M. Rashotte
- Department of Biological Sciences, Auburn University, Auburn, AL, United States
| | - Břetislav Brzobohatý
- Department of Molecular Biology and Radiobiology, Faculty of AgriSciences, Mendel University in Brno, Brno, Czechia
- Central European Institute of Technology, Faculty of AgriSciences, Mendel University in Brno, Brno, Czechia
| | - Martin Černý
- Department of Molecular Biology and Radiobiology, Faculty of AgriSciences, Mendel University in Brno, Brno, Czechia
- *Correspondence: Martin Černý,
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29
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Collin A, Daszkowska-Golec A, Kurowska M, Szarejko I. Barley ABI5 ( Abscisic Acid INSENSITIVE 5) Is Involved in Abscisic Acid-Dependent Drought Response. FRONTIERS IN PLANT SCIENCE 2020; 11:1138. [PMID: 32849699 PMCID: PMC7405899 DOI: 10.3389/fpls.2020.01138] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Accepted: 07/14/2020] [Indexed: 05/18/2023]
Abstract
ABA INSENSITIVE 5 (ABI5) is a basic leucine zipper (bZIP) transcription factor which acts in the abscisic acid (ABA) network and is activated in response to abiotic stresses. However, the precise role of barley (Hordeum vulgare) ABI5 in ABA signaling and its function under stress remains elusive. Here, we show that HvABI5 is involved in ABA-dependent regulation of barley response to drought stress. We identified barley TILLING mutants carrying different alleles in the HvABI5 gene and we studied in detail the physiological and molecular response to drought and ABA for one of them. The hvabi5.d mutant, carrying G1751A transition, was insensitive to ABA during seed germination, yet it showed the ability to store more water than its parent cv. "Sebastian" (WT) in response to drought stress. The drought-tolerant phenotype of hvabi5.d was associated with better membrane protection, higher flavonoid content, and faster stomatal closure in the mutant under stress compared to the WT. The microarray transcriptome analysis revealed up-regulation of genes associated with cell protection mechanisms in the mutant. Furthermore, HvABI5 target genes: HVA1 and HVA22 showed higher activity after drought, which may imply better adaptation of hvabi5.d to stress. On the other hand, chlorophyll content in hvabi5.d was lower than in WT, which was associated with decreased photosynthesis efficiency observed in the mutant after drought treatment. To verify that HvABI5 acts in the ABA-dependent manner we analyzed expression of selected genes related to ABA pathway in hvabi5.d and its WT parent after drought and ABA treatments. The expression of key genes involved in ABA metabolism and signaling differed in the mutant and the WT under stress. Drought-induced increase of expression of HvNCED1, HvBG8, HvSnRK2.1, and HvPP2C4 genes was 2-20 times higher in hvabi5.d compared to "Sebastian". We also observed a faster stomatal closure in hvabi5.d and much higher induction of HvNCED1 and HvSnRK2.1 genes after ABA treatment. Together, these findings demonstrate that HvABI5 plays a role in regulation of drought response in barley and suggest that HvABI5 might be engaged in the fine tuning of ABA signaling by a feedback regulation between biosynthetic and signaling events. In addition, they point to different mechanisms of HvABI5 action in regulating drought response and seed germination in barley.
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30
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Hoang XLT, Nguyen NC, Nguyen YNH, Watanabe Y, Tran LSP, Thao NP. The Soybean GmNAC019 Transcription Factor Mediates Drought Tolerance in Arabidopsis in an Abscisic Acid-Dependent Manner. Int J Mol Sci 2019; 21:E286. [PMID: 31906240 PMCID: PMC6981368 DOI: 10.3390/ijms21010286] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2019] [Accepted: 12/27/2019] [Indexed: 12/27/2022] Open
Abstract
Being master regulators of gene expression, transcription factors (TFs) play important roles in determining plant growth, development and reproduction. To date, many TFs have been shown to positively mediate plant responses to environmental stresses. In the current study, the biological functions of a stress-responsive NAC [NAM (No Apical Meristem), ATAF1/2 (Arabidopsis Transcription Activation Factor1/2), CUC2 (Cup-shaped Cotyledon2)]-TF encoding gene isolated from soybean (GmNAC019) in relation to plant drought tolerance and abscisic acid (ABA) responses were investigated. By using a heterologous transgenic system, we revealed that transgenic Arabidopsis plants constitutively expressing the GmNAC019 gene exhibited higher survival rates in a soil-drying assay, which was associated with lower water loss rate in detached leaves, lower cellular hydrogen peroxide content and stronger antioxidant defense under water-stressed conditions. Additionally, the exogenous treatment of transgenic plants with ABA showed their hypersensitivity to this phytohormone, exhibiting lower rates of seed germination and green cotyledons. Taken together, these findings demonstrated that GmNAC019 functions as a positive regulator of ABA-mediated plant response to drought, and thus, it has potential utility for improving plant tolerance through molecular biotechnology.
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Affiliation(s)
- Xuan Lan Thi Hoang
- Applied Biotechnology for Crop Development Research Unit, School of Biotechnology, International University–Vietnam National University HCMC, Ho Chi Minh 700000, Vietnam; (X.L.T.H.); (N.C.N.); (Y.-N.H.N.)
| | - Nguyen Cao Nguyen
- Applied Biotechnology for Crop Development Research Unit, School of Biotechnology, International University–Vietnam National University HCMC, Ho Chi Minh 700000, Vietnam; (X.L.T.H.); (N.C.N.); (Y.-N.H.N.)
| | - Yen-Nhi Hoang Nguyen
- Applied Biotechnology for Crop Development Research Unit, School of Biotechnology, International University–Vietnam National University HCMC, Ho Chi Minh 700000, Vietnam; (X.L.T.H.); (N.C.N.); (Y.-N.H.N.)
| | - Yasuko Watanabe
- Stress Adaptation Research Unit, RIKEN Center for Sustainable Resource Science, 1-7-22, Suehiro-cho, Tsurumi, Yokohama 230-0045, Japan;
| | - Lam-Son Phan Tran
- Stress Adaptation Research Unit, RIKEN Center for Sustainable Resource Science, 1-7-22, Suehiro-cho, Tsurumi, Yokohama 230-0045, Japan;
- Institute of Research and Development, Duy Tan University, 03 Quang Trung, Da Nang 550000, Vietnam
| | - Nguyen Phuong Thao
- Applied Biotechnology for Crop Development Research Unit, School of Biotechnology, International University–Vietnam National University HCMC, Ho Chi Minh 700000, Vietnam; (X.L.T.H.); (N.C.N.); (Y.-N.H.N.)
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31
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Nguyen NC, Hoang XLT, Nguyen QT, Binh NX, Watanabe Y, Thao NP, Tran LSP. Ectopic Expression of Glycine maxGmNAC109 Enhances Drought Tolerance and ABA Sensitivity in Arabidopsis. Biomolecules 2019; 9:E714. [PMID: 31703428 PMCID: PMC6920929 DOI: 10.3390/biom9110714] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Revised: 10/28/2019] [Accepted: 11/01/2019] [Indexed: 01/09/2023] Open
Abstract
The NAC (NAM, ATAF1/2, CUC2) transcription factors are widely known for their various functions in plant development and stress tolerance. Previous studies have demonstrated that genetic engineering can be applied to enhance drought tolerance via overexpression/ectopic expression of NAC genes. In the present study, the dehydration- and drought-inducible GmNAC109 from Glycine max was ectopically expressed in Arabidopsis (GmNAC109-EX) plants to study its biological functions in mediating plant adaptation to water deficit conditions. Results revealed an improved drought tolerance in the transgenic plants, which displayed greater recovery rates by 20% to 54% than did the wild-type plants. In support of this finding, GmNAC109-EX plants exhibited lower water loss rates and decreased endogenous hydrogen peroxide production in leaf tissues under drought, as well as higher sensitivity to exogenous abscisic acid (ABA) treatment at germination and early seedling development stages. In addition, analyses of antioxidant enzymes indicated that GmNAC109-EX plants possessed stronger activities of superoxide dismutase and catalase under drought stress. These results together demonstrated that GmNAC109 acts as a positive transcriptional regulator in the ABA-signaling pathway, enabling plants to cope with adverse water deficit conditions.
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Affiliation(s)
- Nguyen Cao Nguyen
- School of Biotechnology, International University—Vietnam National University HCMC, Ho Chi Minh 700000, Vietnam; (N.C.N.); (X.L.T.H.); (Q.T.N.)
| | - Xuan Lan Thi Hoang
- School of Biotechnology, International University—Vietnam National University HCMC, Ho Chi Minh 700000, Vietnam; (N.C.N.); (X.L.T.H.); (Q.T.N.)
| | - Quang Thien Nguyen
- School of Biotechnology, International University—Vietnam National University HCMC, Ho Chi Minh 700000, Vietnam; (N.C.N.); (X.L.T.H.); (Q.T.N.)
| | - Ngo Xuan Binh
- Faculty of Biotechnology and Food Technology, Thai Nguyen University of Agriculture and Forestry, Thai Nguyen 250000, Vietnam;
| | - Yasuko Watanabe
- Stress Adaptation Research Unit, RIKEN Center for Sustainable Resource Science, 1-7-22, Suehiro-cho, Tsurumi, Yokohama 230-0045, Japan;
| | - Nguyen Phuong Thao
- School of Biotechnology, International University—Vietnam National University HCMC, Ho Chi Minh 700000, Vietnam; (N.C.N.); (X.L.T.H.); (Q.T.N.)
| | - Lam-Son Phan Tran
- Institute of Research and Development, Duy Tan University, 03 Quang Trung, Da Nang, Vietnam; Stress Adaptation Research Unit, RIKEN Center for Sustainable Resource Science, 1-7-22, Suehiro-cho, Tsurumi, Yokohama 230-0045, Japan
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32
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Ren R, Li D, Zhen C, Chen D, Chen X. Specific roles of Os4BGlu10, Os6BGlu24, and Os9BGlu33 in seed germination, root elongation, and drought tolerance in rice. PLANTA 2019; 249:1851-1861. [PMID: 30848355 DOI: 10.1007/s00425-019-03125-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Accepted: 03/04/2019] [Indexed: 06/09/2023]
Abstract
Morphological, physiological, and gene expression analyses showed that Os4BGlu10, Os6BGlu24, and Os9BGlu33 played specific roles in seed germination, root elongation, and drought tolerance of rice, with various relations with indole-3-acetic acid (IAA) and abscisic acid (ABA) signaling. β-Glucosidases (BGlus) belong to glycoside hydrolase family 1 and have many functions in plants. In this study, we investigated the function of three BGlus in seed germination, drought tolerance, and root elongation using the loss-of-function mutants bglu10, bglu24, and bglu33. These mutants germinated slightly later under normal conditions and had significantly longer roots than the wild type. In the presence of ABA, bglu10 and bglu24 exhibited a higher germination inhibition percentage, whereas bglu33 had a lower germination inhibition percentage, compared to the wild type. All of the mutants exhibited less drought tolerance, with the survival rates significantly lower than that of the wild type, which was also confirmed by a decrease in relative leaf water content and Fv/Fm ratio after drought treatment. The root length of bglu10 did not respond to IAA, whereas that of bglu24 responded to a high (0.25 µM) concentration of IAA, and that of bglu33 to a low (0.05 µM) concentration of IAA. The root length of bglu10 and bglu24 did not respond to ABA, whereas that of bglu33 increased significantly in response to a high (0.05 µM) concentration of ABA. Quantitative real-time polymerase chain reaction (qRT-PCR) analysis showed that expression of Os4BGlu10 was up-regulated by polyethylene glycol (PEG), whereas that of Os6BGlu24 was up-regulated by 0.25 µM IAA, and Os9BGlu33 was up-regulated by PEG, IAA, and ABA. Taken together, we demonstrate that Os4BGlu10, Os6BGlu24, and Os9BGlu33 play specific roles in seed germination, root elongation, and drought tolerance with various relation with IAA and ABA signaling.
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Affiliation(s)
- Ruijuan Ren
- Department of Biochemistry and Molecular Biology, College of Life Sciences, Nankai University, Tianjin, 300071, China
| | - Dong Li
- Department of Biochemistry and Molecular Biology, College of Life Sciences, Nankai University, Tianjin, 300071, China
| | - Chunyan Zhen
- Department of Biochemistry and Molecular Biology, College of Life Sciences, Nankai University, Tianjin, 300071, China
| | - Defu Chen
- Department of Genetics and Cell Biology, College of Life Sciences, Nankai University, Tianjin, 300071, China.
| | - Xiwen Chen
- Department of Biochemistry and Molecular Biology, College of Life Sciences, Nankai University, Tianjin, 300071, China.
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33
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Pavlů J, Novák J, Koukalová V, Luklová M, Brzobohatý B, Černý M. Cytokinin at the Crossroads of Abiotic Stress Signalling Pathways. Int J Mol Sci 2018; 19:ijms19082450. [PMID: 30126242 PMCID: PMC6121657 DOI: 10.3390/ijms19082450] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Revised: 08/14/2018] [Accepted: 08/17/2018] [Indexed: 01/13/2023] Open
Abstract
Cytokinin is a multifaceted plant hormone that plays major roles not only in diverse plant growth and development processes, but also stress responses. We summarize knowledge of the roles of its metabolism, transport, and signalling in responses to changes in levels of both macronutrients (nitrogen, phosphorus, potassium, sulphur) and micronutrients (boron, iron, silicon, selenium). We comment on cytokinin's effects on plants' xenobiotic resistance, and its interactions with light, temperature, drought, and salinity signals. Further, we have compiled a list of abiotic stress-related genes and demonstrate that their expression patterns overlap with those of cytokinin metabolism and signalling genes.
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Affiliation(s)
- Jaroslav Pavlů
- Department of Molecular Biology and Radiobiology, Faculty of AgriSciences, Mendel University in Brno, 613 00 Brno, Czech Republic.
- CEITEC-Central European Institute of Technology, Faculty of AgriSciences, Mendel University in Brno, 613 00 Brno, Czech Republic.
| | - Jan Novák
- Department of Molecular Biology and Radiobiology, Faculty of AgriSciences, Mendel University in Brno, 613 00 Brno, Czech Republic.
| | - Vladěna Koukalová
- Department of Molecular Biology and Radiobiology, Faculty of AgriSciences, Mendel University in Brno, 613 00 Brno, Czech Republic.
| | - Markéta Luklová
- Department of Molecular Biology and Radiobiology, Faculty of AgriSciences, Mendel University in Brno, 613 00 Brno, Czech Republic.
- CEITEC-Central European Institute of Technology, Faculty of AgriSciences, Mendel University in Brno, 613 00 Brno, Czech Republic.
| | - Břetislav Brzobohatý
- Department of Molecular Biology and Radiobiology, Faculty of AgriSciences, Mendel University in Brno, 613 00 Brno, Czech Republic.
- CEITEC-Central European Institute of Technology, Faculty of AgriSciences, Mendel University in Brno, 613 00 Brno, Czech Republic.
- Institute of Biophysics AS CR, 612 00 Brno, Czech Republic.
| | - Martin Černý
- Department of Molecular Biology and Radiobiology, Faculty of AgriSciences, Mendel University in Brno, 613 00 Brno, Czech Republic.
- Phytophthora Research Centre, Faculty of AgriSciences, Mendel University in Brno, 613 00 Brno, Czech Republic.
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34
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Wang X, Wang Y, Wang L, Liu H, Zhang B, Cao Q, Liu X, Bi S, Lv Y, Wang Q, Zhang S, He M, Tang S, Yao S, Wang C. Arabidopsis PCaP2 Functions as a Linker Between ABA and SA Signals in Plant Water Deficit Tolerance. FRONTIERS IN PLANT SCIENCE 2018; 9:578. [PMID: 29868051 PMCID: PMC5962825 DOI: 10.3389/fpls.2018.00578] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Accepted: 04/13/2018] [Indexed: 05/29/2023]
Abstract
Water stress has a major influence on plant growth, development, and productivity. However, the cross-talk networks involved in drought tolerance are not well understood. Arabidopsis PCaP2 is a plasma membrane-associated Ca2+-binding protein. In this study, we employ qRT-PCR and β-glucuronidase (GUS) histochemical staining to demonstrate that PCaP2 expression was strongly induced in roots, cotyledons, true leaves, lateral roots, and whole plants under water deficit conditions. Compared with the wild type (WT) plants, PCaP2-overexpressing (PCaP2-OE) plants displayed enhanced water deficit tolerance in terms of seed germination, seedling growth, and plant survival status. On the contrary, PCaP2 mutation and reduction via PCaP2-RNAi rendered plants more sensitive to water deficit. Furthermore, PCaP2-RNAi and pcap2 seedlings showed shorter root hairs and lower relative water content compared to WT under normal conditions and these phenotypes were exacerbated under water deficit. Additionally, the expression of PCaP2 was strongly induced by exogenous abscisic acid (ABA) and salicylic acid (SA) treatments. PCaP2-OE plants showed insensitive to exogenous ABA and SA treatments, in contrast to the susceptible phenotypes of pcap2 and PCaP2-RNAi. It is well-known that SNF1-related kinase 2s (SnRK2s) and pathogenesis-related (PRs) are major factors that influence plant drought tolerance by ABA- and SA-mediated pathways, respectively. Interestingly, PCaP2 positively regulated the expression of drought-inducible genes (RD29A, KIN1, and KIN2), ABA-mediated drought responsive genes (SnRK2.2, -2.3, -2.6, ABF1, -2, -3, -4), and SA-mediated drought responsive genes (PR1, -2, -5) under water deficit, ABA, or SA treatments. Taken together, our results showed that PCaP2 plays an important and positive role in Arabidopsis water deficit tolerance by involving in response to both ABA and SA signals and regulating root hair growth. This study provides novel insights into the underlying cross-talk mechanisms of plants in response to water deficit stress.
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Affiliation(s)
- Xianling Wang
- College of Biological Science and Biotechnology, Shenyang Agricultural University, Shenyang, China
| | - Yu Wang
- College of Biological Science and Biotechnology, Shenyang Agricultural University, Shenyang, China
| | - Lu Wang
- College of Biological Science and Biotechnology, Shenyang Agricultural University, Shenyang, China
| | - Huan Liu
- College of Biological Science and Biotechnology, Shenyang Agricultural University, Shenyang, China
| | - Bing Zhang
- College of Biological Science and Biotechnology, Shenyang Agricultural University, Shenyang, China
| | - Qijiang Cao
- Department of Medicine, HE University School of Clinical Medicine, Shenyang, China
| | - Xinyu Liu
- College of Biological Science and Biotechnology, Shenyang Agricultural University, Shenyang, China
| | - Shuangtian Bi
- College of Biological Science and Biotechnology, Shenyang Agricultural University, Shenyang, China
| | - Yanling Lv
- College of Biological Science and Biotechnology, Shenyang Agricultural University, Shenyang, China
- Vegetable Research Institute of Liaoning Academy of Agricultural Sciences, Shenyang, China
| | - Qiuyang Wang
- College of Biological Science and Biotechnology, Shenyang Agricultural University, Shenyang, China
| | - Shaobin Zhang
- College of Biological Science and Biotechnology, Shenyang Agricultural University, Shenyang, China
| | - Ming He
- Vegetable Research Institute of Liaoning Academy of Agricultural Sciences, Shenyang, China
| | - Shuang Tang
- College of Biological Science and Biotechnology, Shenyang Agricultural University, Shenyang, China
| | - Shuo Yao
- College of Biological Science and Biotechnology, Shenyang Agricultural University, Shenyang, China
| | - Che Wang
- College of Biological Science and Biotechnology, Shenyang Agricultural University, Shenyang, China
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