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Zhang G, Ren N, Huang L, Shen T, Chen Y, Yang Y, Huang X, Jiang M. Basic helix-loop-helix transcription factor OsbHLH110 positively regulates abscisic acid biosynthesis and salinity tolerance in rice. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 207:108423. [PMID: 38373370 DOI: 10.1016/j.plaphy.2024.108423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 01/16/2024] [Accepted: 02/03/2024] [Indexed: 02/21/2024]
Abstract
Salinity is a significant abiotic stress factor affecting plant growth, consequently reducing crop yield. Abscisic acid (ABA), a well-known phytohormone, is crucial in conferring resistance to abiotic stress, thus, understanding the mechanisms underlying ABA biosynthesis is crucial. In rice (Oryza sativa L.), OsABA2, a short-chain dehydrogenase protein, has a pivotal role in modulating ABA biosynthesis and salt tolerance by undergoing phosphorylation at Ser197 through mitogen-activated protein kinase OsMPK1. However, the interaction between OsABA2 and other proteins in regulating ABA biosynthesis remains unclear. We employed OsABA2 as a bait in yeast two-hybrid screening: a basic helix-loop-helix transcription factor interacting with OsABA2, named OsbHLH110, was identified. Our results showed that firefly luciferase complementary imaging, pull-down, and co-immunoprecipitation assays validated the interaction between OsbHLH110 and OsABA2, affirming their interaction in vivo and in vitro. Moreover, the expression of OsbHLH110 significantly increases in response to salt and ABA treatments. Additionally, OsbHLH110 can directly bind to the G-box element in the OsABA2 promoter. This binding enhances luciferase activity controlled by the OsABA2 promoter, thereby increasing the expression of the OsABA2 gene and content of the OsABA2 protein, resulting in an increase in ABA content. OsABA2 enhanced the interaction between OsbHLH110 and OsABA2 promoter. This collaborative effect enhanced the regulation of ABA biosynthesis. Subsequent genetic analysis demonstrated that OsbHLH110 improved the tolerance of rice to salt stress.
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Affiliation(s)
- Gang Zhang
- College of Life Sciences, National Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, 210095, China; Shandong Key Laboratory of Biophysics, Institute of Biophysics, Dezhou University, Dezhou, 253023, China
| | - Ning Ren
- College of Life Sciences, National Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, 210095, China
| | - Liping Huang
- College of Life Sciences, National Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, 210095, China; Internationgal Research Center for Enviromental Membrane Biology, Foshan University, Foshan, 528000, China.
| | - Tao Shen
- College of Life Sciences, National Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, 210095, China
| | - Yao Chen
- College of Life Sciences, National Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, 210095, China
| | - Yi Yang
- Shandong Key Laboratory of Biophysics, Institute of Biophysics, Dezhou University, Dezhou, 253023, China
| | - Xingxiu Huang
- College of Life Sciences, National Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, 210095, China
| | - Mingyi Jiang
- College of Life Sciences, National Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, 210095, China.
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2
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Espindula E, Sperb ER, Moz B, Pankievicz VCS, Tuleski TR, Tadra-Sfeir MZ, Bonato P, Scheid C, Merib J, de Souza EM, Passaglia LMP. Effects on gene expression during maize-Azospirillum interaction in the presence of a plant-specific inhibitor of indole-3-acetic acid production. Genet Mol Biol 2023; 46:e20230100. [PMID: 37725833 PMCID: PMC10510588 DOI: 10.1590/1678-4685-gmb-2023-0100] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2023] [Accepted: 06/27/2023] [Indexed: 09/21/2023] Open
Abstract
Amongst the sustainable alternatives to increase maize production is the use of plant growth-promoting bacteria (PGPB). Azospirillum brasilense is one of the most well-known PGPB being able to fix nitrogen and produce phytohormones, especially indole-3-acetic acid - IAA. This work investigated if there is any contribution of the bacterium to the plant's IAA levels, and how it affects the plant. To inhibit plant IAA production, yucasin, an inhibitor of the TAM/YUC pathway, was applied. Plantlets' IAA concentration was evaluated through HPLC and dual RNA-Seq was used to analyze gene expression. Statistical differences between the group treated with yucasin and the other groups showed that A. brasilense inoculation was able to prevent the phenotype caused by yucasin concerning the number of lateral roots. Genes involved in the auxin and ABA response pathways, auxin efflux transport, and the cell cycle were regulated by the presence of the bacterium, yucasin, or both. Genes involved in the response to biotic/abiotic stress, plant disease resistance, and a D-type cellulose synthase changed their expression pattern among two sets of comparisons in which A. brasilense acted as treatment. The results suggest that A. brasilense interferes with the expression of many maize genes through an IAA-independent pathway.
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Affiliation(s)
- Eliandro Espindula
- Universidade Federal do Rio Grande do Sul (UFRGS), Instituto de
Biociências, Departamento de Genética, Programa de Pós-Graduação em Genética e
Biologia Molecular, Porto Alegre, RS, Brazil
| | - Edilena Reis Sperb
- Universidade Federal do Rio Grande do Sul (UFRGS), Instituto de
Biociências, Departamento de Genética, Programa de Pós-Graduação em Genética e
Biologia Molecular, Porto Alegre, RS, Brazil
| | - Brenda Moz
- Universidade Federal do Rio Grande do Sul (UFRGS), Instituto de
Biociências, Departamento de Genética, Programa de Pós-Graduação em Genética e
Biologia Molecular, Porto Alegre, RS, Brazil
| | - Vânia Carla Silva Pankievicz
- Universidade Federal do Paraná (UFPR), Centro Politécnico,
Departamento de Bioquímica e Biologia Molecular, Curitiba, PR, Brazil
| | - Thalita Regina Tuleski
- Universidade Federal do Paraná (UFPR), Centro Politécnico,
Departamento de Bioquímica e Biologia Molecular, Curitiba, PR, Brazil
| | - Michelle Zibetti Tadra-Sfeir
- Universidade Federal do Paraná (UFPR), Centro Politécnico,
Departamento de Bioquímica e Biologia Molecular, Curitiba, PR, Brazil
| | - Paloma Bonato
- Universidade Federal do Paraná (UFPR), Centro Politécnico,
Departamento de Bioquímica e Biologia Molecular, Curitiba, PR, Brazil
| | - Camila Scheid
- Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA),
Programa de Pós-Graduação em Biociências, Porto Alegre, RS, Brazil
| | - Josias Merib
- Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA),
Departamento de Farmacociências, Programa de Pós-Graduação em Biociências, Porto
Alegre, Brazil
| | - Emanuel Maltempi de Souza
- Universidade Federal do Paraná (UFPR), Centro Politécnico,
Departamento de Bioquímica e Biologia Molecular, Curitiba, PR, Brazil
| | - Luciane Maria Pereira Passaglia
- Universidade Federal do Rio Grande do Sul (UFRGS), Instituto de
Biociências, Departamento de Genética, Programa de Pós-Graduação em Genética e
Biologia Molecular, Porto Alegre, RS, Brazil
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3
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Li J, Zhu Q, Jiao F, Yan Z, Zhang H, Zhang Y, Ding Z, Mu C, Liu X, Li Y, Chen J, Wang M. Research Progress on the Mechanism of Salt Tolerance in Maize: A Classic Field That Needs New Efforts. PLANTS (BASEL, SWITZERLAND) 2023; 12:2356. [PMID: 37375981 DOI: 10.3390/plants12122356] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 06/14/2023] [Accepted: 06/15/2023] [Indexed: 06/29/2023]
Abstract
Maize is the most important cereal crop globally. However, in recent years, maize production faced numerous challenges from environmental factors due to the changing climate. Salt stress is among the major environmental factors that negatively impact crop productivity worldwide. To cope with salt stress, plants developed various strategies, such as producing osmolytes, increasing antioxidant enzyme activity, maintaining reactive oxygen species homeostasis, and regulating ion transport. This review provides an overview of the intricate relationships between salt stress and several plant defense mechanisms, including osmolytes, antioxidant enzymes, reactive oxygen species, plant hormones, and ions (Na+, K+, Cl-), which are critical for salt tolerance in maize. It addresses the regulatory strategies and key factors involved in salt tolerance, aiming to foster a comprehensive understanding of the salt tolerance regulatory networks in maize. These new insights will also pave the way for further investigations into the significance of these regulations in elucidating how maize coordinates its defense system to resist salt stress.
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Affiliation(s)
- Jiawei Li
- College of Agronomy, Qingdao Agricultural University, Qingdao 266109, China
| | - Qinglin Zhu
- 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 University, Qingdao 266109, China
| | - Zhenwei Yan
- Shandong Academy of Agricultural Science, Jinan 250100, China
| | - Haiyan Zhang
- College of Agronomy, Qingdao Agricultural University, Qingdao 266109, China
- Dryland-Technology Key Laboratory of Shandong Province, Qingdao Agricultural University, Qingdao 266109, China
| | - Yumei Zhang
- College of Agronomy, Qingdao Agricultural University, Qingdao 266109, China
- Dryland-Technology Key Laboratory of Shandong Province, Qingdao Agricultural University, Qingdao 266109, China
| | - Zhaohua Ding
- Shandong Academy of Agricultural Science, Jinan 250100, China
| | - Chunhua Mu
- Shandong Academy of Agricultural Science, Jinan 250100, China
| | - Xia Liu
- Shandong Academy of Agricultural Science, Jinan 250100, China
| | - Yan Li
- Shandong Academy of Agricultural Science, Jinan 250100, China
| | - Jingtang Chen
- College of Agronomy, Qingdao Agricultural University, Qingdao 266109, China
- Dryland-Technology Key Laboratory of Shandong Province, Qingdao Agricultural University, Qingdao 266109, China
| | - Ming Wang
- College of Agronomy, Qingdao Agricultural University, Qingdao 266109, China
- Dryland-Technology Key Laboratory of Shandong Province, Qingdao Agricultural University, Qingdao 266109, China
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Liu Y, Yu T, Li Y, Zheng L, Lu Z, Zhou Y, Chen J, Chen M, Zhang J, Sun G, Cao X, Liu Y, Ma Y, Xu Z. Mitogen-activated protein kinase TaMPK3 suppresses ABA response by destabilising TaPYL4 receptor in wheat. THE NEW PHYTOLOGIST 2022; 236:114-131. [PMID: 35719110 PMCID: PMC9544932 DOI: 10.1111/nph.18326] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Accepted: 06/10/2022] [Indexed: 06/01/2023]
Abstract
Abscisic acid (ABA) receptors are considered as the targeted manipulation of ABA sensitivity and water productivity in plants. Regulation of their stability or activity will directly affect ABA signalling. Mitogen-activated protein kinase (MAPK) cascades link multiple environmental and plant developmental cues. However, the molecular mechanism of ABA signalling and MAPK cascade interaction remains largely elusive. TaMPK3 overexpression decreases drought tolerance and wheat sensitivity to ABA, significantly weakening ABA's inhibitory effects on growth. Under drought stress, overexpression lines show lower survival rates, shoot fresh weight and proline content, but higher malondialdehyde levels at seedling stage, as well as decreased grain width and 1000 grain weight in both glasshouse and field conditions at the adult stage. TaMPK3-RNAi increases drought tolerance. TaMPK3 interaction with TaPYL4 leads to decreased TaPYL4 levels by promoting its ubiquitin-mediated degradation, whereas ABA treatment diminishes TaMPK3-TaPYL interactions. In addition, the expression of ABA signalling proteins is impaired in TaMPK3-overexpressing wheat plants under ABA treatment. The MPK3-PYL interaction module was found to be conserved across monocots and dicots. Our results suggest that the MPK3-PYL module could serve as a negative regulatory mechanism for balancing appropriate drought stress response with normal plant growth signalling in wheat.
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Affiliation(s)
- Ying Liu
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences (CAAS)/National Key Facility for Crop Gene Resources and Genetic Improvement, Key Laboratory of Biology and Genetic Improvement of Triticeae CropsMinistry of AgricultureBeijing100081China
| | - Tai‐Fei Yu
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences (CAAS)/National Key Facility for Crop Gene Resources and Genetic Improvement, Key Laboratory of Biology and Genetic Improvement of Triticeae CropsMinistry of AgricultureBeijing100081China
| | - Yi‐Tong Li
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences (CAAS)/National Key Facility for Crop Gene Resources and Genetic Improvement, Key Laboratory of Biology and Genetic Improvement of Triticeae CropsMinistry of AgricultureBeijing100081China
| | - Lei Zheng
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences (CAAS)/National Key Facility for Crop Gene Resources and Genetic Improvement, Key Laboratory of Biology and Genetic Improvement of Triticeae CropsMinistry of AgricultureBeijing100081China
| | - Zhi‐Wei Lu
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences (CAAS)/National Key Facility for Crop Gene Resources and Genetic Improvement, Key Laboratory of Biology and Genetic Improvement of Triticeae CropsMinistry of AgricultureBeijing100081China
| | - Yong‐Bin Zhou
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences (CAAS)/National Key Facility for Crop Gene Resources and Genetic Improvement, Key Laboratory of Biology and Genetic Improvement of Triticeae CropsMinistry of AgricultureBeijing100081China
| | - Jun Chen
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences (CAAS)/National Key Facility for Crop Gene Resources and Genetic Improvement, Key Laboratory of Biology and Genetic Improvement of Triticeae CropsMinistry of AgricultureBeijing100081China
| | - Ming Chen
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences (CAAS)/National Key Facility for Crop Gene Resources and Genetic Improvement, Key Laboratory of Biology and Genetic Improvement of Triticeae CropsMinistry of AgricultureBeijing100081China
| | - Jin‐Peng Zhang
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences (CAAS)/National Key Facility for Crop Gene Resources and Genetic Improvement, Key Laboratory of Biology and Genetic Improvement of Triticeae CropsMinistry of AgricultureBeijing100081China
| | - Guo‐Zhong Sun
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences (CAAS)/National Key Facility for Crop Gene Resources and Genetic Improvement, Key Laboratory of Biology and Genetic Improvement of Triticeae CropsMinistry of AgricultureBeijing100081China
| | - Xin‐You Cao
- National Engineering Laboratory for Wheat and Maize/Key Laboratory of Wheat Biology and Genetic Improvement, Crop Research InstituteShandong Academy of Agricultural SciencesJinan250100China
| | - Yong‐Wei Liu
- Institute of Biotechnology and Food ScienceHebei Academy of Agriculture and Forestry Sciences/Plant Genetic Engineering Center of Hebei ProvinceShijiazhuang050051China
| | - You‐Zhi Ma
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences (CAAS)/National Key Facility for Crop Gene Resources and Genetic Improvement, Key Laboratory of Biology and Genetic Improvement of Triticeae CropsMinistry of AgricultureBeijing100081China
| | - Zhao‐Shi Xu
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences (CAAS)/National Key Facility for Crop Gene Resources and Genetic Improvement, Key Laboratory of Biology and Genetic Improvement of Triticeae CropsMinistry of AgricultureBeijing100081China
- National Nanfan Research Institute (Sanya)Chinese Academy of Agricultural Sciences/Hainan Yazhou Bay Seed LaboratorySanya572024China
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5
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Zhang G, Shen T, Ren N, Jiang M. Phosphorylation of OsABA2 at Ser197 by OsMPK1 regulates abscisic acid biosynthesis in rice. Biochem Biophys Res Commun 2022; 586:68-73. [PMID: 34826703 DOI: 10.1016/j.bbrc.2021.11.067] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 11/16/2021] [Indexed: 01/13/2023]
Abstract
The mitogen-activated protein kinase OsMPK1 is involved in abscisic acid (ABA) biosynthesis in rice (Oryza sativa L.). However, the underlying molecular mechanisms of OsMPK1 in regulating ABA biosynthesis are poorly understood. Here, by using yeast two-hybrid assay and firefly luciferase complementary imaging assay, we show that OsMPK1 physically interact with a short-chain dehydrogenase protein OsABA2. However, OsMPK5, a homolog of OsMPK1, does not interact with OsABA2. Further, OsMPK1 can phosphorylate OsABA2S197 in vitro. Phosphorylation at the position of OsABA2S197 does not affect its subcellular localization, but enhances the stability of OsABA2 protein. We also found that OsABA2 has feedback regulation on OsMPK1 kinase activity. Further research reveals that OsMPK1 and OsABA2 coordinately regulate the biosynthesis of ABA, and phosphorylation of OsABA2 at Ser197 by OsMPK1 plays a crucial role in regulating the biosynthesis of ABA. Finally, genetic analysis showed that OsABA2 can enhance the sensitivity of rice to ABA and the tolerance of rice to drought and salt stress.
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Affiliation(s)
- Gang Zhang
- College of Life Sciences, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China
| | - Tao Shen
- College of Life Sciences, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China
| | - Ning Ren
- College of Life Sciences, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China
| | - Mingyi Jiang
- College of Life Sciences, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China; National Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China.
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6
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Xiang Y, Bian X, Wei T, Yan J, Sun X, Han T, Dong B, Zhang G, Li J, Zhang A. ZmMPK5 phosphorylates ZmNAC49 to enhance oxidative stress tolerance in maize. THE NEW PHYTOLOGIST 2021; 232:2400-2417. [PMID: 34618923 DOI: 10.1111/nph.17761] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Accepted: 09/17/2021] [Indexed: 05/16/2023]
Abstract
Mitogen-activated protein kinase (MPK) is a critical regulator of the antioxidant defence system in response to various stimuli. However, how MPK directly and exactly regulates antioxidant enzyme activities is still unclear. Here, we demonstrated that a NAC transcription factor ZmNAC49 mediated the regulation of antioxidant enzyme activities by ZmMPK5. ZmNAC49 expression is induced by oxidative stress. ZmNAC49 enhances oxidative stress tolerance in maize, and it also reduces superoxide anion generation and increases superoxide dismutase (SOD) activity. A detailed study showed that ZmMPK5 directly interacts with and phosphorylates ZmNAC49 in vitro and in vivo. ZmMPK5 directly phosphorylates Thr-26 in NAC subdomain A of ZmNAC49. Mutation at Thr-26 of ZmNAC49 does not affect the interaction with ZmMPK5 and its subcellular localisation. Further analysis found that ZmNAC49 activates the ZmSOD3 expression by directly binding to its promoter. ZmMPK5-mediated ZmNAC49 phosphorylation improves its ability to bind to the ZmSOD3 promoter. Thr-26 of ZmNAC49 is essential for its transcriptional activity. In addition, ZmSOD3 enhances oxidative stress tolerance in maize. Our results show that phosphorylation of Thr-26 in ZmNAC49 by ZmMPK5 increased its DNA-binding activity to the ZmSOD3 promoter, enhanced SOD activity and thereby improved oxidative stress tolerance in maize.
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Affiliation(s)
- Yang Xiang
- College of Life Sciences, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China
| | - Xiangli Bian
- College of Life Sciences, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China
| | - Tianhui Wei
- College of Life Sciences, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China
| | - Jingwei Yan
- College of Life Sciences, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China
| | - Xiujuan Sun
- College of Life Sciences, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China
| | - Tong Han
- College of Life Sciences, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China
| | - Baicheng Dong
- College of Life Sciences, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China
| | - Gaofeng Zhang
- College of Life Sciences, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China
| | - Jing Li
- College of Life Sciences, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China
| | - Aying Zhang
- College of Life Sciences, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China
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7
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Yue K, Lingling L, Xie J, Coulter JA, Luo Z. Synthesis and regulation of auxin and abscisic acid in maize. PLANT SIGNALING & BEHAVIOR 2021; 16:1891756. [PMID: 34057034 PMCID: PMC8205056 DOI: 10.1080/15592324.2021.1891756] [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] [Indexed: 05/12/2023]
Abstract
Indole-3-acetic acid (IAA), the primary auxin in higher plants, and abscisic acid (ABA) play crucial roles in the ability of maize (Zea mays L.) to acclimatize to various environments by mediating growth, development, defense and nutrient allocation. Although understanding the biochemical reactions for IAA and ABA biosynthesis and signal transduction has progressed, the mechanisms by which auxin and ABA are synthesized and transduced in maize have not been fully elucidated to date. The synthesis and signal transduction pathway of IAA and ABA in maize can be analyzed using an existing model. This article focuses on the research progress toward understanding the synthesis and signaling pathways of IAA and ABA, as well as IAA and ABA regulation of maize growth, providing insight for future development and the significance of IAA and ABA for maize improvement.
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Affiliation(s)
- Kai Yue
- Gansu Provincial Key Laboratory of Aridland Crop Science, Lanzhou, China
- College of Agronomy, Gansu Agricultural University, Lanzhou, China
| | - Li Lingling
- Gansu Provincial Key Laboratory of Aridland Crop Science, Lanzhou, China
- College of Agronomy, Gansu Agricultural University, Lanzhou, China
- CONTACT Lingling Li College of Agronomy/Gansu Provincial Key Laboratory of Aridland Crop Science, Gansu Agricultural University, Lanzhou 730070, China
| | - Junhong Xie
- Gansu Provincial Key Laboratory of Aridland Crop Science, Lanzhou, China
- College of Agronomy, Gansu Agricultural University, Lanzhou, China
| | - Jeffrey A. Coulter
- Department of Agronomy and Plant Genetics, University of Minnesota, St. Paul, MN, USA
| | - Zhuzhu Luo
- College of Resource and Environment, Gansu Agricultural University, Lanzhou, China
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Chen M, Ni L, Chen J, Sun M, Qin C, Zhang G, Zhang A, Jiang M. Rice calcium/calmodulin-dependent protein kinase directly phosphorylates a mitogen-activated protein kinase kinase to regulate abscisic acid responses. THE PLANT CELL 2021; 33:1790-1812. [PMID: 33630095 PMCID: PMC8254507 DOI: 10.1093/plcell/koab071] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Accepted: 02/15/2021] [Indexed: 05/05/2023]
Abstract
Calcium (Ca2+)/calmodulin (CaM)-dependent protein kinase (CCaMK) is an important positive regulator of abscisic acid (ABA) and abiotic stress signaling in plants and is believed to act upstream of mitogen-activated protein kinase (MAPK) in ABA signaling. However, it is unclear how CCaMK activates MAPK in ABA signaling. Here, we show that OsDMI3, a rice (Oryza sativa) CCaMK, directly interacts with and phosphorylates OsMKK1, a MAPK kinase (MKK) in rice, in vitro and in vivo. OsDMI3 was found to directly phosphorylate Thr-25 in the N-terminus of OsMKK1, and this Thr-25 phosphorylation is OsDMI3-specific in ABA signaling. The activation of OsMKK1 and its downstream kinase OsMPK1 is dependent on Thr-25 phosphorylation of OsMKK1 in ABA signaling. Moreover, ABA treatment induces phosphorylation in the activation loop of OsMKK1, and the two phosphorylations, in the N-terminus and in the activation loop, are independent. Further analyses revealed that OsDMI3-mediated phosphorylation of OsMKK1 positively regulates ABA responses in seed germination, root growth, and tolerance to both water stress and oxidative stress. Our results indicate that OsMKK1 is a direct target of OsDMI3, and OsDMI3-mediated phosphorylation of OsMKK1 plays an important role in activating the MAPK cascade and ABA signaling.
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Affiliation(s)
- Min Chen
- College of Life Sciences, National Key Laboratory of Crop Genetics and Germplasm Enhancement, Key Laboratory of Crop Physiology Ecology and Production Management, Ministry of Agriculture, Nanjing Agricultural University, Nanjing 210095, China
| | - Lan Ni
- College of Life Sciences, National Key Laboratory of Crop Genetics and Germplasm Enhancement, Key Laboratory of Crop Physiology Ecology and Production Management, Ministry of Agriculture, Nanjing Agricultural University, Nanjing 210095, China
| | - Jing Chen
- College of Life Sciences, National Key Laboratory of Crop Genetics and Germplasm Enhancement, Key Laboratory of Crop Physiology Ecology and Production Management, Ministry of Agriculture, Nanjing Agricultural University, Nanjing 210095, China
| | - Manman Sun
- College of Life Sciences, National Key Laboratory of Crop Genetics and Germplasm Enhancement, Key Laboratory of Crop Physiology Ecology and Production Management, Ministry of Agriculture, Nanjing Agricultural University, Nanjing 210095, China
| | - Caihua Qin
- College of Life Sciences, National Key Laboratory of Crop Genetics and Germplasm Enhancement, Key Laboratory of Crop Physiology Ecology and Production Management, Ministry of Agriculture, Nanjing Agricultural University, Nanjing 210095, China
| | - Gang Zhang
- College of Life Sciences, National Key Laboratory of Crop Genetics and Germplasm Enhancement, Key Laboratory of Crop Physiology Ecology and Production Management, Ministry of Agriculture, Nanjing Agricultural University, Nanjing 210095, China
| | - Aying Zhang
- College of Life Sciences, National Key Laboratory of Crop Genetics and Germplasm Enhancement, Key Laboratory of Crop Physiology Ecology and Production Management, Ministry of Agriculture, Nanjing Agricultural University, Nanjing 210095, China
| | - Mingyi Jiang
- College of Life Sciences, National Key Laboratory of Crop Genetics and Germplasm Enhancement, Key Laboratory of Crop Physiology Ecology and Production Management, Ministry of Agriculture, Nanjing Agricultural University, Nanjing 210095, China
- Southern Regional Collaborative Innovation Center for Grain and Oil Crops in China, Hunan Agricultural University, Changsha 410128, China
- Author for correspondence:
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9
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Jogawat A, Yadav B, Lakra N, Singh AK, Narayan OP. Crosstalk between phytohormones and secondary metabolites in the drought stress tolerance of crop plants: A review. PHYSIOLOGIA PLANTARUM 2021; 172:1106-1132. [PMID: 33421146 DOI: 10.1111/ppl.13328] [Citation(s) in RCA: 88] [Impact Index Per Article: 29.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Revised: 11/08/2020] [Accepted: 01/01/2021] [Indexed: 05/21/2023]
Abstract
Drought stress negatively affects crop performance and weakens global food security. It triggers the activation of downstream pathways, mainly through phytohormones homeostasis and their signaling networks, which further initiate the biosynthesis of secondary metabolites (SMs). Roots sense drought stress, the signal travels to the above-ground tissues to induce systemic phytohormones signaling. The systemic signals further trigger the biosynthesis of SMs and stomatal closure to prevent water loss. SMs primarily scavenge reactive oxygen species (ROS) to protect plants from lipid peroxidation and also perform additional defense-related functions. Moreover, drought-induced volatile SMs can alert the plant tissues to perform drought stress mitigating functions in plants. Other phytohormone-induced stress responses include cell wall and cuticle thickening, root and leaf morphology alteration, and anatomical changes of roots, stems, and leaves, which in turn minimize the oxidative stress, water loss, and other adverse effects of drought. Exogenous applications of phytohormones and genetic engineering of phytohormones signaling and biosynthesis pathways mitigate the drought stress effects. Direct modulation of the SMs biosynthetic pathway genes or indirect via phytohormones' regulation provides drought tolerance. Thus, phytohormones and SMs play key roles in plant development under the drought stress environment in crop plants.
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Affiliation(s)
| | - Bindu Yadav
- School of Environmental Sciences, Jawaharlal Nehru University, New Delhi, India
| | - Nita Lakra
- Department of Biotechnology, Chaudhary Charan Singh Haryana Agricultural University, Hisar, India
| | - Amit Kumar Singh
- School of Plant Sciences and Food Security, Tel Aviv University, Tel Aviv, Israel
| | - Om Prakash Narayan
- Biomedical Engineering Department, Tufts University, Medford, Massachusetts, USA
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Mao Y, Xu J, Wang Q, Li G, Tang X, Liu T, Feng X, Wu F, Li M, Xie W, Lu Y. A natural antisense transcript acts as a negative regulator for the maize drought stress response gene ZmNAC48. JOURNAL OF EXPERIMENTAL BOTANY 2021; 72:2790-2806. [PMID: 33481006 DOI: 10.1093/jxb/erab023] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Accepted: 01/20/2021] [Indexed: 06/12/2023]
Abstract
Although plant-specific NAC transcription factors play crucial roles in response to abiotic stress, few reports describe the regulation of NAC genes in maize (Zea mays) by the cis-natural antisense transcripts (cis-NATs). In this study, 521 NAC genes from Gramineae were classified, of which 51 NAC genes contained cis-NATs. ZmNAC48 and cis-NATZmNAC48 co-localized to the same cell nucleus, and both transcripts responded to drought stress. Arabidopsis plants overexpressing ZmNAC48 had improved drought tolerance, lower rate of water loss, enhanced stomatal closure, and higher rates of survival. Transient expression in both maize protoplasts and tobacco leaves indicated that cis-NATZmNAC48 reduced ZmNAC48 expression. Western blotting and ribosome profiling analyses confirmed that cis-NATZmNAC48 lacked protein coding potential. Furthermore, the cis-NAT-derived small-interfering RNAs (nat-siRNAs) generated from the overlapping regions of ZmNAC48 and cis-NATZmNAC48 were detected in maize and transgenic Arabidopsis. Cis-NATZmNAC48 overexpressing maize showed higher water loss rate, increased stomatal opening, and had more dead leaves. Expression of ZmNAC48 and nat-siRNA was decreased in these plants. Taken together, our study indicates that both ZmNAC48 and cis-NATZmNAC48 are involved in plant drought stress responses, and that the double-stranded RNA-dependent mechanism is involved in the interaction between cis-NATZmNAC48 and ZmNAC48. Additionally, cis-NATZmNAC48 may negatively regulate ZmNAC48 to affect stomatal closure of maize.
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Affiliation(s)
- Yan Mao
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Wenjiang 611130, Sichuan, China
- Maize Research Institute, Sichuan Agricultural University, Wenjiang 611130, Sichuan, China
- Key Laboratory of Biology and Genetic Improvement of Maize in Southwest Region, Ministry of Agriculture, China
| | - Jie Xu
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Wenjiang 611130, Sichuan, China
- Maize Research Institute, Sichuan Agricultural University, Wenjiang 611130, Sichuan, China
- Key Laboratory of Biology and Genetic Improvement of Maize in Southwest Region, Ministry of Agriculture, China
| | - Qi Wang
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Wenjiang 611130, Sichuan, China
- Maize Research Institute, Sichuan Agricultural University, Wenjiang 611130, Sichuan, China
- Key Laboratory of Biology and Genetic Improvement of Maize in Southwest Region, Ministry of Agriculture, China
| | - Guobang Li
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Wenjiang 611130, Sichuan, China
- Rice Research Institute and Key Lab for Major Crop Diseases, Sichuan Agricultural University, Wenjiang, 611130, Sichuan, China
| | - Xin Tang
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Wenjiang 611130, Sichuan, China
- Maize Research Institute, Sichuan Agricultural University, Wenjiang 611130, Sichuan, China
- Key Laboratory of Biology and Genetic Improvement of Maize in Southwest Region, Ministry of Agriculture, China
| | - Tianhong Liu
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Wenjiang 611130, Sichuan, China
- Maize Research Institute, Sichuan Agricultural University, Wenjiang 611130, Sichuan, China
- Key Laboratory of Biology and Genetic Improvement of Maize in Southwest Region, Ministry of Agriculture, China
| | - Xuanjun Feng
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Wenjiang 611130, Sichuan, China
- Maize Research Institute, Sichuan Agricultural University, Wenjiang 611130, Sichuan, China
- Key Laboratory of Biology and Genetic Improvement of Maize in Southwest Region, Ministry of Agriculture, China
| | - Fengkai Wu
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Wenjiang 611130, Sichuan, China
- Maize Research Institute, Sichuan Agricultural University, Wenjiang 611130, Sichuan, China
- Key Laboratory of Biology and Genetic Improvement of Maize in Southwest Region, Ministry of Agriculture, China
| | - Menglu Li
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Wenjiang 611130, Sichuan, China
- Maize Research Institute, Sichuan Agricultural University, Wenjiang 611130, Sichuan, China
- Key Laboratory of Biology and Genetic Improvement of Maize in Southwest Region, Ministry of Agriculture, China
| | - Wubing Xie
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Wenjiang 611130, Sichuan, China
- Maize Research Institute, Sichuan Agricultural University, Wenjiang 611130, Sichuan, China
- Key Laboratory of Biology and Genetic Improvement of Maize in Southwest Region, Ministry of Agriculture, China
| | - Yanli Lu
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Wenjiang 611130, Sichuan, China
- Maize Research Institute, Sichuan Agricultural University, Wenjiang 611130, Sichuan, China
- Key Laboratory of Biology and Genetic Improvement of Maize in Southwest Region, Ministry of Agriculture, China
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Nie H, Wang Y, Wei C, Grover CE, Su Y, Wendel JF, Hua J. Embryogenic Calli Induction and Salt Stress Response Revealed by RNA-Seq in Diploid Wild Species Gossypium sturtianum and Gossypium raimondii. FRONTIERS IN PLANT SCIENCE 2021; 12:715041. [PMID: 34512696 PMCID: PMC8424188 DOI: 10.3389/fpls.2021.715041] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Accepted: 07/26/2021] [Indexed: 05/06/2023]
Abstract
Wild cotton species can contribute to a valuable gene pool for genetic improvement, such as genes related to salt tolerance. However, reproductive isolation of different species poses an obstacle to produce hybrids through conventional breeding. Protoplast fusion technology for somatic cell hybridization provides an opportunity for genetic manipulation and targeting of agronomic traits. Transcriptome sequencing analysis of callus under salt stress is conducive to study salt tolerance genes. In this study, calli were induced to provide materials for extracting protoplasts and also for screening salt tolerance genes. Calli were successfully induced from leaves of Gossypium sturtianum (C1 genome) and hypocotyls of G. raimondii (D5 genome), and embryogenic calli of G. sturtianum and G. raimondii were induced on a differentiation medium with different concentrations of 2, 4-D, KT, and IBA, respectively. In addition, embryogenic calli were also induced successfully from G. raimondii through suspension cultivation. Transcriptome sequencing analysis was performed on the calli of G. raimondii and G. sturtianum, which were treated with 200 mM NaCl at 0, 6, 12, 24, and 48 h, and a total of 12,524 genes were detected with different expression patterns under salt stress. Functional analysis showed that 3,482 genes, which were differentially expressed in calli of G. raimondii and G. sturtianum, were associated with biological processes of nucleic acid binding, plant hormone (such as ABA) biosynthesis, and signal transduction. We demonstrated that DEGs or TFs which related to ABA metabolism were involved in the response to salt stress, including xanthoxin dehydrogenase genes (ABA2), sucrose non-fermenting 1-related protein kinases (SnRK2), NAM, ATAT1/2, and CUC2 transcription factors (NAC), and WRKY class of zinc-finger proteins (WRKY). This research has successfully induced calli from two diploid cotton species and revealed new genes responding to salt stress in callus tissue, which will lay the foundation for protoplast fusion for further understanding of salt stress responses in cotton.
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Affiliation(s)
- Hushuai Nie
- Laboratory of Cotton Genetics, Genomics and Breeding/Joint Laboratory for International Cooperation in Crop Molecular Breeding, Ministry of Education/Beijing Key Laboratory of Crop Genetic Improvement, College of Agronomy and Biotechnology, China Agricultural University, Beijing, China
| | - Yali Wang
- Laboratory of Cotton Genetics, Genomics and Breeding/Joint Laboratory for International Cooperation in Crop Molecular Breeding, Ministry of Education/Beijing Key Laboratory of Crop Genetic Improvement, College of Agronomy and Biotechnology, China Agricultural University, Beijing, China
| | - Chengcheng Wei
- Laboratory of Cotton Genetics, Genomics and Breeding/Joint Laboratory for International Cooperation in Crop Molecular Breeding, Ministry of Education/Beijing Key Laboratory of Crop Genetic Improvement, College of Agronomy and Biotechnology, China Agricultural University, Beijing, China
| | - Corrinne E. Grover
- Department of Ecology, Evolution and Organismal Biology, Iowa State University, Ames, IA, United States
| | - Ying Su
- Laboratory of Cotton Genetics, Genomics and Breeding/Joint Laboratory for International Cooperation in Crop Molecular Breeding, Ministry of Education/Beijing Key Laboratory of Crop Genetic Improvement, College of Agronomy and Biotechnology, China Agricultural University, Beijing, China
| | - Jonathan F. Wendel
- Department of Ecology, Evolution and Organismal Biology, Iowa State University, Ames, IA, United States
| | - Jinping Hua
- Laboratory of Cotton Genetics, Genomics and Breeding/Joint Laboratory for International Cooperation in Crop Molecular Breeding, Ministry of Education/Beijing Key Laboratory of Crop Genetic Improvement, College of Agronomy and Biotechnology, China Agricultural University, Beijing, China
- *Correspondence: Jinping Hua
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12
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Chen X, Ding Y, Yang Y, Song C, Wang B, Yang S, Guo Y, Gong Z. Protein kinases in plant responses to drought, salt, and cold stress. JOURNAL OF INTEGRATIVE PLANT BIOLOGY 2021; 63:53-78. [PMID: 33399265 DOI: 10.1111/jipb.13061] [Citation(s) in RCA: 222] [Impact Index Per Article: 74.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Accepted: 12/19/2020] [Indexed: 05/20/2023]
Abstract
Protein kinases are major players in various signal transduction pathways. Understanding the molecular mechanisms behind plant responses to biotic and abiotic stresses has become critical for developing and breeding climate-resilient crops. In this review, we summarize recent progress on understanding plant drought, salt, and cold stress responses, with a focus on signal perception and transduction by different protein kinases, especially sucrose nonfermenting1 (SNF1)-related protein kinases (SnRKs), mitogen-activated protein kinase (MAPK) cascades, calcium-dependent protein kinases (CDPKs/CPKs), and receptor-like kinases (RLKs). We also discuss future challenges in these research fields.
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Affiliation(s)
- Xuexue Chen
- State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing, 100193, China
| | - Yanglin Ding
- State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing, 100193, China
| | - Yongqing Yang
- State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing, 100193, China
| | - Chunpeng Song
- Collaborative Innovation Center of Crop Stress Biology, Henan Province, Institute of Plant Stress Biology, Henan University, Kaifeng, 475001, China
| | - Baoshan Wang
- Key Lab of Plant Stress Research, College of Life Science, Shandong Normal University, Ji'nan, 250000, China
| | - Shuhua Yang
- State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing, 100193, China
| | - Yan Guo
- State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing, 100193, China
| | - Zhizhong Gong
- State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing, 100193, China
- Institute of Life Science and Green Development, School of Life Sciences, Hebei University, Baoding, 071001, China
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Li C, Zhao Q, Zhu S, Wang Q, Wang H, Yu S, Yu Y, Liang S, Zhao H, Huang B, Dong H, Han H. Eimeria tenella Eimeria-specific protein that interacts with apical membrane antigen 1 (EtAMA1) is involved in host cell invasion. Parasit Vectors 2020; 13:373. [PMID: 32711572 PMCID: PMC7382093 DOI: 10.1186/s13071-020-04229-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Accepted: 07/15/2020] [Indexed: 11/10/2022] Open
Abstract
Background Avian coccidiosis is a widespread, economically significant disease of poultry, caused by several Eimeria species. These parasites have complex and diverse life-cycles that require invasion of their host cells. This is mediated by various proteins secreted from apical secretory organelles. Apical membrane antigen 1 (AMA1), which is released from micronemes and is conserved across all apicomplexans, plays a central role in the host cell invasion. In a previous study, some putative EtAMA1-interacting proteins of E. tenella were screened. In this study, we characterized one putative EtAMA1-interacting protein, E. tenella Eimeria -specific protein (EtEsp). Methods Bimolecular fluorescence complementation (BiFC) and glutathione S-transferase (GST) fusion protein pull-down (GST pull-down) were used to confirm the interaction between EtAMA1 and EtEsp in vivo and in vitro. The expression of EtEsp was analyzed in different developmental stages of E. tenella with quantitative PCR and western blotting. The secretion of EtEsp protein was tested with staurosporine when sporozoites were incubated in complete medium at 41 °C. The localization of EtEsp was analyzed with an immunofluorescence assay (IFA). An in vitro invasion inhibition assay was conducted to assess the ability of antibodies against EtEsp to inhibit cell invasion by E. tenella sporozoites. Results The interaction between EtAMA1 and EtEsp was confirmed with BiFC and by GST pull-down. Our results show that EtEsp is differentially expressed during distinct phases of the parasite life-cycle. IFA showed that the EtEsp protein is mainly distributed on the parasite surface, and that the expression of this protein increases during the development of the parasite in the host cells. Using staurosporine, we showed that EtEsp is a secreted protein, but not from micronemes. In inhibition tests, a polyclonal anti-rEtEsp antibody attenuated the capacity of E. tenella to invade host cells. Conclusion In this study, we show that EtEsp interacts with EtAMA1 and that the protein is secreted protein, but not from micronemes. The protein participates in sporozoite invasion of host cells and is maybe involved in the growth of the parasite. These data have implications for the use of EtAMA1 or EtAMA1-interacting proteins as targets in intervention strategies against avian coccidiosis.![]()
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Affiliation(s)
- Cong Li
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Animal Parasitology of Ministry of Agriculture, Minhang, Shanghai, 200241, PR China
| | - Qiping Zhao
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Animal Parasitology of Ministry of Agriculture, Minhang, Shanghai, 200241, PR China
| | - Shunhai Zhu
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Animal Parasitology of Ministry of Agriculture, Minhang, Shanghai, 200241, PR China
| | - Qingjie Wang
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Animal Parasitology of Ministry of Agriculture, Minhang, Shanghai, 200241, PR China
| | - Haixia Wang
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Animal Parasitology of Ministry of Agriculture, Minhang, Shanghai, 200241, PR China
| | - Shuilan Yu
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Animal Parasitology of Ministry of Agriculture, Minhang, Shanghai, 200241, PR China
| | - Yu Yu
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Animal Parasitology of Ministry of Agriculture, Minhang, Shanghai, 200241, PR China.,College of Life and Environment Sciences, Shanghai Normal University, Shanghai, 200234, China
| | - Shashan Liang
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Animal Parasitology of Ministry of Agriculture, Minhang, Shanghai, 200241, PR China.,College of Life and Environment Sciences, Shanghai Normal University, Shanghai, 200234, China
| | - Huanzhi Zhao
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Animal Parasitology of Ministry of Agriculture, Minhang, Shanghai, 200241, PR China
| | - Bing Huang
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Animal Parasitology of Ministry of Agriculture, Minhang, Shanghai, 200241, PR China
| | - Hui Dong
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Animal Parasitology of Ministry of Agriculture, Minhang, Shanghai, 200241, PR China.
| | - Hongyu Han
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Animal Parasitology of Ministry of Agriculture, Minhang, Shanghai, 200241, PR China.
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14
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Zhu D, Chang Y, Pei T, Zhang X, Liu L, Li Y, Zhuang J, Yang H, Qin F, Song C, Ren D. MAPK-like protein 1 positively regulates maize seedling drought sensitivity by suppressing ABA biosynthesis. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2020; 102:747-760. [PMID: 31863495 DOI: 10.1111/tpj.14660] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2019] [Accepted: 12/11/2019] [Indexed: 05/18/2023]
Abstract
Mitogen-activated protein kinase (MAPK) cascades play vital roles in regulating plant growth, development, and stress responses. MAPK-like (MPKL) proteins are a group of kinases containing the MAPK signature TxY motif and showing sequence similarity to MAPKs. However, the functions of plant MPKL proteins are currently unknown. The maize (Zea mays) genome contains four genes encoding MPKL proteins, here named ZmMPKL1 to ZmMPKL4. In this study, we show that ZmMPKL1 possesses kinase activity and that drought-induced ZmMPKL1 expression, ZmMPKL1 overexpression and knockout maize seedlings exhibited no visible morphological difference from wild-type B73 seedlings when grown under normal conditions. By contrast, under drought conditions, ZmMPKL1-overexpressing seedlings showed increased stomatal aperture, water loss, and leaf wilting and knockout seedlings showed the opposite phenotypes. Moreover, these drought-sensitive phenotypes in ZmMPKL1-overexpressing seedlings were restored by exogenous abscisic acid (ABA). ZmMPKL1 overexpression reduced drought-induced ABA production in seedlings and the knockout showed enhanced ABA production. Drought-induced transcription of ABA biosynthetic genes were suppressed and ABA catabolic genes were enhanced in ZmMPKL1-overexpressing seedlings, while their transcription were reversely regulated in knockout seedlings. These results suggest that ZmMPKL1 positively regulates seedlings drought sensitivity by altering the transcription of ABA biosynthetic and catabolic genes, and ABA homeostasis.
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Affiliation(s)
- Dan Zhu
- State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing, 100193, China
| | - Ying Chang
- State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing, 100193, China
- Collaborative Innovation Center of Crop Stress Biology, Henan Province, Institute of Plant Stress Biology, School of Life Science, Henan University, Kaifeng, 475001, China
| | - Ting Pei
- State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing, 100193, China
| | - Xiuyan Zhang
- State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing, 100193, China
| | - Lan Liu
- State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing, 100193, China
| | - Yuan Li
- State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing, 100193, China
| | - Junhong Zhuang
- Center for Crop Functional Genomics and Molecular Breeding, China Agricultural University, Beijing, 100193, China
| | - Hailian Yang
- State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing, 100193, China
| | - Feng Qin
- State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing, 100193, China
| | - Chunpeng Song
- Collaborative Innovation Center of Crop Stress Biology, Henan Province, Institute of Plant Stress Biology, School of Life Science, Henan University, Kaifeng, 475001, China
| | - Dongtao Ren
- State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing, 100193, China
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15
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Yan J, Fang L, Yang L, He H, Huang Y, Liu Y, Zhang A. Abscisic acid positively regulates l-arabinose metabolism to inhibit seed germination through ABSCISIC ACID INSENSITIVE4-mediated transcriptional promotions of MUR4 in Arabidopsis thaliana. THE NEW PHYTOLOGIST 2020; 225:823-834. [PMID: 31461539 DOI: 10.1111/nph.16149] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Accepted: 08/21/2019] [Indexed: 05/06/2023]
Abstract
l-Arabinose (l-Ara) is a major monosaccharide in plant polysaccharides and glycoproteins, and functions in plant growth and development. However, the potential role of l-Ara during abscisic acid (ABA)-mediated seed germination has been largely ignored. Here, our results showed a function of l-Ara during ABA-mediated seed germination. ABA slowed down the reduction of l-Ara in seed cell wall, and exogenous l-Ara aggravated the inhibition of ABA on germination. We further found that MUR4, encoding URIDINE 5'-DIPHOSPHATE-d-XYLOSE 4-EPIMERASE 1, played a vital role in ABA-mediated germination. MUR4 was highly expressed in embryo and induced by ABA in both seeds and seedlings. Overexpression of MUR4 conferred hypersensitive seed germination and early postgermination growth to ABA. Further analysis revealed that ABSCISIC ACID INSENSITIVE4 (ABI4) positively modulated the MUR4 expression by directly binding the Coupling Element1 motif of MUR4 promoter. Consistently, abi4-1 mutant had a lower l-Ara content in seed cell wall, while a higher l-Ara content in seed cell wall was observed in ABI4 overexpressors. Genetic analysis suggested that overexpression of MUR4 in abi4-1 partly restored the ABA sensitivity of abi4-1. We established the link between ABA and l-Ara during ABA-mediated seed germination and cotyledon greening in Arabidopsis and revealed the potential molecular mechanism.
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Affiliation(s)
- Jingwei Yan
- College of Life Sciences, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China
| | - Lin Fang
- Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, Guangdong, 510650, China
| | - Lan Yang
- College of Life Sciences, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China
| | - Huan He
- College of Life Sciences, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China
| | - Yun Huang
- College of Life Sciences, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China
| | - Ya Liu
- College of Life Sciences, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China
| | - Aying Zhang
- College of Life Sciences, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China
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16
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Zhang J, Li L, Huang L, Zhang M, Chen Z, Zheng Q, Zhao H, Chen X, Jiang M, Tan M. Maize NAC-domain retained splice variants act as dominant negatives to interfere with the full-length NAC counterparts. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2019; 289:110256. [PMID: 31623792 DOI: 10.1016/j.plantsci.2019.110256] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Revised: 09/03/2019] [Accepted: 09/05/2019] [Indexed: 05/20/2023]
Abstract
The plant-specific NAC transcription factors play diverse roles in various stress signaling. Alternative splicing is particularly prevalent in plants under stress. However, the investigation of cadmium (Cd) on the differential expression of the splice variants of NACs is in its infancy. Here, we identified three Cd-induced intron retention splice NAC variants which only contained the canonical NAC domain, designated as nacDomains, derived from three Cd-upregulated maize NACs. Subcellular localization analysis indicated that both nacDomain and its full-length NAC counterpart co-localized in the nucleus as manifested in the BiFC assay, thus implied that nacDomains and their corresponding NACs form heterodimers through the identical NAC domain. Further chimeric reporter/effector transient expression assay and Cd-tolerance assay in tobacco leaves collectively indicated that nacDomain-NAC heterodimers were involved in the regulation of NAC function. The results obtained here were in accordance with the model of dominant negative, which suggested that nacDomain act as the dominant negative to antagonize the regulation of NAC on its target gene expression and the Cd-tolerance function performance of NAC transcription factor. These findings proposed a novel insight into understanding the molecular mechanisms of Cd response in plants.
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Affiliation(s)
- Jie Zhang
- National Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Liang Li
- National Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Liping Huang
- International Research Center for Environmental Membrane Biology, Foshan University, Foshan, 528225, China
| | - Manman Zhang
- National Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Ziyan Chen
- National Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Qingsong Zheng
- College of Resources & Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Haiyan Zhao
- College of Resources & Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Xi Chen
- National Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Mingyi Jiang
- National Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Mingpu Tan
- National Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, China.
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Zhou Y, Liu J, Liu S, Jiang L, Hu L. Identification of the metallothionein gene family from cucumber and functional characterization of CsMT4 in Escherichia coli under salinity and osmotic stress. 3 Biotech 2019; 9:394. [PMID: 31656732 PMCID: PMC6789051 DOI: 10.1007/s13205-019-1929-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Accepted: 09/29/2019] [Indexed: 12/17/2022] Open
Abstract
Metallothionein (MT) proteins are low-molecular-weight, cysteine-rich and metal-binding proteins that play important roles in the maintenance of metal homeostasis and detoxification, but their roles in abiotic stress tolerance remain largely unknown. In this study, three MT family genes (CsMT2, CsMT3 and CsMT4) were identified in the cucumber genome. CsMT2, CsMT3 and CsMT4 possessed 14, 10, and 18 Cys residues, which were clustered into 2, 2, and 3 Cys-rich regions, respectively. Phylogenetic analysis of MTs from cucumber, Arabidopsis and soybean revealed that these MTs were clustered into four groups in accordance with the MT types (types 1-4). An analysis of the cis-acting regulatory elements revealed that a series of hormone-, stress-, and development-related cis-elements were present in the promoter regions of CsMT genes. Expression pattern analysis by RT-PCR showed that the CsMT genes exhibited different tissue expression patterns. CsMT2 showed relatively higher expression in stem, leaf, and flower; CsMT3 was mainly expressed in leaf, flower, and fruit, while CsMT4 was highly expressed in fruit and leaf. The qRT-PCR results showed that the CsMT genes were induced by various stress treatments including NaCl, PEG, and ABA, while CsMT4 displayed much higher expression levels in response to these stresses than CsMT2 and CsMT3. Escherichia coli cells expressing CsMT4 exhibited higher salinity and osmotic tolerance compared with control cells, indicating the significant function of CsMT4 to confer tolerance to these stresses. These results lay a foundation for further research on the function of MT family genes in plant stress responses.
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Affiliation(s)
- Yong Zhou
- Key Laboratory of Crop Physiology, Ecology and Genetic Breeding, Ministry of Education, Jiangxi Agricultural University, Nanchang, 330045 China
- College of Science, Jiangxi Agricultural University, Nanchang, 330045 China
- Institute of Biotechnology and Physical Agricultural Engineering, Jiangxi Agricultural University, Nanchang, 330045 China
| | - Jialin Liu
- Key Laboratory of Crop Physiology, Ecology and Genetic Breeding, Ministry of Education, Jiangxi Agricultural University, Nanchang, 330045 China
- College of Agronomy, Jiangxi Agricultural University, Nanchang, 330045 China
| | - Shiqiang Liu
- College of Science, Jiangxi Agricultural University, Nanchang, 330045 China
- Institute of Biotechnology and Physical Agricultural Engineering, Jiangxi Agricultural University, Nanchang, 330045 China
| | - Lunwei Jiang
- Institute of Biotechnology and Physical Agricultural Engineering, Jiangxi Agricultural University, Nanchang, 330045 China
| | - Lifang Hu
- Key Laboratory of Crop Physiology, Ecology and Genetic Breeding, Ministry of Education, Jiangxi Agricultural University, Nanchang, 330045 China
- College of Agronomy, Jiangxi Agricultural University, Nanchang, 330045 China
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18
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Zhou X, Ni L, Liu Y, Jiang M. Phosphorylation of bip130 by OsMPK1 regulates abscisic acid-induced antioxidant defense in rice. Biochem Biophys Res Commun 2019; 514:750-755. [PMID: 31078272 DOI: 10.1016/j.bbrc.2019.04.183] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Accepted: 04/27/2019] [Indexed: 10/26/2022]
Abstract
In rice (Oryza sativa), the mitogen-activated protein kinase 1, OsMPK1, has been shown to play an important role in abscisic acid (ABA)-induced antioxidant defense and to enhance the tolerance of plants to drought, salinity and oxidative stress. However, its downstream molecular mechanisms are poorly understood. Here, we identified a BRI1-KD interacting protein 130, bip130, which interacts with OsMPK1 in vitro and in vivo. A transient expression analysis in combination with mutant analysis in rice protoplasts revealed that bip130 is required for ABA-induced antioxidant defense in an OsMPK1-dependent manner. Furthermore, bip130 can be phosphorylated by OsMPK1 at Thr-153 in vitro, and Thr-153 is essential for the ABA-induced antioxidant defense by OsMPK1. These results reveal that OsMPK1 phosphorylates bip130 at Thr-153 to regulate ABA-induced antioxidant defense.
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Affiliation(s)
- Xin Zhou
- College of Life Sciences, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China; National Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, 210095, China
| | - Lan Ni
- College of Life Sciences, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China; National Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, 210095, China
| | - Yaqin Liu
- College of Life Sciences, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China; National Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, 210095, China
| | - Mingyi Jiang
- College of Life Sciences, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China; National Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, 210095, China.
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19
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Huang L, Zhang M, Jia J, Zhao X, Huang X, Ji E, Ni L, Jiang M. An Atypical Late Embryogenesis Abundant Protein OsLEA5 Plays a Positive Role in ABA-Induced Antioxidant Defense in Oryza sativa L. PLANT & CELL PHYSIOLOGY 2018; 59:916-929. [PMID: 29432551 DOI: 10.1093/pcp/pcy035] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2017] [Accepted: 02/05/2018] [Indexed: 05/21/2023]
Abstract
OsLEA5 acts as a co-regulator of a transcriptional fact ZFP36 to enhance the expression and the activity of ascorbate peroxidase OsAPX1 to regulate seed germination in rice, but it it unknown whether OsLEA5 is also crucial in plant seedlings under stress conditions. To determine this, we generated OsLEA5 overexpression and knockdown rice plants. We found that overexpression of OsLEA5 in rice plants enhanced the tolerance to drought and salt stress; in contrast, an RNA interference (RNAi) mutant of OsLEA5 rice plants was more sensitive to drought and salinity. Further investigation found that various stimuli and ABA could induce OsLEA5 expression, and OsLEA5 acted downstream of ZFP36 to be involved in ABA-induced generation of hydrogen peroxide (H2O2), and the regulation of the expression and the activities of antioxidant defense enzymes in plants leaves, and OsLEA5 contributed to stabilize ZFP36. Additionally, OsLEA5 participates in the accumulation of ABA by up-regulating ABA biosynthesis genes and down-regulating ABA metabolism genes. Moreover, we found that two homologs of OsLEA5 (5C700, short for Os05g0526700; and 5C300, short for Os05g0584300) which were induced by ABA also interacted with ZFP36 separately; interestingly, the nuclear-located 5C700 could also act as a co-activator of ZFP36 to modulate OsAPX1, while 5C300 which was down-regulated by ABA induction acted as an ABA-induced inhibitor of ZFP36 to regulate OsAPX1. Hence, our conclusion is that OsLEA5 participates in the ABA-mediated antioxidant defense to function in drought and salt stress response in rice, and the 5C subgroup of LEAs contribute by acting as co-regulators of the transcription factor ZFP36.
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Affiliation(s)
- Liping Huang
- College of Life Sciences, Nanjing Agricultural University, Nanjing, Jiangsu 210095, PR China
- National Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing 210095, PR China
| | - MengYao Zhang
- College of Life Sciences, Nanjing Agricultural University, Nanjing, Jiangsu 210095, PR China
- National Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Jing Jia
- College of Life Sciences, Nanjing Agricultural University, Nanjing, Jiangsu 210095, PR China
- National Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Xixi Zhao
- College of Life Sciences, Nanjing Agricultural University, Nanjing, Jiangsu 210095, PR China
- National Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Xingxiu Huang
- College of Life Sciences, Nanjing Agricultural University, Nanjing, Jiangsu 210095, PR China
- National Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing 210095, PR China
| | - E Ji
- College of Life Sciences, Nanjing Agricultural University, Nanjing, Jiangsu 210095, PR China
- National Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Lan Ni
- College of Life Sciences, Nanjing Agricultural University, Nanjing, Jiangsu 210095, PR China
- National Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Mingyi Jiang
- College of Life Sciences, Nanjing Agricultural University, Nanjing, Jiangsu 210095, PR China
- National Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing 210095, PR China
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20
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Jagodzik P, Tajdel-Zielinska M, Ciesla A, Marczak M, Ludwikow A. Mitogen-Activated Protein Kinase Cascades in Plant Hormone Signaling. FRONTIERS IN PLANT SCIENCE 2018; 9:1387. [PMID: 30349547 PMCID: PMC6187979 DOI: 10.3389/fpls.2018.01387] [Citation(s) in RCA: 164] [Impact Index Per Article: 27.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Accepted: 08/31/2018] [Indexed: 05/02/2023]
Abstract
Mitogen-activated protein kinase (MAPK) modules play key roles in the transduction of environmental and developmental signals through phosphorylation of downstream signaling targets, including other kinases, enzymes, cytoskeletal proteins or transcription factors, in all eukaryotic cells. A typical MAPK cascade consists of at least three sequentially acting serine/threonine kinases, a MAP kinase kinase kinase (MAPKKK), a MAP kinase kinase (MAPKK) and finally, the MAP kinase (MAPK) itself, with each phosphorylating, and hence activating, the next kinase in the cascade. Recent advances in our understanding of hormone signaling pathways have led to the discovery of new regulatory systems. In particular, this research has revealed the emerging role of crosstalk between the protein components of various signaling pathways and the involvement of this crosstalk in multiple cellular processes. Here we provide an overview of current models and mechanisms of hormone signaling with a special emphasis on the role of MAPKs in cell signaling networks. One-sentence summary: In this review we highlight the mechanisms of crosstalk between MAPK cascades and plant hormone signaling pathways and summarize recent findings on MAPK regulation and function in various cellular processes.
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Affiliation(s)
- Przemysław Jagodzik
- Department of Plant Physiology, Institute of Experimental Biology, Faculty of Biology, Adam Mickiewicz University in Poznań, Poznań, Poland
| | - Małgorzata Tajdel-Zielinska
- Department of Biotechnology, Institute of Molecular Biology and Biotechnology, Faculty of Biology, Adam Mickiewicz University in Poznań, Poznań, Poland
| | - Agata Ciesla
- Department of Biotechnology, Institute of Molecular Biology and Biotechnology, Faculty of Biology, Adam Mickiewicz University in Poznań, Poznań, Poland
| | - Małgorzata Marczak
- Department of Biotechnology, Institute of Molecular Biology and Biotechnology, Faculty of Biology, Adam Mickiewicz University in Poznań, Poznań, Poland
| | - Agnieszka Ludwikow
- Department of Biotechnology, Institute of Molecular Biology and Biotechnology, Faculty of Biology, Adam Mickiewicz University in Poznań, Poznań, Poland
- *Correspondence: Agnieszka Ludwikow,
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21
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Liao Y, Bai Q, Xu P, Wu T, Guo D, Peng Y, Zhang H, Deng X, Chen X, Luo M, Ali A, Wang W, Wu X. Mutation in Rice Abscisic Acid2 Results in Cell Death, Enhanced Disease-Resistance, Altered Seed Dormancy and Development. FRONTIERS IN PLANT SCIENCE 2018; 9:405. [PMID: 29643863 PMCID: PMC5882781 DOI: 10.3389/fpls.2018.00405] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Accepted: 03/14/2018] [Indexed: 05/15/2023]
Abstract
Lesion mimic mutants display spontaneous cell death, and thus are valuable for understanding the molecular mechanism of cell death and disease resistance. Although a lot of such mutants have been characterized in rice, the relationship between lesion formation and abscisic acid (ABA) synthesis pathway is not reported. In the present study, we identified a rice mutant, lesion mimic mutant 9150 (lmm9150), exhibiting spontaneous cell death, pre-harvest sprouting, enhanced growth, and resistance to rice bacterial and blast diseases. Cell death in the mutant was accompanied with excessive accumulation of H2O2. Enhanced disease resistance was associated with cell death and upregulation of defense-related genes. Map-based cloning identified a G-to-A point mutation resulting in a D-to-N substitution at the amino acid position 110 of OsABA2 (LOC_Os03g59610) in lmm9150. Knock-out of OsABA2 through CRISPR/Cas9 led to phenotypes similar to those of lmm9150. Consistent with the function of OsABA2 in ABA biosynthesis, ABA level in the lmm9150 mutant was significantly reduced. Moreover, exogenous application of ABA could rescue all the mutant phenotypes of lmm9150. Taken together, our data linked ABA deficiency to cell death and provided insight into the role of ABA in rice disease resistance.
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Affiliation(s)
- Yongxiang Liao
- Rice Research Institute, Sichuan Agricultural University, Sichuan, China
| | - Que Bai
- Rice Research Institute, Sichuan Agricultural University, Sichuan, China
| | - Peizhou Xu
- Rice Research Institute, Sichuan Agricultural University, Sichuan, China
| | - Tingkai Wu
- Rice Research Institute, Sichuan Agricultural University, Sichuan, China
| | - Daiming Guo
- Rice Research Institute, Sichuan Agricultural University, Sichuan, China
| | - Yongbin Peng
- Rice Research Institute, Sichuan Agricultural University, Sichuan, China
| | - Hongyu Zhang
- Rice Research Institute, Sichuan Agricultural University, Sichuan, China
| | - Xiaoshu Deng
- Rice Research Institute, Sichuan Agricultural University, Sichuan, China
| | - Xiaoqiong Chen
- Rice Research Institute, Sichuan Agricultural University, Sichuan, China
| | - Ming Luo
- Agriculture and Food, Commonwealth Scientific and Industrial Research Organization (CSIRO), Canberra, ACT, Australia
| | - Asif Ali
- Rice Research Institute, Sichuan Agricultural University, Sichuan, China
| | - Wenming Wang
- Rice Research Institute, Sichuan Agricultural University, Sichuan, China
- *Correspondence: Wenming Wang, Xianjun Wu,
| | - Xianjun Wu
- Rice Research Institute, Sichuan Agricultural University, Sichuan, China
- *Correspondence: Wenming Wang, Xianjun Wu,
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22
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Landi S, Hausman JF, Guerriero G, Esposito S. Poaceae vs. Abiotic Stress: Focus on Drought and Salt Stress, Recent Insights and Perspectives. FRONTIERS IN PLANT SCIENCE 2017; 8:1214. [PMID: 28744298 PMCID: PMC5504180 DOI: 10.3389/fpls.2017.01214] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2017] [Accepted: 06/27/2017] [Indexed: 05/03/2023]
Abstract
Poaceae represent the most important group of crops susceptible to abiotic stress. This large family of monocotyledonous plants, commonly known as grasses, counts several important cultivated species, namely wheat (Triticum aestivum), rice (Oryza sativa), maize (Zea mays), and barley (Hordeum vulgare). These crops, notably, show different behaviors under abiotic stress conditions: wheat and rice are considered sensitive, showing serious yield reduction upon water scarcity and soil salinity, while barley presents a natural drought and salt tolerance. During the green revolution (1940-1960), cereal breeding was very successful in developing high-yield crops varieties; however, these cultivars were maximized for highest yield under optimal conditions, and did not present suitable traits for tolerance under unfavorable conditions. The improvement of crop abiotic stress tolerance requires a deep knowledge of the phenomena underlying tolerance, to devise novel approaches and decipher the key components of agricultural production systems. Approaches to improve food production combining both enhanced water use efficiency (WUE) and acceptable yields are critical to create a sustainable agriculture in the future. This paper analyzes the latest results on abiotic stress tolerance in Poaceae. In particular, the focus will be directed toward various aspects of water deprivation and salinity response efficiency in Poaceae. Aspects related to cell wall metabolism will be covered, given the importance of the plant cell wall in sensing environmental constraints and in mediating a response; the role of silicon (Si), an important element for monocots' normal growth and development, will also be discussed, since it activates a broad-spectrum response to different exogenous stresses. Perspectives valorizing studies on landraces conclude the survey, as they help identify key traits for breeding purposes.
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Affiliation(s)
- Simone Landi
- Dipartimento di Biologia, Università di Napoli “Federico II”Napoli, Italy
| | - Jean-Francois Hausman
- Environmental Research and Innovation Department, Luxembourg Institute of Science and TechnologyEsch-sur-Alzette, Luxembourg
| | - Gea Guerriero
- Environmental Research and Innovation Department, Luxembourg Institute of Science and TechnologyEsch-sur-Alzette, Luxembourg
| | - Sergio Esposito
- Dipartimento di Biologia, Università di Napoli “Federico II”Napoli, Italy
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23
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Macovei A, Pagano A, Leonetti P, Carbonera D, Balestrazzi A, Araújo SS. Systems biology and genome-wide approaches to unveil the molecular players involved in the pre-germinative metabolism: implications on seed technology traits. PLANT CELL REPORTS 2017; 36:669-688. [PMID: 27730302 DOI: 10.1007/s00299-016-2060-5] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2016] [Accepted: 09/26/2016] [Indexed: 05/21/2023]
Abstract
The pre-germinative metabolism is among the most fascinating aspects of seed biology. The early seed germination phase, or pre-germination, is characterized by rapid water uptake (imbibition), which directs a series of dynamic biochemical events. Among those are enzyme activation, DNA damage and repair, and use of reserve storage compounds, such as lipids, carbohydrates and proteins. Industrial seedling production and intensive agricultural production systems require seed stocks with high rate of synchronized germination and low dormancy. Consequently, seed dormancy, a quantitative trait related to the activation of the pre-germinative metabolism, is probably the most studied seed trait in model species and crops. Single omics, systems biology, QTLs and GWAS mapping approaches have unveiled a list of molecules and regulatory mechanisms acting at transcriptional, post-transcriptional and post-translational levels. Most of the identified candidate genes encode for regulatory proteins targeting ROS, phytohormone and primary metabolisms, corroborating the data obtained from simple molecular biology approaches. Emerging evidences show that epigenetic regulation plays a crucial role in the regulation of these mentioned processes, constituting a still unexploited strategy to modulate seed traits. The present review will provide an up-date of the current knowledge on seed pre-germinative metabolism, gathering the most relevant results from physiological, genetics, and omics studies conducted in model and crop plants. The effects exerted by the biotic and abiotic stresses and priming are also addressed. The possible implications derived from the modulation of pre-germinative metabolism will be discussed from the point of view of seed quality and technology.
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Affiliation(s)
- Anca Macovei
- Department of Biology and Biotechnology 'L. Spallanzani', University of Pavia, via Ferrata 9, 27100, Pavia, Italy
| | - Andrea Pagano
- Department of Biology and Biotechnology 'L. Spallanzani', University of Pavia, via Ferrata 9, 27100, Pavia, Italy
| | - Paola Leonetti
- Institute for Sustainable Plant Protection, National Council of Research, via Amendola 122/D, 70126, Bari, Italy
| | - Daniela Carbonera
- Department of Biology and Biotechnology 'L. Spallanzani', University of Pavia, via Ferrata 9, 27100, Pavia, Italy
| | - Alma Balestrazzi
- Department of Biology and Biotechnology 'L. Spallanzani', University of Pavia, via Ferrata 9, 27100, Pavia, Italy
| | - Susana S Araújo
- Department of Biology and Biotechnology 'L. Spallanzani', University of Pavia, via Ferrata 9, 27100, Pavia, Italy.
- Plant Cell Biotechnology Laboratory, Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa (ITQB-NOVA), Av. da República, Estação Agronómica Nacional, 2780-157, Oeiras, Portugal.
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