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Kim Y, Kim SH, Lim J, Kim SH. ATBS1-INTERACTING FACTOR 2 Positively Regulates Freezing Tolerance via INDUCER OF CBF EXPRESSION 1/C-REPEAT BINDING FACTOR-Induced Cold Acclimation Pathway. PLANT & CELL PHYSIOLOGY 2024; 65:1363-1376. [PMID: 38957969 DOI: 10.1093/pcp/pcae072] [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: 10/13/2023] [Accepted: 07/02/2024] [Indexed: 07/04/2024]
Abstract
The INDUCER OF CBF EXPRESSION 1/C-REPEAT BINDING FACTOR (ICE1/CBF) pathway plays a crucial role in plant responses to cold stress, impacting growth and development. Here, we demonstrated that ATBS1-INTERACTING FACTOR 2 (AIF2), a non-DNA-binding basic helix-loop-helix transcription factor, positively regulates freezing tolerance through the ICE1/CBF-induced cold tolerance pathway in Arabidopsis. Cold stress transcriptionally upregulated AIF2 expression and induced AIF2 phosphorylation, thereby stabilizing the AIF2 protein during early stages of cold acclimation. The AIF2 loss-of-function mutant, aif2-1, exhibited heightened sensitivity to freezing before and after cold acclimation. In contrast, ectopic expression of AIF2, but not the C-terminal-deleted AIF2 variant, restored freezing tolerance. AIF2 enhanced ICE1 stability during cold acclimation and promoted the transcriptional expression of CBFs and downstream cold-responsive genes, ultimately enhancing plant tolerance to freezing stress. MITOGEN-ACTIVATED PROTEIN KINASES 3 and 6 (MPK3/6), known negative regulators of freezing tolerance, interacted with and phosphorylated AIF2, subjecting it to protein degradation. Furthermore, transient co-expression of MPK3/6 with AIF2 and ICE1 downregulated AIF2/ICE1-induced transactivation of CBF2 expression. AIF2 interacted preferentially with BRASSINOSTEROID-INSENSITIVE 2 (BIN2) and MPK3/6 during the early and later stages of cold acclimation, respectively, thereby differentially regulating AIF2 activity in a cold acclimation time-dependent manner. Moreover, AIF2 acted additively in a gain-of-function mutant of BRASSINAZOLE-RESISTANT 1 (BZR1; bzr1-1D) and a triple knockout mutant of BIN2 and its homologs (bin2bil1bil2) to induce CBFs-mediated freezing tolerance. This suggests that cold-induced AIF2 coordinates freezing tolerance along with BZR1 and BIN2, key positive and negative components, respectively, of brassinosteroid signaling pathways.
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Affiliation(s)
- Yoon Kim
- Division of Biological Science and Technology, Yonsei University, 1 Yonseidae-Gil, Wonju-Si 220-710, Republic of Korea
| | - Sun-Ho Kim
- Division of Biological Science and Technology, Yonsei University, 1 Yonseidae-Gil, Wonju-Si 220-710, Republic of Korea
| | - Jun Lim
- Department of Systems Biotechnology, Konkuk University, Gwangjin-gu, Seoul 05029, Republic of Korea
| | - Soo-Hwan Kim
- Division of Biological Science and Technology, Yonsei University, 1 Yonseidae-Gil, Wonju-Si 220-710, Republic of Korea
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2
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Białoskórska M, Rucińska A, Boczkowska M. Molecular Mechanisms Underlying Freezing Tolerance in Plants: Implications for Cryopreservation. Int J Mol Sci 2024; 25:10110. [PMID: 39337593 PMCID: PMC11432106 DOI: 10.3390/ijms251810110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2024] [Revised: 09/16/2024] [Accepted: 09/18/2024] [Indexed: 09/30/2024] Open
Abstract
Cryopreservation is a crucial technique for the long-term ex situ conservation of plant genetic resources, particularly in the context of global biodiversity decline. This process entails freezing biological material at ultra-low temperatures using liquid nitrogen, which effectively halts metabolic activities and preserves plant tissues over extended periods. Over the past seven decades, a plethora of techniques for cryopreserving plant materials have been developed. These include slow freezing, vitrification, encapsulation dehydration, encapsulation-vitrification, droplet vitrification, cryo-plates, and cryo-mesh techniques. A key challenge in the advancement of cryopreservation lies in our ability to understand the molecular processes underlying plant freezing tolerance. These mechanisms include cold acclimatization, the activation of cold-responsive genes through pathways such as the ICE-CBF-COR cascade, and the protective roles of transcription factors, non-coding RNAs, and epigenetic modifications. Furthermore, specialized proteins, such as antifreeze proteins (AFPs) and late embryogenesis abundant (LEA) proteins, play crucial roles in protecting plant cells during freezing and thawing. Despite its potential, cryopreservation faces significant challenges, particularly in standardizing protocols for a wide range of plant species, especially those from tropical and subtropical regions. This review highlights the importance of ongoing research and the integration of omics technologies to improve cryopreservation techniques, ensuring their effectiveness across diverse plant species and contributing to global efforts regarding biodiversity conservation.
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Affiliation(s)
- Magdalena Białoskórska
- Plant Breeding and Acclimatization Institute-National Research Institute in Radzików, 05-870 Błonie, Poland
| | - Anna Rucińska
- Plant Breeding and Acclimatization Institute-National Research Institute in Radzików, 05-870 Błonie, Poland
- Botanical Garden, Center for Biological Diversity Conservation in Powsin, Polish Academy of Science, Prawdziwka 2, 02-976 Warszawa, Poland
| | - Maja Boczkowska
- Plant Breeding and Acclimatization Institute-National Research Institute in Radzików, 05-870 Błonie, Poland
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3
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Sun S, Yang Y, Hao S, Liu Y, Zhang X, Yang P, Zhang X, Luo Y. Comparison of transcriptome and metabolome analysis revealed cold-resistant metabolic pathways in cucumber roots under low-temperature stress in root zone. FRONTIERS IN PLANT SCIENCE 2024; 15:1413716. [PMID: 39315370 PMCID: PMC11416975 DOI: 10.3389/fpls.2024.1413716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/07/2024] [Accepted: 06/10/2024] [Indexed: 09/25/2024]
Abstract
Introduction Low ground temperature is a major factor limiting overwintering in cucumber cultivation facilities in northern alpine regions. Lower temperatures in the root zone directly affect the physiological function of the root system, which in turn affects the normal physiological activity of plants. However, the importance of the ground temperature in facilities has not attracted sufficient attention. Methods Therefore, this study tested the cucumber variety Jinyou 35 under three root zone temperatures (room temperature, 20-22°C; suboptimal temperature, 13- 15°C; and low temperature, 8-10°C) to investigated possible cold resistance mechanisms in the root of cucumber seedlings through hormone, metabolomics, and transcriptomics analyses. Results and discussion The results showed that cucumber roots were subjected to chilling stress at different temperatures. Hormone analysis indicated that auxin content was highest in the roots. Jasmonic acid and strigolactone participated in the low-temperature stress response. Auxin and jasmonate are key hormones that regulate the response of cucumber roots to low temperatures. Phenolic acid was the most abundant metabolite in cucumber roots under chilling stress. Additionally, triterpenes may play an important role in chilling resistance. Differentially expressed genes and metabolites were significantly enriched in benzoxazinoid biosynthesis in the room temperature vs. suboptimal temperature groups and the room temperature vs. low temperature groups. Most differentially expressed transcription factor genes in AP2/ERF were strongly induced in cucumber roots by both suboptimal and low-temperature stress conditions. These results provide guidance for the cultivation of cucumber in facilities.
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Affiliation(s)
- Shijun Sun
- Hetao College, Department of Agronomy, Bayannur, China
- Key Laboratory of Urban Agriculture, Ministry of Agriculture and Rural Affairs, Shanghai, China
- Hetao Green Agricultural Product Safety Production and Warning Control Laboratory, Hetao College, Bayannur, China
| | - Yan Yang
- Urat Middle Banner Green Industry Development Center, Bayannur, China
| | - Shuiyuan Hao
- Hetao College, Department of Agronomy, Bayannur, China
- Hetao Green Agricultural Product Safety Production and Warning Control Laboratory, Hetao College, Bayannur, China
| | - Ye Liu
- Hetao College, Department of Agronomy, Bayannur, China
- Hetao Green Agricultural Product Safety Production and Warning Control Laboratory, Hetao College, Bayannur, China
| | - Xin Zhang
- Hetao College, Department of Agronomy, Bayannur, China
- Hetao Green Agricultural Product Safety Production and Warning Control Laboratory, Hetao College, Bayannur, China
| | - Pudi Yang
- Hetao College, Department of Agronomy, Bayannur, China
- Hetao Green Agricultural Product Safety Production and Warning Control Laboratory, Hetao College, Bayannur, China
| | - Xudong Zhang
- Hetao College, Department of Agronomy, Bayannur, China
- Hetao Green Agricultural Product Safety Production and Warning Control Laboratory, Hetao College, Bayannur, China
| | - Yusong Luo
- Department of Horticulture, Hunan Agricultural University, Changsha, Hunan, China
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4
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He Z, Zhou M, Feng X, Di Q, Meng D, Yu X, Yan Y, Sun M, Li Y. The Role of Brassinosteroids in Plant Cold Stress Response. Life (Basel) 2024; 14:1015. [PMID: 39202757 PMCID: PMC11355907 DOI: 10.3390/life14081015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2024] [Revised: 08/14/2024] [Accepted: 08/14/2024] [Indexed: 09/03/2024] Open
Abstract
Temperature affects plant growth and geographical distribution. Cold stress occurs when temperatures fall below the physiologically optimal range for plants, causing permanent and irreversible damage to plant growth, development, and production. Brassinosteroids (BRs) are steroid hormones that play an important role in plant growth and various stress responses. Recent studies have shown that low temperatures affect BR biosynthesis in many plant species and that BR signaling is involved in the regulation of plant tolerance to low temperatures, both in the CBF-dependent and CBF-independent pathways. These two regulatory pathways correspond to transient and acclimation responses of low temperature, respectively. The crosstalk between BRs and other hormones is a significant factor in low-temperature tolerance. We provide an overview of recent developments in our knowledge of BRs' function in plant responses to cold stress and how they interact with other plant hormones in this review.
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Affiliation(s)
| | | | | | | | | | | | | | - Mintao Sun
- State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China; (Z.H.); (M.Z.); (X.F.); (Q.D.); (D.M.); (X.Y.); (Y.Y.)
| | - Yansu Li
- State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China; (Z.H.); (M.Z.); (X.F.); (Q.D.); (D.M.); (X.Y.); (Y.Y.)
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Chu W, Chang S, Lin J, Zhang C, Li J, Liu X, Liu Z, Liu D, Yang Q, Zhao D, Liu X, Guo W, Xin M, Yao Y, Peng H, Xie C, Ni Z, Sun Q, Hu Z. Methyltransferase TaSAMT1 mediates wheat freezing tolerance by integrating brassinosteroid and salicylic acid signaling. THE PLANT CELL 2024; 36:2607-2628. [PMID: 38537937 PMCID: PMC11218785 DOI: 10.1093/plcell/koae100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Accepted: 02/23/2024] [Indexed: 07/04/2024]
Abstract
Cold injury is a major environmental stress affecting the growth and yield of crops. Brassinosteroids (BRs) and salicylic acid (SA) play important roles in plant cold tolerance. However, whether or how BR signaling interacts with the SA signaling pathway in response to cold stress is still unknown. Here, we identified an SA methyltransferase, TaSAMT1 that converts SA to methyl SA (MeSA) and confers freezing tolerance in wheat (Triticum aestivum). TaSAMT1 overexpression greatly enhanced wheat freezing tolerance, with plants accumulating more MeSA and less SA, whereas Tasamt1 knockout lines were sensitive to freezing stress and accumulated less MeSA and more SA. Spraying plants with MeSA conferred freezing tolerance to Tasamt1 mutants, but SA did not. We revealed that BRASSINAZOLE-RESISTANT 1 (TaBZR1) directly binds to the TaSAMT1 promoter and induces its transcription. Moreover, TaBZR1 interacts with the histone acetyltransferase TaHAG1, which potentiates TaSAMT1 expression via increased histone acetylation and modulates the SA pathway during freezing stress. Additionally, overexpression of TaBZR1 or TaHAG1 altered TaSAMT1 expression and improved freezing tolerance. Our results demonstrate a key regulatory node that connects the BR and SA pathways in the plant cold stress response. The regulatory factors or genes identified could be effective targets for the genetic improvement of freezing tolerance in crops.
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Affiliation(s)
- Wei Chu
- Frontiers Science Center for Molecular Design Breeding/Key Laboratory of Crop Heterosis and Utilization (MOE)/Beijing Key Laboratory of Crop Genetic Improvement, China Agricultural University, No. 2 Yuanmingyuan Xi Road, Haidian District, Beijing 100193, PR China
| | - Shumin Chang
- Frontiers Science Center for Molecular Design Breeding/Key Laboratory of Crop Heterosis and Utilization (MOE)/Beijing Key Laboratory of Crop Genetic Improvement, China Agricultural University, No. 2 Yuanmingyuan Xi Road, Haidian District, Beijing 100193, PR China
| | - Jingchen Lin
- Frontiers Science Center for Molecular Design Breeding/Key Laboratory of Crop Heterosis and Utilization (MOE)/Beijing Key Laboratory of Crop Genetic Improvement, China Agricultural University, No. 2 Yuanmingyuan Xi Road, Haidian District, Beijing 100193, PR China
| | - Chenji Zhang
- Frontiers Science Center for Molecular Design Breeding/Key Laboratory of Crop Heterosis and Utilization (MOE)/Beijing Key Laboratory of Crop Genetic Improvement, China Agricultural University, No. 2 Yuanmingyuan Xi Road, Haidian District, Beijing 100193, PR China
| | - Jinpeng Li
- Frontiers Science Center for Molecular Design Breeding/Key Laboratory of Crop Heterosis and Utilization (MOE)/Beijing Key Laboratory of Crop Genetic Improvement, China Agricultural University, No. 2 Yuanmingyuan Xi Road, Haidian District, Beijing 100193, PR China
| | - Xingbei Liu
- Frontiers Science Center for Molecular Design Breeding/Key Laboratory of Crop Heterosis and Utilization (MOE)/Beijing Key Laboratory of Crop Genetic Improvement, China Agricultural University, No. 2 Yuanmingyuan Xi Road, Haidian District, Beijing 100193, PR China
| | - Zehui Liu
- Frontiers Science Center for Molecular Design Breeding/Key Laboratory of Crop Heterosis and Utilization (MOE)/Beijing Key Laboratory of Crop Genetic Improvement, China Agricultural University, No. 2 Yuanmingyuan Xi Road, Haidian District, Beijing 100193, PR China
| | - Debiao Liu
- Frontiers Science Center for Molecular Design Breeding/Key Laboratory of Crop Heterosis and Utilization (MOE)/Beijing Key Laboratory of Crop Genetic Improvement, China Agricultural University, No. 2 Yuanmingyuan Xi Road, Haidian District, Beijing 100193, PR China
| | - Qun Yang
- Frontiers Science Center for Molecular Design Breeding/Key Laboratory of Crop Heterosis and Utilization (MOE)/Beijing Key Laboratory of Crop Genetic Improvement, China Agricultural University, No. 2 Yuanmingyuan Xi Road, Haidian District, Beijing 100193, PR China
| | - Danyang Zhao
- Frontiers Science Center for Molecular Design Breeding/Key Laboratory of Crop Heterosis and Utilization (MOE)/Beijing Key Laboratory of Crop Genetic Improvement, China Agricultural University, No. 2 Yuanmingyuan Xi Road, Haidian District, Beijing 100193, PR China
| | - Xiaoyu Liu
- Frontiers Science Center for Molecular Design Breeding/Key Laboratory of Crop Heterosis and Utilization (MOE)/Beijing Key Laboratory of Crop Genetic Improvement, China Agricultural University, No. 2 Yuanmingyuan Xi Road, Haidian District, Beijing 100193, PR China
| | - Weilong Guo
- Frontiers Science Center for Molecular Design Breeding/Key Laboratory of Crop Heterosis and Utilization (MOE)/Beijing Key Laboratory of Crop Genetic Improvement, China Agricultural University, No. 2 Yuanmingyuan Xi Road, Haidian District, Beijing 100193, PR China
| | - Mingming Xin
- Frontiers Science Center for Molecular Design Breeding/Key Laboratory of Crop Heterosis and Utilization (MOE)/Beijing Key Laboratory of Crop Genetic Improvement, China Agricultural University, No. 2 Yuanmingyuan Xi Road, Haidian District, Beijing 100193, PR China
| | - Yingyin Yao
- Frontiers Science Center for Molecular Design Breeding/Key Laboratory of Crop Heterosis and Utilization (MOE)/Beijing Key Laboratory of Crop Genetic Improvement, China Agricultural University, No. 2 Yuanmingyuan Xi Road, Haidian District, Beijing 100193, PR China
| | - Huiru Peng
- Frontiers Science Center for Molecular Design Breeding/Key Laboratory of Crop Heterosis and Utilization (MOE)/Beijing Key Laboratory of Crop Genetic Improvement, China Agricultural University, No. 2 Yuanmingyuan Xi Road, Haidian District, Beijing 100193, PR China
| | - Chaojie Xie
- Frontiers Science Center for Molecular Design Breeding/Key Laboratory of Crop Heterosis and Utilization (MOE)/Beijing Key Laboratory of Crop Genetic Improvement, China Agricultural University, No. 2 Yuanmingyuan Xi Road, Haidian District, Beijing 100193, PR China
| | - Zhongfu Ni
- Frontiers Science Center for Molecular Design Breeding/Key Laboratory of Crop Heterosis and Utilization (MOE)/Beijing Key Laboratory of Crop Genetic Improvement, China Agricultural University, No. 2 Yuanmingyuan Xi Road, Haidian District, Beijing 100193, PR China
| | - Qixin Sun
- Frontiers Science Center for Molecular Design Breeding/Key Laboratory of Crop Heterosis and Utilization (MOE)/Beijing Key Laboratory of Crop Genetic Improvement, China Agricultural University, No. 2 Yuanmingyuan Xi Road, Haidian District, Beijing 100193, PR China
| | - Zhaorong Hu
- Frontiers Science Center for Molecular Design Breeding/Key Laboratory of Crop Heterosis and Utilization (MOE)/Beijing Key Laboratory of Crop Genetic Improvement, China Agricultural University, No. 2 Yuanmingyuan Xi Road, Haidian District, Beijing 100193, PR China
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Stachurska J, Sadura I, Jurczyk B, Rudolphi-Szydło E, Dyba B, Pociecha E, Ostrowska A, Rys M, Kvasnica M, Oklestkova J, Janeczko A. Cold Acclimation and Deacclimation of Winter Oilseed Rape, with Special Attention Being Paid to the Role of Brassinosteroids. Int J Mol Sci 2024; 25:6010. [PMID: 38892204 PMCID: PMC11172585 DOI: 10.3390/ijms25116010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2024] [Revised: 05/21/2024] [Accepted: 05/26/2024] [Indexed: 06/21/2024] Open
Abstract
Winter plants acclimate to frost mainly during the autumn months, through the process of cold acclimation. Global climate change is causing changes in weather patterns such as the occurrence of warmer periods during late autumn or in winter. An increase in temperature after cold acclimation can decrease frost tolerance, which is particularly dangerous for winter crops. The aim of this study was to investigate the role of brassinosteroids (BRs) and BR analogues as protective agents against the negative results of deacclimation. Plants were cold-acclimated (3 weeks, 4 °C) and deacclimated (1 week, 16/9 °C d/n). Deacclimation generally reversed the cold-induced changes in the level of the putative brassinosteroid receptor protein (BRI1), the expression of BR-induced COR, and the expression of SERK1, which is involved in BR signal transduction. The deacclimation-induced decrease in frost tolerance in oilseed rape could to some extent be limited by applying steroid regulators. The deacclimation in plants could be detected using non-invasive measurements such as leaf reflectance, chlorophyll a fluorescence, and gas exchange monitoring.
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Affiliation(s)
- Julia Stachurska
- The Franciszek Górski Institute of Plant Physiology, Polish Academy of Sciences, Niezapominajek 21, 30-239 Krakow, Poland; (I.S.); (A.O.); (M.R.)
| | - Iwona Sadura
- The Franciszek Górski Institute of Plant Physiology, Polish Academy of Sciences, Niezapominajek 21, 30-239 Krakow, Poland; (I.S.); (A.O.); (M.R.)
| | - Barbara Jurczyk
- Department of Plant Breeding, Physiology and Seed Science, Faculty of Agriculture and Economics, University of Agriculture in Kraków, Podłużna 3, 30-239 Krakow, Poland; (B.J.); (E.P.)
| | - Elżbieta Rudolphi-Szydło
- Institute of Biology and Earth Sciences, University of the National Education Commission, Podchorążych 2, 30-084 Krakow, Poland; (E.R.-S.); (B.D.)
| | - Barbara Dyba
- Institute of Biology and Earth Sciences, University of the National Education Commission, Podchorążych 2, 30-084 Krakow, Poland; (E.R.-S.); (B.D.)
| | - Ewa Pociecha
- Department of Plant Breeding, Physiology and Seed Science, Faculty of Agriculture and Economics, University of Agriculture in Kraków, Podłużna 3, 30-239 Krakow, Poland; (B.J.); (E.P.)
| | - Agnieszka Ostrowska
- The Franciszek Górski Institute of Plant Physiology, Polish Academy of Sciences, Niezapominajek 21, 30-239 Krakow, Poland; (I.S.); (A.O.); (M.R.)
| | - Magdalena Rys
- The Franciszek Górski Institute of Plant Physiology, Polish Academy of Sciences, Niezapominajek 21, 30-239 Krakow, Poland; (I.S.); (A.O.); (M.R.)
| | - Miroslav Kvasnica
- Laboratory of Growth Regulators, Faculty of Science and Institute of Experimental Botany of the Czech Academy of Sciences, Palacký University, Šlechtitelu 27, CZ-78371 Olomouc, Czech Republic; (M.K.); (J.O.)
| | - Jana Oklestkova
- Laboratory of Growth Regulators, Faculty of Science and Institute of Experimental Botany of the Czech Academy of Sciences, Palacký University, Šlechtitelu 27, CZ-78371 Olomouc, Czech Republic; (M.K.); (J.O.)
| | - Anna Janeczko
- The Franciszek Górski Institute of Plant Physiology, Polish Academy of Sciences, Niezapominajek 21, 30-239 Krakow, Poland; (I.S.); (A.O.); (M.R.)
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7
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Zhao Y, Han Q, Zhang D. Recent Advances in the Crosstalk between Brassinosteroids and Environmental Stimuli. PLANT & CELL PHYSIOLOGY 2024:pcae024. [PMID: 38578169 DOI: 10.1093/pcp/pcae024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 02/28/2024] [Accepted: 03/12/2024] [Indexed: 04/06/2024]
Abstract
Due to their sessile lifestyle, plants need to optimize their growth in order to adapt to ever-changing environments. Plants receive stimuli from the environment and convert them into cellular responses. Brassinosteroids (BRs), as growth-promoting steroid hormones, play a significant role in the tradeoff between growth and environmental responses. Here, we provide a comprehensive summary for understanding the crosstalk between BR and various environmental stresses, including water availability, temperature fluctuations, salinization, nutrient deficiencies and diseases. We also highlight the bottlenecks that need to be addressed in future studies. Ultimately, we suppose to improve plant environmental adaptability and crop yield by excavating natural BR mutants or modifying BR signaling and its targets.
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Affiliation(s)
- Yuqing Zhao
- Ministry of Education Key Laboratory for Bio-Resource and Eco-Environment, College of Life Science, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu 610065, China
| | - Qing Han
- Ministry of Education Key Laboratory for Bio-Resource and Eco-Environment, College of Life Science, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu 610065, China
| | - Dawei Zhang
- Ministry of Education Key Laboratory for Bio-Resource and Eco-Environment, College of Life Science, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu 610065, China
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8
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Cheng YS, Sun YD, Xing JY, Zhan L, Li XJ, Huang J, Zhao MH, Guo ZF. Transcriptomic and functional analyzes reveal that the brassinosteroid insensitive 1 receptor (OsBRI1) regulates cold tolerance in rice. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 208:108472. [PMID: 38442627 DOI: 10.1016/j.plaphy.2024.108472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 02/20/2024] [Accepted: 02/26/2024] [Indexed: 03/07/2024]
Abstract
Brassinosteroids (BR) play crucial roles in plant development and abiotic stresses in plants. Exogenous application of BR can significantly enhance cold tolerance in rice. However, the regulatory relationship between cold tolerance and the BR signaling pathway in rice remains largely unknown. Here, we characterized functions of the BR receptor OsBRI1 in response to cold tolerance in rice using its loss-of-function mutant (d61-1). Our results showed that mutant d61-1 was less tolerant to cold stress than wild-type (WT). Besides, d61-1 had lower levels than WT for some physiological parameters, including catalase activity (CAT), superoxide dismutase activity (SOD), peroxidase activity (POD), peroxidase activity (PRO), soluble protein, and soluble sugar content, while malondialdehyde content (MDA) and relative electrical conductivity (REC) levels in d61-1 were higher than those in WT plants. These results indicated that the loss of OsBRI1 function resulted in decreased cold tolerance in rice. In addition, we performed RNA sequencing (RNA-seq) of WT and d61-1 mutant under cold stress. Numerous common and unique differentially expressed genes (DEGs) with up- and down-regulation were observed in WT and d61-1 mutant. Some DEGs were expressed to various degrees, even opposite, between CK1 vs. T1 (WT) and CK2 vs. T2 (d61-1). Among these specific DEGs, some typical genes are involved in plant tolerance to cold stress. Through weighted correlation network analysis (WGCNA), 50 hub genes were screened in the turquoise and blue module. Many genes were involved in cold stress and plant hormone, such as Os01g0279800 (BRI1-associated receptor kinase 1 precursor), Os10g0513200 (Dwarf and tiller-enhancing 1, DTE1), Os02g0706400 (MYB-related transcription factor, OsRL3), etc. Differential expression levels of some genes were verified in WT and d61-1 under cold stress using qRT-PCR. These valuable findings and gene resources will be critical for understanding the regulatory relationships between cold stress tolerance and the BR signaling pathways in rice.
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Affiliation(s)
- Yi-Shan Cheng
- Key Laboratory of Agricultural Biotechnology of Liaoning Province, College of Biosciences and Biotechnology, Shenyang Agricultural University, Shenyang, 110161, China
| | - Ye-Dong Sun
- Key Laboratory of Agricultural Biotechnology of Liaoning Province, College of Biosciences and Biotechnology, Shenyang Agricultural University, Shenyang, 110161, China
| | - Jia-Ying Xing
- Key Laboratory of Agricultural Biotechnology of Liaoning Province, College of Biosciences and Biotechnology, Shenyang Agricultural University, Shenyang, 110161, China
| | - Lu Zhan
- Key Laboratory of Agricultural Biotechnology of Liaoning Province, College of Biosciences and Biotechnology, Shenyang Agricultural University, Shenyang, 110161, China
| | - Xiu-Jie Li
- Key Laboratory of Agricultural Biotechnology of Liaoning Province, College of Biosciences and Biotechnology, Shenyang Agricultural University, Shenyang, 110161, China
| | - Jing Huang
- Department of Agronomy, College of Agriculture, Purdue University, West Lafayette, IN, 47907, United States
| | - Ming-Hui Zhao
- Rice Research Institute/Collaborative Innovation Center for Genetic Improvement and High Quality and Efficiency Production of Northeast Japonica Rice in China, Shenyang Agricultural University, Shenyang, 110161, China.
| | - Zhi-Fu Guo
- Key Laboratory of Agricultural Biotechnology of Liaoning Province, College of Biosciences and Biotechnology, Shenyang Agricultural University, Shenyang, 110161, China.
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9
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Wang H, Jia Y, Bai X, Gong W, Liu G, Wang H, Xin J, Wu Y, Zheng H, Liu H, Wang J, Zou D, Zhao H. Whole-Transcriptome Profiling and Functional Prediction of Long Non-Coding RNAs Associated with Cold Tolerance in Japonica Rice Varieties. Int J Mol Sci 2024; 25:2310. [PMID: 38396991 PMCID: PMC10889138 DOI: 10.3390/ijms25042310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 02/07/2024] [Accepted: 02/10/2024] [Indexed: 02/25/2024] Open
Abstract
Low-temperature chilling is a major abiotic stress leading to reduced rice yield and is a significant environmental threat to food security. Low-temperature chilling studies have focused on physiological changes or coding genes. However, the competitive endogenous RNA mechanism in rice at low temperatures has not been reported. Therefore, in this study, antioxidant physiological indices were combined with whole-transcriptome data through weighted correlation network analysis, which found that the gene modules had the highest correlation with the key antioxidant enzymes superoxide dismutase and peroxidase. The hub genes of the superoxide dismutase-related module included the UDP-glucosyltransferase family protein, sesquiterpene synthase and indole-3-glycerophosphatase gene. The hub genes of the peroxidase-related module included the WRKY transcription factor, abscisic acid signal transduction pathway-related gene plasma membrane hydrogen-ATPase and receptor-like kinase. Therefore, we selected the modular hub genes and significantly enriched the metabolic pathway genes to construct the key competitive endogenous RNA networks, resulting in three competitive endogenous RNA networks of seven long non-coding RNAs regulating three co-expressed messenger RNAs via four microRNAs. Finally, the negative regulatory function of the WRKY transcription factor OsWRKY61 was determined via subcellular localization and validation of the physiological indices in the mutant.
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Affiliation(s)
| | - Yan Jia
- Correspondence: (Y.J.); (H.Z.)
| | | | | | | | | | | | | | | | | | | | | | - Hongwei Zhao
- Key Laboratory of Germplasm Enhancement and Physiology & Ecology of Food Crop in Cold Region, Ministry of Education/College of Agriculture, Northeast Agricultural University, Harbin 150030, China; (H.W.); (X.B.); (W.G.); (G.L.); (H.W.); (J.X.); (Y.W.); (H.Z.); (H.L.); (J.W.); (D.Z.)
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10
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Ma P, Guo G, Xu X, Luo T, Sun Y, Tang X, Heng W, Jia B, Liu L. Transcriptome Analysis Reveals Key Genes Involved in the Response of Pyrus betuleafolia to Drought and High-Temperature Stress. PLANTS (BASEL, SWITZERLAND) 2024; 13:309. [PMID: 38276764 PMCID: PMC10819556 DOI: 10.3390/plants13020309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 12/30/2023] [Accepted: 01/15/2024] [Indexed: 01/27/2024]
Abstract
Drought and high-temperature stress are the main abiotic stresses that alone or simultaneously affect the yield and quality of pears worldwide. However, studies on the mechanisms of drought or high-temperature resistance in pears remain elusive. Therefore, the molecular responses of Pyrus betuleafolia, the widely used rootstock in pear production, to drought and high temperatures require further study. Here, drought- or high-temperature-resistant seedlings were selected from many Pyrus betuleafolia seedlings. The leaf samples collected before and after drought or high-temperature treatment were used to perform RNA sequencing analysis. For drought treatment, a total of 11,731 differentially expressed genes (DEGs) were identified, including 4444 drought-induced genes and 7287 drought-inhibited genes. Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis revealed that these DEGs were more significantly enriched in plant hormone signal transduction, flavonoid biosynthesis, and glutathione metabolism. For high-temperature treatment, 9639 DEGs were identified, including 5493 significantly upregulated genes and 4146 significantly downregulated genes due to high-temperature stress. KEGG analysis showed that brassinosteroid biosynthesis, arginine metabolism, and proline metabolism were the most enriched pathways for high-temperature response. Meanwhile, the common genes that respond to both drought and high-temperature stress were subsequently identified, with a focus on responsive transcription factors, such as MYB, HSF, bZIP, and WRKY. These results reveal potential genes that function in drought or high-temperature resistance. This study provides a theoretical basis and gene resources for the genetic improvement and molecular breeding of pears.
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Affiliation(s)
| | | | | | | | | | | | | | - Bing Jia
- College of Horticulture, Anhui Agricultural University, Hefei 230036, China; (P.M.); (G.G.); (X.X.); (T.L.); (Y.S.); (X.T.); (W.H.)
| | - Lun Liu
- College of Horticulture, Anhui Agricultural University, Hefei 230036, China; (P.M.); (G.G.); (X.X.); (T.L.); (Y.S.); (X.T.); (W.H.)
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11
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Yueshan J, Sun M, Yansu L, Xiaojie F, Menglu L, Aokun S, Chaoxing H, Yan Y, Jun W, Xianchang Y. Sodium nitrophenolate mediates brassinosteroids signaling to enhance cold tolerance of cucumber seedling. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 206:108317. [PMID: 38171135 DOI: 10.1016/j.plaphy.2023.108317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 12/12/2023] [Accepted: 12/25/2023] [Indexed: 01/05/2024]
Abstract
Cold stress (CS) significantly limits cucumber yield. However, it remains unclear whether and how sodium nitrophenolate (CSN) regulates plant responses to cold stress. Here, H2O, CSN, 24-epibrassinolide (EBR), and CSN + EBR were sprayed on cucumber seedlings before or after CS, and on control plants. We found that CSN, EBR, or EBR + CSN pre-treatment improved seedling growth under normal conditions (control condition) and cold tolerance under CS conditions. EBR pre-treatment promoted the expression of approximately half of the genes involved in BR synthesis and signaling and CsICE-CsCBF-CsCOR under CS. However, CSN pre-treatment promoted almost all the expression of BR synthesis and signaling genes, and CsICE-CsCBF-CsCOR genes, which showed the highest expression in early CS, remarkably improving the cold tolerance of cucumber. Interestingly, EBR and CSN had a superimposed effect on the expression of BR synthesis and signaling and CsICE-CsCBF-CsCOR genes, which rapidly increased their expression under normal temperature. Spraying EBR after CS accelerated seedling recovery, whereas CSN had the opposite effect. However, spraying CSN combined with EBR accelerated the recovery of CS-injured seedlings and was better than spraying EBR alone. Although CS-injured seedlings were negatively influenced by CSN, pre-treatment with CSN accelerated seedling growth and increased cold tolerance, suggesting that the effect of CSN was related to whether the seedlings were damaged by CS. In conclusion, we firstly found that CSN enhanced cold tolerance by activating BR signaling, contributing to the gene expression of ICE-CBF-COR and that CSN + EBR contributed to cold tolerance and CS-injured seedling recovery in cucumber.
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Affiliation(s)
- Jiang Yueshan
- State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Mintao Sun
- State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, 100081, China.
| | - Li Yansu
- State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Feng Xiaojie
- State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Li Menglu
- State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Shi Aokun
- State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - He Chaoxing
- State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Yan Yan
- State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Wang Jun
- State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Yu Xianchang
- State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, 100081, China.
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12
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Zhou Y, Zhang H, Zhang S, Zhang J, Di H, Zhang L, Dong L, Lu Q, Zeng X, Liu X, Zhang N, Wang Z. The G protein-coupled receptor COLD1 promotes chilling tolerance in maize during germination. Int J Biol Macromol 2023; 253:126877. [PMID: 37716664 DOI: 10.1016/j.ijbiomac.2023.126877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 09/09/2023] [Accepted: 09/10/2023] [Indexed: 09/18/2023]
Abstract
The geographic range and yield of the staple crop maize (Zea mays L.) are both strongly limited by low-temperature conditions. One of the most economical and effective measures for improvement of maize production is chilling tolerance enhancement. In this study, a chilling-tolerance gene in maize, ZmCOLD1, was cloned and characterized. This gene encodes a G protein-coupled receptor that is localized to the plasma membrane and the endoplasmic reticulum. A single nucleotide polymorphism (SNP) in ZmCOLD1, SNP2738, was found to confer chilling tolerance and to have promoted maize adaptations during speciation from teosinte. Overexpression of the excellent haplotype ZmCOLD1Hap11 significantly enhanced chilling tolerance, whereas knocking down ZmCOLD1 increased sensitivity to low temperatures during the germination and seedling stages. ZmCOLD1 was associated with an influx of extracellular Ca2+, increases in abscisic acid content, and decreases in gibberellic acid and indole-3-acetic acid content under low temperatures during the germination stage. ZmCOLD1 interacted with the G protein α subunit ZmCT2 at the plasma membrane, and ZmCT2 interacted with ZmLanCL in the nucleus. These proteins are components of the chilling tolerance signaling pathway in maize that are triggered by abscisic acid and photosynthesis. These results offer novel strategies for improvement of chilling tolerance in key crop species.
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Affiliation(s)
- Yu Zhou
- Key Laboratory of Germplasm Enhancement, Physiology and Ecology of Food Crops in Cold Region, Engineering Technology Research Center of Maize Germplasm Resources Innovation on Cold land of Heilongjiang Province, Northeast Agricultural University, Harbin, Heilongjiang 150030, China.
| | - Hong Zhang
- Key Laboratory of Germplasm Enhancement, Physiology and Ecology of Food Crops in Cold Region, Engineering Technology Research Center of Maize Germplasm Resources Innovation on Cold land of Heilongjiang Province, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Simeng Zhang
- Key Laboratory of Germplasm Enhancement, Physiology and Ecology of Food Crops in Cold Region, Engineering Technology Research Center of Maize Germplasm Resources Innovation on Cold land of Heilongjiang Province, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Jiayue Zhang
- Key Laboratory of Germplasm Enhancement, Physiology and Ecology of Food Crops in Cold Region, Engineering Technology Research Center of Maize Germplasm Resources Innovation on Cold land of Heilongjiang Province, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Hong Di
- Key Laboratory of Germplasm Enhancement, Physiology and Ecology of Food Crops in Cold Region, Engineering Technology Research Center of Maize Germplasm Resources Innovation on Cold land of Heilongjiang Province, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Lin Zhang
- Key Laboratory of Germplasm Enhancement, Physiology and Ecology of Food Crops in Cold Region, Engineering Technology Research Center of Maize Germplasm Resources Innovation on Cold land of Heilongjiang Province, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Ling Dong
- Key Laboratory of Germplasm Enhancement, Physiology and Ecology of Food Crops in Cold Region, Engineering Technology Research Center of Maize Germplasm Resources Innovation on Cold land of Heilongjiang Province, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Qing Lu
- Key Laboratory of Germplasm Enhancement, Physiology and Ecology of Food Crops in Cold Region, Engineering Technology Research Center of Maize Germplasm Resources Innovation on Cold land of Heilongjiang Province, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Xing Zeng
- Key Laboratory of Germplasm Enhancement, Physiology and Ecology of Food Crops in Cold Region, Engineering Technology Research Center of Maize Germplasm Resources Innovation on Cold land of Heilongjiang Province, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Xianjun Liu
- Key Laboratory of Germplasm Enhancement, Physiology and Ecology of Food Crops in Cold Region, Engineering Technology Research Center of Maize Germplasm Resources Innovation on Cold land of Heilongjiang Province, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Naifu Zhang
- Key Laboratory of Germplasm Enhancement, Physiology and Ecology of Food Crops in Cold Region, Engineering Technology Research Center of Maize Germplasm Resources Innovation on Cold land of Heilongjiang Province, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Zhenhua Wang
- Key Laboratory of Germplasm Enhancement, Physiology and Ecology of Food Crops in Cold Region, Engineering Technology Research Center of Maize Germplasm Resources Innovation on Cold land of Heilongjiang Province, Northeast Agricultural University, Harbin, Heilongjiang 150030, China.
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13
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Meng D, Li S, Feng X, Di Q, Zhou M, Yu X, He C, Yan Y, Wang J, Sun M, Li Y. CsBPC2 is essential for cucumber survival under cold stress. BMC PLANT BIOLOGY 2023; 23:566. [PMID: 37968586 PMCID: PMC10652477 DOI: 10.1186/s12870-023-04577-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 11/02/2023] [Indexed: 11/17/2023]
Abstract
Cold stress affects the growth and development of cucumbers. Whether the BPC2 transcription factor participates in cold tolerance and its regulatory mechanism in plants have not been reported. Here, we used wild-type (WT) cucumber seedlings and two mutant Csbpc2 lines as materials. The underlying mechanisms were studied by determining the phenotype, physiological and biochemical indicators, and transcriptome after cold stress. The results showed that CsBPC2 knockout reduced cucumber cold tolerance by increasing the chilling injury index, relative electrical conductivity and malondialdehyde (MDA) content and decreasing antioxidant enzyme activity. We then conducted RNA sequencing (RNA-seq) to explore transcript-level changes in Csbpc2 mutants. A large number of differentially expressed genes (1032) were identified and found to be unique in Csbpc2 mutants. However, only 489 down-regulated genes related to the synthesis and transport of amino acids and vitamins were found to be enriched through GO analysis. Moreover, both RNA-seq and qPT-PCR techniques revealed that CsBPC2 knockout also decreased the expression of some key cold-responsive genes, such as CsICE1, CsCOR413IM2, CsBZR1 and CsBZR2. These results strongly suggested that CsBPC2 knockout not only affected cold function genes but also decreased the levels of some key metabolites under cold stress. In conclusion, this study reveals for the first time that CsBPC2 is essential for cold tolerance in cucumber and provides a reference for research on the biological function of BPC2 in other plants.
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Affiliation(s)
- Di Meng
- State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Shuzhen Li
- Ganzhou Key Laboratory of Greenhouse Vegetable, College of Life Science, Gannan Normal University, Ganzhou, 341000, China
| | - Xiaojie Feng
- State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Qinghua Di
- State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Mengdi Zhou
- State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Xianchang Yu
- State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Chaoxing He
- State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Yan Yan
- State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Jun Wang
- State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Mintao Sun
- State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, 100081, China.
| | - Yansu Li
- State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, 100081, China.
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14
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Qiu YM, Guo J, Jiang WZ, Ding JH, Song RF, Zhang JL, Huang X, Yuan HM. HbBIN2 Functions in Plant Cold Stress Resistance through Modulation of HbICE1 Transcriptional Activity and ROS Homeostasis in Hevea brasiliensis. Int J Mol Sci 2023; 24:15778. [PMID: 37958762 PMCID: PMC10649430 DOI: 10.3390/ijms242115778] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/24/2023] [Indexed: 11/15/2023] Open
Abstract
Cold stress poses significant limitations on the growth, latex yield, and ecological distribution of rubber trees (Hevea brasiliensis). The GSK3-like kinase plays a significant role in helping plants adapt to different biotic and abiotic stresses. However, the functions of GSK3-like kinase BR-INSENSITIVE 2 (BIN2) in Hevea brasiliensis remain elusive. Here, we identified HbBIN2s of Hevea brasiliensis and deciphered their roles in cold stress resistance. The transcript levels of HbBIN2s are upregulated by cold stress. In addition, HbBIN2s are present in both the nucleus and cytoplasm and have the ability to interact with the INDUCER OF CBF EXPRESSION1(HbICE1) transcription factor, a central component in cold signaling. HbBIN2 overexpression in Arabidopsis displays decreased tolerance to chilling stress with a lower survival rate and proline content but a higher level of electrolyte leakage (EL) and malondialdehyde (MDA) than wild type under cold stress. Meanwhile, HbBIN2 transgenic Arabidopsis treated with cold stress exhibits a significant increase in the accumulation of reactive oxygen species (ROS) and a decrease in the activity of antioxidant enzymes. Further investigation reveals that HbBIN2 inhibits the transcriptional activity of HbICE1, thereby attenuating the expression of C-REPEAT BINDING FACTOR (HbCBF1). Consistent with this, overexpression of HbBIN2 represses the expression of CBF pathway cold-regulated genes under cold stress. In conclusion, our findings indicate that HbBIN2 functions as a suppressor of cold stress resistance by modulating HbICE1 transcriptional activity and ROS homeostasis.
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Affiliation(s)
| | | | | | | | | | | | - Xi Huang
- School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), School of Tropical Agriculture and Forestry, Hainan University, Sanya 572025, China; (Y.-M.Q.); (J.G.); (W.-Z.J.); (J.-H.D.); (R.-F.S.); (J.-L.Z.)
| | - Hong-Mei Yuan
- School of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), School of Tropical Agriculture and Forestry, Hainan University, Sanya 572025, China; (Y.-M.Q.); (J.G.); (W.-Z.J.); (J.-H.D.); (R.-F.S.); (J.-L.Z.)
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15
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Wang X, Li Z, Shi Y, Liu Z, Zhang X, Gong Z, Yang S. Strigolactones promote plant freezing tolerance by releasing the WRKY41-mediated inhibition of CBF/DREB1 expression. EMBO J 2023; 42:e112999. [PMID: 37622245 PMCID: PMC10548171 DOI: 10.15252/embj.2022112999] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Revised: 08/05/2023] [Accepted: 08/08/2023] [Indexed: 08/26/2023] Open
Abstract
Cold stress is a major abiotic stress that adversely affects plant growth and crop productivity. The C-REPEAT BINDING FACTOR/DRE BINDING FACTOR 1 (CBF/DREB1) transcriptional regulatory cascade plays a key role in regulating cold acclimation and freezing tolerance in Arabidopsis (Arabidopsis thaliana). Here, we show that max (more axillary growth) mutants deficient in strigolactone biosynthesis and signaling display hypersensitivity to freezing stress. Exogenous application of GR245DS , a strigolactone analog, enhances freezing tolerance in wild-type plants and strigolactone-deficient mutants and promotes the cold-induced expression of CBF genes. Biochemical analysis showed that the transcription factor WRKY41 serves as a substrate for the F-box E3 ligase MAX2. WRKY41 directly binds to the W-box in the promoters of CBF genes and represses their expression, negatively regulating cold acclimation and freezing tolerance. MAX2 ubiquitinates WRKY41, thus marking it for cold-induced degradation and thereby alleviating the repression of CBF expression. In addition, SL-mediated degradation of SMXLs also contributes to enhanced plant freezing tolerance by promoting anthocyanin biosynthesis. Taken together, our study reveals the molecular mechanism underlying strigolactones promote the cold stress response in Arabidopsis.
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Affiliation(s)
- Xi Wang
- State Key Laboratory of Plant Environmental Resilience, College of Biological SciencesChina Agricultural UniversityBeijingChina
| | - Zhuoyang Li
- State Key Laboratory of Plant Environmental Resilience, College of Biological SciencesChina Agricultural UniversityBeijingChina
| | - Yiting Shi
- State Key Laboratory of Plant Environmental Resilience, College of Biological SciencesChina Agricultural UniversityBeijingChina
| | - Ziyan Liu
- College of Plant Science and TechnologyBeijing University of AgricultureBeijingChina
| | - Xiaoyan Zhang
- State Key Laboratory of Plant Environmental Resilience, College of Biological SciencesChina Agricultural UniversityBeijingChina
| | - Zhizhong Gong
- State Key Laboratory of Plant Environmental Resilience, College of Biological SciencesChina Agricultural UniversityBeijingChina
- College of Life Sciences, Institute of Life Science and Green DevelopmentHebei UniversityBaodingChina
| | - Shuhua Yang
- State Key Laboratory of Plant Environmental Resilience, College of Biological SciencesChina Agricultural UniversityBeijingChina
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16
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An JP, Liu ZY, Zhang XW, Wang DR, Zeng F, You CX, Han Y. Brassinosteroid signaling regulator BIM1 integrates brassinolide and jasmonic acid signaling during cold tolerance in apple. PLANT PHYSIOLOGY 2023; 193:1652-1674. [PMID: 37392474 DOI: 10.1093/plphys/kiad371] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 05/25/2023] [Accepted: 06/05/2023] [Indexed: 07/03/2023]
Abstract
Although brassinolide (BR) and jasmonic acid (JA) play essential roles in the regulation of cold stress responses, the molecular basis of their crosstalk remains elusive. Here, we show a key component of BR signaling in apple (Malus × domestica), BR INSENSITIVE1 (BRI1)-EMS-SUPPRESSOR1 (BES1)-INTERACTING MYC-LIKE PROTEIN1 (MdBIM1), increases cold tolerance by directly activating expression of C-REPEAT BINDING FACTOR1 (MdCBF1) and forming a complex with C-REPEAT BINDING FACTOR2 (MdCBF2) to enhance MdCBF2-activated transcription of cold-responsive genes. Two repressors of JA signaling, JAZMONATE ZIM-DOMAIN1 (MdJAZ1) and JAZMONATE ZIM-DOMAIN2 (MdJAZ2), interact with MdBIM1 to integrate BR and JA signaling under cold stress. MdJAZ1 and MdJAZ2 reduce MdBIM1-promoted cold stress tolerance by attenuating transcriptional activation of MdCBF1 expression by MdBIM1 and interfering with the formation of the MdBIM1-MdCBF2 complex. Furthermore, the E3 ubiquitin ligase ARABIDOPSIS TÓXICOS en LEVADURA73 (MdATL73) decreases MdBIM1-promoted cold tolerance by targeting MdBIM1 for ubiquitination and degradation. Our results not only reveal crosstalk between BR and JA signaling mediated by a JAZ-BIM1-CBF module but also provide insights into the posttranslational regulatory mechanism of BR signaling.
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Affiliation(s)
- Jian-Ping An
- CAS Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, Hubei Hongshan Laboratory, The Innovative Academy of Seed Design of Chinese Academy of Sciences, Wuhan 430074, China
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai-An 271018, Shandong, China
| | - Zhi-Ying Liu
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai-An 271018, Shandong, China
| | - Xiao-Wei Zhang
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai-An 271018, Shandong, China
| | - Da-Ru Wang
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai-An 271018, Shandong, China
| | - Fanchang Zeng
- College of Agriculture, Shandong Agricultural University, Tai-An 271018, Shandong, China
| | - Chun-Xiang You
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai-An 271018, Shandong, China
| | - Yuepeng Han
- CAS Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, Hubei Hongshan Laboratory, The Innovative Academy of Seed Design of Chinese Academy of Sciences, Wuhan 430074, China
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17
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Zhang S, Cao K, Wei Y, Jiang S, Ye J, Xu F, Chen Y, Shao X. PpBZR1, a BES/BZR transcription factor, enhances cold stress tolerance by suppressing sucrose degradation in peach fruit. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2023; 202:107972. [PMID: 37611487 DOI: 10.1016/j.plaphy.2023.107972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 08/07/2023] [Accepted: 08/15/2023] [Indexed: 08/25/2023]
Abstract
Brassinosteroids (BRs) are phytohormones that play numerous roles in a plant's response to environmental stress. While BES/BZR transcription factors are essential components in BR signaling, their role in regulating postharvest fruit responses to cold stress is largely unknown. In this study, the application of 24-epibrassinolide (EBR) to peaches alleviated chilling injury (CI) during postharvest cold storage. We further characterized a key BES/BZR gene, PpBZR1, which regulates peach cold resistance. Transient expression PpBZR1 in peaches showed that PpBZR1 inhibits PpVIN2 expression and VIN activity, resulting in an elevated level of sucrose, which protects fruit from CI. Arabidopsis thaliana expressing PpBZR1 that had a high germination and seedling survival rate at low temperatures, which may be due to higher level of sucrose and lower oxidative damage. Mechanistically, we confirmed that PpBZR1 directly binds to the PpVIN2 promoter and functions as a negative regulator for sucrose metabolism. In addition, PpCBF1/5/6 were induced by EBR treatment and AtCBFs were upregulated in PpBZR1 transgenic Arabidopsis thaliana. Combined with previous findings, we hypothesize that PpBZR1 regulates PpVIN2 and may also be mediated by CBF. In conclusion, PpBZR1 expression is induced by EBR treatment during cold storage, which futher inhibite sucrose degradation gene PpVIN2 transcription via direct binding its promoter and indirectly regulating PpVIN2, resulting in slower sucrose degradation and higher chilling tolerance of peach.
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Affiliation(s)
- Shiyun Zhang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Zhejiang-Malaysia Joint Research Laboratory for Agricultural Product Processing and Nutrition, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, 315800, China
| | - Kefeng Cao
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Zhejiang-Malaysia Joint Research Laboratory for Agricultural Product Processing and Nutrition, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, 315800, China
| | - Yingying Wei
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Zhejiang-Malaysia Joint Research Laboratory for Agricultural Product Processing and Nutrition, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, 315800, China
| | - Shu Jiang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Zhejiang-Malaysia Joint Research Laboratory for Agricultural Product Processing and Nutrition, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, 315800, China
| | - Jianfen Ye
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Zhejiang-Malaysia Joint Research Laboratory for Agricultural Product Processing and Nutrition, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, 315800, China
| | - Feng Xu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Zhejiang-Malaysia Joint Research Laboratory for Agricultural Product Processing and Nutrition, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, 315800, China
| | - Yi Chen
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Zhejiang-Malaysia Joint Research Laboratory for Agricultural Product Processing and Nutrition, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, 315800, China.
| | - Xingfeng Shao
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Zhejiang-Malaysia Joint Research Laboratory for Agricultural Product Processing and Nutrition, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, 315800, China.
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18
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Jahed KR, Saini AK, Sherif SM. Coping with the cold: unveiling cryoprotectants, molecular signaling pathways, and strategies for cold stress resilience. FRONTIERS IN PLANT SCIENCE 2023; 14:1246093. [PMID: 37649996 PMCID: PMC10465183 DOI: 10.3389/fpls.2023.1246093] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2023] [Accepted: 07/31/2023] [Indexed: 09/01/2023]
Abstract
Low temperature stress significantly threatens crop productivity and economic sustainability. Plants counter this by deploying advanced molecular mechanisms to perceive and respond to cold stress. Transmembrane proteins initiate these responses, triggering a series of events involving secondary messengers such as calcium ions (Ca2+), reactive oxygen species (ROS), and inositol phosphates. Of these, calcium signaling is paramount, activating downstream phosphorylation cascades and the transcription of cold-responsive genes, including cold-regulated (COR) genes. This review focuses on how plants manage freeze-induced damage through dual strategies: cold tolerance and cold avoidance. Tolerance mechanisms involve acclimatization to decreasing temperatures, fostering gradual accumulation of cold resistance. In contrast, avoidance mechanisms rely on cryoprotectant molecules like potassium ions (K+), proline, glycerol, and antifreeze proteins (AFPs). Cryoprotectants modulate intracellular solute concentration, lower the freezing point, inhibit ice formation, and preserve plasma membrane fluidity. Additionally, these molecules demonstrate antioxidant activity, scavenging ROS, preventing protein denaturation, and subsequently mitigating cellular damage. By forming extensive hydrogen bonds with water molecules, cryoprotectants also limit intercellular water movement, minimizing extracellular ice crystal formation, and cell dehydration. The deployment of cryoprotectants is a key adaptive strategy that bolsters plant resilience to cold stress and promotes survival in freezing environments. However, the specific physiological and molecular mechanisms underlying these protective effects remain insufficiently understood. Therefore, this review underscores the need for further research to elucidate these mechanisms and assess their potential impact on crop productivity and sustainability, contributing to the progressive discourse in plant biology and environmental science.
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Affiliation(s)
| | | | - Sherif M. Sherif
- Alson H. Smith Jr. Agricultural Research and Extension Center, School of Plant and Environmental Sciences, Virginia Tech, Winchester, VA, United States
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19
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Ahmar S, Zolkiewicz K, Gruszka D. Analyses of genes encoding the Glycogen Synthase Kinases in rice and Arabidopsis reveal mechanisms which regulate their expression during development and responses to abiotic stresses. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2023; 332:111724. [PMID: 37142096 DOI: 10.1016/j.plantsci.2023.111724] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 04/11/2023] [Accepted: 05/01/2023] [Indexed: 05/06/2023]
Abstract
Plant Glycogen Synthase Kinases (GSKs) enable a crosstalk among the brassinosteroid signaling and phytohormonal- and stress-response pathways to regulate various physiological processes. Initial information about regulation of the GSK proteins' activity was obtained, however, mechanisms that modulate expression of the GSK genes during plant development and stress responses remain largely unknown. Taking into account the importance of the GSK proteins, combined with the lack of in-depth knowledge about modulation of their expression, research in this area may provide a significant insight into mechanisms regulating these aspects of plant biology. In the current study, a detailed analysis of the GSK promoters in rice and Arabidopsis was performed, including identification of the CpG/CpNpG islands, tandem repeats, cis-acting regulatory elements, conserved motifs, and transcription factor-binding sites. Moreover, characterization of expression profiles of the GSK genes in different tissues, organs and under various abiotic stress conditions was perfomed. Additionally, protein-protein interactions between products of the GSK genes were predicted. Results of this study provided intriguing information about these aspects and insight into various regulatory mechanisms that influence non-redundant and diverse functions of the GSK genes during development and stress responses.Therefore, they may constitute a reference for future research in other plant species.
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Affiliation(s)
- Sunny Ahmar
- Institute of Biology, Biotechnology and Environmental Protection, Faculty of Natural Sciences, University of Silesia, Jagiellonska 28, 40-032 Katowice, Poland.
| | - Karolina Zolkiewicz
- Institute of Biology, Biotechnology and Environmental Protection, Faculty of Natural Sciences, University of Silesia, Jagiellonska 28, 40-032 Katowice, Poland.
| | - Damian Gruszka
- Institute of Biology, Biotechnology and Environmental Protection, Faculty of Natural Sciences, University of Silesia, Jagiellonska 28, 40-032 Katowice, Poland.
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20
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Wang X, An Z, Liao J, Ran N, Zhu Y, Ren S, Meng X, Cui N, Yu Y, Fan H. The Role and Mechanism of Hydrogen-Rich Water in the Cucumis sativus Response to Chilling Stress. Int J Mol Sci 2023; 24:ijms24076702. [PMID: 37047675 PMCID: PMC10095547 DOI: 10.3390/ijms24076702] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 02/10/2023] [Accepted: 03/27/2023] [Indexed: 04/14/2023] Open
Abstract
Cucumber is a warm climate vegetable that is sensitive to chilling reactions. Chilling can occur at any period of cucumber growth and development and seriously affects the yield and quality of cucumber. Hydrogen (H2) is a type of antioxidant that plays a critical role in plant development and the response to stress. Hydrogen-rich water (HRW) is the main way to use exogenous hydrogen. This study explored the role and mechanism of HRW in the cucumber defense response to chilling stress. The research results showed that applying 50% saturated HRW to the roots of cucumber seedlings relieved the damage caused by chilling stress. The growth and development indicators, such as plant height, stem diameter, leaf area, dry weight, fresh weight, and root length, increased under the HRW treatment. Photosynthetic efficiency, chlorophyll content, and Fv/Fm also improved and reduced energy dissipation. In addition, after HRW treatment, the REC and MDA content were decreased, and membrane lipid damage was reduced. NBT and DAB staining results showed that the color was lighter, and the area was smaller under HRW treatment. Additionally, the contents of O2- and H2O2 also decreased. Under chilling stress, the application of HRW increased the activity of the antioxidases SOD, CAT, POD, GR, and APX and improved the expression of the SOD, CAT, POD, GR, and APX antioxidase genes. The GSSG content was reduced, and the GSH content was increased. In addition, the ASA content also increased. Therefore, exogenous HRW is an effective measure for cucumber to respond to chilling stress.
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Affiliation(s)
- Xue Wang
- College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang 110866, China
| | - Zhonghui An
- College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang 110866, China
| | - Jiameng Liao
- College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang 110866, China
| | - Nana Ran
- College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang 110866, China
| | - Yimeng Zhu
- College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang 110866, China
| | - Shufeng Ren
- College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang 110866, China
| | - Xiangnan Meng
- College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang 110866, China
| | - Na Cui
- College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang 110866, China
| | - Yang Yu
- College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang 110866, China
| | - Haiyan Fan
- College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang 110866, China
- Key Laboratory of Protected Horticulture of Ministry of Education, Shenyang Agricultural University, Shenyang 110866, China
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21
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Song Y, Wang Y, Yu Q, Sun Y, Zhang J, Zhan J, Ren M. Regulatory network of GSK3-like kinases and their role in plant stress response. FRONTIERS IN PLANT SCIENCE 2023; 14:1123436. [PMID: 36938027 PMCID: PMC10014926 DOI: 10.3389/fpls.2023.1123436] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 02/17/2023] [Indexed: 06/18/2023]
Abstract
Glycogen synthase kinase 3 (GSK3) family members are evolutionally conserved Ser/Thr protein kinases in mammals and plants. In plants, the GSK3s function as signaling hubs to integrate the perception and transduction of diverse signals required for plant development. Despite their role in the regulation of plant growth and development, emerging research has shed light on their multilayer function in plant stress responses. Here we review recent advances in the regulatory network of GSK3s and the involvement of GSK3s in plant adaptation to various abiotic and biotic stresses. We also discuss the molecular mechanisms underlying how plants cope with environmental stresses through GSK3s-hormones crosstalk, a pivotal biochemical pathway in plant stress responses. We believe that our overview of the versatile physiological functions of GSK3s and underlined molecular mechanism of GSK3s in plant stress response will not only opens further research on this important topic but also provide opportunities for developing stress-resilient crops through the use of genetic engineering technology.
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Affiliation(s)
- Yun Song
- School of Life Sciences, Liaocheng University, Liaocheng, China
| | - Ying Wang
- Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu, China
- Hainan Yazhou Bay Seed Laboratory, Sanya, China
- National Nanfan Research Institute (Sanya), Chinese Academy of Agricultural Sciences, Sanya, China
| | - Qianqian Yu
- School of Life Sciences, Liaocheng University, Liaocheng, China
| | - Yueying Sun
- School of Life Sciences, Liaocheng University, Liaocheng, China
| | - Jianling Zhang
- School of Life Sciences, Liaocheng University, Liaocheng, China
| | - Jiasui Zhan
- Department of Forest Mycology and Plant Pathology, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Maozhi Ren
- Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu, China
- Hainan Yazhou Bay Seed Laboratory, Sanya, China
- National Nanfan Research Institute (Sanya), Chinese Academy of Agricultural Sciences, Sanya, China
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22
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Zhou M, Li Y, Yan Y, Gao L, He C, Wang J, Yuan Q, Miao L, Li S, Di Q, Yu X, Sun M. Proteome and phosphoproteome analysis of 2,4-epibrassinolide-mediated cold stress response in cucumber seedlings. FRONTIERS IN PLANT SCIENCE 2023; 14:1104036. [PMID: 36895878 PMCID: PMC9989176 DOI: 10.3389/fpls.2023.1104036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 02/06/2023] [Indexed: 06/18/2023]
Abstract
The 2, 4-epibrassinolide (EBR) significantly increased plants cold tolerance. However, mechanisms of EBR in regulating cold tolerance in phosphoproteome and proteome levels have not been reported. The mechanism of EBR regulating cold response in cucumber was studied by multiple omics analysis. In this study, phosphoproteome analysis showed that cucumber responded to cold stress through multi-site serine phosphorylation, while EBR further upregulated single-site phosphorylation for most of cold-responsive phosphoproteins. Association analysis of the proteome and phosphoproteome revealed that EBR reprogrammed proteins in response to cold stress by negatively regulating protein phosphorylation and protein content, and phosphorylation negatively regulated protein content in cucumber. Further functional enrichment analysis of proteome and phosphoproteome showed that cucumber mainly upregulated phosphoproteins related to spliceosome, nucleotide binding and photosynthetic pathways in response to cold stress. However, different from the EBR regulation in omics level, hypergeometric analysis showed that EBR further upregulated 16 cold-up-responsive phosphoproteins participated photosynthetic and nucleotide binding pathways in response to cold stress, suggested their important function in cold tolerance. Analysis of cold-responsive transcription factors (TFs) by correlation between proteome and phosphoproteome showed that cucumber regulated eight class TFs may through protein phosphorylation under cold stress. Further combined with cold-related transcriptome found that cucumber phosphorylated eight class TFs, and mainly through targeting major hormone signal genes by bZIP TFs in response to cold stress, while EBR further increased these bZIP TFs (CsABI5.2 and CsABI5.5) phosphorylation level. In conclusion, the EBR mediated schematic of molecule response mechanisms in cucumber under cold stress was proposed.
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Affiliation(s)
- Mengdi Zhou
- State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, China
- Beijing Key Laboratory of Growth and Developmental Regulation for Protected Vegetable Tablecrops, China Agricultural University, Beijing, China
| | - Yansu Li
- State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Yan Yan
- State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Lihong Gao
- Beijing Key Laboratory of Growth and Developmental Regulation for Protected Vegetable Tablecrops, China Agricultural University, Beijing, China
| | - Chaoxing He
- State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Jun Wang
- State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Quan Yuan
- College of Horticulture, Sichuan Agricultural University, Chengdu, China
| | - Li Miao
- College of Horticulture, Zhejiang A & F University, Hangzhou, China
| | - Shuzhen Li
- College of Life Science, Gannan Normal University, Ganzhou, China
| | - Qinghua Di
- State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Xianchang Yu
- State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Mintao Sun
- State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, China
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23
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Jeon M, Jeong G, Yang Y, Luo X, Jeong D, Kyung J, Hyun Y, He Y, Lee I. Vernalization-triggered expression of the antisense transcript COOLAIR is mediated by CBF genes. eLife 2023; 12:84594. [PMID: 36722843 PMCID: PMC10036118 DOI: 10.7554/elife.84594] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 01/31/2023] [Indexed: 02/02/2023] Open
Abstract
To synchronize flowering time with spring, many plants undergo vernalization, a floral-promotion process triggered by exposure to long-term winter cold. In Arabidopsis thaliana, this is achieved through cold-mediated epigenetic silencing of the floral repressor, FLOWERING LOCUS C (FLC). COOLAIR, a cold-induced antisense RNA transcribed from the FLC locus, has been proposed to facilitate FLC silencing. Here, we show that C-repeat (CRT)/dehydration-responsive elements (DREs) at the 3'-end of FLC and CRT/DRE-binding factors (CBFs) are required for cold-mediated expression of COOLAIR. CBFs bind to CRT/DREs at the 3'-end of FLC, both in vitro and in vivo, and CBF levels increase gradually during vernalization. Cold-induced COOLAIR expression is severely impaired in cbfs mutants in which all CBF genes are knocked-out. Conversely, CBF-overexpressing plants show increased COOLAIR levels even at warm temperatures. We show that COOLAIR is induced by CBFs during early stages of vernalization but COOLAIR levels decrease in later phases as FLC chromatin transitions to an inactive state to which CBFs can no longer bind. We also demonstrate that cbfs and FLCΔCOOLAIR mutants exhibit a normal vernalization response despite their inability to activate COOLAIR expression during cold, revealing that COOLAIR is not required for the vernalization process.
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Affiliation(s)
- Myeongjune Jeon
- School of Biological Sciences, Seoul National University, Seoul, Republic of Korea
- Research Center for Plant Plasticity, Seoul National University, Seoul, Republic of Korea
| | - Goowon Jeong
- School of Biological Sciences, Seoul National University, Seoul, Republic of Korea
- Research Center for Plant Plasticity, Seoul National University, Seoul, Republic of Korea
| | - Yupeng Yang
- Shanghai Center for Plant Stress Biology & National Key Laboratory for Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Xiao Luo
- Peking University Institute of Advanced Agricultural Sciences, Weifang, China
| | - Daesong Jeong
- School of Biological Sciences, Seoul National University, Seoul, Republic of Korea
- Research Center for Plant Plasticity, Seoul National University, Seoul, Republic of Korea
| | - Jinseul Kyung
- School of Biological Sciences, Seoul National University, Seoul, Republic of Korea
- Research Center for Plant Plasticity, Seoul National University, Seoul, Republic of Korea
| | - Youbong Hyun
- School of Biological Sciences, Seoul National University, Seoul, Republic of Korea
- Research Center for Plant Plasticity, Seoul National University, Seoul, Republic of Korea
| | - Yuehui He
- Shanghai Center for Plant Stress Biology & National Key Laboratory for Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, China
- Peking University Institute of Advanced Agricultural Sciences, Weifang, China
| | - Ilha Lee
- School of Biological Sciences, Seoul National University, Seoul, Republic of Korea
- Research Center for Plant Plasticity, Seoul National University, Seoul, Republic of Korea
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24
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Ding M, Wang L, Sun Y, Zhang J, Chen Y, Wang X, Liu L. Transcriptome analysis of brassinolide under low temperature stress in winter wheat. AOB PLANTS 2023; 15:plad005. [PMID: 37025104 PMCID: PMC10071052 DOI: 10.1093/aobpla/plad005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 02/01/2023] [Indexed: 06/19/2023]
Abstract
Low temperatures are the main abiotic factor affecting wheat growth. Brassinolide is a novel plant hormone that can improve the cold resistance of plants; however, the molecular mechanism of brassinolide in winter wheat at low temperatures remains unclear. In this study, winter wheat Dongnong dongmai 1 was sprayed with 0.01, 0.1, or 1.0 mg·L-1 brassinolide (BR) at the three-leaf stage, and tillering nodes were sampled at different temperatures (5, -10 and -25 °C), and then physiological indexes were determined and the transcriptome was sequenced. The results showed that the optimum concentration of brassinolide for cold resistance is 0.1 mg·L-1. A total of 15 302 (8198 upregulated and 7104 downregulated) differentially expressed genes (DEGs) were identified in the B1 vs D1 comparison (B1 represents 5 °C 0.1 mg·L-1 BR treatment, D1 represents 5 °C control); 3386 (1930 upregulated and 1456 downregulated) differentially expressed genes (DEGs) were identified in the B2 vs D2 comparison (B2 represents -10 °C 0.1 mg·L-1 BR treatment, D2 represents -10 °C control); and 2684 (2102 upregulated and 582 downregulated) differentially expressed genes (DEGs) were identified in the B3 vs D3 comparison (B3 represents -25 °C 0.1 mg·L-1 BR treatment, D3 represents -25 °C control). Further studies showed that these DEGs were mainly involved in carbon fixation in photosynthetic organs, photosynthesis and plant-pathogen interactions, all of which were related to stress and energy metabolism. This indicates that brassinolide can produce substances that improve cold resistance in wheat seedlings. This study provides a theoretical basis for further research on the improvement of cold resistance in winter wheat by brassinolide.
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Affiliation(s)
- Meiyun Ding
- College of Life Science and Agriculture Forestry, Qiqihar University, 42 Wenhua street, Qiqihar 161006, Heilongjiang, China
| | - Luyao Wang
- College of Life Science and Agriculture Forestry, Qiqihar University, 42 Wenhua street, Qiqihar 161006, Heilongjiang, China
| | - Yuting Sun
- College of Life Science and Agriculture Forestry, Qiqihar University, 42 Wenhua street, Qiqihar 161006, Heilongjiang, China
| | - Junbao Zhang
- College of Life Science and Agriculture Forestry, Qiqihar University, 42 Wenhua street, Qiqihar 161006, Heilongjiang, China
| | - Yushu Chen
- College of Life Science and Agriculture Forestry, Qiqihar University, 42 Wenhua street, Qiqihar 161006, Heilongjiang, China
| | - Xuesong Wang
- College of Life Science and Agriculture Forestry, Qiqihar University, 42 Wenhua street, Qiqihar 161006, Heilongjiang, China
| | - Lijie Liu
- Corresponding author’s e-mail address:
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25
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An S, Liu Y, Sang K, Wang T, Yu J, Zhou Y, Xia X. Brassinosteroid signaling positively regulates abscisic acid biosynthesis in response to chilling stress in tomato. JOURNAL OF INTEGRATIVE PLANT BIOLOGY 2023; 65:10-24. [PMID: 36053143 DOI: 10.1111/jipb.13356] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Accepted: 09/01/2022] [Indexed: 06/15/2023]
Abstract
Brassinosteroids (BRs) and abscisic acid (ABA) are essential regulators of plant growth and stress tolerance. Although the antagonistic interaction of BRs and ABA is proposed to ensure the balance between growth and defense in model plants, the crosstalk between BRs and ABA in response to chilling in tomato (Solanum lycopersicum), a warm-climate horticultural crop, is unclear. Here, we determined that overexpression of the BR biosynthesis gene DWARF (DWF) or the key BR signaling gene BRASSINAZOLE-RESISTANT1 (BZR1) increases ABA levels in response to chilling stress via positively regulating the expression of the ABA biosynthesis gene 9-CIS-EPOXYCAROTENOID DIOXYGENASE1 (NCED1). BR-induced chilling tolerance was mostly dependent on ABA biosynthesis. Chilling stress or high BR levels decreased the abundance of BRASSINOSTEROID-INSENSITIVE2 (BIN2), a negative regulator of BR signaling. Moreover, we observed that chilling stress increases BR levels and results in the accumulation of BZR1. BIN2 negatively regulated both the accumulation of BZR1 protein and chilling tolerance by suppressing ABA biosynthesis. Our results demonstrate that BR signaling positively regulates chilling tolerance via ABA biosynthesis in tomato. The study has implications in production of warm-climate crops in horticulture.
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Affiliation(s)
- Shengmin An
- Department of Horticulture, Zhejiang University, Hangzhou, 310058, China
| | - Yue Liu
- Department of Horticulture, Zhejiang University, Hangzhou, 310058, China
| | - Kangqi Sang
- Department of Horticulture, Zhejiang University, Hangzhou, 310058, China
| | - Ting Wang
- Department of Horticulture, Zhejiang University, Hangzhou, 310058, China
| | - Jingquan Yu
- Department of Horticulture, Zhejiang University, Hangzhou, 310058, China
- Hainan Institute, Zhejiang University, Sanya, 572025, China
- Key Laboratory of Horticultural Plants Growth, Development and Quality Improvement, Agricultural Ministry of China, Hangzhou, 310058, China
| | - Yanhong Zhou
- Department of Horticulture, Zhejiang University, Hangzhou, 310058, China
- Hainan Institute, Zhejiang University, Sanya, 572025, China
| | - Xiaojian Xia
- Department of Horticulture, Zhejiang University, Hangzhou, 310058, China
- Hainan Institute, Zhejiang University, Sanya, 572025, China
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26
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Abiotic Stress Tolerance in Plants: Brassinosteroids Navigate Competently. Int J Mol Sci 2022; 23:ijms232314577. [PMID: 36498906 PMCID: PMC9737064 DOI: 10.3390/ijms232314577] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Revised: 11/02/2022] [Accepted: 11/04/2022] [Indexed: 11/24/2022] Open
Abstract
Brassinosteroid hormones (BRs) multitask to smoothly regulate a broad spectrum of vital physiological processes in plants, such as cell division, cell expansion, differentiation, seed germination, xylem differentiation, reproductive development and light responses (photomorphogenesis and skotomorphogenesis). Their importance is inferred when visible abnormalities arise in plant phenotypes due to suboptimal or supraoptimal hormone levels. This group of steroidal hormones are major growth regulators, having pleiotropic effects and conferring abiotic stress resistance to plants. Numerous abiotic stresses are the cause of significant loss in agricultural yield globally. However, plants are well equipped with efficient stress combat machinery. Scavenging reactive oxygen species (ROS) is a unique mechanism to combat the deleterious effects of abiotic stresses. In light of numerous reports in the past two decades, the complex BR signaling under different stress conditions (drought, salinity, extreme temperatures and heavy metals/metalloids) that drastically hinders the normal metabolism of plants is gradually being untangled and revealed. Thus, crop improvement has substantial potential by tailoring either the brassinosteroid signaling, biosynthesis pathway or perception. This review aims to explore and dissect the actual mission of BRs in signaling cascades and summarize their positive role with respect to abiotic stress tolerance.
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27
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Guo L, Wang S, Nie Y, Shen Y, Ye X, Wu W. Convergent evolution of AP2/ERF III and IX subfamilies through recurrent polyploidization and tandem duplication during eudicot adaptation to paleoenvironmental changes. PLANT COMMUNICATIONS 2022; 3:100420. [PMID: 35949168 PMCID: PMC9700204 DOI: 10.1016/j.xplc.2022.100420] [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: 04/22/2022] [Revised: 07/14/2022] [Accepted: 08/05/2022] [Indexed: 05/10/2023]
Abstract
Whole-genome duplication (WGD or polyploidization) has been suggested as a genetic contributor to angiosperm adaptation to environmental changes. However, many eudicot lineages did not undergo recent WGD (R-WGD) around and/or after the Cretaceous-Paleogene (K-Pg) boundary, times of severe environmental changes; how those plants survived has been largely ignored. Here, we collected 22 plants from major branches of the eudicot phylogeny and classified them into two groups according to the occurrence or absence of R-WGD: 12 R-WGD-containing plants (R-WGD-Y) and 10 R-WGD-lacking plants (R-WGD-N). Subsequently, we identified 496 gene-rich families in R-WGD-Y and revealed that members of the AP2/ERF transcription factor family were convergently over-retained after R-WGDs and showed exceptional cold stimulation. The evolutionary trajectories of the AP2/ERF family were then compared between R-WGD-Y and R-WGD-N to reveal convergent expansions of the AP2/ERF III and IX subfamilies through recurrent independent WGDs and tandem duplications (TDs) after the radiation of the plants. The expansions showed coincident enrichments in- times around and/or after the K-Pg boundary, when global cooling was a major environmental stressor. Consequently, convergent expansions and co-retentions of AP2/ERF III C-repeat binding factor (CBF) duplicates and their regulons in different eudicot lineages contributed to the rewiring of cold-specific regulatory networks. Moreover, promoter analysis of cold-responsive AP2/ERF genes revealed an underlying cis-regulatory code (G-box: CACGTG). We propose a seesaw model of WGDs and TDs in the convergent expansion of AP2/ERF III and IX genes that has contributed to eudicot adaptation during paleoenvironmental changes, and we suggest that TD may be a reciprocal/alternative mechanism for genetic innovation in plants that lack WGD.
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Affiliation(s)
- Liangyu Guo
- State Key Laboratory of Subtropical Silviculture, School of Forestry and Biotechnology, Zhejiang A&F University, Lin'an, Hangzhou 311300, China
| | - Shuo Wang
- State Key Laboratory of Subtropical Silviculture, School of Forestry and Biotechnology, Zhejiang A&F University, Lin'an, Hangzhou 311300, China
| | - Yuqi Nie
- State Key Laboratory of Subtropical Silviculture, School of Forestry and Biotechnology, Zhejiang A&F University, Lin'an, Hangzhou 311300, China
| | - Yirong Shen
- State Key Laboratory of Subtropical Silviculture, School of Forestry and Biotechnology, Zhejiang A&F University, Lin'an, Hangzhou 311300, China
| | - Xiaoxue Ye
- Institute of Tropical Biosciences and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China
| | - Wenwu Wu
- State Key Laboratory of Subtropical Silviculture, School of Forestry and Biotechnology, Zhejiang A&F University, Lin'an, Hangzhou 311300, China.
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Kumar Patel M, Fanyuk M, Feyngenberg O, Maurer D, Sela N, Ovadia R, Oren Sahmir M, Alkan N. Phenylalanine induces mango fruit resistance against chilling injuries during storage at suboptimal temperature. Food Chem 2022; 405:134909. [DOI: 10.1016/j.foodchem.2022.134909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 10/06/2022] [Accepted: 11/08/2022] [Indexed: 11/21/2022]
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Zheng T, Lv J, Sadeghnezhad E, Cheng J, Jia H. Transcriptomic and metabolomic profiling of strawberry during postharvest cooling and heat storage. FRONTIERS IN PLANT SCIENCE 2022; 13:1009747. [PMID: 36311118 PMCID: PMC9597325 DOI: 10.3389/fpls.2022.1009747] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Accepted: 09/20/2022] [Indexed: 06/16/2023]
Abstract
Temperature is one of the most important factors regarding fruit postharvest, however its effects in the strawberry fruits quality in postharvest remains to be evaluated. In this study, the effects of cold and heat storage temperature on fruit quality of 'Benihoppe' strawberry were performed. The results showed that different temperatures could affect the metabolism of hormone, anthocyanin, reactive oxygen species (ROS), and transcription level of responsive factors. The synthesis of terpenoids, amino acids, and phenylpropanoids in strawberries were also changed under different temperatures, which finally changed the quality characteristics of the fruit. We found HSF20 (YZ1)-overexpressed fruits were sensitive to cold and heat conditions but CBF/NF-Y (YZ9)-overexpressed fruits promoted coloring under cold treatment. This study clarified the effect of postharvest cooling and heat treatments on quality and transcriptional mechanism of strawberries fruits. Moreover, these results provided an experimental basis for further research on improving the quality of strawberry berries during postharvest periods.
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Affiliation(s)
- Ting Zheng
- Institute of Horticulture, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
- College of Horticulture, Nanjing Agricultural University, Nanjing, China
| | - Jinhua Lv
- College of Horticulture, Nanjing Agricultural University, Nanjing, China
| | - Ehsan Sadeghnezhad
- College of Horticulture, Nanjing Agricultural University, Nanjing, China
| | - Jianhui Cheng
- Institute of Horticulture, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Haifeng Jia
- College of Horticulture, Nanjing Agricultural University, Nanjing, China
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30
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Liu G, Liu F, Wang Y, Liu X. A novel long noncoding RNA CIL1 enhances cold stress tolerance in Arabidopsis. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2022; 323:111370. [PMID: 35788028 DOI: 10.1016/j.plantsci.2022.111370] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 06/28/2022] [Accepted: 06/30/2022] [Indexed: 06/15/2023]
Abstract
With the intensification of global warming, extreme weather events have occurred more frequently, among which cold stress has become one of the major environmental factors that restrict global crop yield and production. Multiple long noncoding RNAs (lncRNAs) have been predicted or recognized in the plant response to cold stress, however, the molecular biological functions of most of these RNAs are still poorly understood. Here, we identified a novel lncRNA, COLD INDUCED lncRNA 1 (CIL1), as a positive regulator of the plant response to cold stress in Arabidopsis. CIL1 was significantly induced when the plant was exposed to cold stress. Moreover, knockdown mutants showed more sensitivity to cold stress than the wild type did, accompanied by an increased content of endogenous ROS (reactive oxygen species) and reduced osmoregulatory substances. Genome-wide transcriptome analysis indicated that 256 genes were downregulated and 34 genes were upregulated in cil1 mutants under cold stress, which were mainly involved in hormone signal transduction, ROS homeostasis and glucose metabolism. Our study implies that CIL1 has a positive effect on the plant response to cold stress by regulating the expression of multiple stress-related genes during the seedling stage.
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Affiliation(s)
- Guangchao Liu
- Key Lab of Plant Biotechnology in University of Shandong Province, College of Life Science, Qingdao Agricultural University, Qingdao, China
| | - Fuxia Liu
- Key Lab of Plant Biotechnology in University of Shandong Province, College of Life Science, Qingdao Agricultural University, Qingdao, China
| | - Yue Wang
- Key Lab of Plant Biotechnology in University of Shandong Province, College of Life Science, Qingdao Agricultural University, Qingdao, China
| | - Xin Liu
- Key Lab of Plant Biotechnology in University of Shandong Province, College of Life Science, Qingdao Agricultural University, Qingdao, China.
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31
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Singh M, Singh A, Yadav N, Yadav DK. Current perspectives of ubiquitination and SUMOylation in abiotic stress tolerance in plants. FRONTIERS IN PLANT SCIENCE 2022; 13:993194. [PMID: 36212351 PMCID: PMC9533872 DOI: 10.3389/fpls.2022.993194] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 08/16/2022] [Indexed: 06/16/2023]
Abstract
Post-translational modification (PTM) is a critical and rapid mechanism to regulate all the major cellular processes through the modification of diverse protein substrates. Substrate-specific covalent attachment of ubiquitin and Small Ubiquitin-Like Modifier (SUMO) with the target proteins, known as ubiquitination and SUMOylation, respectively, are crucial PTMs that regulate almost every process in the cell by modulating the stability and fidelity of the proteins. Ubiquitination and SUMOylation play a very significant role to provide tolerance to the plants in adverse environmental conditions by activating/deactivating the pre-existing proteins to a great extent. We reviewed the importance of ubiquitination and SUMOylation in plants, implicating its prospects in various abiotic stress regulations. An exhaustive study of molecular mechanisms of ubiquitination and SUMOylation of plant proteins and their role will contribute to the understanding of physiology underlying mitigation of the abiotic stresses and survival in plants. It will be helpful to strategize the improvement of crops for abiotic stress tolerance.
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Affiliation(s)
- Madhavi Singh
- Plant Molecular Biology and Genetic Engineering Laboratory, Department of Botany, University of Allahabad, Prayagraj, India
| | - Ananya Singh
- Plant Molecular Biology and Genetic Engineering Laboratory, Department of Botany, University of Allahabad, Prayagraj, India
| | - Neelam Yadav
- Department of Botany, University of Allahabad, Prayagraj, India
| | - Dinesh Kumar Yadav
- Plant Molecular Biology and Genetic Engineering Laboratory, Department of Botany, University of Allahabad, Prayagraj, India
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32
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Guo Z, Yao J, Cheng Y, Zhang W, Xu Z, Li M, Huang J, Ma D, Zhao M. Identification of QTL under Brassinosteroid-Combined Cold Treatment at Seedling Stage in Rice Using Genotyping-by-Sequencing (GBS). PLANTS (BASEL, SWITZERLAND) 2022; 11:2324. [PMID: 36079705 PMCID: PMC9460439 DOI: 10.3390/plants11172324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 08/21/2022] [Accepted: 09/01/2022] [Indexed: 06/15/2023]
Abstract
Cold stress is a major threat to the sustainability of rice yield. Brassinosteroids (BR) application can enhance cold tolerance in rice. However, the regulatory mechanism related to cold tolerance and the BR signaling pathway in rice has not been clarified. In the current study, the seedling shoot length (SSL), seedling root length (SRL), seedling dry weight (SDW), and seedling wet weight (SWW) were used as the indices for identifying cold tolerance under cold stress and BR-combined cold treatment in a backcross recombinant inbred lines (BRIL) population. According to the phenotypic characterization for cold tolerance and a high-resolution SNP genetic map obtained from the GBS technique, a total of 114 QTLs were identified, of which 27 QTLs were detected under cold stress and 87 QTLs under BR-combined cold treatment. Among them, the intervals of many QTLs were coincident under different treatments, as well as different traits. A total of 13 candidate genes associated with cold tolerance or BR pathway, such as BRASSINAZOLE RESISTANT1 (OsBZR1), OsWRKY77, AP2 domain-containing protein, zinc finger proteins, basic helix-loop-helix (bHLH) protein, and auxin-induced protein, were predicted. Among these, the expression levels of 10 candidate genes were identified under different treatments in the parents and representative BRIL individuals. These results were helpful in understanding the regulation relationship between cold tolerance and BR pathway in rice.
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Affiliation(s)
- Zhifu Guo
- Key Laboratory of Agricultural Biotechnology of Liaoning Province, College of Biosciences and Biotechnology, Shenyang Agricultural University, Shenyang 110866, China
| | - Jialu Yao
- Key Laboratory of Agricultural Biotechnology of Liaoning Province, College of Biosciences and Biotechnology, Shenyang Agricultural University, Shenyang 110866, China
| | - Yishan Cheng
- Key Laboratory of Agricultural Biotechnology of Liaoning Province, College of Biosciences and Biotechnology, Shenyang Agricultural University, Shenyang 110866, China
| | - Wenzhong Zhang
- Rice Research Institute, College of Agronomy, Shenyang Agricultural University, Shenyang 110866, China
| | - Zhengjin Xu
- Rice Research Institute, College of Agronomy, Shenyang Agricultural University, Shenyang 110866, China
| | - Maomao Li
- Rice Research Institute, Jiangxi Academy of Agricultural Sciences, Nanchang 330200, China
| | - Jing Huang
- Department of Agronomy, College of Agriculture, Purdue University, West Lafayette, IN 47907, USA
| | - Dianrong Ma
- Rice Research Institute, College of Agronomy, Shenyang Agricultural University, Shenyang 110866, China
| | - Minghui Zhao
- Rice Research Institute, College of Agronomy, Shenyang Agricultural University, Shenyang 110866, China
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33
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Li X, Liang X, Li W, Yao A, Liu W, Wang Y, Yang G, Han D. Isolation and Functional Analysis of MbCBF2, a Malus baccata (L.) Borkh CBF Transcription Factor Gene, with Functions in Tolerance to Cold and Salt Stress in Transgenic Arabidopsis thaliana. Int J Mol Sci 2022; 23:ijms23179827. [PMID: 36077223 PMCID: PMC9456559 DOI: 10.3390/ijms23179827] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 08/25/2022] [Accepted: 08/26/2022] [Indexed: 11/16/2022] Open
Abstract
CBF transcription factors (TFs) are key regulators of plant stress tolerance and play an integral role in plant tolerance to adverse growth environments. However, in the current research situation, there are few reports on the response of the CBF gene to Begonia stress. Therefore, this experiment investigated a novel CBF TF gene, named MbCBF2, which was isolated from M. baccata seedlings. According to the subcellular localization results, the MbCBF2 protein was located in the nucleus. In addition, the expression level of MbCBF2 was higher in new leaves and roots under low-temperature and high-salt induction. After the introduction of MbCBF2 into Arabidopsis thaliana, the adaptability of transgenic A. thaliana to cold and high-salt environments was significantly enhanced. In addition, the high expression of MbCBF2 can also change many physiological indicators in transgenic A. thaliana, such as increased chlorophyll and proline content, superoxide dismutase (SOD), peroxidase (POD) and catalase (CAT) activity, and reduced malondialdehyde (MDA) content. Therefore, it can be seen from the above results that MbCBF2 can positively regulate the response of A. thaliana to low-temperature and osmotic stress. In addition, MbCBF2 can also regulate the expression of its downstream genes in transgenic lines. It can not only positively regulate the expression of the downstream key genes AtCOR15a, AtERD10, AtRD29a/b and AtCOR6.6/47, related to cold stress at low temperatures, but can also positively regulate the expression of the downstream key genes AtNCED3, AtCAT1, AtP5CS, AtPIF1/4 and AtSnRK2.4, related to salt stress. That is, the overexpression of the MbCBF2 gene further improved the adaptability and tolerance of transgenic plants to low-temperature and high-salt environments.
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Affiliation(s)
- Xingguo Li
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (Northeast Region), Ministry of Agriculture and Rural Affairs/National-Local Joint Engineering Research Center for Development and Utilization of Small Fruits in Cold Regions/College of Horticulture & Landscape Architecture, Northeast Agricultural University, Harbin 150030, China
| | - Xiaoqi Liang
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (Northeast Region), Ministry of Agriculture and Rural Affairs/National-Local Joint Engineering Research Center for Development and Utilization of Small Fruits in Cold Regions/College of Horticulture & Landscape Architecture, Northeast Agricultural University, Harbin 150030, China
| | - Wenhui Li
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (Northeast Region), Ministry of Agriculture and Rural Affairs/National-Local Joint Engineering Research Center for Development and Utilization of Small Fruits in Cold Regions/College of Horticulture & Landscape Architecture, Northeast Agricultural University, Harbin 150030, China
| | - Anqi Yao
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (Northeast Region), Ministry of Agriculture and Rural Affairs/National-Local Joint Engineering Research Center for Development and Utilization of Small Fruits in Cold Regions/College of Horticulture & Landscape Architecture, Northeast Agricultural University, Harbin 150030, China
| | - Wanda Liu
- Horticulture Branch of Heilongjiang Academy of Agricultural Sciences, Harbin 150040, China
| | - Yu Wang
- Horticulture Branch of Heilongjiang Academy of Agricultural Sciences, Harbin 150040, China
| | - Guohui Yang
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (Northeast Region), Ministry of Agriculture and Rural Affairs/National-Local Joint Engineering Research Center for Development and Utilization of Small Fruits in Cold Regions/College of Horticulture & Landscape Architecture, Northeast Agricultural University, Harbin 150030, China
- Correspondence: (G.Y.); (D.H.)
| | - Deguo Han
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (Northeast Region), Ministry of Agriculture and Rural Affairs/National-Local Joint Engineering Research Center for Development and Utilization of Small Fruits in Cold Regions/College of Horticulture & Landscape Architecture, Northeast Agricultural University, Harbin 150030, China
- Correspondence: (G.Y.); (D.H.)
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34
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Wang DR, Zhang XW, Xu RR, Wang GL, You CX, An JP. Apple U-box-type E3 ubiquitin ligase MdPUB23 reduces cold-stress tolerance by degrading the cold-stress regulatory protein MdICE1. HORTICULTURE RESEARCH 2022; 9:uhac171. [PMID: 36247364 PMCID: PMC9557189 DOI: 10.1093/hr/uhac171] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 07/27/2022] [Indexed: 06/16/2023]
Abstract
Cold stress limits plant growth, geographical distribution, and crop yield. The MYC-type bHLH transcription factor ICE1 is recognized as the core positive regulator of the cold-stress response. However, how ICE1 protein levels are regulated remains to be further studied. In this study, we observed that a U-box-type E3 ubiquitin ligase, MdPUB23, positively regulated the cold-stress response in apple. The expression of MdPUB23 increased at both the transcriptional and post-translational levels in response to cold stress. Overexpression of MdPUB23 in transgenic apple enhanced sensitivity to cold stress. Further study showed that MdPUB23 directly interacted with MdICE1, promoting the ubiquitination-mediated degradation of the MdICE1 protein through the 26S-proteasome pathway and reducing the MdICE1-improved cold-stress tolerance in apple. Our results reveal that MdPUB23 regulates the cold-stress response by directly mediating the stability of the positive regulator MdICE1. The PUB23-ICE1 ubiquitination module may play a role in maintaining ICE1 protein homeostasis and preventing overreactions from causing damage to plants. The discovery of the ubiquitination regulatory pathway of ICE1 provides insights for the further exploration of plant cold-stress-response mechanisms.
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Affiliation(s)
| | | | - Rui-Rui Xu
- Key Laboratory of Biochemistry and Molecular Biology in Universities of Shandong, College of Biology and Oceanography, Weifang University, Weifang 261061, Shandong, China
| | - Gui-Luan Wang
- State Key Laboratory of Crop Biology, College of Horticulture Science and Engineering, Shandong Agricultural University, Tai-An, 271018, Shandong, China
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35
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Guo Z, Wang H, Yao J, Cheng Y, Zhang W, Xu Z, Li M, Huang J, Zhao M. Quantitative Trait Loci Mapping Analysis for Cold Tolerance Under Cold Stress and Brassinosteroid-Combined Cold Treatment at Germination and Bud Burst Stages in Rice. FRONTIERS IN PLANT SCIENCE 2022; 13:938339. [PMID: 35923884 PMCID: PMC9340073 DOI: 10.3389/fpls.2022.938339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Accepted: 06/07/2022] [Indexed: 06/15/2023]
Abstract
Low temperature is one of the major abiotic stresses limiting seed germination and early seedling growth in rice. Brassinosteroid (BR) application can improve cold tolerance in rice. However, the regulatory relationship between cold tolerance and BR in rice remains undefined. Here, we constructed a population of 140 backcross recombinant inbred lines (BRILs) derived from a cross between a wild rice (Dongxiang wild rice, DXWR) and a super rice (SN265). The low-temperature germination rate (LTG), survival rate (SR), plant height (PH), and first leaf length (FLL) were used as indices for assessing cold tolerance under cold stress and BR-combined cold treatment at seed germination and bud burst stages. A high-resolution SNP genetic map, covering 1,145 bin markers with a distance of 3188.33 cM onto 12 chromosomes, was constructed using the GBS technique. A total of 73 QTLs were detected, of which 49 QTLs were identified under cold stress and 24 QTLs under BR-combined cold treatment. Among these, intervals of 30 QTLs were pairwise coincident under cold stress and BR-combined cold treatment, as well as different traits including SR and FLL, and PH and FLL, respectively. A total of 14 candidate genes related to cold tolerance or the BR signaling pathway, such as CBF/DREB (LOC_Os08g43200), bHLH (LOC_Os07g08440 and LOC_Os07g08440), WRKY (LOC_Os06g30860), MYB (LOC_Os01g62410 and LOC_Os05g51160), and BRI1-associated receptor kinase 1 precursor (LOC_Os06g16300), were located. Among these, the transcript levels of 10 candidate genes were identified under cold stress and BR-combined cold treatment by qRT-PCR. These findings provided an important basis for further mining the genes related to cold tolerance or the BR signaling pathway and understanding the molecular mechanisms of cold tolerance in rice.
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Affiliation(s)
- Zhifu Guo
- Key Laboratory of Agricultural Biotechnology of Liaoning Province, College of Biosciences and Biotechnology, Shenyang Agricultural University, Shenyang, China
| | - Haotian Wang
- Key Laboratory of Agricultural Biotechnology of Liaoning Province, College of Biosciences and Biotechnology, Shenyang Agricultural University, Shenyang, China
| | - Jialu Yao
- Key Laboratory of Agricultural Biotechnology of Liaoning Province, College of Biosciences and Biotechnology, Shenyang Agricultural University, Shenyang, China
| | - Yishan Cheng
- Key Laboratory of Agricultural Biotechnology of Liaoning Province, College of Biosciences and Biotechnology, Shenyang Agricultural University, Shenyang, China
| | - Wenzhong Zhang
- Rice Research Institute, College of Agronomy, Shenyang Agricultural University, Shenyang, China
| | - Zhengjin Xu
- Rice Research Institute, College of Agronomy, Shenyang Agricultural University, Shenyang, China
| | - Maomao Li
- Rice Research Institute, Jiangxi Academy of Agricultural Sciences, Nanchang, China
| | - Jing Huang
- Department of Agronomy, College of Agriculture, Purdue University, West Lafayette, IN, United States
| | - Minghui Zhao
- Rice Research Institute, College of Agronomy, Shenyang Agricultural University, Shenyang, China
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36
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Shuai H, Chen T, Wlk T, Rozhon W, Pimenta Lange MJ, Sieberer T, Lange T, Poppenberger B. SlCESTA Is a Brassinosteroid-Regulated bHLH Transcription Factor of Tomato That Promotes Chilling Tolerance and Fruit Growth When Over-Expressed. FRONTIERS IN PLANT SCIENCE 2022; 13:930805. [PMID: 35909777 PMCID: PMC9337221 DOI: 10.3389/fpls.2022.930805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Accepted: 06/08/2022] [Indexed: 06/15/2023]
Abstract
Brassinosteroids (BRs) are required for various aspects of plant growth and development, but also participate in stress responses. The hormones convey their activity through transcriptional regulation and posttranslational modification of transcription factors and one class are basic helix-loop-helix (bHLH) proteins of the BR Enhanced Expression (BEE) subfamily, which in Arabidopsis thaliana include BEE1-3 and CESTA (CES). CES and the BEEs promote the expression of different BR-responsive genes, including genes encoding gibberellin (GA) biosynthetic and catabolizing enzymes, as well as cold-responsive genes. Interestingly, in terms of an application, CES could promote both fruit growth and cold stress tolerance when over-expressed in A. thaliana and here it was investigated, if this function is conserved in the fruit crop Solanum lycopersicum (cultivated tomato). Based on amino acid sequence similarity and the presence of regulatory motifs, a CES orthologue of S. lycopersicum, SlCES, was identified and the effects of its over-expression were analysed in tomato. This showed that SlCES, like AtCES, was re-localized to nuclear bodies in response to BR signaling activation and that it effected GA homeostasis, with related phenotypes, when over-expressed. In addition, over-expression lines showed an increased chilling tolerance and had altered fruit characteristics. The possibilities and potential limitations of a gain of SlCES function as a breeding strategy for tomato are discussed.
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Affiliation(s)
- Haiwei Shuai
- Biotechnology of Horticultural Crops, TUM School of Life Sciences, Technical University of Munich, Freising, Germany
| | - Tingting Chen
- Biotechnology of Horticultural Crops, TUM School of Life Sciences, Technical University of Munich, Freising, Germany
| | - Tanja Wlk
- Biotechnology of Horticultural Crops, TUM School of Life Sciences, Technical University of Munich, Freising, Germany
| | - Wilfried Rozhon
- Biotechnology of Horticultural Crops, TUM School of Life Sciences, Technical University of Munich, Freising, Germany
| | | | - Tobias Sieberer
- Plant Growth Regulation, TUM School of Life Sciences, Technical University of Munich, Freising, Germany
| | - Theo Lange
- Institute of Plant Biology, Technical University of Braunschweig, Braunschweig, Germany
| | - Brigitte Poppenberger
- Biotechnology of Horticultural Crops, TUM School of Life Sciences, Technical University of Munich, Freising, Germany
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37
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Wang D, Yang Z, Wu M, Wang W, Wang Y, Nie S. Enhanced brassinosteroid signaling via the overexpression of SlBRI1 positively regulates the chilling stress tolerance of tomato. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2022; 320:111281. [PMID: 35643607 DOI: 10.1016/j.plantsci.2022.111281] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 03/21/2022] [Accepted: 03/31/2022] [Indexed: 06/15/2023]
Abstract
Brassinosteroids (BRs) regulate plant development and response to stress. BRASSINOSTEROID INSENSITIVE 1 (BRI1) is a BR receptor that activates BR signaling. Although the function of the tomato BR receptor SlBRI1 in regulating growth and drought resistance has been examined, that of SlBRI1 in cold tolerance is unclear. This study indicated that the expression of SlBRI1 in tomato was rapidly induced and reached its highest level at 3 h under chilling treatment and then decreased. The overexpression of SlBRI1 displayed low relative electrolyte leakage, malondialdehyde content, and reactive oxygen species (ROS) accumulation under chilling stress. The proline content and activities of superoxide dismutase (SOD), peroxidase (POD), and catalase (CAT) in SlBRI1OE plants were higher than those in the wild-type (WT) plants after chilling stress. The transcript abundances of five cold-responsive genes were higher in SlBRI1OE plants than in WT plants during chilling stress. RNA sequence analysis showed that the expression of the majority of genes encoding photosystem I and II were downregulated. The degree of suppression in SlBRI1OE plants was weaker than that in WT plants. Additionally, the Pn and Fv/Fm of SlBRI1OE plants were significantly higher than those of WT plants under chilling stress. We identified several genes encoding key enzymes in BRs; indole acetic acid (IAA), gibberellin (GA), and abscisic acid (ABA) biosynthesis or signaling were upregulated or downregulated during chilling stress. Chilling stress decreased the BRs and GA3 content, and increased IAA and ABA content. The contents were lower or higher in SlBRI1OE than in WT plants. Furthermore, chilling stress regulated the expression levels of 43 transcription factors. The expression of seven cold-regulated protein genes was higher or lower in SlBRI1OE plants than in WT plants under chilling stress. These results suggest that SlBRI1 positively regulates chilling tolerance mainly through ICE1-CBF-COR pathway in tomato.
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Affiliation(s)
- Dan Wang
- Key Laboratory of Southwest China Wildlife Resources Conservation (Ministry of Education), College of Life Science, China West Normal University, Nanchong 637009, China
| | - Zaijun Yang
- Key Laboratory of Southwest China Wildlife Resources Conservation (Ministry of Education), College of Life Science, China West Normal University, Nanchong 637009, China
| | - Meiqi Wu
- Key Laboratory of Southwest China Wildlife Resources Conservation (Ministry of Education), College of Life Science, China West Normal University, Nanchong 637009, China
| | - Wei Wang
- Key Laboratory of Southwest China Wildlife Resources Conservation (Ministry of Education), College of Life Science, China West Normal University, Nanchong 637009, China
| | - Yue Wang
- Key Laboratory of Southwest China Wildlife Resources Conservation (Ministry of Education), College of Life Science, China West Normal University, Nanchong 637009, China
| | - Shuming Nie
- Key Laboratory of Southwest China Wildlife Resources Conservation (Ministry of Education), College of Life Science, China West Normal University, Nanchong 637009, China.
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38
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Petruccelli R, Bartolini G, Ganino T, Zelasco S, Lombardo L, Perri E, Durante M, Bernardi R. Cold Stress, Freezing Adaptation, Varietal Susceptibility of Olea europaea L.: A Review. PLANTS (BASEL, SWITZERLAND) 2022; 11:1367. [PMID: 35631792 PMCID: PMC9144808 DOI: 10.3390/plants11101367] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 05/13/2022] [Accepted: 05/16/2022] [Indexed: 06/15/2023]
Abstract
Olive (Olea europaea L.) is an evergreen xerophytic tree characterizing vegetative landscape and historical-cultural identity of the Mediterranean Basin. More than 2600 cultivars constitute the rich genetic patrimony of the species cultivated in approximately 60 countries. As a subtropical species, the olive tree is quite sensitive to low temperatures, and air temperature is the most critical environmental factor limiting olive tree growth and production. In this present review, we explored the detrimental effects caused of low temperatures on olive cultivars, and analyzed the most frequently experimental procedures used to evaluate cold stress. Then, current findings freezing stress physiology and gene are summarized in olive tree, with an emphasis on adaptive mechanisms for cold tolerance. This review might clear the way for new research on adaptive mechanisms for cold acclimation and for improvement of olive growing management.
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Affiliation(s)
- Raffaella Petruccelli
- Institute of BioEconomy, National Research Council (CNR/IBE), 50019 Sesto Fiorentino, Italy; (R.P.); (G.B.)
| | - Giorgio Bartolini
- Institute of BioEconomy, National Research Council (CNR/IBE), 50019 Sesto Fiorentino, Italy; (R.P.); (G.B.)
| | - Tommaso Ganino
- Institute of BioEconomy, National Research Council (CNR/IBE), 50019 Sesto Fiorentino, Italy; (R.P.); (G.B.)
- Department of Food and Drug, University of Parma, 43124 Parma, Italy
| | - Samanta Zelasco
- Council for Agricultural Research and Economics-Research Centre for Olive, Fruit and Citrus Crops, 87036 Rende, Italy; (S.Z.); (L.L.); (E.P.)
| | - Luca Lombardo
- Council for Agricultural Research and Economics-Research Centre for Olive, Fruit and Citrus Crops, 87036 Rende, Italy; (S.Z.); (L.L.); (E.P.)
| | - Enzo Perri
- Council for Agricultural Research and Economics-Research Centre for Olive, Fruit and Citrus Crops, 87036 Rende, Italy; (S.Z.); (L.L.); (E.P.)
| | - Mauro Durante
- Department of Agricultural, Food and Agro-Environmental Sciences, University of Pisa, 56121 Pisa, Italy; (M.D.); (R.B.)
| | - Rodolfo Bernardi
- Department of Agricultural, Food and Agro-Environmental Sciences, University of Pisa, 56121 Pisa, Italy; (M.D.); (R.B.)
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Yan Y, Mintao S, Si M, Qian F, Yijia W, Qinghua D, Mengdi Z, Chaoxing H, Yansu L, Lihong G, Xianchang Y. Mechanism of CsGPA1 in regulating cold tolerance of cucumber. HORTICULTURE RESEARCH 2022; 9:uhac109. [PMID: 35821703 PMCID: PMC9265480 DOI: 10.1093/hr/uhac109] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Accepted: 04/22/2022] [Indexed: 06/01/2023]
Abstract
G proteins function directly in cold tolerance of plants. However, the framework of the Gα subunit in regulating cold tolerance remains to be explored. Here, we used protein interaction techniques to elucidate cold-related pathways regulated by CsGPA1. Suppression of CsGPA1 decreased the cold tolerance of cucumber. Further protein interaction experiments showed that CsGPA1 interacted with Csa_4G663630.1 located in the cell membrane and nucleus and with CsCOR413PM2 located in the cell membrane. Csa_4G663630.1 was named CsCDL1 due to its 71% protein sequence similarity to AtCDL1, a positive brassinolide signal gene. Suppression of CsGPA1 decreased the expression of most of brassinolide-related genes (including CsCDL1) under cold stress. Principal component and linear regression analyses showed that expressions of CsGPA1 and brassinolide-related genes were positively correlated. Suppression of CsCOR413PM2 also decreased cold tolerance of cucumber. The expression and protein content of CsCOR413PM2 and CsGPA1 in CsGPA1-RNAi and CsCOR413PM2-RNAi lines were determined under cold tolerance. Only CsGPA1 silencing affected the expression and protein content of CsCOR413PM2 during cold stress. Moreover, suppression of CsGPA1 or CsCOR413PM2 decreased Ca 2+ influx at low temperature and then decreased the expression of CsICE-CsCBF. These results indicated that the CsGPA1-CsCOR413PM2-Ca2+ axis regulated the expression of CsICE-CsCBF during cold stress. In conclusion, Our results provide the first framework of CsGPA1 in regulating cold tolerance of cucumber, laying the foundation for further mechanistic studies of cold tolerance for Gα in cucumber.
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Affiliation(s)
- Yan Yan
- The Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Haidian District, Zhongguancun South St, Beijing 100081, China
| | - Sun Mintao
- The Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Haidian District, Zhongguancun South St, Beijing 100081, China
| | - Ma Si
- Beijing Key Laboratory of Growth and Developmental Regulation for Protected Vegetable Crops, China Agricultural University, 2 Yuanmingyuan West Road, Haidian District, Beijing 100193, China
| | - Feng Qian
- The Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Haidian District, Zhongguancun South St, Beijing 100081, China
| | - Wang Yijia
- The Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Haidian District, Zhongguancun South St, Beijing 100081, China
| | - Di Qinghua
- The Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Haidian District, Zhongguancun South St, Beijing 100081, China
| | - Zhou Mengdi
- The Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Haidian District, Zhongguancun South St, Beijing 100081, China
| | - He Chaoxing
- The Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Haidian District, Zhongguancun South St, Beijing 100081, China
| | - Li Yansu
- The Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Haidian District, Zhongguancun South St, Beijing 100081, China
| | - Gao Lihong
- Beijing Key Laboratory of Growth and Developmental Regulation for Protected Vegetable Crops, China Agricultural University, 2 Yuanmingyuan West Road, Haidian District, Beijing 100193, China
| | - Yu Xianchang
- The Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Haidian District, Zhongguancun South St, Beijing 100081, China
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Photosynthesis Mediated by RBOH-Dependent Signaling Is Essential for Cold Stress Memory. Antioxidants (Basel) 2022; 11:antiox11050969. [PMID: 35624833 PMCID: PMC9137663 DOI: 10.3390/antiox11050969] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Revised: 05/10/2022] [Accepted: 05/11/2022] [Indexed: 11/16/2022] Open
Abstract
Cold tolerance is improved by cold stress acclimation (CS-ACC), and the cold tolerance level is ‘remembered’ by plants. However, the underlying signaling mechanisms remain largely unknown. Here, the CS memory mechanism was studied by bioinformation, plant physiological and photosynthetic parameters, and gene expression. We found that CS-ACC induced the acquisition of CS memory and enhanced the maintenance of acquired cold tolerance (MACT) in cucumber seedlings. The H2O2 content and NADPH oxidase activity encoded by CsRBOH was maintained at higher levels during recovery after CS-ACC and inhibition of RBOH-dependent signaling after CS-ACC resulted in a decrease in the H2O2 content, NADPH oxidase activity, and MACT. CsRBOH2, 3, 4, and 5 showed high expression during recovery after CS-ACC. Many BZR-binding sites were identified in memory-responsive CsRBOHs promoters, and CsBZR1 and 3 showed high expression during recovery after CS-ACC. Inhibition of RBOH-dependent signaling or brassinosteroids affected the maintenance of the expression of these memory-responsive CsRBOHs and CsBZRs. The photosynthetic efficiency (PE) decreased but then increased with the prolonged recovery after CS-ACC, and was higher than the control at 48 h of recovery; however, inhibition of RBOH-dependent signaling resulted in a lower PE. Further etiolated seedlings experiments showed that a photosynthetic capacity was necessary for CS memory. Therefore, photosynthesis mediated by RBOH-dependent signaling is essential for CS memory.
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Stachurska J, Rys M, Pociecha E, Kalaji HM, Dąbrowski P, Oklestkova J, Jurczyk B, Janeczko A. Deacclimation-Induced Changes of Photosynthetic Efficiency, Brassinosteroid Homeostasis and BRI1 Expression in Winter Oilseed Rape (Brassica napus L.)—Relation to Frost Tolerance. Int J Mol Sci 2022; 23:ijms23095224. [PMID: 35563614 PMCID: PMC9102500 DOI: 10.3390/ijms23095224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 04/27/2022] [Accepted: 05/04/2022] [Indexed: 02/04/2023] Open
Abstract
The objective of this study was to answer the question of how the deacclimation process affects frost tolerance, photosynthetic efficiency, brassinosteroid (BR) homeostasis and BRI1 expression of winter oilseed rape. A comparative study was conducted on cultivars with different agronomic and physiological traits. The deacclimation process can occur when there are periods of higher temperatures, particularly in the late autumn or winter. This interrupts the process of the acclimation (hardening) of winter crops to low temperatures, thus reducing their frost tolerance and becoming a serious problem for agriculture. The experimental model included plants that were non-acclimated, cold acclimated (at 4 ∘C) and deacclimated (at 16 ∘C/9 ∘C, one week). We found that deacclimation tolerance (maintaining a high frost tolerance despite warm deacclimating periods) was a cultivar-dependent trait. Some of the cultivars developed a high frost tolerance after cold acclimation and maintained it after deacclimation. However, there were also cultivars that had a high frost tolerance after cold acclimation but lost some of it after deacclimation (the cultivars that were more susceptible to deacclimation). Deacclimation reversed the changes in the photosystem efficiency that had been induced by cold acclimation, and therefore, measuring the different signals associated with photosynthetic efficiency (based on prompt and delayed chlorophyll fluorescence) of plants could be a sensitive tool for monitoring the deacclimation process (and possible changes in frost tolerance) in oilseed rape. Higher levels of BR were characteristic of the better frost-tolerant cultivars in both the cold-acclimated and deacclimated plants. The relative expression of the BRI1 transcript (encoding the BR-receptor protein) was lower after cold acclimation and remained low in the more frost-tolerant cultivars after deacclimation. The role of brassinosteroids in oilseed rape acclimation/deacclimation is briefly discussed.
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Affiliation(s)
- Julia Stachurska
- The Franciszek Górski Institute of Plant Physiology, Polish Academy of Sciences, Niezapominajek 21, 30-239 Kraków, Poland; (J.S.); (M.R.)
| | - Magdalena Rys
- The Franciszek Górski Institute of Plant Physiology, Polish Academy of Sciences, Niezapominajek 21, 30-239 Kraków, Poland; (J.S.); (M.R.)
| | - Ewa Pociecha
- Department of Plant Physiology, Faculty of Agriculture and Economics, University of Agriculture in Kraków, Podłużna 3, 30-239 Kraków, Poland; (E.P.); (B.J.)
| | - Hazem M. Kalaji
- Institute of Technology and Life Sciences—National Research Institute, Falenty, Al. Hrabska 3, 05-090 Raszyn, Poland;
- Department of Plant Physiology, Institute of Biology, Warsaw University of Life Sciences—SGGW, 02-766 Warsaw, Poland
| | - Piotr Dąbrowski
- Institute of Environmental Engineering, Warsaw University of Life Sciences—SGGW, 02-766 Warsaw, Poland;
| | - Jana Oklestkova
- Laboratory of Growth Regulators, Faculty of Science, Institute of Experimental Botany of the Czech Academy of Sciences, Palacký University, Šlechtitelu 27, CZ-78371 Olomouc, Czech Republic;
| | - Barbara Jurczyk
- Department of Plant Physiology, Faculty of Agriculture and Economics, University of Agriculture in Kraków, Podłużna 3, 30-239 Kraków, Poland; (E.P.); (B.J.)
| | - Anna Janeczko
- The Franciszek Górski Institute of Plant Physiology, Polish Academy of Sciences, Niezapominajek 21, 30-239 Kraków, Poland; (J.S.); (M.R.)
- Correspondence:
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Abstract
Plant hormones are signalling compounds that regulate crucial aspects of growth, development and environmental stress responses. Abiotic stresses, such as drought, salinity, heat, cold and flooding, have profound effects on plant growth and survival. Adaptation and tolerance to such stresses require sophisticated sensing, signalling and stress response mechanisms. In this Review, we discuss recent advances in understanding how diverse plant hormones control abiotic stress responses in plants and highlight points of hormonal crosstalk during abiotic stress signalling. Control mechanisms and stress responses mediated by plant hormones including abscisic acid, auxin, brassinosteroids, cytokinins, ethylene and gibberellins are discussed. We discuss new insights into osmotic stress sensing and signalling mechanisms, hormonal control of gene regulation and plant development during stress, hormone-regulated submergence tolerance and stomatal movements. We further explore how innovative imaging approaches are providing insights into single-cell and tissue hormone dynamics. Understanding stress tolerance mechanisms opens new opportunities for agricultural applications.
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Tang B, Xie L, Yang H, Li X, Chen Y, Zou X, Liu F, Dai X. Analysis of the Expression and Function of Key Genes in Pepper Under Low-Temperature Stress. FRONTIERS IN PLANT SCIENCE 2022; 13:852511. [PMID: 35599873 PMCID: PMC9116226 DOI: 10.3389/fpls.2022.852511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Accepted: 04/13/2022] [Indexed: 06/15/2023]
Abstract
The mechanism of resistance of plants to cold temperatures is very complicated, and the molecular mechanism and related gene network in pepper are largely unknown. Here, during cold treatment, we used cluster analysis (k-means) to classify all expressed genes into 15 clusters, 3,680 and 2,405 differentially expressed genes (DEGs) were observed in the leaf and root, respectively. The DEGs associated with certain important basic metabolic processes, oxidoreductase activity, and overall membrane compositions were most significantly enriched. In addition, based on the homologous sequence alignment of Arabidopsis genes, we identified 14 positive and negative regulators of the ICE-CBF-COR module in pepper, including CBF and ICE, and compared their levels in different data sets. The correlation matrix constructed based on the expression patterns of whole pepper genes in leaves and roots after exposure to cold stress showed the correlation between 14 ICE-CBF-COR signaling module genes, and provided insight into the relationship between these genes in pepper. These findings not only provide valuable resources for research on cold tolerance, but also lay the foundation for the genetic modification of cold stress regulators, which would help us achieve improved crop tolerance. To our knowledge, this is the first study to demonstrate the relationship between positive and negative regulators related to the ICE-CBF-COR module, which is of great significance to the study of low-temperature adaptive mechanisms in plants.
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Affiliation(s)
- Bingqian Tang
- College of Horticulture, Hunan Agricultural University, Changsha, China
- Longping Branch, Graduate School of Hunan University, Changsha, China
- ERC for Germplasm Innovation and New Variety, Breeding of Horticultural Crops, Changsha, China
- Key Laboratory for Vegetable Biology of Hunan Province, Changsha, China
| | - Lingling Xie
- Key Laboratory for Vegetable Biology of Hunan Province, Changsha, China
| | - Huiping Yang
- Longping Branch, Graduate School of Hunan University, Changsha, China
| | - Xiumin Li
- Longping Branch, Graduate School of Hunan University, Changsha, China
| | - Ying Chen
- Longping Branch, Graduate School of Hunan University, Changsha, China
| | - Xuexiao Zou
- College of Horticulture, Hunan Agricultural University, Changsha, China
- Longping Branch, Graduate School of Hunan University, Changsha, China
- ERC for Germplasm Innovation and New Variety, Breeding of Horticultural Crops, Changsha, China
- Key Laboratory for Vegetable Biology of Hunan Province, Changsha, China
| | - Feng Liu
- College of Horticulture, Hunan Agricultural University, Changsha, China
- Longping Branch, Graduate School of Hunan University, Changsha, China
- ERC for Germplasm Innovation and New Variety, Breeding of Horticultural Crops, Changsha, China
- Key Laboratory for Vegetable Biology of Hunan Province, Changsha, China
| | - Xiongze Dai
- College of Horticulture, Hunan Agricultural University, Changsha, China
- ERC for Germplasm Innovation and New Variety, Breeding of Horticultural Crops, Changsha, China
- Key Laboratory for Vegetable Biology of Hunan Province, Changsha, China
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Primo-Capella A, Forner-Giner MÁ, Martínez-Cuenca MR, Terol J. Comparative transcriptomic analyses of citrus cold-resistant vs. sensitive rootstocks might suggest a relevant role of ABA signaling in triggering cold scion adaption. BMC PLANT BIOLOGY 2022; 22:209. [PMID: 35448939 PMCID: PMC9027863 DOI: 10.1186/s12870-022-03578-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Accepted: 04/04/2022] [Indexed: 05/24/2023]
Abstract
BACKGROUND The citrus genus comprises a number of sensitive tropical and subtropical species to cold stress, which limits global citrus distribution to certain latitudes and causes major economic loss. We used RNA-Seq technology to analyze changes in the transcriptome of Valencia delta seedless orange in response to long-term cold stress grafted on two frequently used citrus rootstocks: Carrizo citrange (CAR), considered one of the most cold-tolerant accessions; C. macrophylla (MAC), a very sensitive one. Our objectives were to identify the genetic mechanism that produce the tolerant or sensitive phenotypes in citrus, as well as to gain insights of the rootstock-scion interactions that induce the cold tolerance or sensitivity in the scion. RESULTS Plants were kept at 1 ºC for 30 days. Samples were taken at 0, 15 and 30 days. The metabolomic analysis showed a significant increase in the concentration of free sugars and proline, which was higher for the CAR plants. Hormone quantification in roots showed a substantially increased ABA concentration during cold exposure in the CAR roots, which was not observed in MAC. Different approaches were followed to analyze gene expression. During the stress treatment, the 0-15-day comparison yielded the most DEGs. The functional characterization of DEGs showed enrichment in GO terms and KEGG pathways related to abiotic stress responses previously described in plant cold adaption. The DEGs analysis revealed that several key genes promoting cold adaption were up-regulated in the CAR plants, and those repressing it had higher expression levels in the MAC samples. CONCLUSIONS The metabolomic and transcriptomic study herein performed indicates that the mechanisms activated in plants shortly after cold exposure remain active in the long term. Both the hormone quantification and differential expression analysis suggest that ABA signaling might play a relevant role in promoting the cold hardiness or sensitiveness of Valencia sweet orange grafted onto Carrizo citrange or Macrophylla rootstocks, respectively. Our work provides new insights into the mechanisms by which rootstocks modulate resistance to abiotic stress in the production variety grafted onto them.
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Affiliation(s)
- Amparo Primo-Capella
- Centro de Citricultura y Producción Vegetal, Instituto Valenciano de Investigaciones Agrarias (IVIA), Valencia, Spain.
| | - María Ángeles Forner-Giner
- Centro de Citricultura y Producción Vegetal, Instituto Valenciano de Investigaciones Agrarias (IVIA), Valencia, Spain
| | - Mary-Rus Martínez-Cuenca
- Centro de Citricultura y Producción Vegetal, Instituto Valenciano de Investigaciones Agrarias (IVIA), Valencia, Spain
| | - Javier Terol
- Centro de Genómica, Instituto Valenciano de Investigaciones Agrarias (IVIA), Valencia, Spain
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Albertos P, Wlk T, Griffiths J, Pimenta Lange MJ, Unterholzner SJ, Rozhon W, Lange T, Jones AM, Poppenberger B. Brassinosteroid-regulated bHLH transcription factor CESTA induces the gibberellin 2-oxidase GA2ox7. PLANT PHYSIOLOGY 2022; 188:2012-2025. [PMID: 35148416 PMCID: PMC8968292 DOI: 10.1093/plphys/kiac008] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 12/10/2021] [Indexed: 05/14/2023]
Abstract
Brassinosteroids (BRs) are plant steroids that have growth-promoting capacities, which are partly enabled by an ability to induce biosynthesis of gibberellins (GAs), a second class of plant hormones. In addition, BRs can also activate GA catabolism; here we show that in Arabidopsis (Arabidopsis thaliana) the basic helix-loop-helix transcription factor CESTA (CES) and its homologues BRASSINOSTEROID-ENHANCED EXPRESSION (BEE) 1 and 3 contribute to this activity. CES and the BEEs are BR-regulated at the transcriptional and posttranslational level and participate in different physiological processes, including vegetative and reproduction development, shade avoidance, and cold stress responses. We show that CES/BEEs can induce the expression of the class III GA 2-oxidase GA2ox7 and that this activity is increased by BRs. In BR signaling - and CES/BEE-deficient mutants, GA2ox7 expression decreased, yielding reduced levels of GA110, a product of GA2ox7 activity. In plants that over-express CES, GA2ox7 expression is hyper-responsive to BR, GA110 levels are elevated and amounts of bioactive GA are reduced. We provide evidence that CES directly binds to the GA2ox7 promoter and is activated by BRs, but can also act by BR-independent means. Based on these results, we propose a model for CES activity in GA catabolism where CES can be recruited for GA2ox7 induction not only by BR, but also by other factors.
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Affiliation(s)
| | | | | | - Maria J Pimenta Lange
- Institute of Plant Biology, Technical University of Braunschweig, Braunschweig, Germany
| | | | | | - Theo Lange
- Institute of Plant Biology, Technical University of Braunschweig, Braunschweig, Germany
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Wang X, Song Q, Liu Y, Brestic M, Yang X. The network centered on ICEs play roles in plant cold tolerance, growth and development. PLANTA 2022; 255:81. [PMID: 35249133 DOI: 10.1007/s00425-022-03858-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 02/14/2022] [Indexed: 06/14/2023]
Abstract
ICEs are key transcription factors in response to cold in plant, they also balance plant growth and stress tolerance. Thus, we systematize the information about ICEs published to date. Low temperature is an important factor affecting plant growth and development. Exposing to cold condition results in a suit of effects on plants including reduction of plant growth and reproduction, and decrease in crop yield and quality. Plants have evolved a series of strategies to deal with cold stress such as reprogramming of the expression of genes and transcription factors. ICEs (Inducer of CBF Expression), as transcription factors regulating CBFs (C-repeat binding factor), play key roles in balancing plant growth and stress tolerance. Studies on ICEs focused on the function of ICEs on cold tolerance, growth and development; post-translational modifications of ICEs and crosstalk between the ICEs and phytohormones. In this review, we focus on systematizing the information published to date. We summarized the main advances of the functions of ICEs on the cold tolerance, growth and development. And we also elaborated the regulation of ICEs protein stability including phosphorylation, ubiquitination and SUMOylation of ICE. Finally, we described the function of ICEs in the crosstalk among different phytohormone signaling pathway and cold stress. This review provides perspectives for ongoing research about cold tolerance, growth and development in plant.
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Affiliation(s)
- Xipan Wang
- College of Life Science, State Key Laboratory of Crop Biology, Shandong Key Laboratory of Crop Biology, Shandong Agricultural University, Taian, 271018, China
| | - Qiping Song
- College of Life Science, State Key Laboratory of Crop Biology, Shandong Key Laboratory of Crop Biology, Shandong Agricultural University, Taian, 271018, China
| | - Yang Liu
- College of Life Science, State Key Laboratory of Crop Biology, Shandong Key Laboratory of Crop Biology, Shandong Agricultural University, Taian, 271018, China
| | - Marian Brestic
- Department of Plant Physiology, Slovak University of Agriculture, A. Hlinku 2, Nitra, 94976, Slovak Republic
| | - Xinghong Yang
- College of Life Science, State Key Laboratory of Crop Biology, Shandong Key Laboratory of Crop Biology, Shandong Agricultural University, Taian, 271018, China.
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Over-expression of TaDWF4 increases wheat productivity under low and sufficient nitrogen through enhanced carbon assimilation. Commun Biol 2022; 5:193. [PMID: 35241776 PMCID: PMC8894359 DOI: 10.1038/s42003-022-03139-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Accepted: 02/08/2022] [Indexed: 11/13/2022] Open
Abstract
There is a strong pressure to reduce nitrogen (N) fertilizer inputs while maintaining or increasing current cereal crop yields. We show that overexpression of TaDWF4-B, the dominant shoot expressed homoeologue of OsDWF4, in wheat can increase plant productivity by up to 105% under a range of N levels on marginal soils, resulting in increased N use efficiency (NUE). We show that a two to four-fold increase in TaDWF4 transcript levels enhances the responsiveness of genes regulated by N. The productivity increases seen were primarily due to the maintenance of photosystem II operating efficiency and carbon assimilation in plants when grown under limiting N conditions and not an overall increase in photosynthesis capacity. The increased biomass production and yield per plant in TaDWF4 OE lines could be linked to modified carbon partitioning and changes in expression pattern of the growth regulator Target Of Rapamycin, offering a route towards breeding for sustained yield and lower N inputs. In wheat, overexpression of TaDWF4 overrides normal nutrient sensing allowing for increased biomass when grown under limiting nutrient conditions. This maintenance of growth is associated with modified carbon partitioning and changes in expression of growth regulator TaTOR, offering a route towards breeding for sustained yields with lower nitrogen inputs.
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Sharma A, Ramakrishnan M, Khanna K, Landi M, Prasad R, Bhardwaj R, Zheng B. Brassinosteroids and metalloids: Regulation of plant biology. JOURNAL OF HAZARDOUS MATERIALS 2022; 424:127518. [PMID: 34836689 DOI: 10.1016/j.jhazmat.2021.127518] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 06/28/2021] [Accepted: 10/13/2021] [Indexed: 05/06/2023]
Abstract
Metalloid contamination in the environment is one of the serious concerns posing threat to our ecosystems. Excess of metalloid concentrations (including antimony, arsenic, boron, selenium etc.) in soil results in their over accumulation in plant tissues, which ultimately causes phytotoxicity and their bio-magnification. So, it is very important to find some ecofriendly approaches to counter negative impacts of above mentioned metalloids on plant system. Brassinosteroids (BRs) belong to family of plant steroidal hormones, and are considered as one of the ecofriendly way to counter metalloid phytotoxicity. This phytohormone regulates the plant biology in presence of metalloids by modulating various key biological processes like cell signaling, primary and secondary metabolism, bio-molecule crosstalk and redox homeostasis. The present review explains the in-depth mechanisms of BR regulated plant responses in presence of metalloids, and provides some biotechnological aspects towards ecofriendly management of metalloid contamination.
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Affiliation(s)
- Anket Sharma
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou 311300, China.
| | - Muthusamy Ramakrishnan
- Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing 210037, Jiangsu, China; Bamboo Research Institute, Nanjing Forestry University, Nanjing 210037, Jiangsu, China
| | - Kanika Khanna
- Plant Stress Physiology Lab, Department of Botanical and Environment Sciences, Guru Nanak Dev University, Amritsar, Punjab 143005, India
| | - Marco Landi
- Department of Agriculture, Food and Environment, University of Pisa, Via del Borghetto 80, I-56124, Pisa, Italy; CIRSEC, Centre for Climatic Change Impact, University of Pisa, Via del Borghetto 80, I-56124, Pisa, Italy
| | - Rajendra Prasad
- Department of Horticulture, Kulbhaskar Ashram Post Graduate College, Prayagraj, Uttar Pradesh, India
| | - Renu Bhardwaj
- Plant Stress Physiology Lab, Department of Botanical and Environment Sciences, Guru Nanak Dev University, Amritsar, Punjab 143005, India
| | - Bingsong Zheng
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou 311300, China.
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Zhang C, Lauster T, Tang W, Houbaert A, Zhu S, Eeckhout D, De Smet I, De Jaeger G, Jacobs TB, Xu T, Müller S, Russinova E. ROPGAP-dependent interaction between brassinosteroid and ROP2-GTPase signaling controls pavement cell shape in Arabidopsis. Curr Biol 2022; 32:518-531.e6. [PMID: 35085499 DOI: 10.1016/j.cub.2021.12.043] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 11/16/2021] [Accepted: 12/16/2021] [Indexed: 02/06/2023]
Abstract
The epidermal pavement cell shape in Arabidopsis is driven by chemical and mechanical cues that direct partitioning mechanisms required for the establishment of the lobe- and indentation-defining polar sites. Brassinosteroid (BR) hormones regulate pavement cell morphogenesis, but the underlying mechanism remains unclear. Here, we identified two PLECKSTRIN HOMOLOGY GTPase-ACTIVATING proteins (PHGAPs) as substrates of the GSK3-like kinase BR-INSENSITIVE2 (BIN2). The phgap1phgap2 mutant displayed severe epidermal cell shape phenotypes, and the PHGAPs were markedly enriched in the anticlinal face of the pavement cell indenting regions. BIN2 phosphorylation of PHGAPs was required for their stability and polarization. BIN2 inhibition activated ROP2-GTPase signaling specifically in the lobes because of PHGAP degradation, while the PHGAPs restrained ROP2 activity in the indentations. Hence, we connect BR and ROP2-GTPase signaling pathways via the regulation of PHGAPs and put forward the importance of spatiotemporal control of BR signaling for pavement cell interdigitation.
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Affiliation(s)
- Cheng Zhang
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium; Center for Plant Systems Biology, VIB, 9052 Ghent, Belgium
| | - Theresa Lauster
- Developmental Genetics, Centre for Plant Molecular Biology (ZMBP), University of Tübingen, 72076 Tübingen, Germany
| | - Wenxin Tang
- FAFU-UCR Joint Centre for Horticultural Biology and Metabolomics, Haixia Institute of Science and Technology, Fujian Agriculture and Forestry University, Fuzhou 350002, P.R. China
| | - Anaxi Houbaert
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium; Center for Plant Systems Biology, VIB, 9052 Ghent, Belgium
| | - Shanshuo Zhu
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium; Center for Plant Systems Biology, VIB, 9052 Ghent, Belgium
| | - Dominique Eeckhout
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium; Center for Plant Systems Biology, VIB, 9052 Ghent, Belgium
| | - Ive De Smet
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium; Center for Plant Systems Biology, VIB, 9052 Ghent, Belgium
| | - Geert De Jaeger
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium; Center for Plant Systems Biology, VIB, 9052 Ghent, Belgium
| | - Thomas B Jacobs
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium; Center for Plant Systems Biology, VIB, 9052 Ghent, Belgium
| | - Tongda Xu
- FAFU-UCR Joint Centre for Horticultural Biology and Metabolomics, Haixia Institute of Science and Technology, Fujian Agriculture and Forestry University, Fuzhou 350002, P.R. China
| | - Sabine Müller
- Developmental Genetics, Centre for Plant Molecular Biology (ZMBP), University of Tübingen, 72076 Tübingen, Germany; Department of Biology, Friedrich-Alexander University Erlangen-Nuremberg, 91054 Erlangen, Germany
| | - Eugenia Russinova
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium; Center for Plant Systems Biology, VIB, 9052 Ghent, Belgium.
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Zhao J, Shi M, Yu J, Guo C. SPL9 mediates freezing tolerance by directly regulating the expression of CBF2 in Arabidopsis thaliana. BMC PLANT BIOLOGY 2022; 22:59. [PMID: 35109794 PMCID: PMC8809014 DOI: 10.1186/s12870-022-03445-8] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 01/26/2022] [Indexed: 05/05/2023]
Abstract
BACKGROUND Freezing stress inhibits plant development and causes significant damage to plants. Plants therefore have evolved a large amount of sophisticated mechanisms to counteract freezing stress by adjusting their growth and development correspondingly. Plant ontogenetic defense against drought, high salt, and heat stresses, has been extensively studied. However, whether the freezing tolerance is associated with ontogenetic development and how the freezing signals are delivered remain unclear. RESULTS In this study, we found that the freezing tolerance was increased with plant age at the vegetative stage. The expressions of microRNA156 (miR156) and SQUAMOSA PROMOTER BINDING PROTEIN-LIKE 9 (SPL9), playing roles in regulation of ontogenetic development, were induced by cold stress. Overexpression of SPL9 (rSPL9) promoted the expression of C-REPEAT BINDING FACTOR 2 (CBF2) and hereafter enhanced the freezing tolerance. Genetic analysis indicated that the effect of rSPL9 on freezing tolerance is partially restored by cbf2 mutant. Further analysis confirmed that SPL9 directly binds to the promoter of CBF2 to activate the expression of CBF2, and thereafter increased the freezing tolerance. CONCLUSIONS Therefore, our study uncovers a new role of SPL9 in fine-tuning CBF2 expression and thus mediating freezing tolerance in plants, and implies a role of miR156-SPL pathway in balancing the vegetative development and freezing response in Arabidopsis.
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Affiliation(s)
- Junli Zhao
- Laboratory of Plant Molecular and Developmental Biology, Zhejiang Agriculture and Forestry University, Hangzhou, 311300, China
| | - Min Shi
- Laboratory of Plant Molecular and Developmental Biology, Zhejiang Agriculture and Forestry University, Hangzhou, 311300, China
| | - Jing Yu
- Laboratory of Plant Molecular and Developmental Biology, Zhejiang Agriculture and Forestry University, Hangzhou, 311300, China.
| | - Changkui Guo
- Laboratory of Plant Molecular and Developmental Biology, Zhejiang Agriculture and Forestry University, Hangzhou, 311300, China.
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