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Farooq MA, Ayyaz A, Zou HX, Zhou W, Hannan F, Yan X. Jasmonic acid mediates Ca 2+ dependent signal transduction and plant immunity. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2024; 348:112239. [PMID: 39197534 DOI: 10.1016/j.plantsci.2024.112239] [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: 06/02/2024] [Revised: 08/18/2024] [Accepted: 08/23/2024] [Indexed: 09/01/2024]
Abstract
Pathogen attacks can cause significant damage to plants, posing a threaten to global food production. Plants have developed exquisite methods to rapidly store a key defensive hormone jasmonate (JA), which stimulates their entire evolutionary adaptive response to pathogen attack. However, understanding how plants initiate JA biosynthesis in response to pathogen attacks has remained elusive. In this review, we discuss the newly discovered JAV1-JAZ8-WRKY51 (JJW) complex, which plays a crucial role in regulating JA production to deter insect attacks. The JJW complex inhibits JA production in plants, maintaining a low baseline level of JA that promotes optimal plant development. However, when plants are attacked by insects, a rapid influx of calcium stimulates the JAV1 calcium-dependent protein phosphate, leading to the breakdown of the JJW complex and the activation of JA production. This surge in JA levels, initiates plant defense mechanisms against the invading insects. These findings shed light on the intricate defense system that plants have evolved to combat diseases.
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Affiliation(s)
- Muhammad Ahsan Farooq
- National and Local Joint Engineering Research Center of Ecological Treatment Technology for Urban Water Pollution, College of Life and Environmental Science, Wenzhou University, Zhong-Xin Street, Wenzhou 325035, China; Zhejiang Provincial Key Laboratory for Water Environment and Marine Biological Resources Protection, College of Life and Environmental Science, Wenzhou University, Zhong-Xin Street, Wenzhou 325035, China
| | - Ahsan Ayyaz
- Institute of Crop Science and Zhejiang Key Laboratory of Crop Germplasm, Zhejiang University, Hangzhou 310058, China
| | - Hui-Xi Zou
- National and Local Joint Engineering Research Center of Ecological Treatment Technology for Urban Water Pollution, College of Life and Environmental Science, Wenzhou University, Zhong-Xin Street, Wenzhou 325035, China; Zhejiang Provincial Key Laboratory for Water Environment and Marine Biological Resources Protection, College of Life and Environmental Science, Wenzhou University, Zhong-Xin Street, Wenzhou 325035, China
| | - Weijun Zhou
- Institute of Crop Science and Zhejiang Key Laboratory of Crop Germplasm, Zhejiang University, Hangzhou 310058, China
| | - Fakhir Hannan
- Institute of Crop Science and Zhejiang Key Laboratory of Crop Germplasm, Zhejiang University, Hangzhou 310058, China
| | - Xiufeng Yan
- National and Local Joint Engineering Research Center of Ecological Treatment Technology for Urban Water Pollution, College of Life and Environmental Science, Wenzhou University, Zhong-Xin Street, Wenzhou 325035, China; Zhejiang Provincial Key Laboratory for Water Environment and Marine Biological Resources Protection, College of Life and Environmental Science, Wenzhou University, Zhong-Xin Street, Wenzhou 325035, China.
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Yao Y, Lin HT, Chen YH, Chen LL, Zhang HL, Fu HY, Gao SJ, Wang R, Feng HL, Wang JD. Salivary Protein Sfapyrase of Spodoptera frugiperda Stimulates Plant Defence Response. PLANT, CELL & ENVIRONMENT 2024. [PMID: 39262278 DOI: 10.1111/pce.15121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Revised: 08/12/2024] [Accepted: 08/13/2024] [Indexed: 09/13/2024]
Abstract
Plants have developed various resistance mechanisms against herbivorous insects through prolonged coevolution. Plant defence responses can be triggered by specific compounds present in insect saliva. Apyrase, a known enzyme that catalyzes the hydrolysis of adenosine triphosphate (ATP) and adenosine diphosphate (ADP) into adenosine monophosphate (AMP) and inorganic phosphorus, has recently been identified in some herbivorous insects. However, whether insect salivary apyrase induces or inhibits plant responses remains poorly understood. In this study, we identified an apyrase-like protein in the salivary proteome of the fall armyworm, Spodoptera frugiperda, named Sfapyrase. Sfapyrase was primarily expressed in the salivary gland and secreted into plants during insect feeding. Transient expression of Sfapyrase in tobacco and maize enhanced plant resistance and resulted in decreased insect feeding. Knockdown of Sfapyrase through RNA interference led to increased growth and feeding of S. frugiperda. Furthermore, we showed that Sfapyrase activates the jasmonic acid signalling pathway and promotes the synthesis of secondary metabolites, especially benzoxazinoids, thereby enhancing resistance to S. frugiperda. In summary, our findings demonstrated that Sfapyrase acts as a salivary elicitor, inducing maize jasmonic acid defence responses and the production of insect-resistant benzoxazinoids. This study provides valuable insights into plant-insect interactions and offers potential targets for developing innovative insect pest management strategies.
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Affiliation(s)
- Yang Yao
- National Engineering Research Center of Sugarcane, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Huan-Tai Lin
- National Engineering Research Center of Sugarcane, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Yao-Hui Chen
- National Engineering Research Center of Sugarcane, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Li-Lan Chen
- National Engineering Research Center of Sugarcane, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Hui-Li Zhang
- National Engineering Research Center of Sugarcane, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Hua-Ying Fu
- National Engineering Research Center of Sugarcane, Fujian Agriculture and Forestry University, Fuzhou, China
| | - San-Ji Gao
- National Engineering Research Center of Sugarcane, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Ran Wang
- Institute of Plant Protection, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
| | - Hong-Lin Feng
- Department of Entomology, Louisiana State University, Baton Rouge, Louisiana, USA
| | - Jin-da Wang
- National Engineering Research Center of Sugarcane, Fujian Agriculture and Forestry University, Fuzhou, China
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Liu L, Sun Z, Tang R, Shi JH, Zhang LQ, Abdelnabby H, Zhang A, Wang MQ. Suprathreshold Water Spray Stimulus Enhances Plant Defenses against Biotic Stresses in Tomato. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024. [PMID: 39248366 DOI: 10.1021/acs.jafc.4c05131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/10/2024]
Abstract
Mechanical stimuli can affect plant growth, development, and defenses. The role of water spray stimulation, as a prevalent mechanical stimulus in the environment, in crop growth and defense cannot be overlooked. In this study, the effects of water spray on tomato plant growth and defense against the chewing herbivore Helicoverpa armigera and necrotrophic fungus Botrytis cinerea were investigated. Suprathreshold water spray stimulus (LS) was found to enhance tomato plant defenses against pests and pathogens while concurrently modifying plant architecture. The results of the phytohormone and chemical metabolite analysis revealed that LS improved the plant defense response via jasmonic acid (JA) signaling. LS significantly elevated the level of a pivotal defensive metabolite, chlorogenic acid, and reduced the emissions of volatile organic compounds (VOCs) from tomato plants, thereby defending against pest and pathogen attacks. The most obvious finding to emerge from this study is that LS enhances tomato plant defenses against biotic stresses, which will pave the way for further work on the application of mechanical stimuli for pest management.
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Affiliation(s)
- Le Liu
- College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, P. R. China
| | - Ze Sun
- College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, P. R. China
| | - Rui Tang
- College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, P. R. China
| | - Jin-Hua Shi
- College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, P. R. China
| | - Li-Qiong Zhang
- College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, P. R. China
| | - Hazem Abdelnabby
- Department of Plant Protection, Faculty of Agriculture, Benha University, Banha, Qalyubia 13736, Egypt
| | - Aijun Zhang
- Invasive Insect Biocontrol and Behavior Laboratory, Beltsville Agricultural Research Center-West, USDA, ARS, Beltsville, Maryland 20705-2350, United States
| | - Man-Qun Wang
- College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, P. R. China
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Chen Y, Jin G, Liu M, Wang L, Lou Y, Baldwin I, Li R. Multiomic analyses reveal key sectors of jasmonate-mediated defense responses in rice. THE PLANT CELL 2024; 36:3362-3377. [PMID: 38801741 PMCID: PMC11371138 DOI: 10.1093/plcell/koae159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Revised: 04/23/2024] [Accepted: 05/07/2024] [Indexed: 05/29/2024]
Abstract
The phytohormone jasmonate (JA) plays a central role in plant defenses against biotic stressors. However, our knowledge of the JA signaling pathway in rice (Oryza sativa) remains incomplete. Here, we integrated multiomic data from three tissues to characterize the functional modules involved in organizing JA-responsive genes. In the core regulatory sector, MYC2 transcription factor transcriptional cascades are conserved in different species but with distinct regulators (e.g. bHLH6 in rice), in which genes are early expressed across all tissues. In the feedback sector, MYC2 also regulates the expression of JA repressor and catabolic genes, providing negative feedback that truncates the duration of JA responses. For example, the MYC2-regulated NAC (NAM, ATAF1/2, and CUC2) transcription factor genes NAC1, NAC3, and NAC4 encode proteins that repress JA signaling and herbivore resistance. In the tissue-specific sector, many late-expressed genes are associated with the biosynthesis of specialized metabolites that mediate particular defensive functions. For example, the terpene synthase gene TPS35 is specifically induced in the leaf sheath and TPS35 functions in defense against oviposition by brown planthoppers and the attraction of this herbivore's natural enemies. Thus, by characterizing core, tissue-specific, and feedback sectors of JA-elicited defense responses, this work provides a valuable resource for future discoveries of key JA components in this important crop.
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Affiliation(s)
- Yumeng Chen
- State Key Laboratory of Rice Biology and Breeding, Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Insect Sciences, Zhejiang University, Hangzhou 310058, China
| | - Gaochen Jin
- State Key Laboratory of Rice Biology and Breeding, Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Insect Sciences, Zhejiang University, Hangzhou 310058, China
| | - Mengyu Liu
- State Key Laboratory of Rice Biology and Breeding, Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Insect Sciences, Zhejiang University, Hangzhou 310058, China
| | - Lanlan Wang
- Zhejiang Academy of Agricultural Sciences, Institute of Virology and Biotechnology, 310021 Hangzhou, China
| | - Yonggen Lou
- State Key Laboratory of Rice Biology and Breeding, Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Insect Sciences, Zhejiang University, Hangzhou 310058, China
| | - Ian Baldwin
- Department of Molecular Ecology, Max Planck Institute for Chemical Ecology, Jena 07745, Germany
| | - Ran Li
- State Key Laboratory of Rice Biology and Breeding, Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Insect Sciences, Zhejiang University, Hangzhou 310058, China
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Aerts N, Hickman R, Van Dijken AJH, Kaufmann M, Snoek BL, Pieterse CMJ, Van Wees SCM. Architecture and dynamics of the abscisic acid gene regulatory network. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2024; 119:2538-2563. [PMID: 38949092 DOI: 10.1111/tpj.16899] [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: 06/28/2023] [Accepted: 06/13/2024] [Indexed: 07/02/2024]
Abstract
The plant hormone abscisic acid (ABA) regulates essential processes in plant development and responsiveness to abiotic and biotic stresses. ABA perception triggers a post-translational signaling cascade that elicits the ABA gene regulatory network (GRN), encompassing hundreds of transcription factors (TFs) and thousands of transcribed genes. To further our knowledge of this GRN, we performed an RNA-seq time series experiment consisting of 14 time points in the 16 h following a one-time ABA treatment of 5-week-old Arabidopsis rosettes. During this time course, ABA rapidly changed transcription levels of 7151 genes, which were partitioned into 44 coexpressed modules that carry out diverse biological functions. We integrated our time-series data with publicly available TF-binding site data, motif data, and RNA-seq data of plants inhibited in translation, and predicted (i) which TFs regulate the different coexpression clusters, (ii) which TFs contribute the most to target gene amplitude, (iii) timing of engagement of different TFs in the ABA GRN, and (iv) hierarchical position of TFs and their targets in the multi-tiered ABA GRN. The ABA GRN was found to be highly interconnected and regulated at different amplitudes and timing by a wide variety of TFs, of which the bZIP family was most prominent, and upregulation of genes encompassed more TFs than downregulation. We validated our network models in silico with additional public TF-binding site data and transcription data of selected TF mutants. Finally, using a drought assay we found that the Trihelix TF GT3a is likely an ABA-induced positive regulator of drought tolerance.
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Affiliation(s)
- Niels Aerts
- Plant-Microbe Interactions, Department of Biology, Utrecht University, P.O. Box 800.56, 3508 TB, Utrecht, The Netherlands
| | - Richard Hickman
- Plant-Microbe Interactions, Department of Biology, Utrecht University, P.O. Box 800.56, 3508 TB, Utrecht, The Netherlands
| | - Anja J H Van Dijken
- Plant-Microbe Interactions, Department of Biology, Utrecht University, P.O. Box 800.56, 3508 TB, Utrecht, The Netherlands
| | - Michael Kaufmann
- Plant-Microbe Interactions, Department of Biology, Utrecht University, P.O. Box 800.56, 3508 TB, Utrecht, The Netherlands
| | - Basten L Snoek
- Theoretical Biology and Bioinformatics, Department of Biology, Utrecht University, P.O. Box 800.56, 3508 TB, Utrecht, The Netherlands
| | - Corné M J Pieterse
- Plant-Microbe Interactions, Department of Biology, Utrecht University, P.O. Box 800.56, 3508 TB, Utrecht, The Netherlands
| | - Saskia C M Van Wees
- Plant-Microbe Interactions, Department of Biology, Utrecht University, P.O. Box 800.56, 3508 TB, Utrecht, The Netherlands
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Huang D, Li J, Chen J, Yao S, Li L, Huang R, Tan Y, Ming R, Huang Y. Genome-wide identification and characterization of the JAZ gene family in Gynostemma pentaphyllum reveals the COI1/JAZ/MYC2 complex potential involved in the regulation of the MeJA-induced gypenoside biosynthesis. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 214:108952. [PMID: 39043058 DOI: 10.1016/j.plaphy.2024.108952] [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: 04/23/2024] [Revised: 07/16/2024] [Accepted: 07/17/2024] [Indexed: 07/25/2024]
Abstract
The Jasmonate ZIM domain (JAZ) proteins, functioning as critical suppressors for jasmonic acid (JA) signal transduction in plants, occupy crucial roles in multiple biological processes, particularly in the orchestration of secondary metabolic pathways. However, the mechanism underlying the JA-induced gypenosides accumulation in Gynostemma pentaphyllum remains poorly elucidated. Our research led to the identification of 11 distinct JAZ members in G. pentaphyllum (GpJAZs). According to the classification approach of AtJAZ, we allocated these members into five subgroups that shared similar conserved motif compositions. Subsequently, we identified the presence of various cis-acting elements associated with light stimuli, hormone responses, and stress signals within the promoter regions of the GpJAZ gene family. The expression levels of GpJAZ genes in different tissues were quite different, and the majority of GpJAZ genes exhibited varying degrees of response to methyl jasmonate (MeJA) induction. Yeast two-hybrid (Y2H) assays revealed interactions between GpJAZ1/2/4/5/7/9/10 and GpMYC2, whereas GpCOI1 protein was found to interact with GpJAZ1/2/4/5, thereby forming the COI1/JAZ/MYC2 complex. Furthermore, as an activator of gypenoside metabolic pathway, GpMYC2 could activate the promoter activity of the gypenoside metabolism-related genes to varying degrees by binding to their promoters, indicating that the COI1/JAZ/MYC2 module involved in the MeJA-induced regulation of gypenosides. In summary, our findings present an exhaustive examination of the JAZ gene family, furnishing a significant lead for delving deeper into the molecular mechanisms that drive the MeJA-induced enhancement of gypenosides accumulation in G. pentaphyllum.
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Affiliation(s)
- Ding Huang
- College of Pharmacy, Guangxi University of Chinese Medicine, Nanning, 530200, China
| | - Jinmei Li
- College of Pharmacy, Guangxi University of Chinese Medicine, Nanning, 530200, China
| | - Jianhua Chen
- College of Pharmacy, Guangxi University of Chinese Medicine, Nanning, 530200, China
| | - Shaochang Yao
- College of Pharmacy, Guangxi University of Chinese Medicine, Nanning, 530200, China
| | - Liangbo Li
- College of Pharmacy, Guangxi University of Chinese Medicine, Nanning, 530200, China
| | - Rongshao Huang
- College of Pharmacy, Guangxi University of Chinese Medicine, Nanning, 530200, China
| | - Yong Tan
- College of Pharmacy, Guangxi University of Chinese Medicine, Nanning, 530200, China
| | - Ruhong Ming
- College of Pharmacy, Guangxi University of Chinese Medicine, Nanning, 530200, China.
| | - Yue Huang
- School of Horticulture, Anhui Agricultural University, Anhui, 230036, China.
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Zhang Y, Cao Y, Jiang W, Ma Q, Shin J, Sun H, Cui J, Chen Y, Giraldo JP, Strano MS, Lowry GV, Sheen J, Marelli B. Polymeric Nanocarriers Autonomously Cross the Plant Cell Wall and Enable Protein Delivery for Stress Sensing. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2409356. [PMID: 39149770 DOI: 10.1002/adma.202409356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2024] [Revised: 08/07/2024] [Indexed: 08/17/2024]
Abstract
Delivery of proteins in plant cells can facilitate the design of desired functions by modulation of biological processes and plant traits but is currently limited by narrow host range, tissue damage, and poor scalability. Physical barriers in plants, including cell walls and membranes, limit protein delivery to desired plant tissues. Herein, a cationic high aspect ratio polymeric nanocarriers (PNCs) platform is developed to enable efficient protein delivery to plants. The cationic nature of PNCs binds proteins through electrostatic. The ability to precisely design PNCs' size and aspect ratio allowed us to find a cutoff of ≈14 nm in the cell wall, below which cationic PNCs can autonomously overcome the barrier and carry their cargo into plant cells. To exploit these findings, a reduction-oxidation sensitive green fluorescent protein (roGFP) is deployed as a stress sensor protein cargo in a model plant Nicotiana benthamiana and common crop plants, including tomato and maize. In vivo imaging of PNC-roGFP enabled optical monitoring of plant response to wounding, biotic, and heat stressors. These results show that PNCs can be precisely designed below the size exclusion limit of cell walls to overcome current limitations in protein delivery to plants and facilitate species-independent plant engineering.
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Affiliation(s)
- Yilin Zhang
- Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - Yunteng Cao
- Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - Wenzhi Jiang
- Department of Molecular Biology and Centre for Computational and Integrative Biology, Department of Genetics, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA
| | - Qingquan Ma
- School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Jinwoo Shin
- Department of Molecular Biology and Centre for Computational and Integrative Biology, Department of Genetics, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA
| | - Hui Sun
- Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - Jianqiao Cui
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - Yongsheng Chen
- School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Juan Pablo Giraldo
- Department of Botany and Plant Sciences, University of California, Riverside, CA, 92521, USA
| | - Michael S Strano
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - Gregory V Lowry
- Department of Civil and Environmental Engineering, Carnegie Mellon University, Pittsburgh, PA, 15213, USA
| | - Jen Sheen
- Department of Molecular Biology and Centre for Computational and Integrative Biology, Department of Genetics, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA
| | - Benedetto Marelli
- Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
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Váczy KZ, Otto M, Gomba-Tóth A, Geiger A, Golen R, Hegyi-Kaló J, Cels T, Geml J, Zsófi Z, Hegyi ÁI. Botrytis cinerea causes different plant responses in grape ( Vitis vinifera) berries during noble and grey rot: diverse metabolism versus simple defence. FRONTIERS IN PLANT SCIENCE 2024; 15:1433161. [PMID: 39166245 PMCID: PMC11333459 DOI: 10.3389/fpls.2024.1433161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/15/2024] [Accepted: 07/19/2024] [Indexed: 08/22/2024]
Abstract
The complexity of the interaction between the necrotrophic pathogen Botrytis cinerea and grape berries (Vitis vinifera spp.) can result in the formation of either the preferred noble rot (NR) or the loss-making grey rot (GR), depending on the prevailing climatic conditions. In this study, we focus on the functional gene set of V. vinifera by performing multidimensional scaling followed by differential expression and enrichment analyses. The aim of this study is to identify the differences in gene expression between grape berries in the phases of grey rot, noble rot, and developing rot (DR, in its early stages) phases. The grapevine transcriptome at the NR phase was found to exhibit significant differences from that at the DR and GR stages, which displayed strong similarities. Similarly, several plant defence-related pathways, including plant-pathogen interactions as hypersensitive plant responses were found to be enriched. The results of the analyses identified a potential plant stress response pathway (SGT1 activated hypersensitive response) that was found to be upregulated in the GR berry but downregulated in the NR berry. The study revealed a decrease in defence-related in V. vinifera genes during the NR stages, with a high degree of variability in functions, particularly in enriched pathways. This indicates that the plant is not actively defending itself against Botrytis cinerea, which is otherwise present on its surface with high biomass. This discrepancy underscores the notion that during the NR phase, the grapevine and the pathogenic fungi interact in a state of equilibrium. Conversely the initial stages of botrytis infection manifest as a virulent fungus-plant interaction, irrespective of whether the outcome is grey or noble rot.
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Affiliation(s)
- Kálmán Z. Váczy
- Food and Wine Research Institute, Eszterházy Károly Catholic University, Eger, Hungary
| | - Margot Otto
- Food and Wine Research Institute, Eszterházy Károly Catholic University, Eger, Hungary
- Centre for Epidemic Response and Innovation (CERI), Stellenbosch University, Stellenbosch, South Africa
| | - Adrienn Gomba-Tóth
- Food and Wine Research Institute, Eszterházy Károly Catholic University, Eger, Hungary
| | - Adrienn Geiger
- Food and Wine Research Institute, Eszterházy Károly Catholic University, Eger, Hungary
| | - Richárd Golen
- Food and Wine Research Institute, Eszterházy Károly Catholic University, Eger, Hungary
| | - Júlia Hegyi-Kaló
- Food and Wine Research Institute, Eszterházy Károly Catholic University, Eger, Hungary
| | - Thomas Cels
- Food and Wine Research Institute, Eszterházy Károly Catholic University, Eger, Hungary
| | - József Geml
- Food and Wine Research Institute, Eszterházy Károly Catholic University, Eger, Hungary
- HUN-REN-EKKE Lendület Environmental Microbiome Research Group, Eszterházy Károly Catholic University, Eger, Hungary
| | - Zsolt Zsófi
- Institute for Viticulture and Enology, Eszterházy Károly Catholic University, Eger, Hungary
| | - Ádám István Hegyi
- Food and Wine Research Institute, Eszterházy Károly Catholic University, Eger, Hungary
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Kerschbaumer B, Macheroux P, Bijelic A. Analysis of homodimer formation in 12-oxophytodienoate reductase 3 in solutio and crystallo challenges the physiological role of the dimer. Sci Rep 2024; 14:18093. [PMID: 39103552 PMCID: PMC11300593 DOI: 10.1038/s41598-024-69160-6] [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: 03/21/2024] [Accepted: 08/01/2024] [Indexed: 08/07/2024] Open
Abstract
12-oxophytodienoate reductase 3 (OPR3) is a key enzyme in the biosynthesis of jasmonoyl-L-isoleucine, the receptor-active form of jasmonic acid and crucial signaling molecule in plant defense. OPR3 was initially crystallized as a self-inhibitory dimer, implying that homodimerization regulates enzymatic activity in response to biotic and abiotic stresses. Since a sulfate ion is bound to Y364, mimicking a phosphorylated tyrosine, it was suggested that dimer formation might be controlled by reversible phosphorylation of Y364 in vivo. To investigate OPR3 homodimerization and its potential physiological role in more detail, we performed analytical gel filtration and dynamic light scattering on wild-type OPR3 and three variants (R283D, R283E, and Y364P). The experiments revealed a rapid and highly sensitive monomer-dimer equilibrium for all OPR3 constructs. We crystallized all constructs with and without sulfate to examine its effect on the dimerization process and whether reversible phosphorylation of Y364 triggers homodimerization in vivo. All OPR3 constructs crystallized in their monomeric and dimeric forms independent of the presence of sulfate. Even variant Y364P, lacking the putative phosphorylation site, was crystallized as a self-inhibitory homodimer, indicating that Y364 is not required for dimerization. Generally, the homodimer is relatively weak, and our results raise doubts about its physiological role in regulating jasmonate biosynthesis.
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Affiliation(s)
- Bianca Kerschbaumer
- Institute of Biochemistry, Graz University of Technology, Petersgasse 12/II, 8010, Graz, Austria
| | - Peter Macheroux
- Institute of Biochemistry, Graz University of Technology, Petersgasse 12/II, 8010, Graz, Austria
| | - Aleksandar Bijelic
- Institute of Biochemistry, Graz University of Technology, Petersgasse 12/II, 8010, Graz, Austria.
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Kaushik S, Ranjan A, Sidhu A, Singh AK, Sirhindi G. Cadmium toxicity: its' uptake and retaliation by plant defence system and ja signaling. Biometals 2024; 37:755-772. [PMID: 38206521 DOI: 10.1007/s10534-023-00569-8] [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: 05/22/2023] [Accepted: 12/05/2023] [Indexed: 01/12/2024]
Abstract
Cadmium (Cd+2) renders multifarious environmental stresses and highly toxic to nearly all living organisms including plants. Cd causes toxicity by unnecessary augmentation of ROS that targets essential molecules and fundamental processes in plants. In response, plants outfitted a repertory of mechanisms to offset Cd toxicity. The main elements of these are Cd chelation, sequestration into vacuoles, and adjustment of Cd uptake by transporters and escalation of antioxidative mechanism. Signal molecules like phytohormones and reactive oxygen species (ROS) activate the MAPK cascade, the activation of the antioxidant system andsynergistic crosstalk between different signal molecules in order to regulate plant responses to Cd toxicity. Transcription factors like WRKY, MYB, bHLH, bZIP, ERF, NAC etc., located downstream of MAPK, and are key factors in regulating Cd toxicity responses in plants. Apart from this, MAPK and Ca2+signaling also have a salient involvement in rectifying Cd stress in plants. This review highlighted the mechanism of Cd uptake, translocation, detoxification and the key role of defense system, MAPKs, Ca2+ signals and jasmonic acid in retaliating Cd toxicity via synchronous management of various other regulators and signaling components involved under stress condition.
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Affiliation(s)
- Shruti Kaushik
- Department of Botany, Punjabi University, Patiala, Punjab, 147002, India
| | - Alok Ranjan
- ICAR-National Institute for Plant Biotechnology, New Delhi, 110012, India
- Department of Biotechnology, Patna Women's College, Bihar, 800001, India
| | - Anmol Sidhu
- Department of Botany, Punjabi University, Patiala, Punjab, 147002, India
| | - Anil Kumar Singh
- ICAR-National Institute for Plant Biotechnology, New Delhi, 110012, India
| | - Geetika Sirhindi
- Department of Botany, Punjabi University, Patiala, Punjab, 147002, India.
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11
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Wang M, Zhu X, Huang Z, Chen M, Xu P, Liao S, Zhao Y, Gao Y, He J, Luo Y, Chen H, Wei X, Nie S, Dong J, Zhu L, Zhuang C, Zhao J, Liu Z, Zhou H. Controlling diurnal flower-opening time by manipulating the jasmonate pathway accelerates development of indica-japonica hybrid rice breeding. PLANT BIOTECHNOLOGY JOURNAL 2024; 22:2267-2281. [PMID: 38526838 PMCID: PMC11258973 DOI: 10.1111/pbi.14343] [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: 10/03/2023] [Revised: 02/21/2024] [Accepted: 03/08/2024] [Indexed: 03/27/2024]
Abstract
Inter-subspecific indica-japonica hybrid rice (Oryza sativa) has the potential for increased yields over traditional indica intra-subspecies hybrid rice, but limited yield of F1 hybrid seed production (FHSP) hinders the development of indica-japonica hybrid rice breeding. Diurnal flower-opening time (DFOT) divergence between indica and japonica rice has been a major contributing factor to this issue, but few DFOT genes have been cloned. Here, we found that manipulating the expression of jasmonate (JA) pathway genes can effectively modulate DFOT to improve the yield of FHSP in rice. Treating japonica cultivar Zhonghua 11 (ZH11) with methyl jasmonate (MeJA) substantially advanced DFOT. Furthermore, overexpressing the JA biosynthesis gene OPDA REDUCTASE 7 (OsOPR7) and knocking out the JA inactivation gene CHILLING TOLERANCE 1 (OsHAN1) in ZH11 advanced DFOT by 1- and 2-h respectively; and knockout of the JA signal suppressor genes JASMONATE ZIM-DOMAIN PROTEIN 7 (OsJAZ7) and OsJAZ9 resulted in 50-min and 1.5-h earlier DFOT respectively. The yields of FHSP using japonica male-sterile lines GAZS with manipulated JA pathway genes were significantly higher than that of GAZS wildtype. Transcriptome analysis, cytological observations, measurements of elastic modulus and determination of cell wall components indicated that the JA pathway could affect the loosening of the lodicule cell walls by regulating their composition through controlling sugar metabolism, which in turn influences DFOT. This research has vital implications for breeding japonica rice cultivars with early DFOT to facilitate indica-japonica hybrid rice breeding.
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Affiliation(s)
- Mumei Wang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro‐bioresourcesGuangdong Laboratory for Lingnan Modern AgricultureKey Laboratory for Enhancing Resource Use Efficiency of Crops in South ChinaMinistry of Agriculture and Rural AffairsCollege of Life SciencesSouth China Agricultural UniversityGuangzhouChina
- Guangdong Provincial Key Laboratory of Utilization and Conservation of Food and Medicinal Resources in Northern RegionShaoguan UniversityShaoguanChina
| | - Xiaopei Zhu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro‐bioresourcesGuangdong Laboratory for Lingnan Modern AgricultureKey Laboratory for Enhancing Resource Use Efficiency of Crops in South ChinaMinistry of Agriculture and Rural AffairsCollege of Life SciencesSouth China Agricultural UniversityGuangzhouChina
| | - Zhen Huang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro‐bioresourcesGuangdong Laboratory for Lingnan Modern AgricultureKey Laboratory for Enhancing Resource Use Efficiency of Crops in South ChinaMinistry of Agriculture and Rural AffairsCollege of Life SciencesSouth China Agricultural UniversityGuangzhouChina
| | - Minghao Chen
- State Key Laboratory for Conservation and Utilization of Subtropical Agro‐bioresourcesGuangdong Laboratory for Lingnan Modern AgricultureKey Laboratory for Enhancing Resource Use Efficiency of Crops in South ChinaMinistry of Agriculture and Rural AffairsCollege of Life SciencesSouth China Agricultural UniversityGuangzhouChina
| | - Peng Xu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro‐bioresourcesGuangdong Laboratory for Lingnan Modern AgricultureKey Laboratory for Enhancing Resource Use Efficiency of Crops in South ChinaMinistry of Agriculture and Rural AffairsCollege of Life SciencesSouth China Agricultural UniversityGuangzhouChina
| | - Shitang Liao
- State Key Laboratory for Conservation and Utilization of Subtropical Agro‐bioresourcesGuangdong Laboratory for Lingnan Modern AgricultureKey Laboratory for Enhancing Resource Use Efficiency of Crops in South ChinaMinistry of Agriculture and Rural AffairsCollege of Life SciencesSouth China Agricultural UniversityGuangzhouChina
| | - Yongzhen Zhao
- State Key Laboratory for Conservation and Utilization of Subtropical Agro‐bioresourcesGuangdong Laboratory for Lingnan Modern AgricultureKey Laboratory for Enhancing Resource Use Efficiency of Crops in South ChinaMinistry of Agriculture and Rural AffairsCollege of Life SciencesSouth China Agricultural UniversityGuangzhouChina
| | - Yannan Gao
- State Key Laboratory for Conservation and Utilization of Subtropical Agro‐bioresourcesGuangdong Laboratory for Lingnan Modern AgricultureKey Laboratory for Enhancing Resource Use Efficiency of Crops in South ChinaMinistry of Agriculture and Rural AffairsCollege of Life SciencesSouth China Agricultural UniversityGuangzhouChina
| | - Jiahui He
- State Key Laboratory for Conservation and Utilization of Subtropical Agro‐bioresourcesGuangdong Laboratory for Lingnan Modern AgricultureKey Laboratory for Enhancing Resource Use Efficiency of Crops in South ChinaMinistry of Agriculture and Rural AffairsCollege of Life SciencesSouth China Agricultural UniversityGuangzhouChina
| | - Yutong Luo
- State Key Laboratory for Conservation and Utilization of Subtropical Agro‐bioresourcesGuangdong Laboratory for Lingnan Modern AgricultureKey Laboratory for Enhancing Resource Use Efficiency of Crops in South ChinaMinistry of Agriculture and Rural AffairsCollege of Life SciencesSouth China Agricultural UniversityGuangzhouChina
| | - Huixuan Chen
- State Key Laboratory for Conservation and Utilization of Subtropical Agro‐bioresourcesGuangdong Laboratory for Lingnan Modern AgricultureKey Laboratory for Enhancing Resource Use Efficiency of Crops in South ChinaMinistry of Agriculture and Rural AffairsCollege of Life SciencesSouth China Agricultural UniversityGuangzhouChina
| | - Xiaoying Wei
- State Key Laboratory for Conservation and Utilization of Subtropical Agro‐bioresourcesGuangdong Laboratory for Lingnan Modern AgricultureKey Laboratory for Enhancing Resource Use Efficiency of Crops in South ChinaMinistry of Agriculture and Rural AffairsCollege of Life SciencesSouth China Agricultural UniversityGuangzhouChina
| | - Shuai Nie
- Rice Research InstituteGuangdong Academy of Agricultural Sciences & Guangdong Key Laboratory of New Technology in Rice Breeding & Guangdong Rice Engineering LaboratoryGuangzhouChina
| | - Jingfang Dong
- Rice Research InstituteGuangdong Academy of Agricultural Sciences & Guangdong Key Laboratory of New Technology in Rice Breeding & Guangdong Rice Engineering LaboratoryGuangzhouChina
| | - Liya Zhu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro‐bioresourcesGuangdong Laboratory for Lingnan Modern AgricultureKey Laboratory for Enhancing Resource Use Efficiency of Crops in South ChinaMinistry of Agriculture and Rural AffairsCollege of Life SciencesSouth China Agricultural UniversityGuangzhouChina
| | - Chuxiong Zhuang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro‐bioresourcesGuangdong Laboratory for Lingnan Modern AgricultureKey Laboratory for Enhancing Resource Use Efficiency of Crops in South ChinaMinistry of Agriculture and Rural AffairsCollege of Life SciencesSouth China Agricultural UniversityGuangzhouChina
| | - Junliang Zhao
- Rice Research InstituteGuangdong Academy of Agricultural Sciences & Guangdong Key Laboratory of New Technology in Rice Breeding & Guangdong Rice Engineering LaboratoryGuangzhouChina
| | - Zhenlan Liu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro‐bioresourcesGuangdong Laboratory for Lingnan Modern AgricultureKey Laboratory for Enhancing Resource Use Efficiency of Crops in South ChinaMinistry of Agriculture and Rural AffairsCollege of Life SciencesSouth China Agricultural UniversityGuangzhouChina
| | - Hai Zhou
- State Key Laboratory for Conservation and Utilization of Subtropical Agro‐bioresourcesGuangdong Laboratory for Lingnan Modern AgricultureKey Laboratory for Enhancing Resource Use Efficiency of Crops in South ChinaMinistry of Agriculture and Rural AffairsCollege of Life SciencesSouth China Agricultural UniversityGuangzhouChina
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12
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Li X, Lin C, Lan C, Tao Z. Genetic and epigenetic basis of phytohormonal control of floral transition in plants. JOURNAL OF EXPERIMENTAL BOTANY 2024; 75:4180-4194. [PMID: 38457356 DOI: 10.1093/jxb/erae105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Accepted: 03/06/2024] [Indexed: 03/10/2024]
Abstract
The timing of the developmental transition from the vegetative to the reproductive stage is critical for angiosperms, and is fine-tuned by the integration of endogenous factors and external environmental cues to ensure successful reproduction. Plants have evolved sophisticated mechanisms to response to diverse environmental or stress signals, and these can be mediated by hormones to coordinate flowering time. Phytohormones such as gibberellin, auxin, cytokinin, jasmonate, abscisic acid, ethylene, and brassinosteroids and the cross-talk among them are critical for the precise regulation of flowering time. Recent studies of the model flowering plant Arabidopsis have revealed that diverse transcription factors and epigenetic regulators play key roles in relation to the phytohormones that regulate floral transition. This review aims to summarize our current knowledge of the genetic and epigenetic mechanisms that underlie the phytohormonal control of floral transition in Arabidopsis, offering insights into how these processes are regulated and their implications for plant biology.
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Affiliation(s)
- Xiaoxiao Li
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou 310058, China
| | - Chuyu Lin
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou 310058, China
| | - Chenghao Lan
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou 310058, China
| | - Zeng Tao
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou 310058, China
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13
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Nishizato Y, Muraoka Y, Morikawa M, Saito R, Kaji T, Ueda M. Identification of "modified OPDA (mo-OPDA)" as a Michael adduct of cis-OPDA. Biosci Biotechnol Biochem 2024; 88:885-891. [PMID: 38697935 DOI: 10.1093/bbb/zbae056] [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: 03/26/2024] [Accepted: 04/30/2024] [Indexed: 05/05/2024]
Abstract
cis-(+)-12-Oxo-phytodienoic acid (cis-OPDA) is a significant plant oxylipin, known as a biosynthetic precursor of the plant hormone jasmonoyl-l-isoleucine (JA-Ile), and a bioactive substance in plant environmental stresses. A recent study showed that a plant dioxygenase, Jasmonate Induced Dioxygenase 1 (JID1), converts cis-OPDA into an unidentified metabolite termed "modified-OPDA (mo-OPDA)" in Arabidopsis thaliana. Here, using ultra-performance liquid chromatography coupled with triple quad mass spectrometry (UPLC-MS/MS) experiment, the chemical identity of "mo-OPDA" was demonstrated and identified as a conjugate between cis-OPDA and 2-mercaptoethanol (cis-OPDA-2ME), an artifact produced by Michael addition during the JID1 digestion of cis-OPDA. However, previous reports demonstrated a decreased accumulation of cis-OPDA in the JID1-OE line, suggesting the existence of an unknown JID1-mediated mechanism regulating the level of cis-OPDA in A. thaliana.
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Affiliation(s)
- Yuho Nishizato
- Graduate School of Science, Tohoku University, Sendai, Japan
| | - Yuki Muraoka
- Graduate School of Science, Tohoku University, Sendai, Japan
| | - Mai Morikawa
- Graduate School of Life Science, Tohoku University, Sendai, Japan
| | - Rina Saito
- Graduate School of Life Science, Tohoku University, Sendai, Japan
| | - Takuya Kaji
- Graduate School of Science, Tohoku University, Sendai, Japan
| | - Minoru Ueda
- Graduate School of Science, Tohoku University, Sendai, Japan
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14
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Wang X, Luo X, Guo J, Yang N, Wan F, Lü Z, Liu W. An effector of Phthorimaea absoluta oral secretions inhibits host plant defense. iScience 2024; 27:110154. [PMID: 39050704 PMCID: PMC11267060 DOI: 10.1016/j.isci.2024.110154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 04/20/2024] [Accepted: 05/28/2024] [Indexed: 07/27/2024] Open
Abstract
Insects have evolved effectors to regulate host defenses for efficient feeding, yet their impact on chewing insects, like the tomato leaf miner (Phthorimaea absoluta), a significant pest, is poorly understood. We used RNAi to target the REPAT38 gene in larvae, monitoring changes at 0.5, 1, 2, and 4 h in leaf stomata, plant hormone concentrations (jasmonic acid (JA), jasmonoyl-L-isoleucine (JA-Ile), salicylic acid (SA), ethylene (ET), and abscisic acid (ABA)), and 12 hormone-responsive genes to explore the molecular mechanism of REPAT38-mediated plant-insect interactions. The results showed that the effector induced stomatal closure at 0.5 h and inhibited the synthesis of JA, ET, and ABA at 1 h. Additionally, seven plant hormone-responsive genes-AOC, MYC2, ACS1A, PAL, PR1, EIL2, and SRK2E-were inhibited at various time points. Our data suggest that REPAT38, as an effector with conserved functions, can weaken tomato host defenses and conducive to insect adaptation to host plants.
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Affiliation(s)
- Xiaodi Wang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Xuqing Luo
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Jianyang Guo
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Nianwan Yang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
- Institute of Western Agriculture, Chinese Academy of Agricultural Sciences, Changji 831100, P.R. China
| | - Fanghao Wan
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Zhichuang Lü
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Wanxue Liu
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
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15
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Kaji T, Nishizato Y, Yoshimatsu H, Yoda A, Liang W, Chini A, Fernández-Barbero G, Nozawa K, Kyozuka J, Solano R, Ueda M. Δ 4-dn- iso-OPDA, a bioactive plant hormone of Marchantia polymorpha. iScience 2024; 27:110191. [PMID: 38974968 PMCID: PMC11225365 DOI: 10.1016/j.isci.2024.110191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Revised: 05/09/2024] [Accepted: 06/03/2024] [Indexed: 07/09/2024] Open
Abstract
Significant progress has been recently made in our understanding of the evolution of jasmonates biosynthesis and signaling. The bioactive jasmonate activating COI1-JAZ co-receptor differs in bryophytes and vascular plants. Dinor-iso-12-oxo-phytodienoic acid (dn-iso-OPDA) is the bioactive hormone in bryophytes and lycophytes. However, further studies showed that the full activation of hormone signaling in Marchantia polymorpha requires additional unidentified hormones. Δ4-dn-OPDAs were previously identified as novel bioactive jasmonates in M. polymorpha. In this paper, we describe the major bioactive isomer of Δ4-dn-OPDAs as Δ4-dn-iso-OPDA through chemical synthesis, receptor binding assay, and biological activity in M. polymorpha. In addition, we disclosed that Δ4-dn-cis-OPDA is a biosynthetic precursor of Δ4-dn-iso-OPDA. We demonstrated that in planta cis-to-iso conversion of Δ4-dn-cis-OPDA occurs in the biosynthesis of Δ4-dn-iso-OPDA, defining a key biosynthetic step in the chemical evolution of hormone structure. We predict that these findings will facilitate further understanding of the molecular evolution of plant hormone signaling.
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Affiliation(s)
- Takuya Kaji
- Graduate School of Science, Tohoku University, 6-3, Aramaki-Aza-Aoba, Aoba-ku, Sendai 980-8578, Japan
| | - Yuho Nishizato
- Graduate School of Science, Tohoku University, 6-3, Aramaki-Aza-Aoba, Aoba-ku, Sendai 980-8578, Japan
| | - Hidenori Yoshimatsu
- Graduate School of Science, Tohoku University, 6-3, Aramaki-Aza-Aoba, Aoba-ku, Sendai 980-8578, Japan
| | - Akiyoshi Yoda
- Graduate School of Life Sciences, Tohoku University, 2-1-1, Katahira, Aoba-ku, Sendai 980-8577, Japan
| | - Wenting Liang
- Plant Molecular Genetics Department, National Centre for Biotechnology (CNB), Consejo Superior de Investigaciones Cientificas (CSIC), Campus University Autonoma, 28049 Madrid, Spain
| | - Andrea Chini
- Plant Molecular Genetics Department, National Centre for Biotechnology (CNB), Consejo Superior de Investigaciones Cientificas (CSIC), Campus University Autonoma, 28049 Madrid, Spain
| | - Gemma Fernández-Barbero
- Plant Molecular Genetics Department, National Centre for Biotechnology (CNB), Consejo Superior de Investigaciones Cientificas (CSIC), Campus University Autonoma, 28049 Madrid, Spain
| | - Kei Nozawa
- Graduate School of Science, Tohoku University, 6-3, Aramaki-Aza-Aoba, Aoba-ku, Sendai 980-8578, Japan
| | - Junko Kyozuka
- Graduate School of Life Sciences, Tohoku University, 2-1-1, Katahira, Aoba-ku, Sendai 980-8577, Japan
| | - Roberto Solano
- Plant Molecular Genetics Department, National Centre for Biotechnology (CNB), Consejo Superior de Investigaciones Cientificas (CSIC), Campus University Autonoma, 28049 Madrid, Spain
| | - Minoru Ueda
- Graduate School of Science, Tohoku University, 6-3, Aramaki-Aza-Aoba, Aoba-ku, Sendai 980-8578, Japan
- Department of Molecular and Chemical Life Sciences, Graduate School of Life Sciences, Tohoku University, Sendai 980-8577, Japan
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16
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Lin C, Lan C, Li X, Xie W, Lin F, Liang Y, Tao Z. A pair of nuclear factor Y transcription factors act as positive regulators in jasmonate signaling and disease resistance in Arabidopsis. JOURNAL OF INTEGRATIVE PLANT BIOLOGY 2024. [PMID: 38953749 DOI: 10.1111/jipb.13732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2024] [Accepted: 06/12/2024] [Indexed: 07/04/2024]
Abstract
The plant hormone jasmonate (JA) regulates plant growth and immunity by orchestrating a genome-wide transcriptional reprogramming. In the resting stage, JASMONATE-ZIM DOMAIN (JAZ) proteins act as main repressors to regulate the expression of JA-responsive genes in the JA signaling pathway. However, the mechanisms underlying de-repression of JA-responsive genes in response to JA treatment remain elusive. Here, we report two nuclear factor Y transcription factors NF-YB2 and NF-YB3 (thereafter YB2 and YB3) play key roles in such de-repression in Arabidopsis. YB2 and YB3 function redundantly and positively regulate plant resistance against the necrotrophic pathogen Botrytis cinerea, which are specially required for transcriptional activation of a set of JA-responsive genes following inoculation. Furthermore, YB2 and YB3 modulated their expression through direct occupancy and interaction with histone demethylase Ref6 to remove repressive histone modifications. Moreover, YB2 and YB3 physically interacted with JAZ repressors and negatively modulated their abundance, which in turn attenuated the inhibition of JAZ proteins on the transcription of JA-responsive genes, thereby activating JA response and promoting disease resistance. Overall, our study reveals the positive regulators of YB2 and YB3 in JA signaling by positively regulating transcription of JA-responsive genes and negatively modulating the abundance of JAZ proteins.
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Affiliation(s)
- Chuyu Lin
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Chenghao Lan
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Xiaoxiao Li
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Wei Xie
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Fucheng Lin
- State Key Laboratory for Managing Biotic and Chemical Treats to the Quality and Safety of Agro-products, Institute of Biotechnology, Zhejiang University, Hangzhou, 311400, China
| | - Yan Liang
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Zeng Tao
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou, 310058, China
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Li K, Ji C, Fu G, Chen Y, Tian H, Yao Q, Li C, Xie H. Enhanced phytoremediation of 2,4-DNP-contaminated wastewater by Salix matsudana Koidz with MeJA pretreatment and associated mechanism. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:45734-45746. [PMID: 38972947 DOI: 10.1007/s11356-024-34221-w] [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: 09/15/2023] [Accepted: 06/29/2024] [Indexed: 07/09/2024]
Abstract
2,4-Dinitrophenol (2,4-DNP) is recognized as an emerging contaminant due to its high toxicity and poor biodegradability, posing a threat to animals, plants, and human health. The efficient removal of 2,4-DNP remains a challenging issue in phytoremediation research, particularly because of its toxic effects on plants. To address this, a hydroponic simulation experiment was conducted to investigate the impact of adding exogenous methyl jasmonate (MeJA) on the tolerance and purification capabilities of Salix matsudana Koidz (S. matsudana) seedlings exposed to 2,4-DNP. The results indicated that the addition of exogenous MeJA mitigated the damage caused by 2,4-DNP to S. matsudana seedlings by enhancing the activity of antioxidant enzymes, reducing excess reactive oxygen species (ROS), lowering membrane lipid peroxidation, and minimizing membrane damage. Notably, the most effective alleviation was observed with the addition of 50 mg·L-1 MeJA. Furthermore, exogenous MeJA helped maintain the biomass indices of S. matsudana seedlings under 2,4-DNP stress and increased the removal efficiency of 2,4-DNP by these seedlings. Specifically, the addition of 50 mg·L-1 MeJA resulted in a removal percentage of 79.57%, which was 11.88% higher than that achieved with 2,4-DNP treatment. In conclusion, exogenous MeJA can improve the plant resistance and enhance 2,4-DNP phytoremediation.
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Affiliation(s)
- Kun Li
- Mountain Tai Forest Ecosystem Research Station of State Forestry Administration/Key Laboratory of State Forestry Administration for Silviculture of the Lower Yellow River, Tai'an, 271018, Shandong, China
| | - Chao Ji
- College of Seed and Facility Agricultural Engineering, Weifang University, No. 5147, Dongfeng East Street, Weifang, 261061, Shandong, China
| | - Guilong Fu
- Mountain Tai Forest Ecosystem Research Station of State Forestry Administration/Key Laboratory of State Forestry Administration for Silviculture of the Lower Yellow River, Tai'an, 271018, Shandong, China
| | - Yu Chen
- Mountain Tai Forest Ecosystem Research Station of State Forestry Administration/Key Laboratory of State Forestry Administration for Silviculture of the Lower Yellow River, Tai'an, 271018, Shandong, China
| | - Huimei Tian
- Mountain Tai Forest Ecosystem Research Station of State Forestry Administration/Key Laboratory of State Forestry Administration for Silviculture of the Lower Yellow River, Tai'an, 271018, Shandong, China
| | - Qi Yao
- Mount Tai Scenic Spot Management Committee, Tai'an, 271000, China
| | - Chuanrong Li
- Mountain Tai Forest Ecosystem Research Station of State Forestry Administration/Key Laboratory of State Forestry Administration for Silviculture of the Lower Yellow River, Tai'an, 271018, Shandong, China
| | - Huicheng Xie
- Mountain Tai Forest Ecosystem Research Station of State Forestry Administration/Key Laboratory of State Forestry Administration for Silviculture of the Lower Yellow River, Tai'an, 271018, Shandong, China.
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18
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Xu H, Teng H, Zhang B, Liu W, Sui Y, Yan X, Wang Z, Cui H, Zhang H. NtHD9 modulates plant salt tolerance by regulating the formation of glandular trichome heads in Nicotiana tabacum. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 212:108765. [PMID: 38795550 DOI: 10.1016/j.plaphy.2024.108765] [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: 04/03/2024] [Revised: 05/13/2024] [Accepted: 05/21/2024] [Indexed: 05/28/2024]
Abstract
Salt stress is one of the main abiotic factor affecting plant growth. We have previously identified a key gene (NtHD9) in Nicotiana tabacum L. that positively regulates the formation of long glandular trichomes (LGTs). Here, we verified that both abiotic stress (aphids, drought and salt stress) could restore the phenotype lacking LGTs in NtHD9-knockout (NtHD9-KO) plants. The abiotic stress response assays indicated that NtHD9 is highly sensitive to salt stress. Compared with cultivated tobacco "K326" (CK) plants, NtHD9-overexpressing (NtHD9-OE) plants with more LGTs exhibited stronger salt tolerance, whereas NtHD9-KO with no LGTs showed weaker tolerance to salt. The densities and sizes of the glandular heads gradually increased with increasing NaCl concentrations in NtHD9-KO plants. Mineral element determination showed that leaves and trichomes of NtHD9-OE plants accumulated less Na+ but had higher K+ contents under salt stress, thus maintaining ion homeostasis in plants, which could contribute to a robust photosynthetic and antioxidant system under salt stress. Therefore, NtHD9-OE plants maintained a larger leaf area and root length under high-salt conditions than CK and NtHD9-KO plants. We verified that NtHD9 could individually interact with NtHD5, NtHD7, NtHD12, and NtJAZ10 proteins. Salt stress led to an increase in jasmonic acid (JA) levels and activated the expression of NtHDs while inhibiting the expression of NtJAZ. This study suggests that the glandular heads play an important role in plant resistance to salt stress. The activation of JA signaling leading to JAZ protein degradation may be key factors regulating the glandular heads development under salt stress.
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Affiliation(s)
- Hanchi Xu
- Key Laboratory for Cultivation of Tobacco Industry, College of Tobacco Science, Henan Agricultural University, Zhengzhou, 450046, China
| | - Huanyu Teng
- Key Laboratory for Cultivation of Tobacco Industry, College of Tobacco Science, Henan Agricultural University, Zhengzhou, 450046, China
| | - Bokai Zhang
- Key Laboratory for Cultivation of Tobacco Industry, College of Tobacco Science, Henan Agricultural University, Zhengzhou, 450046, China
| | - Wei Liu
- Key Laboratory for Cultivation of Tobacco Industry, College of Tobacco Science, Henan Agricultural University, Zhengzhou, 450046, China
| | - Yalin Sui
- Key Laboratory for Cultivation of Tobacco Industry, College of Tobacco Science, Henan Agricultural University, Zhengzhou, 450046, China
| | - Xiaoxiao Yan
- Key Laboratory for Cultivation of Tobacco Industry, College of Tobacco Science, Henan Agricultural University, Zhengzhou, 450046, China
| | - Zhaojun Wang
- Key Laboratory for Cultivation of Tobacco Industry, College of Tobacco Science, Henan Agricultural University, Zhengzhou, 450046, China
| | - Hong Cui
- Key Laboratory for Cultivation of Tobacco Industry, College of Tobacco Science, Henan Agricultural University, Zhengzhou, 450046, China.
| | - Hongying Zhang
- Key Laboratory for Cultivation of Tobacco Industry, College of Tobacco Science, Henan Agricultural University, Zhengzhou, 450046, China.
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Ju JF, Yang L, Shen C, Li JC, Hoffmann AA, Huang YX, Zhu F, Ji R, Luo GH, Fang JC. Defence and nutrition synergistically contribute to the distinct tolerance of rice subspecies to the stem borer, Chilo suppressalis. PLANT, CELL & ENVIRONMENT 2024; 47:2426-2442. [PMID: 38497544 DOI: 10.1111/pce.14889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2024] [Revised: 03/06/2024] [Accepted: 03/07/2024] [Indexed: 03/19/2024]
Abstract
Damage caused by the rice striped stem borer (SSB), Chilo suppressalis (Walker) (Lepidoptera: Pyralidae), is much more severe on indica/xian rice than on japonica/geng rice (Oryza sativa) which matches pest outbreak data in cropping regions of China. The mechanistic basis of this difference among rice subspecies remains unclear. Using transcriptomic, metabolomic and genetic analyses in combination with insect bioassay experiments, we showed that japonica and indica rice utilise different defence responses to repel SSB, and that SSB exploited plant nutrition deficiencies in different ways in the subspecies. The more resistant japonica rice induced patterns of accumulation of methyl jasmonate (MeJA-part of a defensive pathway) and vitamin B1 (VB1-a nutrition pathway) distinct from indica cultivars. Using gene-edited rice plants and SSB bioassays, we found that MeJA and VB1 jointly affected the performance of SSB by disrupting juvenile hormone levels. In addition, genetic variants of key biosynthesis genes in the MeJA and VB1 pathways (OsJMT and OsTH1, respectively) differed between japonica and indica rice and contributed to performance differences; in indica rice, SSB avoided the MeJA defence pathway and hijacked the VB1 nutrition-related pathway to promote development. The findings highlight important genetic and mechanistic differences between rice subspecies affecting SSB damage which could be exploited in plant breeding for resistance.
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Affiliation(s)
- Jia-Fei Ju
- Jiangsu Key Laboratory for Food and Safety (State Key Laboratory Cultivation Base of Ministry of Science and Technology), Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Lei Yang
- Jiangsu Key Laboratory for Food and Safety (State Key Laboratory Cultivation Base of Ministry of Science and Technology), Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Chen Shen
- Jiangsu Key Laboratory for Food and Safety (State Key Laboratory Cultivation Base of Ministry of Science and Technology), Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Jian-Cai Li
- CAS Key Laboratory of Insect Developmental and Evolutionary Biology, Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai, China
| | - Ary A Hoffmann
- School of BioSciences, Bio21 Institute, The University of Melbourne, Melbourne, Victoria, Australia
| | - Yu-Xuan Huang
- Jiangsu Key Laboratory for Food and Safety (State Key Laboratory Cultivation Base of Ministry of Science and Technology), Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Feng Zhu
- Jiangsu Plant Protection and Quarantine Station, Nanjing, China
| | - Rui Ji
- Jiangsu Key Laboratory for Food and Safety (State Key Laboratory Cultivation Base of Ministry of Science and Technology), Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Guang-Hua Luo
- Jiangsu Key Laboratory for Food and Safety (State Key Laboratory Cultivation Base of Ministry of Science and Technology), Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Ji-Chao Fang
- Jiangsu Key Laboratory for Food and Safety (State Key Laboratory Cultivation Base of Ministry of Science and Technology), Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Nanjing, China
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20
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Xu X, Hu J, Yuan Z. Stabilization or degradation? Post-translational modifications of JAZ proteins in plants. MOLECULAR PLANT 2024; 17:1002-1004. [PMID: 38902922 DOI: 10.1016/j.molp.2024.06.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2024] [Revised: 06/17/2024] [Accepted: 06/18/2024] [Indexed: 06/22/2024]
Affiliation(s)
- Xiaoyan Xu
- Joint International Research Laboratory of Metabolic & Developmental Sciences, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Jianping Hu
- Department of Energy Plant Research Laboratory and Plant Biology Department, Michigan State University, East Lansing, MI 48824, USA
| | - Zheng Yuan
- Joint International Research Laboratory of Metabolic & Developmental Sciences, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, China.
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21
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Saito R, Morikawa M, Muto T, Saito S, Kaji T, Ueda M. SlCYP94B18 and SlCYP94B19 monooxygenases for the catabolic turnover of jasmonates in tomato leaves. PHYTOCHEMISTRY 2024; 223:114141. [PMID: 38750708 DOI: 10.1016/j.phytochem.2024.114141] [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: 01/26/2024] [Revised: 05/12/2024] [Accepted: 05/12/2024] [Indexed: 05/19/2024]
Abstract
(3R,7S)-Jasmonoyl-L-isoleucine (JA-Ile) is a plant hormone that regulates plant defense responses and other physiological functions. The mechanism of attenuation of JA-Ile signaling in the plant body is essential because prolonged JA-Ile signaling can be detrimental to plant survival. In Arabidopsis thaliana, the cytochrome P450 monooxygenases, CYP94B1/B3/C1, inactivate JA-Ile by converting it into 12-hydroxy-jasmonoyl-L-isoleucine (12-OH-JA-Ile), and CYP94C1 converts 12-OH-JA-Ile into 12-carboxy-jasmonoyl-L-isoleucine (12-COOH-JA-Ile). In the present study, we aimed to identify the cytochrome P450 monooxygenases involved in the catabolic pathway of JA-Ile in tomato leaves. Based on a gene expression screening of SlCYP94 subfamily monooxygenases using qPCR and the time-course of JA-Ile catabolism, we identified SlCYP94B18 and SlCYP94B19 expressed in tomato leaves as candidate monooxygenases catalyzing the two-step catabolism of JA-Ile. An in vitro enzymatic assay using a yeast expression system revealed that these enzymes efficiently converted JA-Ile to 12-OH-JA-Ile, and then to 12-COOH-JA-Ile. SlCYP94B18 and SlCYP94B19 also catalyzed the oxidative catabolism of several JA-amino acid conjugates (JA-AAs), JA-Leu and JA-Val, in tomatoes. These results suggest that SlCYP94B18 and SlCYP94B19 plays a role in the two-step oxidation of JA-AAs, suggesting their broad involvement in regulating jasmonate signaling in tomatoes. Our results contribute to a deeper understanding of jasmonate signaling in tomatoes and may help to improve tomato cultivation and quality.
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Affiliation(s)
- Rina Saito
- Graduate School of Life Sciences, Tohoku University, 6-3, Aramaki-Aza-Aoba, Aoba-ku, Sendai, 980-8578, Japan
| | - Mai Morikawa
- Graduate School of Science, Tohoku University, 6-3, Aramaki-Aza-Aoba, Aoba-ku, Sendai, 980-8578, Japan
| | - Toshiya Muto
- Graduate School of Life Sciences, Tohoku University, 6-3, Aramaki-Aza-Aoba, Aoba-ku, Sendai, 980-8578, Japan
| | - Sayaka Saito
- Graduate School of Life Sciences, Tohoku University, 6-3, Aramaki-Aza-Aoba, Aoba-ku, Sendai, 980-8578, Japan
| | - Takuya Kaji
- Graduate School of Science, Tohoku University, 6-3, Aramaki-Aza-Aoba, Aoba-ku, Sendai, 980-8578, Japan
| | - Minoru Ueda
- Graduate School of Life Sciences, Tohoku University, 6-3, Aramaki-Aza-Aoba, Aoba-ku, Sendai, 980-8578, Japan; Graduate School of Science, Tohoku University, 6-3, Aramaki-Aza-Aoba, Aoba-ku, Sendai, 980-8578, Japan.
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22
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Lewandowska M, Zienkiewicz K, Zienkiewicz A, Kelly A, König S, Feussner K, Kunst L, Feussner I. Wounding Triggers Wax Biosynthesis in Arabidopsis Leaves in an Abscisic Acid-Dependent and Jasmonoyl-Isoleucine-Dependent Manner. PLANT & CELL PHYSIOLOGY 2024; 65:928-938. [PMID: 37927069 PMCID: PMC11209552 DOI: 10.1093/pcp/pcad137] [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: 06/16/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 11/07/2023]
Abstract
Wounding caused by insects or abiotic factors such as wind and hail can cause severe stress for plants. Intrigued by the observation that wounding induces expression of genes involved in surface wax synthesis in a jasmonoyl-isoleucine (JA-Ile)-independent manner, the role of wax biosynthesis and respective genes upon wounding was investigated. Wax, a lipid-based barrier, protects plants both from environmental threats and from an uncontrolled loss of water. Its biosynthesis is described to be regulated by abscisic acid (ABA), whereas the main wound signal is the hormone JA-Ile. We show in this study that genes coding for enzymes of surface wax synthesis are induced upon wounding in Arabidopsis thaliana leaves in a JA-Ile-independent but an ABA-dependent manner. Furthermore, the ABA-dependent transcription factor MYB96 is a key regulator of wax biosynthesis upon wounding. On the metabolite level, wound-induced wax accumulation is strongly reduced in JA-Ile-deficient plants, but this induction is only slightly decreased in ABA-reduced plants. To further analyze the ABA-dependent wound response, we conducted wounding experiments in high humidity. They show that high humidity prevents the wound-induced wax accumulation in A. thaliana leaves. Together the data presented in this study show that wound-induced wax accumulation is JA-Ile-dependent on the metabolite level, but the expression of genes coding for enzymes of wax synthesis is regulated by ABA.
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Affiliation(s)
- Milena Lewandowska
- Department for Plant Biochemistry, Albrecht-von-Haller-Institute for Plant Sciences, University of Goettingen, Justus-von-Liebig Weg 11, Goettingen 37077, Germany
| | - Krzysztof Zienkiewicz
- Department for Plant Biochemistry, Albrecht-von-Haller-Institute for Plant Sciences, University of Goettingen, Justus-von-Liebig Weg 11, Goettingen 37077, Germany
- Service Unit for Metabolomics and Lipidomics, Goettingen Center for Molecular Biosciences (GZMB), University of Goettingen, Justus-von-Liebig Weg 11, Goettingen 37077, Germany
| | - Agnieszka Zienkiewicz
- Department for Plant Biochemistry, Albrecht-von-Haller-Institute for Plant Sciences, University of Goettingen, Justus-von-Liebig Weg 11, Goettingen 37077, Germany
| | - Amélie Kelly
- Department for Plant Biochemistry, Albrecht-von-Haller-Institute for Plant Sciences, University of Goettingen, Justus-von-Liebig Weg 11, Goettingen 37077, Germany
| | - Stefanie König
- Department for Plant Biochemistry, Albrecht-von-Haller-Institute for Plant Sciences, University of Goettingen, Justus-von-Liebig Weg 11, Goettingen 37077, Germany
| | - Kirstin Feussner
- Department for Plant Biochemistry, Albrecht-von-Haller-Institute for Plant Sciences, University of Goettingen, Justus-von-Liebig Weg 11, Goettingen 37077, Germany
- Service Unit for Metabolomics and Lipidomics, Goettingen Center for Molecular Biosciences (GZMB), University of Goettingen, Justus-von-Liebig Weg 11, Goettingen 37077, Germany
| | - Ljerka Kunst
- Department of Botany, University of British Columbia, 6270 University Blvd, Vancouver, British Columbia V6T 1Z4, Canada
| | - Ivo Feussner
- Department for Plant Biochemistry, Albrecht-von-Haller-Institute for Plant Sciences, University of Goettingen, Justus-von-Liebig Weg 11, Goettingen 37077, Germany
- Service Unit for Metabolomics and Lipidomics, Goettingen Center for Molecular Biosciences (GZMB), University of Goettingen, Justus-von-Liebig Weg 11, Goettingen 37077, Germany
- Department for Plant Biochemistry, Goettingen Center for Molecular Biosciences (GZMB), University of Goettingen, Justus-von-Liebig Weg 11, Goettingen 37077, Germany
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23
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Wang S, Xing W, Li W, Xie Z, Xiao Y, Huang W. Red light mitigates Cd toxicity in Egeria densa by restricting Cd accumulation and modulating antioxidant defense system. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 211:108675. [PMID: 38705047 DOI: 10.1016/j.plaphy.2024.108675] [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: 03/25/2024] [Revised: 04/21/2024] [Accepted: 04/28/2024] [Indexed: 05/07/2024]
Abstract
Controlling light qualities have been acknowledged as an effective method to enhance the efficiency of phytoremediation, as light has a significant impact on plant growth. This study examined the effects of light qualities on cadmium (Cd) tolerance in aquatic plant Egeria densa using a combination of biochemical and transcriptomic approaches. The study revealed that E. densa exhibits higher resistance to Cd toxicity under red light (R) compared to blue light (B), as evidenced by a significant decrease in photosynthetic inhibition and damage to organelle ultrastructure. After Cd exposure, there was a significantly reduced Cd accumulation and enhanced levels of both glutathione reductase (GR) activity and glutathione (GSH), along with an increase in jasmonic acid (JA) in R-grown E. densa compared to B. Transcriptional analysis revealed that R caused an up-regulation of Cd transporter genes such as ABCG (G-type ATP-binding cassette transporter), ABCC (C-type ATP-binding cassette transporter), and CAX2 (Cation/H+ exchanger 2), while down-regulated the expression of HIPP26 (Heavy metal-associated isoprenylated plant protein 26), resulting in reduced Cd uptake and enhanced Cd exportation and sequestration into vacuoles. Moreover, the expression of genes involved in phytochromes and JA synthesis was up-regulated in Cd treated E. densa under R. In summary, the results suggest that R could limit Cd accumulation and improve antioxidant defense to mitigate Cd toxicity in E. densa, which might be attributed to the enhanced JA and phytochromes. This study provides a foundation for using light control methods with aquatic macrophytes to remediate heavy metal contamination in aquatic systems.
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Affiliation(s)
- Shanwei Wang
- Aquatic Plant Research Center, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, 430074, China; School of Environmental Studies, China University of Geosciences, Wuhan, 430074, China
| | - Wei Xing
- Aquatic Plant Research Center, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, 430074, China; Hubei Key Laboratory of Wetland Evolution & Ecological Restoration, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, 430074, China
| | - Wei Li
- Aquatic Plant Research Center, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, 430074, China; Yani Wetland Ecosystem Positioning Observation and Research Station, Tibet University, Lhasa, China; Key Laboratory of Biodiversity and Environment on the Qinghai-Tibetan Plateau, Ministry of Education, Tibet University, Lhasa, China; Hubei Key Laboratory of Wetland Evolution & Ecological Restoration, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, 430074, China
| | - Zuoming Xie
- School of Environmental Studies, China University of Geosciences, Wuhan, 430074, China
| | - Yuan Xiao
- The Analysis and Testing Center of Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, China
| | - Wenmin Huang
- Aquatic Plant Research Center, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, 430074, China; Hubei Key Laboratory of Wetland Evolution & Ecological Restoration, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, 430074, China.
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24
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Wu Y, Sun Y, Wang W, Xie Z, Zhan C, Jin L, Huang J. OsJAZ10 negatively modulates the drought tolerance by integrating hormone signaling with systemic electrical activity in rice. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 211:108683. [PMID: 38714129 DOI: 10.1016/j.plaphy.2024.108683] [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: 01/22/2024] [Revised: 04/15/2024] [Accepted: 04/30/2024] [Indexed: 05/09/2024]
Abstract
Jasmonic acid (JA) plays crucial functions in plant stress response, and the synergistic interaction between JA and abscisic acid (ABA) signaling is implicated to help plants adapt to environmental challenges, whereas the underlying molecular mechanism still needs to be revealed. Here, we report that OsJAZ10, a repressor in the JA signaling, represses rice drought tolerance via inhibition of JA and ABA biosynthesis. Function loss of OsJAZ10 markedly enhances, while overexpression of OsJAZ10ΔJas reduces rice drought tolerance. The osjaz10 mutant is more sensitive to exogenous ABA and MeJA, and produces higher levels of ABA and JA after drought treatment, indicating OsJAZ10 represses the biosynthesis of these two hormones. Mechanistic study demonstrated that OsJAZ10 physically interacts with OsMYC2. Transient transcriptional regulation assays showed that OsMYC2 activates the expression of ABA-biosynthetic gene OsNCED2, JA-biosynthetic gene OsAOC, and drought-responsive genes OsRAB21 and OsLEA3, while OsJAZ10 prevents OsMYC2 transactivation of these genes. Further, the electrophoretic mobility shift assay (EMSA) confirmed that OsMYC2 directly binds to the promoters of OsNCED2 and OsRAB21. Electrical activity has been proposed to activate JA biosynthesis. Interestingly, OsJAZ10 inhibits the propagation of osmotic stress-elicited systemic electrical signals, indicated by the significantly increased PEG-elicited slow wave potentials (SWPs) in osjaz10 mutant, which is in accordance with the elevated JA levels. Collectively, our findings establish that OsJAZ10 functions as a negative regulator in rice drought tolerance by repressing JA and ABA biosynthesis, and reveal an important mechanism that plants integrate electrical events with hormone signaling to enhance the adaption to environmental stress.
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Affiliation(s)
- Yuanyuan Wu
- Key Laboratory of Biorheological Science and Technology of Ministry of Education, Bioengineering College, Chongqing University, Chongqing 400044, China.
| | - Ying Sun
- Key Laboratory of Biorheological Science and Technology of Ministry of Education, Bioengineering College, Chongqing University, Chongqing 400044, China.
| | - Wanmin Wang
- Key Laboratory of Biorheological Science and Technology of Ministry of Education, Bioengineering College, Chongqing University, Chongqing 400044, China.
| | - Zizhao Xie
- Key Laboratory of Biorheological Science and Technology of Ministry of Education, Bioengineering College, Chongqing University, Chongqing 400044, China.
| | - Chenghang Zhan
- Key Laboratory of Biorheological Science and Technology of Ministry of Education, Bioengineering College, Chongqing University, Chongqing 400044, China.
| | - Liang Jin
- Key Laboratory of Biorheological Science and Technology of Ministry of Education, Bioengineering College, Chongqing University, Chongqing 400044, China.
| | - Junli Huang
- Key Laboratory of Biorheological Science and Technology of Ministry of Education, Bioengineering College, Chongqing University, Chongqing 400044, China.
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25
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Zhang Z, Chen C, Jiang C, Lin H, Zhao Y, Guo Y. VvWRKY5 positively regulates wounding-induced anthocyanin accumulation in grape by interplaying with VvMYBA1 and promoting jasmonic acid biosynthesis. HORTICULTURE RESEARCH 2024; 11:uhae083. [PMID: 38766531 PMCID: PMC11101322 DOI: 10.1093/hr/uhae083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Accepted: 03/10/2024] [Indexed: 05/22/2024]
Abstract
Wounding stress induces the biosynthesis of various secondary metabolites in plants, including anthocyanin. However, the underlying molecular mechanism remains elusive. Here, we reported that a transcription factor, VvWRKY5, promotes wounding-induced anthocyanin accumulation in grape (Vitis vinifera). Biochemical and molecular analyses demonstrated that wounding stress significantly increased anthocyanin content, and VvMYBA1 plays an essential role in this process. VvWRKY5 could interact with VvMYBA1 and amplify the activation effect of VvMYBA1 on its target gene VvUFGT. The transcript level of VvWRKY5 was notably induced by wounding treatment. Moreover, our data demonstrated that VvWRKY5 could promote the synthesis of jasmonic acid (JA), a phytohormone that acts as a positive modulator in anthocyanin accumulation, by directly binding to the W-box element in the promoter of the JA biosynthesis-related gene VvLOX and enhancing its activities, and this activation was greatly enhanced by the VvWRKY5-VvMYBA1 protein complex. Collectively, our findings show that VvWRKY5 plays crucial roles in wounding-induced anthocyanin synthesis in grape and elucidates the transcriptional regulatory mechanism of wounding-induced anthocyanin accumulation.
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Affiliation(s)
- Zhen Zhang
- College of Horticulture, Shenyang Agricultural University, Shenyang 110866, China
| | - Cui Chen
- College of Horticulture, Shenyang Agricultural University, Shenyang 110866, China
| | - Changyue Jiang
- College of Horticulture, Shenyang Agricultural University, Shenyang 110866, China
| | - Hong Lin
- College of Horticulture, Shenyang Agricultural University, Shenyang 110866, China
| | - Yuhui Zhao
- College of Horticulture, Shenyang Agricultural University, Shenyang 110866, China
| | - Yinshan Guo
- College of Horticulture, Shenyang Agricultural University, Shenyang 110866, China
- National & Local Joint Engineering Research Center of Northern Horticultural Facilities Design and Application Technology (Liaoning), Shenyang 110866, China
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26
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Gasperini D, Howe GA. Phytohormones in a universe of regulatory metabolites: lessons from jasmonate. PLANT PHYSIOLOGY 2024; 195:135-154. [PMID: 38290050 PMCID: PMC11060663 DOI: 10.1093/plphys/kiae045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 01/05/2024] [Accepted: 01/05/2024] [Indexed: 02/01/2024]
Abstract
Small-molecule phytohormones exert control over plant growth, development, and stress responses by coordinating the patterns of gene expression within and between cells. Increasing evidence indicates that currently recognized plant hormones are part of a larger group of regulatory metabolites that have acquired signaling properties during the evolution of land plants. This rich assortment of chemical signals reflects the tremendous diversity of plant secondary metabolism, which offers evolutionary solutions to the daunting challenges of sessility and other unique aspects of plant biology. A major gap in our current understanding of plant regulatory metabolites is the lack of insight into the direct targets of these compounds. Here, we illustrate the blurred distinction between classical phytohormones and other bioactive metabolites by highlighting the major scientific advances that transformed the view of jasmonate from an interesting floral scent to a potent transcriptional regulator. Lessons from jasmonate research generally apply to other phytohormones and thus may help provide a broad understanding of regulatory metabolite-protein interactions. In providing a framework that links small-molecule diversity to transcriptional plasticity, we hope to stimulate future research to explore the evolution, functions, and mechanisms of perception of a broad range of plant regulatory metabolites.
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Affiliation(s)
- Debora Gasperini
- Department of Molecular Signal Processing, Leibniz Institute of Plant Biochemistry, Halle 06120, Germany
| | - Gregg A Howe
- Department of Energy-Plant Research Laboratory, Michigan State University, East Lansing, MI 48824, USA
- Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI 48824, USA
- Plant Resilience Institute, Michigan State University, East Lansing, MI 42284, USA
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27
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Zhai Z, Che Y, Geng S, Liu S, Zhang S, Cui D, Deng Z, Fu M, Li Y, Zou X, Liu J, Li A, Mao L. Comprehensive Comparative Analysis of the JAZ Gene Family in Common Wheat ( Triticum aestivum) and Its D-Subgenome Donor Aegilops tauschii. PLANTS (BASEL, SWITZERLAND) 2024; 13:1259. [PMID: 38732475 PMCID: PMC11085061 DOI: 10.3390/plants13091259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Revised: 04/29/2024] [Accepted: 04/29/2024] [Indexed: 05/13/2024]
Abstract
JASMONATE-ZIM DOMAIN (JAZ) repressor proteins work as co-receptors in the jasmonic acid (JA) signalling pathway and are essential for plant development and environmental adaptation. Despite wheat being one of the main staple food crops, until recently, comprehensive analysis of its JAZ gene family has been limited due to the lack of complete and high-quality reference genomes. Here, using the latest reference genome, we identified 17 JAZ genes in the wheat D-genome donor Aegilops tauschii. Then, 54 TaJAZs were identified in common wheat. A systematic examination of the gene structures, conserved protein domains, and phylogenetic relationships of this gene family was performed. Five new JAZ genes were identified as being derived from tandem duplication after wheat divergence from other species. We integrated RNA-seq data and yield QTL information and found that tandemly duplicated TaJAZ genes were prone to association with spike-related traits. Moreover, 12 TaJAZ genes were located within breeding selection sweeps, including 9 tandemly duplicated ones. Haplotype variation analysis of selected JAZ genes showed significant association of TaJAZ7A and TaJAZ13A with thousand-grain weight. Our work provides a clearer picture of wheat JAZ gene evolution and puts forward the possibility of using these genes for wheat yield improvement.
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Affiliation(s)
- Zhiwen Zhai
- National Key Facility for Crop Resources and Genetic Improvement, Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing 100081, China; (Z.Z.); (Y.C.); (S.G.); (S.L.); (D.C.); (Z.D.); (M.F.); (Y.L.); (X.Z.); (J.L.)
| | - Yuqing Che
- National Key Facility for Crop Resources and Genetic Improvement, Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing 100081, China; (Z.Z.); (Y.C.); (S.G.); (S.L.); (D.C.); (Z.D.); (M.F.); (Y.L.); (X.Z.); (J.L.)
| | - Shuaifeng Geng
- National Key Facility for Crop Resources and Genetic Improvement, Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing 100081, China; (Z.Z.); (Y.C.); (S.G.); (S.L.); (D.C.); (Z.D.); (M.F.); (Y.L.); (X.Z.); (J.L.)
| | - Shaoshuai Liu
- National Key Facility for Crop Resources and Genetic Improvement, Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing 100081, China; (Z.Z.); (Y.C.); (S.G.); (S.L.); (D.C.); (Z.D.); (M.F.); (Y.L.); (X.Z.); (J.L.)
| | - Shuqin Zhang
- State Key Laboratory of Plant Physiology and Biochemistry, Department of Plant Genetics and Breeding, National Center for Evaluation of Agricultural Wild Plants (Rice), China Agricultural University, Beijing 100094, China;
| | - Dada Cui
- National Key Facility for Crop Resources and Genetic Improvement, Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing 100081, China; (Z.Z.); (Y.C.); (S.G.); (S.L.); (D.C.); (Z.D.); (M.F.); (Y.L.); (X.Z.); (J.L.)
| | - Zhongyin Deng
- National Key Facility for Crop Resources and Genetic Improvement, Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing 100081, China; (Z.Z.); (Y.C.); (S.G.); (S.L.); (D.C.); (Z.D.); (M.F.); (Y.L.); (X.Z.); (J.L.)
| | - Mingxue Fu
- National Key Facility for Crop Resources and Genetic Improvement, Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing 100081, China; (Z.Z.); (Y.C.); (S.G.); (S.L.); (D.C.); (Z.D.); (M.F.); (Y.L.); (X.Z.); (J.L.)
| | - Yang Li
- National Key Facility for Crop Resources and Genetic Improvement, Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing 100081, China; (Z.Z.); (Y.C.); (S.G.); (S.L.); (D.C.); (Z.D.); (M.F.); (Y.L.); (X.Z.); (J.L.)
| | - Xinyu Zou
- National Key Facility for Crop Resources and Genetic Improvement, Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing 100081, China; (Z.Z.); (Y.C.); (S.G.); (S.L.); (D.C.); (Z.D.); (M.F.); (Y.L.); (X.Z.); (J.L.)
| | - Jun Liu
- National Key Facility for Crop Resources and Genetic Improvement, Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing 100081, China; (Z.Z.); (Y.C.); (S.G.); (S.L.); (D.C.); (Z.D.); (M.F.); (Y.L.); (X.Z.); (J.L.)
| | - Aili Li
- National Key Facility for Crop Resources and Genetic Improvement, Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing 100081, China; (Z.Z.); (Y.C.); (S.G.); (S.L.); (D.C.); (Z.D.); (M.F.); (Y.L.); (X.Z.); (J.L.)
| | - Long Mao
- National Key Facility for Crop Resources and Genetic Improvement, Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing 100081, China; (Z.Z.); (Y.C.); (S.G.); (S.L.); (D.C.); (Z.D.); (M.F.); (Y.L.); (X.Z.); (J.L.)
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Lei J, Zhang W, Yu F, Ni M, Liu Z, Wang C, Li J, Song J, Wang S. Integrated Analysis of Transcriptome and Metabolome Reveals Differential Responses to Alternaria brassicicola Infection in Cabbage ( Brassica oleracea var. capitata). Genes (Basel) 2024; 15:545. [PMID: 38790174 PMCID: PMC11121261 DOI: 10.3390/genes15050545] [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: 03/07/2024] [Revised: 04/07/2024] [Accepted: 04/11/2024] [Indexed: 05/26/2024] Open
Abstract
Black spot, caused by Alternaria brassicicola (Ab), poses a serious threat to crucifer production, and knowledge of how plants respond to Ab infection is essential for black spot management. In the current study, combined transcriptomic and metabolic analysis was employed to investigate the response to Ab infection in two cabbage (Brassica oleracea var. capitata) genotypes, Bo257 (resistant to Ab) and Bo190 (susceptible to Ab). A total of 1100 and 7490 differentially expressed genes were identified in Bo257 (R_mock vs. R_Ab) and Bo190 (S_mock vs. S_Ab), respectively. Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis revealed that "metabolic pathways", "biosynthesis of secondary metabolites", and "glucosinolate biosynthesis" were the top three enriched KEGG pathways in Bo257, while "metabolic pathways", "biosynthesis of secondary metabolites", and "carbon metabolism" were the top three enriched KEGG pathways in Bo190. Further analysis showed that genes involved in extracellular reactive oxygen species (ROS) production, jasmonic acid signaling pathway, and indolic glucosinolate biosynthesis pathway were differentially expressed in response to Ab infection. Notably, when infected with Ab, genes involved in extracellular ROS production were largely unchanged in Bo257, whereas most of these genes were upregulated in Bo190. Metabolic profiling revealed 24 and 56 differentially accumulated metabolites in Bo257 and Bo190, respectively, with the majority being primary metabolites. Further analysis revealed that dramatic accumulation of succinate was observed in Bo257 and Bo190, which may provide energy for resistance responses against Ab infection via the tricarboxylic acid cycle pathway. Collectively, this study provides comprehensive insights into the Ab-cabbage interactions and helps uncover targets for breeding Ab-resistant varieties in cabbage.
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Affiliation(s)
- Jinzhou Lei
- Anhui Provincial Key Laboratory of Horticultural Crop Quality Biology, College of Horticulture, Anhui Agricultural University, Hefei 230036, China; (J.L.); (Z.L.)
| | - Wei Zhang
- Jiangsu Key Laboratory for Horticultural Crop Genetic Improvement, Institute of Vegetable Crops, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China; (W.Z.); (F.Y.); (M.N.); (J.L.)
| | - Fangwei Yu
- Jiangsu Key Laboratory for Horticultural Crop Genetic Improvement, Institute of Vegetable Crops, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China; (W.Z.); (F.Y.); (M.N.); (J.L.)
| | - Meng Ni
- Jiangsu Key Laboratory for Horticultural Crop Genetic Improvement, Institute of Vegetable Crops, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China; (W.Z.); (F.Y.); (M.N.); (J.L.)
| | - Zhigang Liu
- Anhui Provincial Key Laboratory of Horticultural Crop Quality Biology, College of Horticulture, Anhui Agricultural University, Hefei 230036, China; (J.L.); (Z.L.)
| | - Cheng Wang
- Key Laboratory for Quality Control of Characteristic Fruits and Vegetables of Hubei Province, College of Life Science and Technology, Hubei Engineering University, Xiaogan 432000, China;
| | - Jianbin Li
- Jiangsu Key Laboratory for Horticultural Crop Genetic Improvement, Institute of Vegetable Crops, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China; (W.Z.); (F.Y.); (M.N.); (J.L.)
| | - Jianghua Song
- Anhui Provincial Key Laboratory of Horticultural Crop Quality Biology, College of Horticulture, Anhui Agricultural University, Hefei 230036, China; (J.L.); (Z.L.)
| | - Shenyun Wang
- Anhui Provincial Key Laboratory of Horticultural Crop Quality Biology, College of Horticulture, Anhui Agricultural University, Hefei 230036, China; (J.L.); (Z.L.)
- Jiangsu Key Laboratory for Horticultural Crop Genetic Improvement, Institute of Vegetable Crops, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China; (W.Z.); (F.Y.); (M.N.); (J.L.)
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Che L, Lu S, Gou H, Li M, Guo L, Yang J, Mao J. VvJAZ13 Positively Regulates Cold Tolerance in Arabidopsis and Grape. Int J Mol Sci 2024; 25:4458. [PMID: 38674041 PMCID: PMC11049880 DOI: 10.3390/ijms25084458] [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: 03/11/2024] [Revised: 04/14/2024] [Accepted: 04/17/2024] [Indexed: 04/28/2024] Open
Abstract
Cold stress adversely impacts grape growth, development, and yield. Therefore, improving the cold tolerance of grape is an urgent task of grape breeding. The Jasmonic acid (JA) pathway responsive gene JAZ plays a key role in plant response to cold stress. However, the role of JAZ in response to low temperatures in grape is unclear. In this study, VvJAZ13 was cloned from the 'Pinot Noir' (Vitis vinefera cv. 'Pinot Noir') grape, and the potential interacting protein of VvJAZ13 was screened by yeast two-hybrid (Y2H). The function of VvJAZ13 under low temperature stress was verified by genetic transformation. Subcellular localization showed that the gene was mainly expressed in cytoplasm and the nucleus. Y2H indicated that VvF-box, VvTIFY5A, VvTIFY9, Vvbch1, and VvAGD13 may be potential interacting proteins of VvJAZ13. The results of transient transformation of grape leaves showed that VvJAZ13 improved photosynthetic capacity and reduced cell damage by increasing maximum photosynthetic efficiency of photosystem II (Fv/Fm), reducing relative electrolyte leakage (REL) and malondialdehyde (MDA), and increasing proline content in overexpressed lines (OEs), which played an active role in cold resistance. Through the overexpression of VvJAZ13 in Arabidopsis thaliana and grape calli, the results showed that compared with wild type (WT), transgenic lines had higher antioxidant enzyme activity and proline content, lower REL, MDA, and hydrogen peroxide (H2O2) content, and an improved ability of scavenging reactive oxygen species. In addition, the expression levels of CBF1-2 and ICE1 genes related to cold response were up-regulated in transgenic lines. To sum up, VvJAZ13 is actively involved in the cold tolerance of Arabidopsis and grape, and has the potential to be a candidate gene for improving plant cold tolerance.
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Affiliation(s)
- Lili Che
- College of Horticulture, Gansu Agricultural University, Lanzhou 730070, China
| | - Shixiong Lu
- College of Horticulture, Gansu Agricultural University, Lanzhou 730070, China
| | - Huimin Gou
- College of Horticulture, Gansu Agricultural University, Lanzhou 730070, China
| | - Min Li
- College of Horticulture, Gansu Agricultural University, Lanzhou 730070, China
| | - Lili Guo
- College of Horticulture, Gansu Agricultural University, Lanzhou 730070, China
| | - Juanbo Yang
- College of Horticulture, Gansu Agricultural University, Lanzhou 730070, China
| | - Juan Mao
- College of Horticulture, Gansu Agricultural University, Lanzhou 730070, China
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Wang H, Chen Q, Feng W. The Emerging Role of 2OGDs as Candidate Targets for Engineering Crops with Broad-Spectrum Disease Resistance. PLANTS (BASEL, SWITZERLAND) 2024; 13:1129. [PMID: 38674537 PMCID: PMC11054871 DOI: 10.3390/plants13081129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Revised: 04/09/2024] [Accepted: 04/12/2024] [Indexed: 04/28/2024]
Abstract
Plant diseases caused by pathogens result in a marked decrease in crop yield and quality annually, greatly threatening food production and security worldwide. The creation and cultivation of disease-resistant cultivars is one of the most effective strategies to control plant diseases. Broad-spectrum resistance (BSR) is highly preferred by breeders because it confers plant resistance to diverse pathogen species or to multiple races or strains of one species. Recently, accumulating evidence has revealed the roles of 2-oxoglutarate (2OG)-dependent oxygenases (2OGDs) as essential regulators of plant disease resistance. Indeed, 2OGDs catalyze a large number of oxidative reactions, participating in the plant-specialized metabolism or biosynthesis of the major phytohormones and various secondary metabolites. Moreover, several 2OGD genes are characterized as negative regulators of plant defense responses, and the disruption of these genes via genome editing tools leads to enhanced BSR against pathogens in crops. Here, the recent advances in the isolation and identification of defense-related 2OGD genes in plants and their exploitation in crop improvement are comprehensively reviewed. Also, the strategies for the utilization of 2OGD genes as targets for engineering BSR crops are discussed.
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Affiliation(s)
- Han Wang
- School of Breeding and Multiplication, School of Tropical Agriculture and Forestry, Hainan University, Sanya 572025, China;
- College of Plant Protection, China Agricultural University, Beijing 100193, China
| | - Qinghe Chen
- School of Breeding and Multiplication, School of Tropical Agriculture and Forestry, Hainan University, Sanya 572025, China;
| | - Wanzhen Feng
- School of Breeding and Multiplication, School of Tropical Agriculture and Forestry, Hainan University, Sanya 572025, China;
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Li G, Manzoor MA, Chen R, Zhang Y, Song C. Genome-wide identification and expression analysis of TIFY genes under MeJA, cold and PEG-induced drought stress treatment in Dendrobium huoshanense. PHYSIOLOGY AND MOLECULAR BIOLOGY OF PLANTS : AN INTERNATIONAL JOURNAL OF FUNCTIONAL PLANT BIOLOGY 2024; 30:527-542. [PMID: 38737319 PMCID: PMC11087441 DOI: 10.1007/s12298-024-01442-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 03/17/2024] [Accepted: 03/19/2024] [Indexed: 05/14/2024]
Abstract
The TIFY family consists of plant-specific genes that regulates multiple plant functions, including developmental and defense responses. Here, we performed a comprehensive genomic analysis of TIFY genes in Dendrobium huoshanense. Our analysis encompassed their phylogenetic relationships, gene structures, chromosomal distributions, promoter regions, and patterns of collinearity. A total of 16 DhTIFY genes were identified, and classified into distinct clusters named JAZ, PPD, ZIM, and TIFY based on their phylogenetic relationship. These DhTIFYs exhibited an uneven distribution across 7 chromosomes. The expansion of the DhTIFY gene family appears to have been significantly influenced by whole-genome and segmental duplication events. The ratio of non-synonymous to synonymous substitutions (Ka/Ks) implies that the purifying selection has been predominant, maintaining a constrained functional diversification after duplication events. Gene structure analysis indicated that DhTIFYs exhibited significant structural variation, particularly in terms of gene organization and intron numbers. Moreover, numerous cis-acting elements related to hormone signaling, developmental processes, and stress responses were identified within the promoter regions. Subsequently, qRT-PCR experiments demonstrated that the expression of DhTIFYs is modulated in response to MeJA (Methyl jasmonate), cold, and drought treatment. Collectively, these results enhance our understanding of the functional dynamics of TIFY genes in D. huoshanense and may pinpoint potential candidates for detailed examination of the biological roles of TIFY genes. Supplementary Information The online version contains supplementary material available at 10.1007/s12298-024-01442-9.
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Affiliation(s)
- Guohui Li
- Anhui Engineering Research Center for Eco-Agriculture of Traditional Chinese Medicine, Anhui Provincial Key Laboratory for Quality Evaluation and Improvement of Traditional Chinese Medicine, College of Biological and Pharmaceutical Engineering, West Anhui University, Lu’an, 237012 China
| | - Muhammad Aamir Manzoor
- Department of Plant Science, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
| | - Rui Chen
- Anhui Engineering Research Center for Eco-Agriculture of Traditional Chinese Medicine, Anhui Provincial Key Laboratory for Quality Evaluation and Improvement of Traditional Chinese Medicine, College of Biological and Pharmaceutical Engineering, West Anhui University, Lu’an, 237012 China
| | - Yingyu Zhang
- Henan Key Laboratory of Rare Diseases, Endocrinology and Metabolism Center, The First Affiliated Hospital, and College of Clinical Medicine of Henan University of Science and Technology, Luoyang, 471003 China
| | - Cheng Song
- Anhui Engineering Research Center for Eco-Agriculture of Traditional Chinese Medicine, Anhui Provincial Key Laboratory for Quality Evaluation and Improvement of Traditional Chinese Medicine, College of Biological and Pharmaceutical Engineering, West Anhui University, Lu’an, 237012 China
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Sun X, Hu C, Yi G, Zhang X. Identification and characterization of two P450 enzymes from Citrus sinensis involved in TMTT and DMNT biosyntheses and Asian citrus psyllid defense. HORTICULTURE RESEARCH 2024; 11:uhae037. [PMID: 38617747 PMCID: PMC11009467 DOI: 10.1093/hr/uhae037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 01/26/2024] [Indexed: 04/16/2024]
Abstract
The homoterpenes (3E)-4,8-dimethyl-1,3,7-nonatriene (DMNT) and (E,E)-4,8,12-trimethyl-1,3,7,11-tridecatetraene (TMTT) are the major herbivore-induced plant volatiles that help in defense directly by acting as repellants and indirectly by recruiting insects' natural enemies. In this study, DMNT and TMTT were confirmed to be emitted from citrus (Citrus sinensis) leaves infested with Asian citrus psyllid (Diaphorina citri Kuwayama; ACP), and two cytochrome P450 (CYP) genes (CsCYP82L1 and CsCYP82L2) were newly identified and characterized. Understanding the functions of these genes in citrus defense will help plan strategies to manage huanglongbing caused by Candidatus Liberibacter asiaticus (CLas) and spread by ACP. Quantitative real-time PCR (qPCR) analysis showed that CsCYP82L1 and CsCYP82L2 were significantly upregulated in citrus leaves after ACP infestation. Yeast recombinant expression and enzyme assays indicated that CsCYP82L1 and CsCYP82L2 convert (E)-nerolidol to DMNT and (E,E)-geranyllinalool to TMTT. However, citrus calluses stably overexpressing CsCYP82L1 generated only DMNT, whereas those overexpressing CsCYP82L2 produced DMNT and TMTT. Furthermore, ACPs preferred wild-type lemon (Citrus limon) over the CsCYP82L1-overexpressing line in dual-choice feeding assays and mineral oil over TMTT or DMNT in behavioral bioassays. Finally, yeast one-hybrid, electrophoretic mobility shift, and dual luciferase assays demonstrated that CsERF017, an AP2/ERF transcription factor, directly bound to the CCGAC motif and activated CsCYP82L1. Moreover, the transient overexpression of CsERF017 in lemon leaves upregulated CsCYP82L1 in the absence and presence of ACP infestation. These results provide novel insights into homoterpene biosynthesis in C. sinensis and demonstrate the effect of homoterpenes on ACP behavior, laying a foundation to genetically manipulate homoterpene biosynthesis for application in huanglongbing and ACP control.
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Affiliation(s)
- Xueli Sun
- Key Laboratory of South Subtropical Fruit Biology and Genetic Resource Utilization, Ministry of Agriculture and Rural Affairs; Guangdong Provincial Key Laboratory of Tropical and Subtropical Fruit Tree Research, Institute of Fruit Tree Research, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China
- College of Life Sciences, State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, South China Agricultural University, Guangzhou 510642, China
| | - Chunhua Hu
- Key Laboratory of South Subtropical Fruit Biology and Genetic Resource Utilization, Ministry of Agriculture and Rural Affairs; Guangdong Provincial Key Laboratory of Tropical and Subtropical Fruit Tree Research, Institute of Fruit Tree Research, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China
| | - Ganjun Yi
- Key Laboratory of South Subtropical Fruit Biology and Genetic Resource Utilization, Ministry of Agriculture and Rural Affairs; Guangdong Provincial Key Laboratory of Tropical and Subtropical Fruit Tree Research, Institute of Fruit Tree Research, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China
| | - Xinxin Zhang
- Key Laboratory of South Subtropical Fruit Biology and Genetic Resource Utilization, Ministry of Agriculture and Rural Affairs; Guangdong Provincial Key Laboratory of Tropical and Subtropical Fruit Tree Research, Institute of Fruit Tree Research, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China
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Wu S, Hu C, Zhu C, Fan Y, Zhou J, Xia X, Shi K, Zhou Y, Foyer CH, Yu J. The MYC2-PUB22-JAZ4 module plays a crucial role in jasmonate signaling in tomato. MOLECULAR PLANT 2024; 17:598-613. [PMID: 38341757 DOI: 10.1016/j.molp.2024.02.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 12/06/2023] [Accepted: 02/06/2024] [Indexed: 02/13/2024]
Abstract
Jasmonates (JAs), a class of lipid-derived stress hormones, play a crucial role across an array of plant physiological processes and stress responses. Although JA signaling is thought to rely predominantly on the degradation of specific JAZ proteins by SCFCOI1, it remains unclear whether other pathways are involved in the regulation of JAZ protein stability. Here, we report that PUB22, a plant U-box type E3 ubiquitin ligase, plays a critical role in the regulation of plant resistance against Helicoverpa armigera and other JA responses in tomato. Whereas COI1 physically interacts with JAZ1/2/5/7, PUB22 physically interacts with JAZ1/3/4/6. PUB22 ubiquitinates JAZ4 to promote its degradation via the 26S proteasome pathway. Importantly, we observed that pub22 mutants showreduced resistance to H. armigera, whereas jaz4 single mutants and jaz1 jaz3 jaz4 jaz6 quadruple mutants have enhanced resistance. The hypersensitivity of pub22 mutants to herbivores could be partially rescued by JAZ4 mutation. Moreover, we found that expression of PUB22 can be transcriptionally activated by MYC2, thus forming a positive feedback circuit in JA signaling. We noticed that the PUB22-JAZ4 module also regulates other JA responses, including defense against B. cinerea, inhibition of root elongation, and anthocyanin accumulation. Taken together, these results indicate that PUB22 plays a crucial role in plant growth and defense responses, together with COI1-regulated JA signaling, by targeting specific JAZs.
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Affiliation(s)
- Shaofang Wu
- Department of Horticulture, Zijingang Campus, Zhejiang University, Hangzhou 310058, China
| | - Chaoyi Hu
- Department of Horticulture, Zijingang Campus, Zhejiang University, Hangzhou 310058, China; Hainan Institute, Zhejiang University, Yazhou Bay Science and Technology City, Sanya 572025, China
| | - Changan Zhu
- Department of Horticulture, Zijingang Campus, Zhejiang University, Hangzhou 310058, China
| | - Yanfen Fan
- Department of Horticulture, Zijingang Campus, Zhejiang University, Hangzhou 310058, China; College of Horticulture, Northwest Agriculture & Forestry University, Xianyang 712100, China
| | - Jie Zhou
- Department of Horticulture, Zijingang Campus, Zhejiang University, Hangzhou 310058, China
| | - Xiaojia Xia
- Department of Horticulture, Zijingang Campus, Zhejiang University, Hangzhou 310058, China
| | - Kai Shi
- Department of Horticulture, Zijingang Campus, Zhejiang University, Hangzhou 310058, China
| | - Yanhong Zhou
- Department of Horticulture, Zijingang Campus, Zhejiang University, Hangzhou 310058, China
| | - Christine H Foyer
- School of Biosciences, College of Life and Environmental Sciences, University of Birmingham, Edgbaston B15 2TT, UK
| | - Jingquan Yu
- Department of Horticulture, Zijingang Campus, Zhejiang University, Hangzhou 310058, China; Hainan Institute, Zhejiang University, Yazhou Bay Science and Technology City, Sanya 572025, China; Key Laboratory of Horticultural Plants Growth and Development, Agricultural Ministry of China, Zhejiang University, Hangzhou 310058, China.
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Li X, Li C, Shi L, Lv G, Li X, Liu Y, Jia X, Liu J, Chen Y, Zhu L, Fu Y. Jasmonate signaling pathway confers salt tolerance through a NUCLEAR FACTOR-Y trimeric transcription factor complex in Arabidopsis. Cell Rep 2024; 43:113825. [PMID: 38386555 DOI: 10.1016/j.celrep.2024.113825] [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: 07/28/2023] [Revised: 01/02/2024] [Accepted: 02/05/2024] [Indexed: 02/24/2024] Open
Abstract
Jasmonate (JA) is a well-known phytohormone essential for plant response to biotic stress. Recently, a crucial role of JA signaling in salt resistance has been highlighted; however, the specific regulatory mechanism remains largely unknown. In this study, we found that the NUCLEAR FACTOR-Y (NF-Y) subunits NF-YA1, NF-YB2, and NF-YC9 form a trimeric complex that positively regulates the expression of salinity-responsive genes, whereas JASMONATE-ZIM DOMAIN protein 8 (JAZ8) directly interacts with three subunits and acts as the key repressor to suppress both the assembly of the NF-YA1-YB2-YC9 trimeric complex and the transcriptional activation activity of the complex. When plants encounter high salinity, JA levels are elevated and perceived by the CORONATINE INSENSITIVE (COI) 1 receptor, leading to the degradation of JAZ8 via the 26S proteasome pathway, thereby releasing the activity of the NF-YA1-YB2-YC9 complex, initiating the activation of salinity-responsive genes, such as MYB75, and thus enhancing the salinity tolerance of plants.
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Affiliation(s)
- Xing Li
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding (MOE), China Agricultural University, Beijing 100193, China
| | - Changjiang Li
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding (MOE), China Agricultural University, Beijing 100193, China.
| | - Lei Shi
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding (MOE), China Agricultural University, Beijing 100193, China
| | - Gaofeng Lv
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding (MOE), China Agricultural University, Beijing 100193, China
| | - Xi Li
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding (MOE), China Agricultural University, Beijing 100193, China
| | - Yixuan Liu
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding (MOE), China Agricultural University, Beijing 100193, China
| | - Xiaojie Jia
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding (MOE), China Agricultural University, Beijing 100193, China
| | - Jiyuan Liu
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding (MOE), China Agricultural University, Beijing 100193, China
| | - Yuqian Chen
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding (MOE), China Agricultural University, Beijing 100193, China
| | - Lei Zhu
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding (MOE), China Agricultural University, Beijing 100193, China
| | - Ying Fu
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding (MOE), China Agricultural University, Beijing 100193, China.
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Yu B, Geng M, Xue Y, Yu Q, Lu B, Liu M, Shao Y, Li C, Xu J, Li J, Hu W, Tang H, Li P, Liu Q, Jing S. Combined miRNA and mRNA sequencing reveals the defensive strategies of resistant YHY15 rice against differentially virulent brown planthoppers. FRONTIERS IN PLANT SCIENCE 2024; 15:1366515. [PMID: 38562566 PMCID: PMC10982320 DOI: 10.3389/fpls.2024.1366515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/06/2024] [Accepted: 02/26/2024] [Indexed: 04/04/2024]
Abstract
Introduction The brown planthopper (BPH) poses a significant threat to rice production in Asia. The use of resistant rice varieties has been effective in managing this pest. However, the adaptability of BPH to resistant rice varieties has led to the emergence of virulent populations, such as biotype Y BPH. YHY15 rice, which carries the BPH resistance gene Bph15, exhibits notable resistance to biotype 1 BPH but is susceptible to biotype Y BPH. Limited information exists regarding how resistant rice plants defend against BPH populations with varying levels of virulence. Methods In this study, we integrated miRNA and mRNA expression profiling analyses to study the differential responses of YHY15 rice to both avirulent (biotype 1) and virulent (biotype Y) BPH. Results YHY15 rice demonstrated a rapid response to biotype Y BPH infestation, with significant transcriptional changes occurring within 6 hours. The biotype Y-responsive genes were notably enriched in photosynthetic processes. Accordingly, biotype Y BPH infestation induced more intense transcriptional responses, affecting miRNA expression, defenserelated metabolic pathways, phytohormone signaling, and multiple transcription factors. Additionally, callose deposition was enhanced in biotype Y BPH-infested rice seedlings. Discussion These findings provide comprehensive insights into the defense mechanisms of resistant rice plants against virulent BPH, and may potentially guide the development of insect-resistant rice varieties.
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Affiliation(s)
- Bin Yu
- College of Life Sciences, Xinyang Normal University, Xinyang, China
| | - Mengjia Geng
- College of Life Sciences, Xinyang Normal University, Xinyang, China
| | - Yu Xue
- College of Life Sciences, Xinyang Normal University, Xinyang, China
| | - Qingqing Yu
- College of Life Sciences, Xinyang Normal University, Xinyang, China
| | - Bojie Lu
- Hubei Provincial Key Laboratory for Protection and Application of Special Plant Germplasm in Wuling Area of China, College of Life Sciences, South-Central Minzu University, Wuhan, China
| | - Miao Liu
- College of Life Sciences, Xinyang Normal University, Xinyang, China
| | - Yuhan Shao
- College of Life Sciences, Xinyang Normal University, Xinyang, China
| | - Chenxi Li
- College of Life Sciences, Xinyang Normal University, Xinyang, China
| | - Jingang Xu
- College of Life Sciences, Xinyang Normal University, Xinyang, China
| | - Jintao Li
- College of Life Sciences, Xinyang Normal University, Xinyang, China
| | - Wei Hu
- Guangdong Provincial Key Laboratory of New Technology in Rice Breeding, Rice Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, China
| | - Hengmin Tang
- College of Life Sciences, Xinyang Normal University, Xinyang, China
| | - Peng Li
- College of Life Sciences, Xinyang Normal University, Xinyang, China
| | - Qingsong Liu
- College of Life Sciences, Xinyang Normal University, Xinyang, China
- State Key Laboratory of Cotton Bio-breeding and Integrated Utilization, State Key Laboratory of Crop Stress Adaptation and Improvement, Key Laboratory of Plant Stress Biology, School of Life Sciences, Henan University, Kaifeng, China
| | - Shengli Jing
- College of Life Sciences, Xinyang Normal University, Xinyang, China
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Wasternack C, Hause B. BFP1: One of 700 Arabidopsis F-box proteins mediates degradation of JA oxidases to promote plant immunity. MOLECULAR PLANT 2024; 17:375-376. [PMID: 38341615 DOI: 10.1016/j.molp.2024.02.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 02/02/2024] [Accepted: 02/08/2024] [Indexed: 02/12/2024]
Affiliation(s)
- Claus Wasternack
- Department of Molecular Signal Processing, Leibniz Institute of Plant Biochemistry, 7 Weinberg 3, 06120 Halle (Saale), Germany.
| | - Bettina Hause
- Department of Cell and Metabolic Biology, Leibniz Institute of Plant Biochemistry, 06120 Halle (Saale), Germany.
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Zhang M, Yang B, Wang Y, Yu F. CrJAT1 Regulates Endogenous JA Signaling for Modulating Monoterpenoid Indole Alkaloid Biosynthesis in Catharanthus roseus. Genes (Basel) 2024; 15:324. [PMID: 38540383 PMCID: PMC10970522 DOI: 10.3390/genes15030324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 02/27/2024] [Accepted: 02/29/2024] [Indexed: 06/14/2024] Open
Abstract
Many monoterpenoid indole alkaloids (MIAs) produced in Catharanthus roseus have demonstrated biological activities and clinical potential. However, their complex biosynthesis pathway in plants leads to low accumulation, limiting therapeutic applications. Efforts to elucidate the MIA biosynthetic regulatory mechanism have focused on improving accumulation levels. Previous studies revealed that jasmonic acid (JA), an important plant hormone, effectively promotes MIA accumulation by inducing the expression of MIA biosynthesis and transport genes. Nevertheless, excessive JA signaling can strongly inhibit plant growth, decreasing MIA productivity in C. roseus. Therefore, identifying key components balancing growth and MIA production in the JA signaling pathway is imperative for effective pharmaceutical production. Here, we identify a homolog of the jasmonate transporter 1, CrJAT1, through co-expression and phylogenetic analyses. Further investigation demonstrated that CrJAT1 can activate JA signaling to promote MIA accumulation without compromising growth. The potential role of CrJAT1 in redistributing intra/inter-cellular JA and JA-Ile may calibrate signaling to avoid inhibition, representing a promising molecular breeding target in C. roseus to optimize the balance between growth and specialized metabolism for improved MIA production.
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Affiliation(s)
- Mengxia Zhang
- School of Biological Engineering, Dalian Polytechnic University, Dalian 116034, China; (M.Z.); (B.Y.); (Y.W.)
| | - Bingrun Yang
- School of Biological Engineering, Dalian Polytechnic University, Dalian 116034, China; (M.Z.); (B.Y.); (Y.W.)
| | - Yanyan Wang
- School of Biological Engineering, Dalian Polytechnic University, Dalian 116034, China; (M.Z.); (B.Y.); (Y.W.)
| | - Fang Yu
- School of Biological Engineering, Dalian Polytechnic University, Dalian 116034, China; (M.Z.); (B.Y.); (Y.W.)
- College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang 110866, China
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38
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Han R, Ma L, Terzaghi W, Guo Y, Li J. Molecular mechanisms underlying coordinated responses of plants to shade and environmental stresses. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2024; 117:1893-1913. [PMID: 38289877 DOI: 10.1111/tpj.16653] [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: 10/14/2023] [Revised: 01/09/2024] [Accepted: 01/17/2024] [Indexed: 02/01/2024]
Abstract
Shade avoidance syndrome (SAS) is triggered by a low ratio of red (R) to far-red (FR) light (R/FR ratio), which is caused by neighbor detection and/or canopy shade. In order to compete for the limited light, plants elongate hypocotyls and petioles by deactivating phytochrome B (phyB), a major R light photoreceptor, thus releasing its inhibition of the growth-promoting transcription factors PHYTOCHROME-INTERACTING FACTORs. Under natural conditions, plants must cope with abiotic stresses such as drought, soil salinity, and extreme temperatures, and biotic stresses such as pathogens and pests. Plants have evolved sophisticated mechanisms to simultaneously deal with multiple environmental stresses. In this review, we will summarize recent major advances in our understanding of how plants coordinately respond to shade and environmental stresses, and will also discuss the important questions for future research. A deep understanding of how plants synergistically respond to shade together with abiotic and biotic stresses will facilitate the design and breeding of new crop varieties with enhanced tolerance to high-density planting and environmental stresses.
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Affiliation(s)
- Run Han
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding (MOE), China Agricultural University, Beijing, 100193, China
| | - Liang Ma
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding (MOE), China Agricultural University, Beijing, 100193, China
| | - William Terzaghi
- Department of Biology, Wilkes University, Wilkes-Barre, Pennsylvania, 18766, USA
| | - Yan Guo
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding (MOE), China Agricultural University, Beijing, 100193, China
| | - Jigang Li
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, Frontiers Science Center for Molecular Design Breeding (MOE), China Agricultural University, Beijing, 100193, China
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Jia R, Yu L, Chen J, Hu L, Cao S, Dong X, Ma Q, Wang Y. Molecular evolution of methylesterase family genes and the BnMES34 is a positive regulator of Plasmodiophora brassicae stress response in Arabidopsis. Int J Biol Macromol 2024; 260:129333. [PMID: 38218279 DOI: 10.1016/j.ijbiomac.2024.129333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 01/05/2024] [Accepted: 01/06/2024] [Indexed: 01/15/2024]
Abstract
Methylesterases (MES) are involved in hydrolysis of carboxylic esters, which have substantial roles in plant metabolic activities and defense mechanisms. This study aimed to comprehensively investigate Brassica napus BnMESs and characterize their role in response to Plasmodiophora brassicae stress. Forty-four BnMES members were identified and categorized into three groups based on their phylogenetic relationships and structural similarities. Through functional predictions in the promoter regions and analysis of RNA-Seq data, BnMES emerged as pivotal in growth, development, and stress responses to B. napus, particularly BnMES34, was strongly induced in response to P. brassicae infection. Gene Ontology analyses highlighted BnMES34's role in regulation of plant disease resistance responses. Furthermore, overexpression of BnMES34 in A. thaliana exhibited milder clubroot symptoms, and reduced disease indices, suggesting positive regulatory role of BnMES34 in plant's response to P. brassicae stress. Molecular docking and enzyme activity verification indicated that BnMES34 has the ability to generate salicylic acid via methyl salicylate, and further experimentally validated in vivo. This discovery indicates that the overexpression of BnMES34 in Arabidopsis confers resistance against clubroot disease. Overall, our research suggests that BnMES34 has a beneficial regulatory role in enhancing stress resistance to P. brassicae in B. napus.
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Affiliation(s)
- Ruimin Jia
- College of Plant Protection, Northwest A & F University, Yangling, Shaanxi 712100, China
| | - Ligang Yu
- College of Plant Protection, Northwest A & F University, Yangling, Shaanxi 712100, China
| | - Jing Chen
- College of Plant Protection, Northwest A & F University, Yangling, Shaanxi 712100, China
| | - Lifang Hu
- College of Plant Protection, Northwest A & F University, Yangling, Shaanxi 712100, China
| | - Shang Cao
- College of Plant Protection, Northwest A & F University, Yangling, Shaanxi 712100, China
| | - Xiaomin Dong
- College of Plant Protection, Northwest A & F University, Yangling, Shaanxi 712100, China
| | - Qing Ma
- College of Plant Protection, Northwest A & F University, Yangling, Shaanxi 712100, China
| | - Yang Wang
- College of Plant Protection, Northwest A & F University, Yangling, Shaanxi 712100, China..
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Du JF, Zhao Z, Xu WB, Wang QL, Li P, Lu X. Comprehensive analysis of JAZ family members in Ginkgo biloba reveals the regulatory role of the GbCOI1/GbJAZs/GbMYC2 module in ginkgolide biosynthesis. TREE PHYSIOLOGY 2024; 44:tpad121. [PMID: 37741055 DOI: 10.1093/treephys/tpad121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 09/02/2023] [Accepted: 09/20/2023] [Indexed: 09/25/2023]
Abstract
Ginkgo biloba L., an ancient relict plant known as a 'living fossil', has a high medicinal and nutritional value in its kernels and leaves. Ginkgolides are unique diterpene lactone compounds in G. biloba, with favorable therapeutic effects on cardiovascular and cerebrovascular diseases. Thus, it is essential to study the biosynthesis and regulatory mechanism of ginkgolide, which will contribute to quality improvement and medication requirements. In this study, the regulatory roles of the JAZ gene family and GbCOI1/GbJAZs/GbMYC2 module in ginkgolide biosynthesis were explored based on genome and methyl jasmonate-induced transcriptome. Firstly, 18 JAZ proteins were identified from G. biloba, and the gene characteristics and expansion patterns along with evolutionary relationships of these GbJAZs were analyzed systematically. Expression patterns analysis indicated that most GbJAZs expressed highly in the fibrous root and were induced significantly by methyl jasmonate. Mechanistically, yeast two-hybrid assays suggested that GbJAZ3/11 interacted with both GbMYC2 and GbCOI1, and several GbJAZ proteins could form homodimers or heterodimers between the GbJAZ family. Moreover, GbMYC2 is directly bound to the G-box element in the promoter of GbLPS, to regulate the biosynthesis of ginkgolide. Collectively, these results systematically characterized the JAZ gene family in G. biloba and demonstrated that the GbCOI1/GbJAZs/GbMYC2 module could regulate ginkgolides biosynthesis, which provides a novel insight for studying the mechanism of JA regulating ginkgolide biosynthesis.
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Affiliation(s)
- Jin-Fa Du
- State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, No. 24 Tongjia Lane, Nanjing 210009, China
| | - Zhen Zhao
- State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, No. 24 Tongjia Lane, Nanjing 210009, China
| | - Wen-Bo Xu
- State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, No. 24 Tongjia Lane, Nanjing 210009, China
| | - Qiao-Lei Wang
- State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, No. 24 Tongjia Lane, Nanjing 210009, China
| | - Ping Li
- State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, No. 24 Tongjia Lane, Nanjing 210009, China
| | - Xu Lu
- State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, No. 24 Tongjia Lane, Nanjing 210009, China
- State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-di Herbs, Beijing, 100700, P. R. China
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Li S, Dong Y, Li D, Shi S, Zhao N, Liao J, Liu Y, Chen H. Eggplant transcription factor SmMYB5 integrates jasmonate and light signaling during anthocyanin biosynthesis. PLANT PHYSIOLOGY 2024; 194:1139-1165. [PMID: 37815242 DOI: 10.1093/plphys/kiad531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 08/18/2023] [Accepted: 08/19/2023] [Indexed: 10/11/2023]
Abstract
Low light conditions severely suppress anthocyanin synthesis in fruit skins, leading to compromised fruit quality in eggplant (Solanum melongena L.) production. In this study, we found that exogenous methyl-jasmonate (MeJA) application can effectively rescue the poor coloration of the eggplant pericarp under low light conditions. However, the regulatory relationship between jasmonate and light signaling for regulating anthocyanin synthesis remains unclear. Here, we identified a JA response factor, SmMYB5, as an anthocyanin positive regulator by applying RNA-sequencing and characterization of transgenic plants. Firstly, we resolved that SmMYB5 can interact with TRANSPARENT TESTA8 (SmTT8), an anthocyanin-promoted BASIC HELIX-LOOP-HELIX (bHLH) transcription factor, to form the SmMYB5-SmTT8 complex and activate CHALCONE SYNTHASE (SmCHS), FLAVANONE-3-HYDROXYLASE (SmF3H), and ANTHOCYANIN SYNTHASE (SmANS) promoters by direct binding. Secondly, we revealed that JA signaling repressors JASMONATE ZIM DOMAIN5 (SmJAZ5) and SmJAZ10 can interfere with the stability and transcriptional activity of SmMYB5-SmTT8 by interacting with SmMYB5. JA can partially rescue the transcriptional activation of SmF3H and SmANS promoters by inducing SmJAZ5/10 degradation. Thirdly, we demonstrated that the protein abundance of SmMYB5 is regulated by light. CONSTITUTIVELY PHOTOMORPHOGENIC1 (SmCOP1) interacts with SmMYB5 to trigger SmMYB5 degradation via the 26S proteasome pathway. Finally, we delineated a light-dependent JA-SmMYB5 signaling pathway that promotes anthocyanin synthesis in eggplant fruit skins. These results provide insights into the mechanism of the integration of JA and light signals in regulating secondary metabolite synthesis in plants.
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Affiliation(s)
- Shaohang Li
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Yanxiao Dong
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Dalu Li
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Suli Shi
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Na Zhao
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Jielei Liao
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Yang Liu
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Huoying Chen
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
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Zhang M, Luo X, He W, Zhang M, Peng Z, Deng H, Xing J. OsJAZ4 Fine-Tunes Rice Blast Resistance and Yield Traits. PLANTS (BASEL, SWITZERLAND) 2024; 13:348. [PMID: 38337880 PMCID: PMC10857531 DOI: 10.3390/plants13030348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 01/18/2024] [Accepted: 01/19/2024] [Indexed: 02/12/2024]
Abstract
JAZ proteins function as transcriptional regulators that form a jasmonic acid-isoleucine (JA-Ile) receptor complex with coronatine insensitive 1 (COI1) and regulate plant growth and development. These proteins also act as key mediators in signal transduction pathways that activate the defense-related genes. Herein, the role of OsJAZ4 in rice blast resistance, a severe disease, was examined. The mutation of OsJAZ4 revealed its significance in Magnaporthe oryzae (M. oryzae) resistance and the seed setting rate in rice. In addition, weaker M. oryzae-induced ROS production and expression of the defense genes OsO4g10010, OsWRKY45, OsNAC4, and OsPR3 was observed in osjaz4 compared to Nipponbare (NPB); also, the jasmonic acid (JA) and gibberellin4 (GA4) content was significantly lower in osjaz4 than in NPB. Moreover, osjaz4 exhibited a phenotype featuring a reduced seed setting rate. These observations highlight the involvement of OsJAZ4 in the regulation of JA and GA4 content, playing a positive role in regulating the rice blast resistance and seed setting rate.
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Affiliation(s)
- Mingfeng Zhang
- Longping Branch, College of Biology, Hunan University, Changsha 410125, China; (M.Z.); (X.L.); (M.Z.)
- State Key Laboratory of Hybrid Rice, Hunan Hybrid Rice Research Center, Hunan Academy of Agricultural Sciences, Changsha 410125, China;
| | - Xiao Luo
- Longping Branch, College of Biology, Hunan University, Changsha 410125, China; (M.Z.); (X.L.); (M.Z.)
- State Key Laboratory of Hybrid Rice, Hunan Hybrid Rice Research Center, Hunan Academy of Agricultural Sciences, Changsha 410125, China;
| | - Wei He
- National Engineering Laboratory for Rice and By-Product Deep Processing, Central South University of Forestry and Technology, Changsha 410004, China;
| | - Min Zhang
- Longping Branch, College of Biology, Hunan University, Changsha 410125, China; (M.Z.); (X.L.); (M.Z.)
- State Key Laboratory of Hybrid Rice, Hunan Hybrid Rice Research Center, Hunan Academy of Agricultural Sciences, Changsha 410125, China;
| | - Zhirong Peng
- State Key Laboratory of Hybrid Rice, Hunan Hybrid Rice Research Center, Hunan Academy of Agricultural Sciences, Changsha 410125, China;
| | - Huafeng Deng
- Longping Branch, College of Biology, Hunan University, Changsha 410125, China; (M.Z.); (X.L.); (M.Z.)
- State Key Laboratory of Hybrid Rice, Hunan Hybrid Rice Research Center, Hunan Academy of Agricultural Sciences, Changsha 410125, China;
| | - Junjie Xing
- Longping Branch, College of Biology, Hunan University, Changsha 410125, China; (M.Z.); (X.L.); (M.Z.)
- State Key Laboratory of Hybrid Rice, Hunan Hybrid Rice Research Center, Hunan Academy of Agricultural Sciences, Changsha 410125, China;
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Kaji T, Matsumoto K, Okumura T, Nakayama M, Hoshino S, Takaoka Y, Wang J, Ueda M. Two distinct modes of action of molecular glues in the plant hormone co-receptor COI1-JAZ system. iScience 2024; 27:108625. [PMID: 38188528 PMCID: PMC10770490 DOI: 10.1016/j.isci.2023.108625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2023] [Revised: 10/16/2023] [Accepted: 11/30/2023] [Indexed: 01/09/2024] Open
Abstract
The plant hormone (3R, 7S)-jasmonoyl-L-isoleucine ((3R, 7S)-JA-Ile) is perceived by the COI1-JAZ co-receptor in Arabidopsis thaliana, leading to the activation of gene expression for plant defense responses, growth, development, and other processes. Therefore, understanding the interaction between the COI1-JAZ co-receptor and its ligands is essential for the development of COI1-JAZ agonists and antagonists as potent chemical tools for regulating (3R, 7S)-JA-Ile signaling. This study demonstrated that COI1-JAZ has two independent modes of ligand perception using a differential scanning fluorimetry (DSF) assay. (3R, 7S)-JA-Ile is perceived through a one-step model in which (3R, 7S)-JA-Ile causes protein-protein interaction between COI1 and JAZ. In contrast, coronatine (COR), a mimic of (3R, 7S)-JA-Ile, is perceived through a two-step model in which COR is first perceived by COI1 and then recruits JAZ to form the COI1-COR-JAZ complex. Our results demonstrate two distinct modes of action of molecular glues causing protein-protein interactions.
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Affiliation(s)
- Takuya Kaji
- Department of Chemistry, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan
| | - Kotaro Matsumoto
- Department of Chemistry, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan
| | - Taichi Okumura
- Department of Chemistry, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan
| | - Misuzu Nakayama
- Department of Chemistry, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan
| | - Shunji Hoshino
- Department of Molecular and Chemical Life Sciences, Graduate School of Life Science, Tohoku University, Sendai 980-8578, Japan
| | - Yousuke Takaoka
- Department of Chemistry, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan
| | - Jianxin Wang
- Department of Chemistry, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan
| | - Minoru Ueda
- Department of Chemistry, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan
- Department of Molecular and Chemical Life Sciences, Graduate School of Life Science, Tohoku University, Sendai 980-8578, Japan
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Zhang X, Yu Y, Zhang J, Qian X, Li X, Sun X. Recent Progress Regarding Jasmonates in Tea Plants: Biosynthesis, Signaling, and Function in Stress Responses. Int J Mol Sci 2024; 25:1079. [PMID: 38256153 PMCID: PMC10816084 DOI: 10.3390/ijms25021079] [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: 12/16/2023] [Revised: 01/11/2024] [Accepted: 01/12/2024] [Indexed: 01/24/2024] Open
Abstract
Tea plants have to adapt to frequently challenging environments due to their sessile lifestyle and perennial evergreen nature. Jasmonates regulate not only tea plants' responses to biotic stresses, including herbivore attack and pathogen infection, but also tolerance to abiotic stresses, such as extreme weather conditions and osmotic stress. In this review, we summarize recent progress about jasmonaic acid (JA) biosynthesis and signaling pathways, as well as the underlying mechanisms mediated by jasmontes in tea plants in responses to biotic stresses and abiotic stresses. This review provides a reference for future research on the JA signaling pathway in terms of its regulation against various stresses of tea plants. Due to the lack of a genetic transformation system, the JA pathway of tea plants is still in the preliminary stages. It is necessary to perform further efforts to identify new components involved in the JA regulatory pathway through the combination of genetic and biochemical methods.
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Affiliation(s)
- Xin Zhang
- Tea Research Institute, Chinese Academy of Agricultural Sciences, No. 9 South Meiling Road, Hangzhou 310008, China; (X.Z.); (Y.Y.); (J.Z.); (X.Q.); (X.L.)
- Key Laboratory of Biology, Genetics and Breeding of Special Economic Animals and Plants, Ministry of Agriculture and Rural Affairs, Hangzhou 310008, China
| | - Yongchen Yu
- Tea Research Institute, Chinese Academy of Agricultural Sciences, No. 9 South Meiling Road, Hangzhou 310008, China; (X.Z.); (Y.Y.); (J.Z.); (X.Q.); (X.L.)
- Key Laboratory of Biology, Genetics and Breeding of Special Economic Animals and Plants, Ministry of Agriculture and Rural Affairs, Hangzhou 310008, China
| | - Jin Zhang
- Tea Research Institute, Chinese Academy of Agricultural Sciences, No. 9 South Meiling Road, Hangzhou 310008, China; (X.Z.); (Y.Y.); (J.Z.); (X.Q.); (X.L.)
- Key Laboratory of Biology, Genetics and Breeding of Special Economic Animals and Plants, Ministry of Agriculture and Rural Affairs, Hangzhou 310008, China
| | - Xiaona Qian
- Tea Research Institute, Chinese Academy of Agricultural Sciences, No. 9 South Meiling Road, Hangzhou 310008, China; (X.Z.); (Y.Y.); (J.Z.); (X.Q.); (X.L.)
- Key Laboratory of Biology, Genetics and Breeding of Special Economic Animals and Plants, Ministry of Agriculture and Rural Affairs, Hangzhou 310008, China
| | - Xiwang Li
- Tea Research Institute, Chinese Academy of Agricultural Sciences, No. 9 South Meiling Road, Hangzhou 310008, China; (X.Z.); (Y.Y.); (J.Z.); (X.Q.); (X.L.)
- Key Laboratory of Biology, Genetics and Breeding of Special Economic Animals and Plants, Ministry of Agriculture and Rural Affairs, Hangzhou 310008, China
| | - Xiaoling Sun
- Tea Research Institute, Chinese Academy of Agricultural Sciences, No. 9 South Meiling Road, Hangzhou 310008, China; (X.Z.); (Y.Y.); (J.Z.); (X.Q.); (X.L.)
- Key Laboratory of Biology, Genetics and Breeding of Special Economic Animals and Plants, Ministry of Agriculture and Rural Affairs, Hangzhou 310008, China
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Holtsclaw RE, Mahmud S, Koo AJ. Identification and characterization of GLYCEROLIPASE A1 for wound-triggered JA biosynthesis in Nicotiana benthamiana leaves. PLANT MOLECULAR BIOLOGY 2024; 114:4. [PMID: 38227103 DOI: 10.1007/s11103-023-01408-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 12/03/2023] [Indexed: 01/17/2024]
Abstract
Although many important discoveries have been made regarding the jasmonate signaling pathway, how jasmonate biosynthesis is initiated is still a major unanswered question in the field. Previous evidences suggest that jasmonate biosynthesis is limited by the availability of fatty acid precursor, such as ⍺-linolenic acid (⍺-LA). This indicates that the lipase responsible for releasing α-LA in the chloroplast, where early steps of jasmonate biosynthesis take place, is the key initial step in the jasmonate biosynthetic pathway. Nicotiana benthamiana glycerol lipase A1 (NbGLA1) is homologous to N. attenuata GLA1 (NaGLA1) which has been reported to be a major lipase in leaves for jasmonate biosynthesis. NbGLA1 was studied for its potential usefulness in a species that is more common in laboratories. Virus-induced gene silencing of both NbGLA1 and NbGLA2, another homolog, resulted in more than 80% reduction in jasmonic acid (JA) biosynthesis in wounded leaves. Overexpression of NbGLA1 utilizing an inducible vector system failed to increase JA, indicating that transcriptional induction of NbGLA1 is insufficient to trigger JA biosynthesis. However, co-treatment with wounding in addition to NbGLA1 induction increased JA accumulation several fold higher than the gene expression or wounding alone, indicating an enhancement of the enzyme activity by wounding. Domain-deletion of a 126-bp C-terminal region hypothesized to have regulatory roles increased NbGLA1-induced JA level. Together, the data show NbGLA1 to be a major lipase for wound-induced JA biosynthesis in N. benthamiana leaves and demonstrate the use of inducible promoter-driven construct of NbGLA1 in conjunction with its transient expression in N. benthamiana as a useful system to study its protein function.
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Affiliation(s)
- Rebekah E Holtsclaw
- Department of Biochemistry, University of Missouri, 65211, Columbia, MO, USA
- Rubi Laboratories, 94577, San Leandro, CA, USA
| | - Sakil Mahmud
- Department of Biochemistry, University of Missouri, 65211, Columbia, MO, USA
| | - Abraham J Koo
- Department of Biochemistry, University of Missouri, 65211, Columbia, MO, USA.
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Cheng HY, Wang W, Wang W, Yang MY, Zhou YY. Interkingdom Hormonal Regulations between Plants and Animals Provide New Insight into Food Safety. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:4-26. [PMID: 38156955 DOI: 10.1021/acs.jafc.3c04712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
Food safety has become an attractive topic among consumers. Raw material production for food is also a focus of social attention. As hormones are widely used in agriculture and human disease control, consumers' concerns about the safety of hormone agents have never disappeared. The present review focuses on the interkingdom regulations of exogenous animal hormones in plants and phytohormones in animals, including physiology and stress resistance. We summarize these interactions to give the public, researchers, and policymakers some guidance and suggestions. Accumulated evidence demonstrates comprehensive hormonal regulation across plants and animals. Animal hormones, interacting with phytohormones, help regulate plant development and enhance environmental resistance. Correspondingly, phytohormones may also cause damage to the reproductive and urinary systems of animals. Notably, the disease-resistant role of phytohormones is revealed against neurodegenerative diseases, cardiovascular disease, cancer, and diabetes. These resistances derive from the control for abnormal cell cycle, energy balance, and activity of enzymes. Further exploration of these cross-kingdom mechanisms would surely be of greater benefit to human health and agriculture development.
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Affiliation(s)
- Hang-Yuan Cheng
- State Key Laboratory of Plant Environmental Resilience, Engineering Research Center of Plant Growth Regulator, Ministry of Education & College of Agronomy and Biotechnology, China Agricultural University, No. 2 Yuanmingyuan Xi Lu, Haidian District, Beijing 100193, China
- State Key Laboratory of Plant Genomics, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China
- College of Advanced Agricultural Sciences, University of the Chinese Academy of Sciences, Beijing 100049, China
| | - Wen Wang
- Human Development Family Studies, Iowa State University, 2330 Palmer Building, Ames, Iowa 50010, United States
| | - Wei Wang
- State Key Laboratory of Plant Environmental Resilience, Engineering Research Center of Plant Growth Regulator, Ministry of Education & College of Agronomy and Biotechnology, China Agricultural University, No. 2 Yuanmingyuan Xi Lu, Haidian District, Beijing 100193, China
| | - Mu-Yu Yang
- State Key Laboratory of Plant Environmental Resilience, Engineering Research Center of Plant Growth Regulator, Ministry of Education & College of Agronomy and Biotechnology, China Agricultural University, No. 2 Yuanmingyuan Xi Lu, Haidian District, Beijing 100193, China
| | - Yu-Yi Zhou
- State Key Laboratory of Plant Environmental Resilience, Engineering Research Center of Plant Growth Regulator, Ministry of Education & College of Agronomy and Biotechnology, China Agricultural University, No. 2 Yuanmingyuan Xi Lu, Haidian District, Beijing 100193, China
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Zu H, Jin G, Kong Y, Li Z, Lou Y, Li R. The N-terminal α2 helix element is critical for the activity of the rice transcription factor MYC2. PLANT MOLECULAR BIOLOGY 2024; 114:2. [PMID: 38189841 DOI: 10.1007/s11103-023-01411-y] [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: 09/21/2023] [Accepted: 11/21/2023] [Indexed: 01/09/2024]
Abstract
Jasmonates (JAs) are a class of phytohormones that play a crucial role in plant growth, development, and environmental stress responses. Central to JA signaling are the MYC2-type transcription factors, as they activate the expression of JA-responsive genes. We previously used CRISPR-Cas9-based genome editing to engineer rice OsMYC2 and yielded a mutant (myc2-5) with a single amino acid (aa) deletion (75I) outside the known functional domains of the protein. This myc2-5 mutant also showed some JA-deficient phenotypes, promoting us to investigate how 75I deletion affects JA responses. The mutation is found in the α2 helix element at the N-terminal of OsMYC2. The deletion of 75I in OsMYC2 rendered plants deficient in most of the JA responses, including root growth, leaf senescence, spikelet development, and resistance to pathogens and herbivores. Biochemical assays revealed that the 75I deletion markedly reduced OsMYC2 protein accumulation, subsequently diminishing its transcriptional activity. However, the deletion did not influence the protein's subcellular localization, DNA-binding capability, or its interactions with JAZ transcriptional repressors and the Mediator complex subunit MED25. Additionally, the screening of seven other deletions in the α2 helix further reinforces the importance of this protein element. Our results highlight the significance of the α2 helix in the N-terminus for OsMYC2's functionality, primarily through modulating its protein levels. This insight expands our knowledge of JA signaling and opens new avenues for research into the yet-to-be-explored domains of the MYC2 protein, with the potential to tailor JA responses in rice and other plant species.
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Affiliation(s)
- Hongyue Zu
- Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Insect Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Gaochen Jin
- Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Insect Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Yaze Kong
- Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Insect Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Zhaoyang Li
- Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Insect Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Yonggen Lou
- Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Insect Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Ran Li
- Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Insect Sciences, Zhejiang University, Hangzhou, 310058, China.
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Ningbo University, Ningbo, 315211, China.
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Wang L, Erb M. Feeding Assay to Study the Effect of Phytocytokines on Direct and Indirect Defense in Maize. Methods Mol Biol 2024; 2731:133-142. [PMID: 38019431 DOI: 10.1007/978-1-0716-3511-7_10] [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] [Indexed: 11/30/2023]
Abstract
Phytocytokines mediate defense against pests and pathogens. Many methods have been developed to study the physiological responses triggered by phytocytokines in dicot plants. Here, we describe a detailed peptide feeding protocol to study the effect of phytocytokines on direct and indirect anti-herbivore defense in maize. This method relies on peptide uptake by the excised maize seedling or leaves via the transpiration stream. The headspace volatiles from plant samples are then analyzed by proton transfer reaction time-of-flight mass spectrometry (PTR-TOF-MS), or by gas chromatography-mass spectrometry (GC-MS). The samples can also be further processed to evaluate phytocytokine-induced defense gene expression or phytohormone production.
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Affiliation(s)
- Lei Wang
- Institute of Plant Sciences, University of Bern, Bern, Switzerland.
| | - Matthias Erb
- Institute of Plant Sciences, University of Bern, Bern, Switzerland
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Hou S, Rodrigues O, Liu Z, Shan L, He P. Small holes, big impact: Stomata in plant-pathogen-climate epic trifecta. MOLECULAR PLANT 2024; 17:26-49. [PMID: 38041402 PMCID: PMC10872522 DOI: 10.1016/j.molp.2023.11.011] [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: 09/20/2023] [Revised: 11/09/2023] [Accepted: 11/28/2023] [Indexed: 12/03/2023]
Abstract
The regulation of stomatal aperture opening and closure represents an evolutionary battle between plants and pathogens, characterized by adaptive strategies that influence both plant resistance and pathogen virulence. The ongoing climate change introduces further complexity, affecting pathogen invasion and host immunity. This review delves into recent advances on our understanding of the mechanisms governing immunity-related stomatal movement and patterning with an emphasis on the regulation of stomatal opening and closure dynamics by pathogen patterns and host phytocytokines. In addition, the review explores how climate changes impact plant-pathogen interactions by modulating stomatal behavior. In light of the pressing challenges associated with food security and the unpredictable nature of climate changes, future research in this field, which includes the investigation of spatiotemporal regulation and engineering of stomatal immunity, emerges as a promising avenue for enhancing crop resilience and contributing to climate control strategies.
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Affiliation(s)
- Shuguo Hou
- Peking University Institute of Advanced Agricultural Sciences, Shandong Laboratory of Advanced Agriculture Sciences in Weifang, Weifang, Shandong 261325, China; School of Municipal & Environmental Engineering, Shandong Jianzhu University, Jinan, Shandong 250101, China.
| | - Olivier Rodrigues
- Unité de Recherche Physiologie, Pathologie et Génétique Végétales, Université de Toulouse Midi-Pyrénées, INP-PURPAN, 31076 Toulouse, France
| | - Zunyong Liu
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Libo Shan
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Ping He
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, MI 48109, USA.
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Li J, Fan T, Zhang Y, Xing Y, Chen M, Wang Y, Gao J, Zhang N, Tian J, Zhao C, Zhen S, Fu J, Mu X, Tang J, Niu H, Gou M. Characterization and fine mapping of a maize lesion mimic mutant (Les8) with enhanced resistance to Curvularia leaf spot and southern leaf blight. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2023; 137:7. [PMID: 38093101 DOI: 10.1007/s00122-023-04511-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 11/18/2023] [Indexed: 12/18/2023]
Abstract
KEY MESSAGE A novel light-dependent dominant lesion mimic mutant with enhanced multiple disease resistance was physiologically, biochemically, and genetically characterized; the causal gene was fine mapped to a 909 kb interval containing 38 genes. Identification of genes that confer multiple disease resistance (MDR) is crucial for the improvement of maize disease resistance. However, very limited genes are identified as MDR genes in maize. In this study, we characterized a dominant disease lesion mimics 8 (Les8) mutant that had chlorotic lesions on the leaves and showed enhanced resistance to both curvularia leaf spot and southern leaf blight. Major agronomic traits were not obviously altered, while decreased chlorophyll content was observed in the mutant, and the genetic effect of the Les8 mutation was stable in different genetic backgrounds. By BSR-seq analysis and map-based cloning, the LES8 gene was mapped into a 909 kb region containing 38 candidate genes on chromosome 9 wherein no lesion mimic or disease-resistance genes were previously reported. Using transcriptomics analysis, we found that genes involved in defense responses and secondary metabolite biosynthesis were enriched in the significantly up-regulated genes, while genes involved in photosynthesis and carbohydrate-related pathways were enriched in the significantly down-regulated genes in Les8. In addition, there was an overaccumulation of jasmonic acid and lignin but not salicylic acid in Les8. Taken together, this study revealed candidate genes and potential mechanism underlying Les8-conferred MDR in maize.
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Affiliation(s)
- Jiankun Li
- State Key Laboratory of Wheat and Maize Crop Science, Collaborative Innovation Center of Henan Grain Crops, Center for Crop Genome Engineering, College of Agronomy, Henan Agricultural University, Zhengzhou, 450002, China
- The Shennong Laboratory, Zhengzhou, 450002, Henan, China
| | - Tianyuan Fan
- State Key Laboratory of Wheat and Maize Crop Science, Collaborative Innovation Center of Henan Grain Crops, Center for Crop Genome Engineering, College of Agronomy, Henan Agricultural University, Zhengzhou, 450002, China
| | - Ying Zhang
- State Key Laboratory of Wheat and Maize Crop Science, Collaborative Innovation Center of Henan Grain Crops, Center for Crop Genome Engineering, College of Agronomy, Henan Agricultural University, Zhengzhou, 450002, China
| | - Ye Xing
- State Key Laboratory of Wheat and Maize Crop Science, Collaborative Innovation Center of Henan Grain Crops, Center for Crop Genome Engineering, College of Agronomy, Henan Agricultural University, Zhengzhou, 450002, China
| | - Mengyao Chen
- State Key Laboratory of Wheat and Maize Crop Science, Collaborative Innovation Center of Henan Grain Crops, Center for Crop Genome Engineering, College of Agronomy, Henan Agricultural University, Zhengzhou, 450002, China
| | - Ying Wang
- State Key Laboratory of Wheat and Maize Crop Science, Collaborative Innovation Center of Henan Grain Crops, Center for Crop Genome Engineering, College of Agronomy, Henan Agricultural University, Zhengzhou, 450002, China
| | - Jie Gao
- State Key Laboratory of Wheat and Maize Crop Science, Collaborative Innovation Center of Henan Grain Crops, Center for Crop Genome Engineering, College of Agronomy, Henan Agricultural University, Zhengzhou, 450002, China
| | - Na Zhang
- State Key Laboratory of Wheat and Maize Crop Science, Collaborative Innovation Center of Henan Grain Crops, Center for Crop Genome Engineering, College of Agronomy, Henan Agricultural University, Zhengzhou, 450002, China
| | - Jinjun Tian
- State Key Laboratory of Wheat and Maize Crop Science, Collaborative Innovation Center of Henan Grain Crops, Center for Crop Genome Engineering, College of Agronomy, Henan Agricultural University, Zhengzhou, 450002, China
| | - Chenyang Zhao
- State Key Laboratory of Wheat and Maize Crop Science, Collaborative Innovation Center of Henan Grain Crops, Center for Crop Genome Engineering, College of Agronomy, Henan Agricultural University, Zhengzhou, 450002, China
| | - Sihan Zhen
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Junjie Fu
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Xiaohuan Mu
- State Key Laboratory of Wheat and Maize Crop Science, Collaborative Innovation Center of Henan Grain Crops, Center for Crop Genome Engineering, College of Agronomy, Henan Agricultural University, Zhengzhou, 450002, China
- The Shennong Laboratory, Zhengzhou, 450002, Henan, China
| | - Jihua Tang
- State Key Laboratory of Wheat and Maize Crop Science, Collaborative Innovation Center of Henan Grain Crops, Center for Crop Genome Engineering, College of Agronomy, Henan Agricultural University, Zhengzhou, 450002, China
- The Shennong Laboratory, Zhengzhou, 450002, Henan, China
| | - Hongbin Niu
- State Key Laboratory of Wheat and Maize Crop Science, Collaborative Innovation Center of Henan Grain Crops, Center for Crop Genome Engineering, College of Agronomy, Henan Agricultural University, Zhengzhou, 450002, China.
| | - Mingyue Gou
- State Key Laboratory of Wheat and Maize Crop Science, Collaborative Innovation Center of Henan Grain Crops, Center for Crop Genome Engineering, College of Agronomy, Henan Agricultural University, Zhengzhou, 450002, China.
- The Shennong Laboratory, Zhengzhou, 450002, Henan, China.
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