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Liu J, Yang Y, Ortiz-Morea FA, Zhou Y, Liu D, Huang Y, Zheng J, Chen Y, Kong L, Liu Z, Ge D, Yong M, Lin W, Russinova E, Shan L, He P. The antagonistic role of an E3 ligase pair in regulating plant NLR-mediated autoimmunity and fungal pathogen resistance. Cell Host Microbe 2024; 32:1114-1128.e10. [PMID: 38955187 DOI: 10.1016/j.chom.2024.06.004] [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: 11/02/2023] [Revised: 05/09/2024] [Accepted: 06/04/2024] [Indexed: 07/04/2024]
Abstract
Plant immune homeostasis is achieved through a balanced immune activation and suppression, enabling effective defense while averting autoimmunity. In Arabidopsis, disrupting a mitogen-activated protein (MAP) kinase cascade triggers nucleotide-binding leucine-rich-repeat (NLR) SUPPRESSOR OF mkk1/2 2 (SUMM2)-mediated autoimmunity. Through an RNAi screen, we identify PUB5, a putative plant U-box E3 ligase, as a critical regulator of SUMM2-mediated autoimmunity. In contrast to typical E3 ligases, PUB5 stabilizes CRCK3, a calmodulin-binding receptor-like cytoplasmic kinase involved in SUMM2 activation. A closely related E3 ligase, PUB44, functions oppositely with PUB5 to degrade CRCK3 through monoubiquitylation and internalization. Furthermore, CRCK3, highly expressed in roots and conserved across plant species, confers resistance to Fusarium oxysporum, a devastating soil-borne fungal pathogen, in both Arabidopsis and cotton. These findings demonstrate the antagonistic role of an E3 ligase pair in fine-tuning kinase proteostasis for the regulation of NLR-mediated autoimmunity and highlight the function of autoimmune activators in governing plant root immunity against fungal pathogens.
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Affiliation(s)
- Jun Liu
- Department of Biochemistry & Biophysics, Texas A&M University, College Station, TX 77843, USA; State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, China
| | - Yong Yang
- Department of Biochemistry & Biophysics, Texas A&M University, College Station, TX 77843, USA
| | - Fausto Andres Ortiz-Morea
- Department of Biochemistry & Biophysics, Texas A&M University, College Station, TX 77843, USA; Department of Molecular, Cellular, & Developmental Biology, University of Michigan, Ann Arbor, MI 48109, USA; Amazonian Research Center Cimaz-Macagual, University of the Amazon, Florencia 180002622, Colombia
| | - Yulu Zhou
- Department of Molecular, Cellular, & Developmental Biology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Derui Liu
- Department of Biochemistry & Biophysics, Texas A&M University, College Station, TX 77843, USA; Department of Plant Biotechnology & Bioinformatics, Ghent University, and Center for Plant Systems Biology, VIB, Ghent 9052, Belgium
| | - Yanyan Huang
- Department of Biochemistry & Biophysics, Texas A&M University, College Station, TX 77843, USA
| | - Jiarui Zheng
- State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, China
| | - Yan Chen
- State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, China
| | - Liang Kong
- Department of Biochemistry & Biophysics, Texas A&M University, College Station, TX 77843, USA; Department of Molecular, Cellular, & Developmental Biology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Zunyong Liu
- Department of Biochemistry & Biophysics, Texas A&M University, College Station, TX 77843, USA; Department of Molecular, Cellular, & Developmental Biology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Dongdong Ge
- Department of Biochemistry & Biophysics, Texas A&M University, College Station, TX 77843, USA
| | - Mingli Yong
- Department of Biochemistry & Biophysics, Texas A&M University, College Station, TX 77843, USA
| | - Wenwei Lin
- Department of Biochemistry & Biophysics, Texas A&M University, College Station, TX 77843, USA
| | - Eugenia Russinova
- Department of Plant Biotechnology & Bioinformatics, Ghent University, and Center for Plant Systems Biology, VIB, Ghent 9052, Belgium
| | - Libo Shan
- Department of Biochemistry & Biophysics, Texas A&M University, College Station, TX 77843, USA; Department of Molecular, Cellular, & Developmental Biology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Ping He
- Department of Biochemistry & Biophysics, Texas A&M University, College Station, TX 77843, USA; Department of Molecular, Cellular, & Developmental Biology, University of Michigan, Ann Arbor, MI 48109, USA.
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Martínez M, Arata A, Dinolfo MI, Lázaro L, Welin B, Stenglein S. Evaluation of PSP1 biostimulant on Fusarium graminearum-wheat pathosystem: impact on disease parameters, grain yield, and grain quality. PEST MANAGEMENT SCIENCE 2024; 80:3578-3589. [PMID: 38450978 DOI: 10.1002/ps.8062] [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: 08/16/2023] [Revised: 02/20/2024] [Accepted: 03/07/2024] [Indexed: 03/08/2024]
Abstract
BACKGROUND Plant defense elicitors are valuable tools in sustainable agriculture, providing an environmentally friendly and effective means of enhancing plant defense and promoting plant health. Fusarium head blight (FHB) is one of the most important fungal diseases of cereal crops worldwide. The PSP1 is a novel biopesticide formulated based on an elicitor, the extracellular protein AsES, from the fungus Sarocladium strictum. The present work aimed to evaluate the effectiveness of PSP1 in controlling FHB under field conditions. Experiments were conducted during three consecutive growing seasons (2019, 2020, and 2021). Three biostimulant treatments were tested in different physiological stages (from late tillering to heading stage), and FHB inoculations were performed at anthesis. Disease parameters, seed parameters, grain yield, and grain quality parameters were evaluated. RESULTS Depending on the year and the genotype, reductions in disease incidence (up to 11%) and disease severity (up to 5%) were reported, although these differences could not be attributed to the use of the PSP1 biostimulant. Occasional improvements in seed parameters and grain quality were observed, suggesting that early treatments could work better than late treatments, probably due to early activation/priming of defense response mechanisms. However, more studies are deemed necessary. CONCLUSION The use of PSP1 biostimulant in commercial wheat crops could be a biological alternative or complement to traditional chemical fungicides to manage FHB. The reduced environmental impact and the potential benefits in grain yield and quality are other reasons that can generate new adherents of this technology in worldwide agriculture systems in the coming years. © 2024 Society of Chemical Industry.
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Affiliation(s)
- Mauro Martínez
- Laboratorio de Biología Funcional y Biotecnología, BIOLAB-INBIOTEC-CONICET-CICBA. Facultad de Agronomía, UNCPBA, Buenos Aires, Argentina
- Área de Mejoramiento y Genética Vegetal. Facultad de Agronomía, UNCPBA, Buenos Aires, Argentina
| | - Agustín Arata
- Laboratorio de Biología Funcional y Biotecnología, BIOLAB-INBIOTEC-CONICET-CICBA. Facultad de Agronomía, UNCPBA, Buenos Aires, Argentina
- Centro de Investigaciones Integradas sobre Sistemas Agronómicos Sustentables (CIISAS). Facultad de Agronomía, UNCPBA, Buenos Aires, Argentina
| | - María Inés Dinolfo
- Laboratorio de Biología Funcional y Biotecnología, BIOLAB-INBIOTEC-CONICET-CICBA. Facultad de Agronomía, UNCPBA, Buenos Aires, Argentina
- Área de Mejoramiento y Genética Vegetal. Facultad de Agronomía, UNCPBA, Buenos Aires, Argentina
| | - Laura Lázaro
- Centro de Investigaciones Integradas sobre Sistemas Agronómicos Sustentables (CIISAS). Facultad de Agronomía, UNCPBA, Buenos Aires, Argentina
| | - Björn Welin
- Instituto de Tecnología Agroindustrial del Noroeste Argentino, Estación Experimental Agroindustrial Obispo Colombres-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Tucumán, Argentina
| | - Sebastián Stenglein
- Laboratorio de Biología Funcional y Biotecnología, BIOLAB-INBIOTEC-CONICET-CICBA. Facultad de Agronomía, UNCPBA, Buenos Aires, Argentina
- Área de Microbiología. Facultad de Agronomía, UNCPBA, Buenos Aires, Argentina
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Sheikh AH, Zacharia I, Tabassum N, Hirt H, Ntoukakis V. 14-3-3 proteins as a major hub for plant immunity. TRENDS IN PLANT SCIENCE 2024:S1360-1385(24)00145-6. [PMID: 38955584 DOI: 10.1016/j.tplants.2024.06.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 05/07/2024] [Accepted: 06/06/2024] [Indexed: 07/04/2024]
Abstract
14-3-3 proteins, ubiquitously present in eukaryotic cells, are regulatory proteins involved in a plethora of cellular processes. In plants, they have been studied in the context of metabolism, development, and stress responses. Recent studies have highlighted the pivotal role of 14-3-3 proteins in regulating plant immunity. The ability of 14-3-3 proteins to modulate immune responses is primarily attributed to their function as interaction hubs, mediating protein-protein interactions and thereby regulating the activity and overall function of their binding partners. Here, we shed light on how 14-3-3 proteins contribute to plant defense mechanisms, the implications of their interactions with components of plant immunity cascades, and the potential for leveraging this knowledge for crop improvement strategies.
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Affiliation(s)
- Arsheed H Sheikh
- Center for Desert Agriculture, Division of Biological and Environmental Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia.
| | - Iosif Zacharia
- School of Life Sciences, University of Warwick, Coventry CV4 7AL, UK
| | - Naheed Tabassum
- Center for Desert Agriculture, Division of Biological and Environmental Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
| | - Heribert Hirt
- Center for Desert Agriculture, Division of Biological and Environmental Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
| | - Vardis Ntoukakis
- School of Life Sciences, University of Warwick, Coventry CV4 7AL, UK.
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Wang B, Zhou Z, Zhou JM, Li J. Myosin XI-mediated BIK1 recruitment to nanodomains facilitates FLS2-BIK1 complex formation during innate immunity in Arabidopsis. Proc Natl Acad Sci U S A 2024; 121:e2312415121. [PMID: 38875149 PMCID: PMC11194512 DOI: 10.1073/pnas.2312415121] [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: 07/20/2023] [Accepted: 05/14/2024] [Indexed: 06/16/2024] Open
Abstract
Plants rely on immune receptor complexes at the cell surface to perceive microbial molecules and transduce these signals into the cell to regulate immunity. Various immune receptors and associated proteins are often dynamically distributed in specific nanodomains on the plasma membrane (PM). However, the exact molecular mechanism and functional relevance of this nanodomain targeting in plant immunity regulation remain largely unknown. By utilizing high spatiotemporal resolution imaging and single-particle tracking analysis, we show that myosin XIK interacts with remorin to recruit and stabilize PM-associated kinase BOTRYTIS-INDUCED KINASE 1 (BIK1) within immune receptor FLAGELLIN SENSING 2 (FLS2)-containing nanodomains. This recruitment facilitates FLS2/BIK1 complex formation, leading to the full activation of BIK1-dependent defense responses upon ligand perception. Collectively, our findings provide compelling evidence that myosin XI functions as a molecular scaffold to enable a spatially confined complex assembly within nanodomains. This ensures the presence of a sufficient quantity of preformed immune receptor complex for efficient signaling transduction from the cell surface.
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Affiliation(s)
- Bingxiao Wang
- Beijing Key Laboratory of Gene Resource and Molecular Development, College of Life Science, Beijing Normal University, Beijing100875, China
| | - Zhaoyang Zhou
- Department of Vegetable Sciences, Key Laboratory of Growth and Developmental Regulation for Protected Vegetable Crops, China Agricultural University, Beijing100193, China
| | - Jian-Min Zhou
- State Key Laboratory of Plant Genomics, Institute of Genetics and Developmental Biology, Innovation Academy for Seed Design, Chinese Academy of Sciences, Beijing100101, China
- Yazhouwan National Laboratory, Sanya, Hainan Province572024, China
- Chinese Academy of Sciences Center for Excellence in Biotic Interactions, University of Chinese Academy of Sciences, Beijing100049, China
| | - Jiejie Li
- Beijing Key Laboratory of Gene Resource and Molecular Development, College of Life Science, Beijing Normal University, Beijing100875, China
- Key Laboratory of Cell Proliferation and Regulation of Ministry of Education, College of Life Science, Beijing Normal University, Beijing100875, China
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5
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Rui L, Wen TY, Qiu YJ, Yang D, Ye JR, Wu XQ. A pioneer nematode effector suppresses plant reactive oxygen species burst by interacting with the class III peroxidase. PLANT, CELL & ENVIRONMENT 2024. [PMID: 38808618 DOI: 10.1111/pce.14939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 04/02/2024] [Accepted: 04/27/2024] [Indexed: 05/30/2024]
Abstract
Bursaphelenchus xylophilus is the pathogen of pine wilt disease, which can devastate the pine forest ecosystem. Usually, plant cells generate reactive oxygen species (ROS) as a defensive substance or signalling molecules to resist the infection of nematodes. However, little is known about how B. xylophilus effectors mediate the plant ROS metabolism. Here, we identified a pioneer B. xylophilus Prx3-interacting effector 1 (BxPIE1) expressed in the dorsal gland cells and the intestine. Silencing of the BxPIE1 gene resulted in reduced nematode reproduction and a delay in disease progression during parasitic stages, with the upregulation of pathogenesis-related (PR) genes PtPR-3 (class Ⅳ chitinase) and PtPR-9 (peroxidase). The protein-protein interaction assays further demonstrated that BxPIE1 interacts with a Pinus thunbergii class III peroxidase (PtPrx3), which produces H2O2 under biotic stress. The expression of BxPIE1 and PtPrx3 was upregulated during the infection stage. Furthermore, BxPIE1 effectively inhibited H2O2 generating from class III peroxidase and ascorbate can recover the virulence of siBxPIE1-treated B. xylophilus by scavenging H2O2. Taken together, BxPIE1 is an important virulence factor, revealing a novel mechanism utilized by nematodes to suppress plant immunity.
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Affiliation(s)
- Lin Rui
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Forestry, Nanjing Forestry University, Nanjing, China
- Jiangsu Key Laboratory for Prevention and Management of Invasive Species, Nanjing Forestry University, Nanjing, China
| | - Tong-Yue Wen
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Forestry, Nanjing Forestry University, Nanjing, China
- Jiangsu Key Laboratory for Prevention and Management of Invasive Species, Nanjing Forestry University, Nanjing, China
| | - Yi-Jun Qiu
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Forestry, Nanjing Forestry University, Nanjing, China
- Jiangsu Key Laboratory for Prevention and Management of Invasive Species, Nanjing Forestry University, Nanjing, China
| | - Dan Yang
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Forestry, Nanjing Forestry University, Nanjing, China
- Jiangsu Key Laboratory for Prevention and Management of Invasive Species, Nanjing Forestry University, Nanjing, China
| | - Jian-Ren Ye
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Forestry, Nanjing Forestry University, Nanjing, China
- Jiangsu Key Laboratory for Prevention and Management of Invasive Species, Nanjing Forestry University, Nanjing, China
| | - Xiao-Qin Wu
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Forestry, Nanjing Forestry University, Nanjing, China
- Jiangsu Key Laboratory for Prevention and Management of Invasive Species, Nanjing Forestry University, Nanjing, China
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6
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Gao L, Pei Y, Wang P, Cen Y, Yan X, Hou Y. Cotton SNARE complex component GhSYP121 regulates salicylic acid signaling during defense against Verticillium dahliae. J Cell Physiol 2024. [PMID: 38801215 DOI: 10.1002/jcp.31329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 04/16/2024] [Accepted: 05/16/2024] [Indexed: 05/29/2024]
Abstract
Syntaxin of plant (SYP) plays a crucial role in SNARE-mediated membrane trafficking during endocytic and secretory pathways, contributing to the regulation and execution of plant immunity against pathogens. Verticillium wilt is among the most destructive fungal diseases affecting cotton worldwide. However, information regarding SYP family genes in cotton is scarce. Through genome-wide identification and transcriptome profiling, we identified GhSYP121, a Qa SNARE gene in Gossypium hirsutum. GhSYP121 is notably induced by Verticillium dahliae, the causal agent of Verticillium wilt in cotton, and acts as a negative regulator of defense against V. dahliae. This is evidenced by the reduced resistance of GhSYP121-deficient cotton and the increased susceptibility of GhSYP121-overexpressing lines. Furthermore, the activation of the salicylic acid (SA) pathway by V. dahliae is inversely correlated with the expression level of GhSYP121. GhSYP121 interacts with its cognate SNARE component, GhSNAP33, which is required for the penetration resistance against V. dahliae in cotton. Collectively, GhSYP121, as a member of the cotton SNARE complex, is involved in regulating the SA pathway during plant defense against V. dahliae. This finding enhances our understanding of the potential role of GhSYP121 in these distinct pathways that contribute to plant defense against V. dahliae infection.
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Affiliation(s)
- Linying Gao
- College of Science, China Agricultural University, Beijing, China
| | - Yakun Pei
- College of Science, China Agricultural University, Beijing, China
- Institute of Pesticide Science, College of Plant Protection, Northwest A & F University, Yangling, China
| | - Ping Wang
- College of Science, China Agricultural University, Beijing, China
| | - Yuhan Cen
- College of Science, China Agricultural University, Beijing, China
| | - Xin Yan
- College of Science, China Agricultural University, Beijing, China
| | - Yuxia Hou
- College of Science, China Agricultural University, Beijing, China
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Zhang D, Zhu Z, Yang B, Li X, Zhang H, Zhu H. CsWRKY11 cooperates with CsNPR1 to regulate SA-triggered leaf de-greening and reactive oxygen species burst in cucumber. MOLECULAR HORTICULTURE 2024; 4:21. [PMID: 38773570 PMCID: PMC11110285 DOI: 10.1186/s43897-024-00092-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Accepted: 04/02/2024] [Indexed: 05/24/2024]
Abstract
Salicylic acid (SA) is a multi-functional phytohormone, regulating diverse processes of plant growth and development, especially triggering plant immune responses and initiating leaf senescence. However, the early SA signaling events remain elusive in most plant species apart from Arabidopsis, and even less is known about the multi-facet mechanism underlying SA-regulated processes. Here, we report the identification of a novel regulatory module in cucumber, CsNPR1-CsWRKY11, which mediates the regulation of SA-promoted leaf senescence and ROS burst. Our analyses demonstrate that under SA treatment, CsNPR1 recruits CsWRKY11 to bind to the promoter of CsWRKY11 to activate its expression, thus amplifying the primary SA signal. Then, CsWRKY11 cooperates with CsNPR1 to directly regulate the expression of both chlorophyll degradation and ROS biosynthesis related genes, thereby inducing leaf de-greening and ROS burst. Our study provides a solid line of evidence that CsNPR1 and CsWRKY11 constitute a key module in SA signaling pathway in cucumber, and gains an insight into the interconnected regulation of SA-triggered processes.
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Affiliation(s)
- Dingyu Zhang
- Shanghai Key Laboratory of Protected Horticultural Technology, Horticultural Research Institute, Shanghai Academy of Agricultural Sciences, 1000 Jinqi Road, Shanghai, 201403, China
- State Key Laboratory of Genetic Engineering and Fudan Center for Genetic Diversity and Designing Agriculture, School of Life Sciences, Fudan University, Shanghai, 200438, China
| | - Ziwei Zhu
- State Key Laboratory of Genetic Engineering and Fudan Center for Genetic Diversity and Designing Agriculture, School of Life Sciences, Fudan University, Shanghai, 200438, China
| | - Bing Yang
- Shanghai Key Laboratory of Protected Horticultural Technology, Horticultural Research Institute, Shanghai Academy of Agricultural Sciences, 1000 Jinqi Road, Shanghai, 201403, China
| | - Xiaofeng Li
- Shanghai Key Laboratory of Protected Horticultural Technology, Horticultural Research Institute, Shanghai Academy of Agricultural Sciences, 1000 Jinqi Road, Shanghai, 201403, China
| | - Hongmei Zhang
- Shanghai Key Laboratory of Protected Horticultural Technology, Horticultural Research Institute, Shanghai Academy of Agricultural Sciences, 1000 Jinqi Road, Shanghai, 201403, China
| | - Hongfang Zhu
- Shanghai Key Laboratory of Protected Horticultural Technology, Horticultural Research Institute, Shanghai Academy of Agricultural Sciences, 1000 Jinqi Road, Shanghai, 201403, China.
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8
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Huang WRH, Braam C, Kretschmer C, Villanueva SL, Liu H, Ferik F, van der Burgh AM, Wu J, Zhang L, Nürnberger T, Wang Y, Seidl MF, Evangelisti E, Stuttmann J, Joosten MHAJ. Receptor-like cytoplasmic kinases of different subfamilies differentially regulate SOBIR1/BAK1-mediated immune responses in Nicotiana benthamiana. Nat Commun 2024; 15:4339. [PMID: 38773116 PMCID: PMC11109355 DOI: 10.1038/s41467-024-48313-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Accepted: 04/26/2024] [Indexed: 05/23/2024] Open
Abstract
Cell-surface receptors form the front line of plant immunity. The leucine-rich repeat (LRR)-receptor-like kinases SOBIR1 and BAK1 are required for the functionality of the tomato LRR-receptor-like protein Cf-4, which detects the secreted effector Avr4 of the pathogenic fungus Fulvia fulva. Here, we show that the kinase domains of SOBIR1 and BAK1 directly phosphorylate each other and that residues Thr522 and Tyr469 of the kinase domain of Nicotiana benthamiana SOBIR1 are required for its kinase activity and for interacting with signalling partners, respectively. By knocking out multiple genes belonging to different receptor-like cytoplasmic kinase (RLCK)-VII subfamilies in N. benthamiana:Cf-4, we show that members of RLCK-VII-6, -7, and -8 differentially regulate the Avr4/Cf-4-triggered biphasic burst of reactive oxygen species. In addition, members of RLCK-VII-7 play an essential role in resistance against the oomycete pathogen Phytophthora palmivora. Our study provides molecular evidence for the specific roles of RLCKs downstream of SOBIR1/BAK1-containing immune complexes.
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Affiliation(s)
- Wen R H Huang
- Laboratory of Phytopathology, Wageningen University, Droevendaalsesteeg 1, 6708 PB, Wageningen, The Netherlands.
- The Sainsbury Laboratory, University of East Anglia, Norwich, United Kingdom.
| | - Ciska Braam
- Laboratory of Phytopathology, Wageningen University, Droevendaalsesteeg 1, 6708 PB, Wageningen, The Netherlands
| | - Carola Kretschmer
- Institute for Biology, Department of Plant Genetics, Martin Luther University Halle-Wittenberg, 06120, Halle, Germany
| | - Sergio Landeo Villanueva
- Laboratory of Phytopathology, Wageningen University, Droevendaalsesteeg 1, 6708 PB, Wageningen, The Netherlands
| | - Huan Liu
- Laboratory of Phytopathology, Wageningen University, Droevendaalsesteeg 1, 6708 PB, Wageningen, The Netherlands
| | - Filiz Ferik
- Institute for Biology, Department of Plant Genetics, Martin Luther University Halle-Wittenberg, 06120, Halle, Germany
| | - Aranka M van der Burgh
- Laboratory of Phytopathology, Wageningen University, Droevendaalsesteeg 1, 6708 PB, Wageningen, The Netherlands
- Teaching and Learning Centre, Wageningen University & Research, Droevendaalsesteeg 4, 6708 PB, Wageningen, The Netherlands
| | - Jinbin Wu
- Laboratory of Phytopathology, Wageningen University, Droevendaalsesteeg 1, 6708 PB, Wageningen, The Netherlands
- Department of Plant Pathology, Nanjing Agricultural University, Nanjing, 210095, China
| | - Lisha Zhang
- Department of Plant Biochemistry, Centre for Plant Molecular Biology (ZMBP), Eberhard Karls University Tübingen, Auf der Morgenstelle 32, D-72076, Tübingen, Germany
| | - Thorsten Nürnberger
- Department of Plant Biochemistry, Centre for Plant Molecular Biology (ZMBP), Eberhard Karls University Tübingen, Auf der Morgenstelle 32, D-72076, Tübingen, Germany
| | - Yulu Wang
- Laboratory of Biomanufacturing and Food Engineering, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Michael F Seidl
- Theoretical Biology & Bioinformatics, Department of Biology, Utrecht University, 3584 CH, Utrecht, the Netherlands
| | - Edouard Evangelisti
- Laboratory of Phytopathology, Wageningen University, Droevendaalsesteeg 1, 6708 PB, Wageningen, The Netherlands
- Université Côte d'Azur, INRAE UMR 1355, CNRS UMR 7254, Institut Sophia Agrobiotech (ISA), 06903, Sophia Antipolis, France
| | - Johannes Stuttmann
- Institute for Biology, Department of Plant Genetics, Martin Luther University Halle-Wittenberg, 06120, Halle, Germany
- Aix Marseille University, CEA, CNRS, BIAM, UMR7265, LEMiRE (Microbial Ecology of the Rhizosphere), 13115, Saint‑Paul lez Durance, France
| | - Matthieu H A J Joosten
- Laboratory of Phytopathology, Wageningen University, Droevendaalsesteeg 1, 6708 PB, Wageningen, The Netherlands.
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Ahsan SM, Injamum-Ul-Hoque M, Das AK, Rahman MM, Mollah MMI, Paul NC, Choi HW. Plant-Entomopathogenic Fungi Interaction: Recent Progress and Future Prospects on Endophytism-Mediated Growth Promotion and Biocontrol. PLANTS (BASEL, SWITZERLAND) 2024; 13:1420. [PMID: 38794490 PMCID: PMC11124879 DOI: 10.3390/plants13101420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2024] [Revised: 05/17/2024] [Accepted: 05/18/2024] [Indexed: 05/26/2024]
Abstract
Entomopathogenic fungi, often acknowledged primarily for their insecticidal properties, fulfill diverse roles within ecosystems. These roles encompass endophytism, antagonism against plant diseases, promotion of the growth of plants, and inhabitation of the rhizosphere, occurring both naturally and upon artificial inoculation, as substantiated by a growing body of contemporary research. Numerous studies have highlighted the beneficial aspects of endophytic colonization. This review aims to systematically organize information concerning the direct (nutrient acquisition and production of phytohormones) and indirect (resistance induction, antibiotic and secondary metabolite production, siderophore production, and mitigation of abiotic and biotic stresses) implications of endophytic colonization. Furthermore, a thorough discussion of these mechanisms is provided. Several challenges, including isolation complexities, classification of novel strains, and the impact of terrestrial location, vegetation type, and anthropogenic reluctance to use fungal entomopathogens, have been recognized as hurdles. However, recent advancements in biotechnology within microbial research hold promising solutions to many of these challenges. Ultimately, the current constraints delineate potential future avenues for leveraging endophytic fungal entomopathogens as dual microbial control agents.
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Affiliation(s)
- S. M. Ahsan
- Department of Plant Medicals, Andong National University, Andong 36729, Republic of Korea;
| | - Md. Injamum-Ul-Hoque
- Department of Applied Biosciences, Kyungpook National University, Daegu 41566, Republic of Korea; (M.I.-U.-H.); (A.K.D.)
| | - Ashim Kumar Das
- Department of Applied Biosciences, Kyungpook National University, Daegu 41566, Republic of Korea; (M.I.-U.-H.); (A.K.D.)
| | - Md. Mezanur Rahman
- Department of Plant and Soil Science, Institute of Genomics for Crop Abiotic Stress Tolerance, Texas Tech University, Lubbock, TX 79409, USA;
| | - Md. Mahi Imam Mollah
- Department of Entomology, Patuakhali Science and Technology University, Dumki, Patuakhali 8602, Bangladesh;
| | - Narayan Chandra Paul
- Kumho Life Science Laboratory, Chonnam National University, Gwangju 61186, Republic of Korea;
| | - Hyong Woo Choi
- Department of Plant Medicals, Andong National University, Andong 36729, Republic of Korea;
- Institute of Cannabis Biotechnology, Andong National University, Andong 36729, Republic of Korea
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10
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Loranger MEW, Yim W, Accomazzi V, Morales-Lizcano N, Moeder W, Yoshioka K. Colour-analyzer: a new dual colour model-based imaging tool to quantify plant disease. PLANT METHODS 2024; 20:60. [PMID: 38698422 PMCID: PMC11067089 DOI: 10.1186/s13007-024-01193-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Accepted: 04/24/2024] [Indexed: 05/05/2024]
Abstract
BACKGROUND Despite major efforts over the last decades, the rising demands of the growing global population makes it of paramount importance to increase crop yields and reduce losses caused by plant pathogens. One way to tackle this is to screen novel resistant genotypes and immunity-inducing agents, which must be conducted in a high-throughput manner. RESULTS Colour-analyzer is a free web-based tool that can be used to rapidly measure the formation of lesions on leaves. Pixel colour values are often used to distinguish infected from healthy tissues. Some programs employ colour models, such as RGB, HSV or L*a*b*. Colour-analyzer uses two colour models, utilizing both HSV (Hue, Saturation, Value) and L*a*b* values. We found that the a* b* values of the L*a*b* colour model provided the clearest distinction between infected and healthy tissue, while the H and S channels were best to distinguish the leaf area from the background. CONCLUSION By combining the a* and b* channels to determine the lesion area, while using the H and S channels to determine the leaf area, Colour-analyzer provides highly accurate information on the size of the lesion as well as the percentage of infected tissue in a high throughput manner and can accelerate the plant immunity research field.
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Affiliation(s)
| | - Winfield Yim
- Cell and Systems Biology, University of Toronto, 25 Willcocks Street, Toronto, ON, M5S3B2, Canada
| | - Vittorio Accomazzi
- International Medical Solutions, 2425 Matheson Blvd E. Suite 800, Mississauga, ON, L4W 5K4, Canada
| | - Nadia Morales-Lizcano
- Cell and Systems Biology, University of Toronto, 25 Willcocks Street, Toronto, ON, M5S3B2, Canada
| | - Wolfgang Moeder
- Cell and Systems Biology, University of Toronto, 25 Willcocks Street, Toronto, ON, M5S3B2, Canada
| | - Keiko Yoshioka
- Cell and Systems Biology, University of Toronto, 25 Willcocks Street, Toronto, ON, M5S3B2, Canada.
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11
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Wang Y, Zhang K, Chen D, Liu K, Chen W, He F, Tong Z, Luo Q. Co-expression network analysis and identification of core genes in the interaction between wheat and Puccinia striiformis f. sp. tritici. Arch Microbiol 2024; 206:241. [PMID: 38698267 DOI: 10.1007/s00203-024-03925-5] [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: 12/02/2023] [Revised: 02/25/2024] [Accepted: 03/04/2024] [Indexed: 05/05/2024]
Abstract
The epidemic of stripe rust, caused by the pathogen Puccinia striiformis f. sp. tritici (Pst), would reduce wheat (Triticum aestivum) yields seriously. Traditional experimental methods are difficult to discover the interaction between wheat and Pst. Multi-omics data analysis provides a new idea for efficiently mining the interactions between host and pathogen. We used 140 wheat-Pst RNA-Seq data to screen for differentially expressed genes (DEGs) between low susceptibility and high susceptibility samples, and carried out Gene Ontology (GO) enrichment analysis. Based on this, we constructed a gene co-expression network, identified the core genes and interacted gene pairs from the conservative modules. Finally, we checked the distribution of Nucleotide-binding and leucine-rich repeat (NLR) genes in the co-expression network and drew the wheat NLR gene co-expression network. In order to provide accessible information for related researchers, we built a web-based visualization platform to display the data. Based on the analysis, we found that resistance-related genes such as TaPR1, TaWRKY18 and HSP70 were highly expressed in the network. They were likely to be involved in the biological processes of Pst infecting wheat. This study can assist scholars in conducting studies on the pathogenesis and help to advance the investigation of wheat-Pst interaction patterns.
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Affiliation(s)
- Yibo Wang
- Key Laboratory of Tobacco Biotechnological Breeding, Yunnan Academy of Tobacco Agricultural Sciences, National Tobacco Genetic Engineering Research Centre, Kunming, 650021, China
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Ke Zhang
- Yunnan Tobacco Quality Inspection & Supervision Station, Kunming, 650106, People's Republic of China
| | - Dan Chen
- Yunnan Tobacco Quality Inspection & Supervision Station, Kunming, 650106, People's Republic of China
| | - Kai Liu
- Yunnan Tobacco Quality Inspection & Supervision Station, Kunming, 650106, People's Republic of China
| | - Wei Chen
- Yunnan Tobacco Quality Inspection & Supervision Station, Kunming, 650106, People's Republic of China
| | - Fei He
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
- Centre of Excellence for Plant and Microbial Science (CEPAMS), JIC-CAS, Beijing, 100101, China
| | - Zhijun Tong
- Key Laboratory of Tobacco Biotechnological Breeding, Yunnan Academy of Tobacco Agricultural Sciences, National Tobacco Genetic Engineering Research Centre, Kunming, 650021, China.
| | - Qiaoling Luo
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China.
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12
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Su B, Wang A, Lin J, Xie D, Shan X. Signal-specific spatiotemporal organization of AtRGS1 in plant pattern-triggered immunity. THE NEW PHYTOLOGIST 2024; 242:841-852. [PMID: 38453800 DOI: 10.1111/nph.19658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Accepted: 02/20/2024] [Indexed: 03/09/2024]
Affiliation(s)
- Bodan Su
- MOE Key Laboratory of Bioinformatics, Tsinghua-Peking Center for Life Science, School of Life Sciences, Tsinghua University, Beijing, 100084, China
- National State Key Laboratory of Agricultural Microbiology, Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Anqi Wang
- MOE Key Laboratory of Bioinformatics, Tsinghua-Peking Center for Life Science, School of Life Sciences, Tsinghua University, Beijing, 100084, China
| | - Jinxing Lin
- College of Biological Sciences & Biotechnology, Beijing Forestry University, Beijing, 100083, China
| | - Daoxin Xie
- MOE Key Laboratory of Bioinformatics, Tsinghua-Peking Center for Life Science, School of Life Sciences, Tsinghua University, Beijing, 100084, China
| | - Xiaoyi Shan
- MOE Key Laboratory of Bioinformatics, Tsinghua-Peking Center for Life Science, School of Life Sciences, Tsinghua University, Beijing, 100084, China
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13
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Ma M, Tang L, Sun R, Lyu X, Xie J, Fu Y, Li B, Chen T, Lin Y, Yu X, Chen W, Jiang D, Cheng J. An effector SsCVNH promotes the virulence of Sclerotinia sclerotiorum through targeting class III peroxidase AtPRX71. MOLECULAR PLANT PATHOLOGY 2024; 25:e13464. [PMID: 38695733 PMCID: PMC11064801 DOI: 10.1111/mpp.13464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 04/15/2024] [Accepted: 04/17/2024] [Indexed: 05/05/2024]
Abstract
Many plant pathogens secrete effector proteins into the host plant to suppress host immunity and facilitate pathogen colonization. The necrotrophic pathogen Sclerotinia sclerotiorum causes severe plant diseases and results in enormous economic losses, in which secreted proteins play a crucial role. SsCVNH was previously reported as a secreted protein, and its expression is significantly upregulated at 3 h after inoculation on the host plant. Here, we further demonstrated that deletion of SsCVNH leads to attenuated virulence. Heterologous expression of SsCVNH in Arabidopsis enhanced pathogen infection, inhibited the host PAMP-triggered immunity (PTI) response and increased plant susceptibility to S. sclerotiorum. SsCVNH interacted with class III peroxidase AtPRX71, a positive regulator of innate immunity against plant pathogens. SsCVNH could also interact with other class III peroxidases, thus reducing peroxidase activity and suppressing plant immunity. Our results reveal a new infection strategy employed by S. sclerotiorum in which the fungus suppresses the function of class III peroxidases, the major component of PTI to promote its own infection.
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Affiliation(s)
- Ming Ma
- National Key Laboratory of Agricultural MicrobiologyHuazhong Agricultural UniversityWuhanHubeiChina
- The Provincial Key Lab of Plant Pathology of Hubei Province, College of Plant Science and TechnologyHuazhong Agricultural UniversityWuhanHubeiChina
| | - Liguang Tang
- Wuhan Vegetable Research InstituteWuhan Academy of Agricultural ScienceWuhanHubeiChina
| | - Rui Sun
- National Key Laboratory of Agricultural MicrobiologyHuazhong Agricultural UniversityWuhanHubeiChina
- The Provincial Key Lab of Plant Pathology of Hubei Province, College of Plant Science and TechnologyHuazhong Agricultural UniversityWuhanHubeiChina
| | - Xueliang Lyu
- National Key Laboratory of Agricultural MicrobiologyHuazhong Agricultural UniversityWuhanHubeiChina
- The Provincial Key Lab of Plant Pathology of Hubei Province, College of Plant Science and TechnologyHuazhong Agricultural UniversityWuhanHubeiChina
| | - Jiatao Xie
- National Key Laboratory of Agricultural MicrobiologyHuazhong Agricultural UniversityWuhanHubeiChina
- The Provincial Key Lab of Plant Pathology of Hubei Province, College of Plant Science and TechnologyHuazhong Agricultural UniversityWuhanHubeiChina
| | - Yanping Fu
- The Provincial Key Lab of Plant Pathology of Hubei Province, College of Plant Science and TechnologyHuazhong Agricultural UniversityWuhanHubeiChina
| | - Bo Li
- National Key Laboratory of Agricultural MicrobiologyHuazhong Agricultural UniversityWuhanHubeiChina
- The Provincial Key Lab of Plant Pathology of Hubei Province, College of Plant Science and TechnologyHuazhong Agricultural UniversityWuhanHubeiChina
| | - Tao Chen
- National Key Laboratory of Agricultural MicrobiologyHuazhong Agricultural UniversityWuhanHubeiChina
- The Provincial Key Lab of Plant Pathology of Hubei Province, College of Plant Science and TechnologyHuazhong Agricultural UniversityWuhanHubeiChina
| | - Yang Lin
- The Provincial Key Lab of Plant Pathology of Hubei Province, College of Plant Science and TechnologyHuazhong Agricultural UniversityWuhanHubeiChina
| | - Xiao Yu
- National Key Laboratory of Agricultural MicrobiologyHuazhong Agricultural UniversityWuhanHubeiChina
- The Provincial Key Lab of Plant Pathology of Hubei Province, College of Plant Science and TechnologyHuazhong Agricultural UniversityWuhanHubeiChina
| | - Weidong Chen
- United States Department of Agriculture, Agricultural Research ServiceWashington State UniversityPullmanWashingtonUSA
| | - Daohong Jiang
- National Key Laboratory of Agricultural MicrobiologyHuazhong Agricultural UniversityWuhanHubeiChina
- The Provincial Key Lab of Plant Pathology of Hubei Province, College of Plant Science and TechnologyHuazhong Agricultural UniversityWuhanHubeiChina
| | - Jiasen Cheng
- National Key Laboratory of Agricultural MicrobiologyHuazhong Agricultural UniversityWuhanHubeiChina
- The Provincial Key Lab of Plant Pathology of Hubei Province, College of Plant Science and TechnologyHuazhong Agricultural UniversityWuhanHubeiChina
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14
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Pei S, Tao Q, Li W, Qi G, Wang B, Wang Y, Dai S, Shen Q, Wang X, Wu X, Xu S, Theprungsirikul L, Zhang J, Liang L, Liu Y, Chen K, Shen Y, Crawford BM, Cheng M, Zhang Q, Wang Y, Liu H, Yang B, Krichilsky B, Pei J, Song K, Johnson DM, Jiang Z, Wu F, Swift GB, Yang H, Liu Z, Zou X, Vo-Dinh T, Liu F, Pei ZM, Yuan F. Osmosensor-mediated control of Ca 2+ spiking in pollen germination. Nature 2024; 629:1118-1125. [PMID: 38778102 PMCID: PMC11136663 DOI: 10.1038/s41586-024-07445-6] [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: 08/08/2022] [Accepted: 04/19/2024] [Indexed: 05/25/2024]
Abstract
Higher plants survive terrestrial water deficiency and fluctuation by arresting cellular activities (dehydration) and resuscitating processes (rehydration). However, how plants monitor water availability during rehydration is unknown. Although increases in hypo-osmolarity-induced cytosolic Ca2+ concentration (HOSCA) have long been postulated to be the mechanism for sensing hypo-osmolarity in rehydration1,2, the molecular basis remains unknown. Because osmolarity triggers membrane tension and the osmosensing specificity of osmosensing channels can only be determined in vivo3-5, these channels have been classified as a subtype of mechanosensors. Here we identify bona fide cell surface hypo-osmosensors in Arabidopsis and find that pollen Ca2+ spiking is controlled directly by water through these hypo-osmosensors-that is, Ca2+ spiking is the second messenger for water status. We developed a functional expression screen in Escherichia coli for hypo-osmosensitive channels and identified OSCA2.1, a member of the hyperosmolarity-gated calcium-permeable channel (OSCA) family of proteins6. We screened single and high-order OSCA mutants, and observed that the osca2.1/osca2.2 double-knockout mutant was impaired in pollen germination and HOSCA. OSCA2.1 and OSCA2.2 function as hypo-osmosensitive Ca2+-permeable channels in planta and in HEK293 cells. Decreasing osmolarity of the medium enhanced pollen Ca2+ oscillations, which were mediated by OSCA2.1 and OSCA2.2 and required for germination. OSCA2.1 and OSCA2.2 convert extracellular water status into Ca2+ spiking in pollen and may serve as essential hypo-osmosensors for tracking rehydration in plants.
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Affiliation(s)
- Songyu Pei
- College of Horticulture and Landscape, Hunan Agricultural University, Changsha, China
- Department of Biology, Duke University, Durham, NC, USA
- Fitzpatrick Institute for Photonics, Duke University, Durham, NC, USA
- College of Life Sciences, Zhejiang University, Hangzhou, China
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, China
| | - Qi Tao
- College of Life Sciences, Zhejiang University, Hangzhou, China
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, China
| | - Wenke Li
- College of Life Sciences, Zhejiang University, Hangzhou, China
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, China
| | - Guoning Qi
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, China
| | - Borong Wang
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, China
| | - Yan Wang
- College of Horticulture and Landscape, Hunan Agricultural University, Changsha, China
| | - Shiwen Dai
- College of Horticulture and Landscape, Hunan Agricultural University, Changsha, China
| | - Qiujing Shen
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, China
| | - Xi Wang
- College of Life Sciences, Zhejiang University, Hangzhou, China
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, China
| | - Xiaomei Wu
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, China
| | - Shijian Xu
- Department of Biology, Duke University, Durham, NC, USA
| | | | | | - Liang Liang
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, China
| | - Yuantao Liu
- College of Life Sciences, Zhejiang University, Hangzhou, China
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, China
| | - Kena Chen
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, China
| | - Yang Shen
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, China
| | | | - Mengjia Cheng
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, China
| | - Qi Zhang
- College of Life Sciences, Zhejiang University, Hangzhou, China
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, China
| | - Yiqi Wang
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, China
| | - Hongli Liu
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, China
| | - Benguang Yang
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, China
| | | | - Jessica Pei
- Department of Biology, Duke University, Durham, NC, USA
- Fuqua School of Business, Duke University, Durham, NC, USA
| | - Karen Song
- Department of Biology, Duke University, Durham, NC, USA
| | | | | | - Feihua Wu
- Department of Biology, Duke University, Durham, NC, USA
| | - Gary B Swift
- Department of Physics, Duke University, Durham, NC, USA
| | - Huanghe Yang
- Department of Biochemistry, Duke University, Durham, NC, USA
| | - Zhonghua Liu
- College of Horticulture and Landscape, Hunan Agricultural University, Changsha, China
| | - Xuexiao Zou
- College of Horticulture and Landscape, Hunan Agricultural University, Changsha, China
| | - Tuan Vo-Dinh
- Fitzpatrick Institute for Photonics, Duke University, Durham, NC, USA
| | - Feng Liu
- College of Horticulture and Landscape, Hunan Agricultural University, Changsha, China.
- Department of Biology, Duke University, Durham, NC, USA.
| | - Zhen-Ming Pei
- Department of Biology, Duke University, Durham, NC, USA.
- Fitzpatrick Institute for Photonics, Duke University, Durham, NC, USA.
| | - Fang Yuan
- College of Horticulture and Landscape, Hunan Agricultural University, Changsha, China.
- Department of Biology, Duke University, Durham, NC, USA.
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, China.
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15
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Singh D, Mathur S, Ranjan R. Pattern recognition receptors as potential therapeutic targets for developing immunological engineered plants. ADVANCES IN PROTEIN CHEMISTRY AND STRUCTURAL BIOLOGY 2024; 140:525-555. [PMID: 38762279 DOI: 10.1016/bs.apcsb.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] [Indexed: 05/20/2024]
Abstract
There is an urgent need to combat pathogen infestations in crop plants to ensure food security worldwide. To counter this, plants have developed innate immunity mediated by Pattern Recognition Receptors (PRRs) that recognize pathogen-associated molecular patterns (PAMPs) and damage- associated molecular patterns (DAMPs). PRRs activate Pattern-Triggered Immunity (PTI), a defence mechanism involving intricate cell-surface and intracellular receptors. The diverse ligand-binding ectodomains of PRRs, including leucine-rich repeats (LRRs) and lectin domains, facilitate the recognition of MAMPs and DAMPs. Pathogen resistance is mediated by a variety of PTI responses, including membrane depolarization, ROS production, and the induction of defence genes. An integral part of intracellular immunity is the Nucleotide-binding Oligomerization Domain, Leucine-rich Repeat proteins (NLRs) which recognize and respond to effectors in a potent manner. Enhanced understanding of PRRs, their ligands, and downstream signalling pathways has contributed to the identification of potential targets for genetically modified plants. By transferring PRRs across plant species, it is possible to create broad-spectrum resistance, potentially offering innovative solutions for plant protection and global food security. The purpose of this chapter is to provide an update on PRRs involved in disease resistance, clarify the mechanisms by which PRRs recognize ligands to form active receptor complexes and present various applications of PRRs and PTI in disease resistance management for plants.
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Affiliation(s)
- Deeksha Singh
- Department of Botany, Faculty of Science, Dayalbagh Educational Institute, Dayalbagh, Agra-282005, India
| | - Shivangi Mathur
- Department of Botany, Faculty of Science, Dayalbagh Educational Institute, Dayalbagh, Agra-282005, India
| | - Rajiv Ranjan
- Department of Botany, Faculty of Science, Dayalbagh Educational Institute, Dayalbagh, Agra-282005, India.
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16
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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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17
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Zhang J, Pan L, Xu W, Yang H, He F, Ma J, Bai L, Zhang Q, Zhou Q, Gao H. Extracellular vesicles in plant-microbe interactions: Recent advances and future directions. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2024; 341:111999. [PMID: 38307350 DOI: 10.1016/j.plantsci.2024.111999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2023] [Revised: 01/18/2024] [Accepted: 01/24/2024] [Indexed: 02/04/2024]
Abstract
Extracellular vesicles (EVs) are membrane-enclosed nanoparticles that have a crucial role in mediating intercellular communication in mammals by facilitating the transport of proteins and small RNAs. However, the study of plant EVs has been limited for a long time due to insufficient isolation and detection methods. Recent research has shown that both plants and plant pathogens can release EVs, which contain various bioactive molecules like proteins, metabolites, lipids, and small RNAs. These EVs play essential roles in plant-microbe interactions by transferring these bioactive molecules across different kingdoms. Additionally, it has been discovered that EVs may contribute to symbiotic communication between plants and pathogens. This review provides a comprehensive summary of the pivotal roles played by EVs in mediating interactions between plants and microbes, including pathogenic fungi, bacteria, viruses, and symbiotic pathogens. We highlight the potential of EVs in transferring immune signals between plant cells and facilitating the exchange of active substances between different species.
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Affiliation(s)
- Junsong Zhang
- College of Biology and Food, Shangqiu Normal University, Shangqiu 476000, China; College of Life Sciences, Henan Normal University, Xinxiang 453007, China
| | - Liying Pan
- College of Biology and Food, Shangqiu Normal University, Shangqiu 476000, China
| | - Wenjie Xu
- College of Biology and Food, Shangqiu Normal University, Shangqiu 476000, China
| | - Hongchao Yang
- College of Biology and Food, Shangqiu Normal University, Shangqiu 476000, China
| | - Fuge He
- College of Biology and Food, Shangqiu Normal University, Shangqiu 476000, China
| | - Jianfeng Ma
- College of Biology and Food, Shangqiu Normal University, Shangqiu 476000, China
| | - Linlin Bai
- College of Biology and Food, Shangqiu Normal University, Shangqiu 476000, China
| | - Qingchen Zhang
- College of Biology and Food, Shangqiu Normal University, Shangqiu 476000, China
| | - Qingfeng Zhou
- College of Biology and Food, Shangqiu Normal University, Shangqiu 476000, China
| | - Hang Gao
- College of Biology and Food, Shangqiu Normal University, Shangqiu 476000, China.
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18
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Han P, Wang C, Li F, Li M, Nie J, Xu M, Feng H, Xu L, Jiang C, Guan Q, Huang L. Valsa mali PR1-like protein modulates an apple valine-glutamine protein to suppress JA signaling-mediated immunity. PLANT PHYSIOLOGY 2024; 194:2755-2770. [PMID: 38235781 DOI: 10.1093/plphys/kiae020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 11/30/2023] [Accepted: 12/01/2023] [Indexed: 01/19/2024]
Abstract
Apple Valsa canker (AVC) is a devastating disease of apple (Malus × domestica), caused by Valsa mali (Vm). The Cysteine-rich secretory protein, Antigen 5, and Pathogenesis-related protein 1 (CAP) superfamily protein PATHOGENESIS-RELATED PROTEIN 1-LIKE PROTEIN c (VmPR1c) plays an important role in the pathogenicity of Vm. However, the mechanisms through which it exerts its virulence function in Vm-apple interactions remain unclear. In this study, we identified an apple valine-glutamine (VQ)-motif-containing protein, MdVQ29, as a VmPR1c target protein. MdVQ29-overexpressing transgenic apple plants showed substantially enhanced AVC resistance as compared with the wild type. MdVQ29 interacted with the transcription factor MdWRKY23, which was further shown to bind to the promoter of the jasmonic acid (JA) signaling-related gene CORONATINE INSENSITIVE 1 (MdCOI1) and activate its expression to activate the JA signaling pathway. Disease evaluation in lesion areas on infected leaves showed that MdVQ29 positively modulated apple resistance in a MdWRKY23-dependent manner. Furthermore, MdVQ29 promoted the transcriptional activity of MdWRKY23 toward MdCOI1. In addition, VmPR1c suppressed the MdVQ29-enhanced transcriptional activation activity of MdWRKY23 by promoting the degradation of MdVQ29 and inhibiting MdVQ29 expression and the MdVQ29-MdWRKY23 interaction, thereby interfering with the JA signaling pathway and facilitating Vm infection. Overall, our results demonstrate that VmPR1c targets MdVQ29 to manipulate the JA signaling pathway to regulate immunity. Thus, this study provides an important theoretical basis and guidance for mining and utilizing disease-resistance genetic resources for genetically improving apples.
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Affiliation(s)
- Pengliang Han
- State Key Laboratory for Crop Stress Resistance and High-Efficiency Production, Northwest A&F University, Yangling, Shaanxi 712100, China
- College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Chengli Wang
- State Key Laboratory for Crop Stress Resistance and High-Efficiency Production, Northwest A&F University, Yangling, Shaanxi 712100, China
- College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Fudong Li
- State Key Laboratory for Crop Stress Resistance and High-Efficiency Production, Northwest A&F University, Yangling, Shaanxi 712100, China
- College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Meilian Li
- State Key Laboratory for Crop Stress Resistance and High-Efficiency Production, Northwest A&F University, Yangling, Shaanxi 712100, China
- College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Jiajun Nie
- State Key Laboratory for Crop Stress Resistance and High-Efficiency Production, Northwest A&F University, Yangling, Shaanxi 712100, China
- College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Ming Xu
- State Key Laboratory for Crop Stress Resistance and High-Efficiency Production, Northwest A&F University, Yangling, Shaanxi 712100, China
- College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Hao Feng
- State Key Laboratory for Crop Stress Resistance and High-Efficiency Production, Northwest A&F University, Yangling, Shaanxi 712100, China
- College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Liangsheng Xu
- State Key Laboratory for Crop Stress Resistance and High-Efficiency Production, Northwest A&F University, Yangling, Shaanxi 712100, China
- College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Cong Jiang
- State Key Laboratory for Crop Stress Resistance and High-Efficiency Production, Northwest A&F University, Yangling, Shaanxi 712100, China
- College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Qingmei Guan
- State Key Laboratory for Crop Stress Resistance and High-Efficiency Production, Northwest A&F University, Yangling, Shaanxi 712100, China
- College of Horticulture, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Lili Huang
- State Key Laboratory for Crop Stress Resistance and High-Efficiency Production, Northwest A&F University, Yangling, Shaanxi 712100, China
- College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, China
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19
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Wang X, Qi F, Sun Z, Liu H, Wu Y, Wu X, Xu J, Liu H, Qin L, Wang Z, Sang S, Dong W, Huang B, Zheng Z, Zhang X. Transcriptome sequencing and expression analysis in peanut reveal the potential mechanism response to Ralstonia solanacearum infection. BMC PLANT BIOLOGY 2024; 24:207. [PMID: 38515036 PMCID: PMC10956345 DOI: 10.1186/s12870-024-04877-0] [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: 03/03/2024] [Indexed: 03/23/2024]
Abstract
BACKGROUND Bacterial wilt caused by Ralstonia solanacearum severely affects peanut (Arachis hypogaea L.) yields. The breeding of resistant cultivars is an efficient means of controlling plant diseases. Therefore, identification of resistance genes effective against bacterial wilt is a matter of urgency. The lack of a reference genome for a resistant genotype severely hinders the process of identification of resistance genes in peanut. In addition, limited information is available on disease resistance-related pathways in peanut. RESULTS Full-length transcriptome data were used to generate wilt-resistant and -susceptible transcript pools. In total, 253,869 transcripts were retained to form a reference transcriptome for RNA-sequencing data analysis. Kyoto Encyclopedia of Genes and Genomes pathway enrichment analysis of differentially expressed genes revealed the plant-pathogen interaction pathway to be the main resistance-related pathway for peanut to prevent bacterial invasion and calcium plays an important role in this pathway. Glutathione metabolism was enriched in wilt-susceptible genotypes, which would promote glutathione synthesis in the early stages of pathogen invasion. Based on our previous quantitative trait locus (QTL) mapping results, the genes arahy.V6I7WA and arahy.MXY2PU, which encode nucleotide-binding site-leucine-rich repeat receptor proteins, were indicated to be associated with resistance to bacterial wilt. CONCLUSIONS This study identified several pathways associated with resistance to bacterial wilt and identified candidate genes for bacterial wilt resistance in a major QTL region. These findings lay a foundation for investigation of the mechanism of resistance to bacterial wilt in peanut.
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Affiliation(s)
- Xiao Wang
- College of Agronomy, Shenyang Agricultural University, Shenyang, 110866, China
- The Shennong Laboratory, Institute of Crop Molecular Breeding, Henan Academy of Agricultural Sciences, National Innovation Centre for Bio-Breeding Industry, Key Laboratory of Oil Crops in Huang-Huai-Hai Plains, Ministry of Agriculture, Henan Provincial Key Laboratory for Oil Crops Improvement, Zhengzhou, 450002, China
| | - Feiyan Qi
- The Shennong Laboratory, Institute of Crop Molecular Breeding, Henan Academy of Agricultural Sciences, National Innovation Centre for Bio-Breeding Industry, Key Laboratory of Oil Crops in Huang-Huai-Hai Plains, Ministry of Agriculture, Henan Provincial Key Laboratory for Oil Crops Improvement, Zhengzhou, 450002, China
| | - Ziqi Sun
- The Shennong Laboratory, Institute of Crop Molecular Breeding, Henan Academy of Agricultural Sciences, National Innovation Centre for Bio-Breeding Industry, Key Laboratory of Oil Crops in Huang-Huai-Hai Plains, Ministry of Agriculture, Henan Provincial Key Laboratory for Oil Crops Improvement, Zhengzhou, 450002, China
| | - Hongfei Liu
- The Shennong Laboratory, Institute of Crop Molecular Breeding, Henan Academy of Agricultural Sciences, National Innovation Centre for Bio-Breeding Industry, Key Laboratory of Oil Crops in Huang-Huai-Hai Plains, Ministry of Agriculture, Henan Provincial Key Laboratory for Oil Crops Improvement, Zhengzhou, 450002, China
| | - Yue Wu
- The Shennong Laboratory, Institute of Crop Molecular Breeding, Henan Academy of Agricultural Sciences, National Innovation Centre for Bio-Breeding Industry, Key Laboratory of Oil Crops in Huang-Huai-Hai Plains, Ministry of Agriculture, Henan Provincial Key Laboratory for Oil Crops Improvement, Zhengzhou, 450002, China
| | - Xiaohui Wu
- The Shennong Laboratory, Institute of Crop Molecular Breeding, Henan Academy of Agricultural Sciences, National Innovation Centre for Bio-Breeding Industry, Key Laboratory of Oil Crops in Huang-Huai-Hai Plains, Ministry of Agriculture, Henan Provincial Key Laboratory for Oil Crops Improvement, Zhengzhou, 450002, China
| | - Jing Xu
- The Shennong Laboratory, Institute of Crop Molecular Breeding, Henan Academy of Agricultural Sciences, National Innovation Centre for Bio-Breeding Industry, Key Laboratory of Oil Crops in Huang-Huai-Hai Plains, Ministry of Agriculture, Henan Provincial Key Laboratory for Oil Crops Improvement, Zhengzhou, 450002, China
| | - Hua Liu
- The Shennong Laboratory, Institute of Crop Molecular Breeding, Henan Academy of Agricultural Sciences, National Innovation Centre for Bio-Breeding Industry, Key Laboratory of Oil Crops in Huang-Huai-Hai Plains, Ministry of Agriculture, Henan Provincial Key Laboratory for Oil Crops Improvement, Zhengzhou, 450002, China
| | - Li Qin
- The Shennong Laboratory, Institute of Crop Molecular Breeding, Henan Academy of Agricultural Sciences, National Innovation Centre for Bio-Breeding Industry, Key Laboratory of Oil Crops in Huang-Huai-Hai Plains, Ministry of Agriculture, Henan Provincial Key Laboratory for Oil Crops Improvement, Zhengzhou, 450002, China
| | - Zhenyu Wang
- Henan Academy of Agricultural Sciences, Institute of Plant Protection, Zhengzhou, 450002, China
| | - Suling Sang
- Henan Academy of Agricultural Sciences, Institute of Plant Protection, Zhengzhou, 450002, China
| | - Wenzhao Dong
- The Shennong Laboratory, Institute of Crop Molecular Breeding, Henan Academy of Agricultural Sciences, National Innovation Centre for Bio-Breeding Industry, Key Laboratory of Oil Crops in Huang-Huai-Hai Plains, Ministry of Agriculture, Henan Provincial Key Laboratory for Oil Crops Improvement, Zhengzhou, 450002, China
| | - Bingyan Huang
- The Shennong Laboratory, Institute of Crop Molecular Breeding, Henan Academy of Agricultural Sciences, National Innovation Centre for Bio-Breeding Industry, Key Laboratory of Oil Crops in Huang-Huai-Hai Plains, Ministry of Agriculture, Henan Provincial Key Laboratory for Oil Crops Improvement, Zhengzhou, 450002, China
| | - Zheng Zheng
- The Shennong Laboratory, Institute of Crop Molecular Breeding, Henan Academy of Agricultural Sciences, National Innovation Centre for Bio-Breeding Industry, Key Laboratory of Oil Crops in Huang-Huai-Hai Plains, Ministry of Agriculture, Henan Provincial Key Laboratory for Oil Crops Improvement, Zhengzhou, 450002, China.
| | - Xinyou Zhang
- College of Agronomy, Shenyang Agricultural University, Shenyang, 110866, China.
- The Shennong Laboratory, Institute of Crop Molecular Breeding, Henan Academy of Agricultural Sciences, National Innovation Centre for Bio-Breeding Industry, Key Laboratory of Oil Crops in Huang-Huai-Hai Plains, Ministry of Agriculture, Henan Provincial Key Laboratory for Oil Crops Improvement, Zhengzhou, 450002, China.
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20
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Jiang Y, Yue Y, Wang Z, Lu C, Yin Z, Li Y, Ding X. Plant Biostimulant as an Environmentally Friendly Alternative to Modern Agriculture. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:5107-5121. [PMID: 38428019 DOI: 10.1021/acs.jafc.3c09074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/03/2024]
Abstract
Ensuring the safety of crop production presents a significant challenge to humanity. Pesticides and fertilizers are commonly used to eliminate external interference and provide nutrients, enabling crops to sustain growth and defense. However, the addition of chemical substances does not meet the environmental standards required for agricultural production. Recently, natural sources such as biostimulants have been found to help plants with growth and defense. The development of biostimulants provides new solutions for agricultural product safety and has become a widely utilized tool in agricultural. The review summarizes the classification of biostimulants, including humic-based biostimulant, protein-based biostimulant, oligosaccharide-based biostimulant, metabolites-based biostimulants, inorganic substance, and microbial inoculant. This review attempts to summarize suitable alternative technology that can address the problems and analyze the current state of biostimulants, summarizes the research mechanisms, and anticipates future technological developments and market trends, which provides comprehensive information for researchers to develop biostimulants.
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Affiliation(s)
- Yanke Jiang
- State Key Laboratory of Crop Biology, Shandong Provincial Key Laboratory for Biology of Vegetable Diseases and Insect Pests, College of Plant Protection, Shandong Agricultural University, Tai an, Shandong 271018, China
| | - Yingzhe Yue
- State Key Laboratory of Crop Biology, Shandong Provincial Key Laboratory for Biology of Vegetable Diseases and Insect Pests, College of Plant Protection, Shandong Agricultural University, Tai an, Shandong 271018, China
| | - Zhaoxu Wang
- State Key Laboratory of Crop Biology, Shandong Provincial Key Laboratory for Biology of Vegetable Diseases and Insect Pests, College of Plant Protection, Shandong Agricultural University, Tai an, Shandong 271018, China
| | - Chongchong Lu
- State Key Laboratory of Crop Biology, Shandong Provincial Key Laboratory for Biology of Vegetable Diseases and Insect Pests, College of Plant Protection, Shandong Agricultural University, Tai an, Shandong 271018, China
| | - Ziyi Yin
- State Key Laboratory of Crop Biology, Shandong Provincial Key Laboratory for Biology of Vegetable Diseases and Insect Pests, College of Plant Protection, Shandong Agricultural University, Tai an, Shandong 271018, China
| | - Yang Li
- State Key Laboratory of Crop Biology, Shandong Provincial Key Laboratory for Biology of Vegetable Diseases and Insect Pests, College of Plant Protection, Shandong Agricultural University, Tai an, Shandong 271018, China
| | - Xinhua Ding
- State Key Laboratory of Crop Biology, Shandong Provincial Key Laboratory for Biology of Vegetable Diseases and Insect Pests, College of Plant Protection, Shandong Agricultural University, Tai an, Shandong 271018, China
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21
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Son S, Song G, Im JH. OsWRKY7 contributes to pattern-triggered immunity against Xanthomonas oryzae pv. oryzae. Biochem Biophys Res Commun 2024; 700:149568. [PMID: 38306931 DOI: 10.1016/j.bbrc.2024.149568] [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: 01/22/2024] [Accepted: 01/23/2024] [Indexed: 02/04/2024]
Abstract
Rice is a staple crop continually threatened by bacterial and fungal pathogens. OsWRKY transcription factors are involved in various disease responses. However, the functions of many OsWRKYs are still elusive. In this study, we demonstrated that OsWRKY7 enhances rice immunity against Xanthomonas oryzae pv. oryzae (Xoo). OsWRKY7 localized in the nucleus, and gene expression of OsWRKY7 was induced by Xoo inoculation. The OsWRKY7-overexpressing lines showed enhanced resistant phenotype against Xoo, and gene expressions of OsPR1a, OsPR1b, and OsPR10a were significantly increased in the transgenic lines after Xoo inoculation. Moreover, OsWRKY7 activated the OsPR promoters, and the promoter activities were synergistically upregulated by flg22. Genetic- and cell-based analysis showed OsWRKY7 is involved in pattern-triggered immunity against Xoo. These results suggest that OsWRKY7 plays a role as a positive regulator of disease resistance to Xoo through pattern-triggered immunity.
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Affiliation(s)
- Seungmin Son
- National Institute of Agricultural Sciences, Rural Development Administration, Jeonju, 54874, Republic of Korea
| | - Giha Song
- National Institute of Agricultural Sciences, Rural Development Administration, Jeonju, 54874, Republic of Korea; College of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Republic of Korea
| | - Jong Hee Im
- National Institute of Agricultural Sciences, Rural Development Administration, Jeonju, 54874, Republic of Korea; Department of Biology Education, Jeju National University, Jeju, 63243, Republic of Korea.
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22
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Kang W, Duan Y, Lei P. Transcriptomic changes in soybean underlying growth promotion and defense against cyst nematode after Bacillus simplex Sneb545 treatment. Gene 2024; 898:148080. [PMID: 38101712 DOI: 10.1016/j.gene.2023.148080] [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: 08/24/2023] [Revised: 11/11/2023] [Accepted: 12/12/2023] [Indexed: 12/17/2023]
Abstract
Bacillus simplex Sneb45 is a plant-growth-promoting rhizobacterium that promotes soybean growth and systemic resistance to cyst nematode. To investigate transcriptional changes in soybean roots in response to B. simplex Sneb45 treatment, transcriptome analysis and quantitative real-time PCR were conducted to detect and validate the differentially expressed genes (DEGs). In total, 19,109 DEGs were obtained. After B. simplex Sneb545 treatment, 970 and 1265 genes were up- and down-regulated at 5 days post-inoculation (dpi), respectively, and 142 and 47 genes were up- and down-regulated at 10 dpi, respectively, compared with untreated soybean roots. Functional annotation of DEGs indicated that B. simplex Sneb545 regulated soybean growth and defense against cyst nematode possibly through genes related to auxin, gibberellin, and NB-LRR protein. In addition, GO and KEGG enrichment analyses indicated that the DEGs were enriched in metabolism, signal transduction, and plant-pathogen interaction pathways. Moreover, the auxin and gibberellin contents were lower in B. simplex Sneb545-treated soybean roots than in untreated roots at 5 dpi. B. simplex Sneb545 possibly altered the expression of wound-induced protein and NAC transcription factor to regulate soybean growth and defense against cyst nematode. Our study provided deep insights into the alterations in soybean transcriptome after exposure to B. simplex Sneb45 and a theoretical basis for further exploring molecular functions underlying the biological control activity of B. simplex Sneb545.
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Affiliation(s)
- Wenshu Kang
- College of Environment, Shenyang University, Shenyang 110044, PR China
| | - Yuxi Duan
- College of plant protection, Shenyang Agricultural University, Shenyang 110866, PR China
| | - Piao Lei
- Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, PR China.
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23
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Van Gerrewey T, Chung HS. MAPK Cascades in Plant Microbiota Structure and Functioning. J Microbiol 2024; 62:231-248. [PMID: 38587594 DOI: 10.1007/s12275-024-00114-3] [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: 12/22/2023] [Revised: 01/10/2024] [Accepted: 01/17/2024] [Indexed: 04/09/2024]
Abstract
Mitogen-activated protein kinase (MAPK) cascades are highly conserved signaling modules that coordinate diverse biological processes such as plant innate immunity and development. Recently, MAPK cascades have emerged as pivotal regulators of the plant holobiont, influencing the assembly of normal plant microbiota, essential for maintaining optimal plant growth and health. In this review, we provide an overview of current knowledge on MAPK cascades, from upstream perception of microbial stimuli to downstream host responses. Synthesizing recent findings, we explore the intricate connections between MAPK signaling and the assembly and functioning of plant microbiota. Additionally, the role of MAPK activation in orchestrating dynamic changes in root exudation to shape microbiota composition is discussed. Finally, our review concludes by emphasizing the necessity for more sophisticated techniques to accurately decipher the role of MAPK signaling in establishing the plant holobiont relationship.
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Affiliation(s)
- Thijs Van Gerrewey
- Plant Biotechnology Research Center, Department of Environmental Technology, Food Technology and Molecular Biotechnology, Ghent University Global Campus, Incheon, 21985, Republic of Korea
| | - Hoo Sun Chung
- Plant Biotechnology Research Center, Department of Environmental Technology, Food Technology and Molecular Biotechnology, Ghent University Global Campus, Incheon, 21985, Republic of Korea.
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052, Ghent, Belgium.
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24
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Chen L, Xiao J, Li Y, Song Y, Liu J, Zhou Q, Sun T, Wang HB, Liu B. The Raf-like MAPKKKs STY8, STY17, and STY46 negatively regulate Botrytis cinerea resistance by limiting MKK7 protein accumulation in Arabidopsis. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2024; 117:1503-1516. [PMID: 38059690 DOI: 10.1111/tpj.16578] [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: 05/04/2022] [Accepted: 11/23/2023] [Indexed: 12/08/2023]
Abstract
Plant diseases, which seriously damage crop production, are in most cases caused by fungal pathogens. In this study, we found that the Raf-like MAPKKKs STY8 (SERINE/THREONINE/TYROSINE KINASE 8), STY17, and STY46 negatively regulate resistance to the fungal pathogen Botrytis cinerea through jasmonate response in Arabidopsis. Moreover, STY8/STY17/STY46 homologs negatively contribute to chitin signaling. We further identified MKK7 as the MAPKK component interacting with STY8/STY17/STY46 homologs. MKK7 positively contributes to resistance to B. cinerea and chitin signaling. Furthermore, we found that STY8/STY17/STY46 homologs negatively affect the accumulation of MKK7, in accordance with the opposite roles of MKK7 and STY8/STY17/STY46 homologs in defense against B. cinerea. These results provide new insights into the mechanisms precisely regulating plant immunity via Raf-like MAPKKKs.
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Affiliation(s)
- Lijuan Chen
- School of Life Sciences, Guangdong Provincial Key Laboratory of Plant Resources, Sun Yat-sen University, Guangzhou, 510275, People's Republic of China
- Institute of Fruit Tree Research, Guangdong Academy of Agricultural Sciences, 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, 510640, Guangzhou, People's Republic of China
| | - Jiahui Xiao
- School of Life Sciences, Guangdong Provincial Key Laboratory of Plant Resources, Sun Yat-sen University, Guangzhou, 510275, People's Republic of China
| | - You Li
- School of Life Sciences, Guangdong Provincial Key Laboratory of Plant Resources, Sun Yat-sen University, Guangzhou, 510275, People's Republic of China
| | - Yuxiao Song
- School of Life Sciences, Guangdong Provincial Key Laboratory of Plant Resources, Sun Yat-sen University, Guangzhou, 510275, People's Republic of China
| | - Jun Liu
- School of Life Sciences, Guangdong Provincial Key Laboratory of Plant Resources, Sun Yat-sen University, Guangzhou, 510275, People's Republic of China
| | - Qi Zhou
- School of Life Sciences, Guangdong Provincial Key Laboratory of Plant Resources, Sun Yat-sen University, Guangzhou, 510275, People's Republic of China
| | - Ting Sun
- School of Life Sciences, Guangdong Provincial Key Laboratory of Plant Resources, Sun Yat-sen University, Guangzhou, 510275, People's Republic of China
| | - Hong-Bin Wang
- School of Pharmaceutical Sciences, Institute of Medical Plant Physiology and Ecology, Guangzhou University of Chinese Medicine, 510006, Guangzhou, People's Republic of China
| | - Bing Liu
- School of Life Sciences, Guangdong Provincial Key Laboratory of Plant Resources, Sun Yat-sen University, Guangzhou, 510275, People's Republic of China
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25
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Stevens DM, Moreno-Pérez A, Weisberg AJ, Ramsing C, Fliegmann J, Zhang N, Madrigal M, Martin G, Steinbrenner A, Felix G, Coaker G. Natural variation of immune epitopes reveals intrabacterial antagonism. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.09.21.558511. [PMID: 37790530 PMCID: PMC10543004 DOI: 10.1101/2023.09.21.558511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/05/2023]
Abstract
Plants and animals detect biomolecules termed Microbe-Associated Molecular Patterns (MAMPs) and induce immunity. Agricultural production is severely impacted by pathogens which can be controlled by transferring immune receptors. However, most studies use a single MAMP epitope and the impact of diverse multi-copy MAMPs on immune induction is unknown. Here we characterized the epitope landscape from five proteinaceous MAMPs across 4,228 plant-associated bacterial genomes. Despite the diversity sampled, natural variation was constrained and experimentally testable. Immune perception in both Arabidopsis and tomato depended on both epitope sequence and copy number variation. For example, Elongation Factor Tu is predominantly single copy and 92% of its epitopes are immunogenic. Conversely, 99.9% of bacterial genomes contain multiple Cold Shock Proteins and 46% carry a non-immunogenic form. We uncovered a new mechanism for immune evasion, intrabacterial antagonism, where a non-immunogenic Cold Shock Protein blocks perception of immunogenic forms encoded in the same genome. These data will lay the foundation for immune receptor deployment and engineering based on natural variation.
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Affiliation(s)
- Danielle M. Stevens
- Integrative Genetics and Genomics Graduate Group, University of California, Davis, Davis CA 95616, USA
- Department of Plant Pathology, University of California, Davis, Davis CA 95616, USA
| | - Alba Moreno-Pérez
- Department of Plant Pathology, University of California, Davis, Davis CA 95616, USA
| | - Alexandra J. Weisberg
- Department of Botany and Plant Pathology, Oregon State University, Corvallis OR, USA
| | - Charis Ramsing
- Department of Plant Pathology, University of California, Davis, Davis CA 95616, USA
| | - Judith Fliegmann
- Center for Plant Molecular Biology (ZMBP), University of Tübingen, 72074 Tübingen, Germany
| | - Ning Zhang
- Boyce Thompson Institute for Plant Research, Ithaca NY, USA
- Plant Pathology and Plant-Microbe Biology Section, School of Integrative Plant Science, Cornell University, Ithaca NY, USA
| | - Melanie Madrigal
- Department of Plant Pathology, University of California, Davis, Davis CA 95616, USA
| | - Gregory Martin
- Boyce Thompson Institute for Plant Research, Ithaca NY, USA
- Plant Pathology and Plant-Microbe Biology Section, School of Integrative Plant Science, Cornell University, Ithaca NY, USA
| | - Adam Steinbrenner
- University of Washington, Department of Biology, Box 351800, Seattle, WA, 98195, USA
| | - Georg Felix
- Center for Plant Molecular Biology (ZMBP), University of Tübingen, 72074 Tübingen, Germany
| | - Gitta Coaker
- Department of Plant Pathology, University of California, Davis, Davis CA 95616, USA
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26
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Liang J, Lu L, Zhou H, Fang J, Zhao Y, Hou H, Chen L, Cao C, Yang D, Diao Z, Tang D, Li S. Receptor-like kinases OsRLK902-1 and OsRLK902-2 form immune complexes with OsRLCK185 to regulate rice blast resistance. JOURNAL OF EXPERIMENTAL BOTANY 2024; 75:1565-1579. [PMID: 37976240 DOI: 10.1093/jxb/erad460] [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: 10/09/2023] [Accepted: 11/16/2023] [Indexed: 11/19/2023]
Abstract
Receptor-like kinases (RLKs) are major regulators of the plant immune response and play important roles in the perception and transmission of immune signals. RECEPTOR LIKE KINASE 902 (RLK902) is at the key node in leucine-rich repeat receptor-like kinase interaction networks and positively regulates resistance to the bacterial pathogen Pseudomonas syringae in Arabidopsis. However, the function of RLK902 in fungal disease resistance remains obscure. In this study, we found that the expression levels of OsRLK902-1 and OsRLK902-2, encoding two orthologues of RLK902 in rice, were induced by Magnaporthe oryzae, chitin, and flg22 treatment. osrlk902-1 and osrlk902-2 knockout mutants displayed enhanced susceptibility to M. oryzae. Interestingly, the osrlk902-1 rlk902-2 double mutant exhibited similar disease susceptibility, hydrogen peroxide production, and callose deposition to the two single mutants. Further investigation showed that OsRLK902-1 interacts with and stabilizes OsRLK902-2. The two OsRLKs form a complex with OsRLCK185, a key regulator in chitin-triggered immunity, and stabilize it. Taken together, our data demonstrate that OsRLK902-1 and OsRLK902-2, as well as OsRLCK185 function together in regulating disease resistance to M. oryzae in rice.
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Affiliation(s)
- Jiahui Liang
- State Key Laboratory of Ecological Control of Fujian-Taiwan Crop Pests, Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Plant Immunity Center, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Ling Lu
- State Key Laboratory of Ecological Control of Fujian-Taiwan Crop Pests, Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Plant Immunity Center, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Houli Zhou
- State Key Laboratory of Ecological Control of Fujian-Taiwan Crop Pests, Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Plant Immunity Center, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Jianbo Fang
- State Key Laboratory of Ecological Control of Fujian-Taiwan Crop Pests, Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Plant Immunity Center, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Yaofei Zhao
- College of Agriculture, Shanxi Agricultural University, Taigu, Shanxi 030801, China
| | - Hongna Hou
- State Key Laboratory of Ecological Control of Fujian-Taiwan Crop Pests, Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Plant Immunity Center, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Lizhe Chen
- State Key Laboratory of Ecological Control of Fujian-Taiwan Crop Pests, Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Plant Immunity Center, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Chang Cao
- State Key Laboratory of Ecological Control of Fujian-Taiwan Crop Pests, Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Plant Immunity Center, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Dewei Yang
- Rice Research Institute, Fujian Academy of Agricultural Sciences, Fuzhou, 350019, China
| | - Zhijuan Diao
- State Key Laboratory of Ecological Control of Fujian-Taiwan Crop Pests, Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Plant Immunity Center, Fujian Agriculture and Forestry University, Fuzhou 350002, China
- College of Life Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Dingzhong Tang
- State Key Laboratory of Ecological Control of Fujian-Taiwan Crop Pests, Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Plant Immunity Center, Fujian Agriculture and Forestry University, Fuzhou 350002, China
- Ministerial and Provincial Joint Innovation Centre for Safety Production of Cross-Strait Crops, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Shengping Li
- State Key Laboratory of Ecological Control of Fujian-Taiwan Crop Pests, Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Plant Immunity Center, Fujian Agriculture and Forestry University, Fuzhou 350002, China
- Ministerial and Provincial Joint Innovation Centre for Safety Production of Cross-Strait Crops, Fujian Agriculture and Forestry University, Fuzhou 350002, China
- Fujian Provincial Key Laboratory of Crop Breeding by Design, Fujian Agriculture and Forestry University, Fuzhou, China
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27
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Waterman JM, Cofer TM, Wang L, Glauser G, Erb M. High-resolution kinetics of herbivore-induced plant volatile transfer reveal clocked response patterns in neighboring plants. eLife 2024; 12:RP89855. [PMID: 38385996 PMCID: PMC10942584 DOI: 10.7554/elife.89855] [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] [Indexed: 02/23/2024] Open
Abstract
Volatiles emitted by herbivore-attacked plants (senders) can enhance defenses in neighboring plants (receivers), however, the temporal dynamics of this phenomenon remain poorly studied. Using a custom-built, high-throughput proton transfer reaction time-of-flight mass spectrometry (PTR-ToF-MS) system, we explored temporal patterns of volatile transfer and responses between herbivore-attacked and undamaged maize plants. We found that continuous exposure to natural blends of herbivore-induced volatiles results in clocked temporal response patterns in neighboring plants, characterized by an induced terpene burst at the onset of the second day of exposure. This delayed burst is not explained by terpene accumulation during the night, but coincides with delayed jasmonate accumulation in receiver plants. The delayed burst occurs independent of day:night light transitions and cannot be fully explained by sender volatile dynamics. Instead, it is the result of a stress memory from volatile exposure during the first day and secondary exposure to bioactive volatiles on the second day. Our study reveals that prolonged exposure to natural blends of stress-induced volatiles results in a response that integrates priming and direct induction into a distinct and predictable temporal response pattern. This provides an answer to the long-standing question of whether stress volatiles predominantly induce or prime plant defenses in neighboring plants, by revealing that they can do both in sequence.
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Affiliation(s)
| | | | - Lei Wang
- Institute of Plant Sciences, University of BernBernSwitzerland
| | - Gaetan Glauser
- Neuchâtel Platform of Analytical Chemistry, Faculty of Science, University of NeuchâtelNeuchâtelSwitzerland
| | - Matthias Erb
- Institute of Plant Sciences, University of BernBernSwitzerland
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Brulé D, Héloir MC, Roudaire T, Villette J, Bonnet S, Pascal Y, Darblade B, Crozier P, Hugueney P, Coma V, Poinssot B. Increasing vineyard sustainability: innovating a targeted chitosan-derived biocontrol solution to induce grapevine resistance against downy and powdery mildews. FRONTIERS IN PLANT SCIENCE 2024; 15:1360254. [PMID: 38384763 PMCID: PMC10879612 DOI: 10.3389/fpls.2024.1360254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Accepted: 01/22/2024] [Indexed: 02/23/2024]
Abstract
The European Green Deal aims to reduce the pesticide use, notably by developing biocontrol products to protect crops from diseases. Indeed, the use of significant amounts of chemicals negatively impact the environment such as soil microbial biodiversity or groundwater quality, and human health. Grapevine (Vitis vinifera) was selected as one of the first targeted crop due to its economic importance and its dependence on fungicides to control the main damaging diseases worldwide: grey mold, downy and powdery mildews. Chitosan, a biopolymer extracted from crustacean exoskeletons, has been used as a biocontrol agent in many plant species, including grapevine, against a variety of cryptogamic diseases such as downy mildew (Plasmopara viticola), powdery mildew (Erysiphe necator) and grey mold (Botrytis cinerea). However, the precise molecular mechanisms underlying its mode of action remain unclear: is it a direct biopesticide effect or an indirect elicitation activity, or both? In this study, we investigated six chitosans with diverse degrees of polymerization (DP) ranging from low to high DP (12, 25, 33, 44, 100, and 470). We scrutinized their biological activities by evaluating both their antifungal properties and their abilities to induce grapevine immune responses. To investigate their elicitor activity, we analyzed their ability to induce MAPKs phosphorylation, the activation of defense genes and metabolite changes in grapevine. Our results indicate that the chitosans with a low DP are more effective in inducing grapevine defenses and possess the strongest biopesticide effect against B. cinerea and P. viticola. We identified chitosan with DP12 as the most efficient resistance inducer. Then, chitosan DP12 has been tested against downy and powdery mildews in the vineyard trials performed during the last three years. Results obtained indicated that a chitosan-based biocontrol product could be sufficiently efficient when the amount of pathogen inoculum is quite low and could be combined with only two fungicide treatments during whole season programs to obtain a good protection efficiency. On the whole, a chitosan-based biocontrol product could become an interesting alternative to meet the chemicals reduction targeted in sustainable viticulture.
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Affiliation(s)
- Daphnée Brulé
- UMR Agroécologie, INRAE, Institut Agro Dijon, Université de Bourgogne, Dijon, France
| | - Marie-Claire Héloir
- UMR Agroécologie, INRAE, Institut Agro Dijon, Université de Bourgogne, Dijon, France
| | - Thibault Roudaire
- UMR Agroécologie, INRAE, Institut Agro Dijon, Université de Bourgogne, Dijon, France
| | - Jérémy Villette
- UMR Agroécologie, INRAE, Institut Agro Dijon, Université de Bourgogne, Dijon, France
| | | | | | | | | | - Philippe Hugueney
- UMR-A 1131 Santé de la Vigne et Qualité du Vin (SVQV), Université de Strasbourg, INRAE, Colmar, France
| | - Véronique Coma
- Laboratoire de Chimie des Polymères Organiques, Université de Bordeaux, CNRS, Bordeaux INP, UMR 5629, Pessac, France
| | - Benoit Poinssot
- UMR Agroécologie, INRAE, Institut Agro Dijon, Université de Bourgogne, Dijon, France
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Cabre L, Jing L, Makechemu M, Heluin K, El Khamlichi S, Leprince J, Kiefer-Meyer MC, Pluchon S, Mollet JC, Zipfel C, Nguema-Ona E. Additive and Specific Effects of Elicitor Treatments on the Metabolic Profile of Arabidopsis thaliana. MOLECULAR PLANT-MICROBE INTERACTIONS : MPMI 2024; 37:112-126. [PMID: 37903461 DOI: 10.1094/mpmi-04-23-0051-r] [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: 11/01/2023]
Abstract
Several elicitors of plant defense have been identified and numerous efforts to use them in the field have been made. Exogenous elicitor treatments mimic the in planta activation of pattern-triggered immunity (PTI), which relies on the perception of pathogen-associated molecular patterns (PAMPs) such as bacterial flg22 or fungal chitins. Early transcriptional responses to distinct PAMPs are mostly overlapping, regardless of the elicitor being used. However, it remains poorly known if the same patterns are observed for metabolites and proteins produced later during PTI. In addition, little is known about the impact of a combination of elicitors on PTI and the level of induced resistance to pathogens. Here, we monitored Arabidopsis thaliana resistance to the bacterial pathogen Pseudomonas syringae pv. tomato DC3000 (Pto DC3000) following application of flg22 and chitosan elicitors, used individually or in combination. A slight, but not statistically significant increase in induced resistance was observed when the elicitors were applied together when compared with individual treatments. We investigated the effect of these treatments on the metabolome by using an untargeted analysis. We found that the combination of flg22 and chitosan impacted a higher number of metabolites and deregulated specific metabolic pathways compared with the elicitors individually. These results contribute to a better understanding of plant responses to elicitors, which might help better rationalize their use in the field. [Formula: see text] Copyright © 2024 The Author(s). This is an open access article distributed under the CC BY-NC-ND 4.0 International license.
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Affiliation(s)
- Lisa Cabre
- Centre Mondial de l'Innovation-Groupe Roullier (CMI-Roullier), Laboratoire de Nutrition Végétale, Saint Malo, F-35400, France
| | - Lun Jing
- Centre Mondial de l'Innovation-Groupe Roullier (CMI-Roullier), Plateforme de Chimie et Bio-Analyse, Saint Malo, F-35400, France
| | - Moffat Makechemu
- Department of Plant and Microbial Biology, Zurich-Basel Plant Science Center, University of Zürich, CH-8008 Zürich, Switzerland
| | - Kylhan Heluin
- Université de Rouen Normandie, GLYCOMEV UR 4358, SFR Normandie Végétal FED 4277, Innovation Chimie Carnot, RMT BESTIM, GDR Chémobiologie, IRIB, F-76000 Rouen, France
| | - Sarah El Khamlichi
- Université de Rouen Normandie, GLYCOMEV UR 4358, SFR Normandie Végétal FED 4277, Innovation Chimie Carnot, RMT BESTIM, GDR Chémobiologie, IRIB, F-76000 Rouen, France
| | - Jérôme Leprince
- Université de Rouen Normandie, CNRS, INSERM, HERACLES US 51 UAR 2026, PRIMACEN, IRIB, F-76000 Rouen, France
| | - Marie Christine Kiefer-Meyer
- Université de Rouen Normandie, GLYCOMEV UR 4358, SFR Normandie Végétal FED 4277, Innovation Chimie Carnot, RMT BESTIM, GDR Chémobiologie, IRIB, F-76000 Rouen, France
| | - Sylvain Pluchon
- Centre Mondial de l'Innovation-Groupe Roullier (CMI-Roullier), Laboratoire de Nutrition Végétale, Saint Malo, F-35400, France
| | - Jean-Claude Mollet
- Université de Rouen Normandie, GLYCOMEV UR 4358, SFR Normandie Végétal FED 4277, Innovation Chimie Carnot, RMT BESTIM, GDR Chémobiologie, IRIB, F-76000 Rouen, France
| | - Cyril Zipfel
- Department of Plant and Microbial Biology, Zurich-Basel Plant Science Center, University of Zürich, CH-8008 Zürich, Switzerland
- The Sainsbury Laboratory, University of East Anglia, Norwich Research Park, NR4 7UH Norwich, U.K
| | - Eric Nguema-Ona
- Centre Mondial de l'Innovation-Groupe Roullier (CMI-Roullier), Laboratoire de Nutrition Végétale, Saint Malo, F-35400, France
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Zhang C, Xie Y, He P, Shan L. Unlocking Nature's Defense: Plant Pattern Recognition Receptors as Guardians Against Pathogenic Threats. MOLECULAR PLANT-MICROBE INTERACTIONS : MPMI 2024; 37:73-83. [PMID: 38416059 DOI: 10.1094/mpmi-10-23-0177-hh] [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: 02/29/2024]
Abstract
Embedded in the plasma membrane of plant cells, receptor kinases (RKs) and receptor proteins (RPs) act as key sentinels, responsible for detecting potential pathogenic invaders. These proteins were originally characterized more than three decades ago as disease resistance (R) proteins, a concept that was formulated based on Harold Flor's gene-for-gene theory. This theory implies genetic interaction between specific plant R proteins and corresponding pathogenic effectors, eliciting effector-triggered immunity (ETI). Over the years, extensive research has unraveled their intricate roles in pathogen sensing and immune response modulation. RKs and RPs recognize molecular patterns from microbes as well as dangers from plant cells in initiating pattern-triggered immunity (PTI) and danger-triggered immunity (DTI), which have intricate connections with ETI. Moreover, these proteins are involved in maintaining immune homeostasis and preventing autoimmunity. This review showcases seminal studies in discovering RKs and RPs as R proteins and discusses the recent advances in understanding their functions in sensing pathogen signals and the plant cell integrity and in preventing autoimmunity, ultimately contributing to a robust and balanced plant defense response. [Formula: see text] The author(s) have dedicated the work to the public domain under the Creative Commons CC0 "No Rights Reserved" license by waiving all of his or her rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law, 2024.
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Affiliation(s)
- Chao Zhang
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, MI 48109, U.S.A
| | - Yingpeng Xie
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, MI 48109, U.S.A
| | - Ping He
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, MI 48109, U.S.A
| | - Libo Shan
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, MI 48109, U.S.A
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Kong L, Ma X, Zhang C, Kim SI, Li B, Xie Y, Yeo IC, Thapa H, Chen S, Devarenne TP, Munnik T, He P, Shan L. Dual phosphorylation of DGK5-mediated PA burst regulates ROS in plant immunity. Cell 2024; 187:609-623.e21. [PMID: 38244548 PMCID: PMC10872252 DOI: 10.1016/j.cell.2023.12.030] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 10/05/2023] [Accepted: 12/21/2023] [Indexed: 01/22/2024]
Abstract
Phosphatidic acid (PA) and reactive oxygen species (ROS) are crucial cellular messengers mediating diverse signaling processes in metazoans and plants. How PA homeostasis is tightly regulated and intertwined with ROS signaling upon immune elicitation remains elusive. We report here that Arabidopsis diacylglycerol kinase 5 (DGK5) regulates plant pattern-triggered immunity (PTI) and effector-triggered immunity (ETI). The pattern recognition receptor (PRR)-associated kinase BIK1 phosphorylates DGK5 at Ser-506, leading to a rapid PA burst and activation of plant immunity, whereas PRR-activated intracellular MPK4 phosphorylates DGK5 at Thr-446, which subsequently suppresses DGK5 activity and PA production, resulting in attenuated plant immunity. PA binds and stabilizes the NADPH oxidase RESPIRATORY BURST OXIDASE HOMOLOG D (RBOHD), regulating ROS production in plant PTI and ETI, and their potentiation. Our data indicate that distinct phosphorylation of DGK5 by PRR-activated BIK1 and MPK4 balances the homeostasis of cellular PA burst that regulates ROS generation in coordinating two branches of plant immunity.
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Affiliation(s)
- Liang Kong
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, MI 48109, USA; Department of Biochemistry & Biophysics, Texas A&M University, College Station, TX 77843, USA
| | - Xiyu Ma
- Department of Biochemistry & Biophysics, Texas A&M University, College Station, TX 77843, USA.
| | - Chao Zhang
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, MI 48109, USA; Department of Biochemistry & Biophysics, Texas A&M University, College Station, TX 77843, USA
| | - Sung-Il Kim
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, MI 48109, USA; Department of Biochemistry & Biophysics, Texas A&M University, College Station, TX 77843, USA
| | - Bo Li
- Department of Biochemistry & Biophysics, Texas A&M University, College Station, TX 77843, USA
| | - Yingpeng Xie
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, MI 48109, USA; Department of Biochemistry & Biophysics, Texas A&M University, College Station, TX 77843, USA
| | - In-Cheol Yeo
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, MI 48109, USA; Department of Biochemistry & Biophysics, Texas A&M University, College Station, TX 77843, USA
| | - Hem Thapa
- Department of Biochemistry & Biophysics, Texas A&M University, College Station, TX 77843, USA
| | - Sixue Chen
- Department of Biology, University of Mississippi, Oxford, MS 38677, USA
| | - Timothy P Devarenne
- Department of Biochemistry & Biophysics, Texas A&M University, College Station, TX 77843, USA
| | - Teun Munnik
- Department of Plant Cell Biology, Green Life Sciences Cluster, Swammerdam Institute for Life Sciences, University of Amsterdam, Amsterdam 1098XH, the Netherlands
| | - Ping He
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, MI 48109, USA; Department of Biochemistry & Biophysics, Texas A&M University, College Station, TX 77843, USA.
| | - Libo Shan
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, MI 48109, USA; Department of Biochemistry & Biophysics, Texas A&M University, College Station, TX 77843, USA.
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Zhi P, Gao R, Chen W, Chang C. Wheat Transcriptional Corepressor TaTPR1 Suppresses Susceptibility Genes TaDND1/2 and Potentiates Post-Penetration Resistance against Blumeria graminis forma specialis tritici. Int J Mol Sci 2024; 25:1695. [PMID: 38338970 PMCID: PMC10855895 DOI: 10.3390/ijms25031695] [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: 12/26/2023] [Revised: 01/22/2024] [Accepted: 01/27/2024] [Indexed: 02/12/2024] Open
Abstract
The obligate biotrophic fungal pathogen Blumeria graminis forma specialis tritici (B.g. tritici) is the causal agent of wheat powdery mildew disease. The TOPLESS-related 1 (TPR1) corepressor regulates plant immunity, but its role in regulating wheat resistance against powdery mildew remains to be disclosed. Herein, TaTPR1 was identified as a positive regulator of wheat post-penetration resistance against powdery mildew disease. The transient overexpression of TaTPR1.1 or TaTPR1.2 confers wheat post-penetration resistance powdery mildew, while the silencing of TaTPR1.1 and TaTPR1.2 results in an enhanced wheat susceptibility to B.g. tritici. Furthermore, Defense no Death 1 (TaDND1) and Defense no Death 2 (TaDND2) were identified as wheat susceptibility (S) genes facilitating a B.g. tritici infection. The overexpression of TaDND1 and TaDND2 leads to an enhanced wheat susceptibility to B.g. tritici, while the silencing of wheat TaDND1 and TaDND2 leads to a compromised susceptibility to powdery mildew. In addition, we demonstrated that the expression of TaDND1 and TaDND2 is negatively regulated by the wheat transcriptional corepressor TaTPR1. Collectively, these results implicate that TaTPR1 positively regulates wheat post-penetration resistance against powdery mildew probably via suppressing the S genes TaDND1 and TaDND2.
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Affiliation(s)
| | | | | | - Cheng Chang
- College of Life Sciences, Qingdao University, Qingdao 266071, China
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Binci F, Offer E, Crosino A, Sciascia I, Kleine-Vehn J, Genre A, Giovannetti M, Navazio L. Spatially and temporally distinct Ca2+ changes in Lotus japonicus roots orient fungal-triggered signalling pathways towards symbiosis or immunity. JOURNAL OF EXPERIMENTAL BOTANY 2024; 75:605-619. [PMID: 37712520 DOI: 10.1093/jxb/erad360] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Accepted: 09/13/2023] [Indexed: 09/16/2023]
Abstract
Plants activate an immune or symbiotic response depending on the detection of distinct signals from root-interacting microbes. Both signalling cascades involve Ca2+ as a central mediator of early signal transduction. In this study, we combined aequorin- and cameleon-based methods to dissect the changes in cytosolic and nuclear Ca2+ concentration caused by different chitin-derived fungal elicitors in Lotus japonicus roots. Our quantitative analyses highlighted the dual character of the evoked Ca2+ responses taking advantage of the comparison between different genetic backgrounds: an initial Ca2+ influx, dependent on the LysM receptor CERK6 and independent of the common symbiotic signalling pathway (CSSP), is followed by a second CSSP-dependent and CERK6-independent phase, that corresponds to the well-known perinuclear/nuclear Ca2+ spiking. We show that the expression of immunity marker genes correlates with the amplitude of the first Ca2+ change, depends on elicitor concentration, and is controlled by Ca2+ storage in the vacuole. Our findings provide an insight into the Ca2+-mediated signalling mechanisms discriminating plant immunity- and symbiosis-related pathways in the context of their simultaneous activation by single fungal elicitors.
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Affiliation(s)
- Filippo Binci
- Department of Biology, University of Padova, 35131 Padova, Italy
| | - Elisabetta Offer
- Department of Biology, University of Padova, 35131 Padova, Italy
| | - Andrea Crosino
- Department of Life Sciences and Systems Biology, University of Torino, 10125 Torino, Italy
| | - Ivan Sciascia
- Department of Life Sciences and Systems Biology, University of Torino, 10125 Torino, Italy
| | - Jürgen Kleine-Vehn
- Centre for Integrative Biological Signalling Studies (CIBSS), University of Freiburg, 79104 Freiburg, Germany
- Institute of Biology II, Department of Molecular Plant Physiology (MoPP), University of Freiburg, 79104 Freiburg, Germany
| | - Andrea Genre
- Department of Life Sciences and Systems Biology, University of Torino, 10125 Torino, Italy
| | - Marco Giovannetti
- Department of Biology, University of Padova, 35131 Padova, Italy
- Department of Life Sciences and Systems Biology, University of Torino, 10125 Torino, Italy
| | - Lorella Navazio
- Department of Biology, University of Padova, 35131 Padova, Italy
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Li R, Schaller A, Stintzi A. Quantitative Measurement of Pattern-Triggered ROS Burst as an Early Immune Response in Tomato. Methods Mol Biol 2024; 2731:157-167. [PMID: 38019433 DOI: 10.1007/978-1-0716-3511-7_12] [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
The rapid accumulation of extracellular "reactive oxygen species" (ROS), also known as the "oxidative burst", is an early plant immune response triggered by pathogen-derived microbe-associated molecular patterns and by endogenous plant signaling molecules. The oxidative burst is often used as a readout for the activation of defense signaling. Here, we present a detailed protocol for the continuous measurement of ROS production in leaf discs of tomato plants, using a chemiluminescence-based assay in a microtiter plate format. We also include recommendations for data analysis and for the quantitative assessment of differences in ROS burst dynamics, as caused by different types of elicitors, or in different tomato genotypes.
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Affiliation(s)
- Rong Li
- Department of Plant Physiology and Biochemistry, University of Hohenheim, Stuttgart, Germany
| | - Andreas Schaller
- Department of Plant Physiology and Biochemistry, University of Hohenheim, Stuttgart, Germany
| | - Annick Stintzi
- Department of Plant Physiology and Biochemistry, University of Hohenheim, Stuttgart, Germany.
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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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Si X, Liu H, Cheng X, Xu C, Han Z, Dai Z, Wang R, Pan C, Lu G. Integrative transcriptomic analysis unveils lncRNA-miRNA-mRNA interplay in tomato plants responding to Ralstonia solanacearum. Int J Biol Macromol 2023; 253:126891. [PMID: 37709224 DOI: 10.1016/j.ijbiomac.2023.126891] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 08/26/2023] [Accepted: 09/11/2023] [Indexed: 09/16/2023]
Abstract
Ralstonia solanacearum, a bacterial plant pathogen, poses a significant threat to tomato (Solanum lycopersicum) production through destructive wilt disease. While noncoding RNA has emerged as a crucial regulator in plant disease, its specific involvement in tomato bacterial wilt remains limited. Here, we conducted a comprehensive analysis of the transcriptional landscape, encompassing both mRNAs and noncoding RNAs, in a tomato resistant line ('ZRS_7') and a susceptible line ('HTY_9') upon R. solanacearum inoculation using high-throughput RNA sequencing. Differential expression (DE) analysis revealed significant alterations in 7506 mRNAs, 997 lncRNAs, and 69 miRNAs between 'ZRS_7' and 'HTY_9' after pathogen exposure. Notably, 4548 mRNAs, 367 lncRNAs, and 26 miRNAs exhibited genotype-specific responses to R. solanacearum inoculation. GO and KEGG pathway analyses unveiled the potential involvement of noncoding RNAs in the response to bacterial wilt disease, targeting receptor-like kinases, cell wall-related genes, glutamate decarboxylases, and other key pathways. Furthermore, we constructed a comprehensive competing endogenous RNA (ceRNA) network incorporating 13 DE-miRNAs, 30 DE-lncRNAs, and 127 DEGs, providing insights into their potential contributions to the response against bacterial inoculation. Importantly, the characterization of possible endogenous target mimics (eTMs) of Sly-miR482e-3p via VIGS technology demonstrated the significant impact of eTM482e-3p-1 silencing on tomato's sensitivity to R. solanacearum. These findings support the existence of an eTM482e-3p-1-Sly-miR482e-3p-NBS-LRRs network in regulating tomato's response to the pathogen. Collectively, our findings shed light on the intricate interactions among lncRNAs, miRNAs, and mRNAs as underlying factors in conferring resistance to R. solanacearum in tomato.
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Affiliation(s)
- Xiuyang Si
- Department of Horticulture, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China
| | - Hongyan Liu
- Department of Horticulture, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China
| | - Xi Cheng
- Department of Horticulture, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China
| | - Chengcui Xu
- Department of Horticulture, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China
| | - Zhanghui Han
- Department of Horticulture, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China
| | - Zhongren Dai
- Branch Academy of Horticultural Research, Harbin Academy of Agricultural Sciences, Harbin 150029, China
| | - Rongqing Wang
- Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou 310022, China
| | - Changtian Pan
- Department of Horticulture, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China; Key Laboratory of Horticultural Plant Growth, Development and Quality Improvement, Ministry of Agricultural, Zhejiang University, Hangzhou 310058, China
| | - Gang Lu
- Department of Horticulture, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China; Key Laboratory of Horticultural Plant Growth, Development and Quality Improvement, Ministry of Agricultural, Zhejiang University, Hangzhou 310058, China.
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Macho AP. Walking down the phosphorylation path to root immunity. Cell Host Microbe 2023; 31:1953-1955. [PMID: 38096788 DOI: 10.1016/j.chom.2023.11.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 11/15/2023] [Accepted: 11/15/2023] [Indexed: 12/18/2023]
Abstract
Pathogen perception in plant roots is under-explored compared to that in shoots. In this issue of Cell Host & Microbe, Wang et al. characterize the phosphorylation-mediated signaling pathway that positively and negatively regulates plant resistance to bacterial wilt disease upon perception of a metabolite from the soil-borne vascular pathogen Ralstonia solanacearum.
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Affiliation(s)
- Alberto P Macho
- Shanghai Center for Plant Stress Biology, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai 201602, China.
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38
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Wanke A, van Boerdonk S, Mahdi LK, Wawra S, Neidert M, Chandrasekar B, Saake P, Saur IML, Derbyshire P, Holton N, Menke FLH, Brands M, Pauly M, Acosta IF, Zipfel C, Zuccaro A. A GH81-type β-glucan-binding protein enhances colonization by mutualistic fungi in barley. Curr Biol 2023; 33:5071-5084.e7. [PMID: 37977140 DOI: 10.1016/j.cub.2023.10.048] [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: 04/01/2023] [Revised: 08/06/2023] [Accepted: 10/25/2023] [Indexed: 11/19/2023]
Abstract
Cell walls are important interfaces of plant-fungal interactions, acting as robust physical and chemical barriers against invaders. Upon fungal colonization, plants deposit phenolics and callose at the sites of fungal penetration to prevent further fungal progression. Alterations in the composition of plant cell walls significantly impact host susceptibility. Furthermore, plants and fungi secrete glycan hydrolases acting on each other's cell walls. These enzymes release various sugar oligomers into the apoplast, some of which activate host immunity via surface receptors. Recent characterization of cell walls from plant-colonizing fungi has emphasized the abundance of β-glucans in different cell wall layers, which makes them suitable targets for recognition. To characterize host components involved in immunity against fungi, we performed a protein pull-down with the biotinylated β-glucan laminarin. Thereby, we identified a plant glycoside hydrolase family 81-type glucan-binding protein (GBP) as a β-glucan interactor. Mutation of GBP1 and its only paralog, GBP2, in barley led to decreased colonization by the beneficial root endophytes Serendipita indica and S. vermifera, as well as the arbuscular mycorrhizal fungus Rhizophagus irregularis. The reduction of colonization was accompanied by enhanced responses at the host cell wall, including an extension of callose-containing cell wall appositions. Moreover, GBP mutation in barley also reduced fungal biomass in roots by the hemibiotrophic pathogen Bipolaris sorokiniana and inhibited the penetration success of the obligate biotrophic leaf pathogen Blumeria hordei. These results indicate that GBP1 is involved in the establishment of symbiotic associations with beneficial fungi-a role that has potentially been appropriated by barley-adapted pathogens.
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Affiliation(s)
- Alan Wanke
- Institute for Plant Sciences, University of Cologne, Cologne, Germany; Max Planck Institute for Plant Breeding Research, Cologne, Germany
| | - Sarah van Boerdonk
- Institute for Plant Sciences, University of Cologne, Cologne, Germany; Max Planck Institute for Plant Breeding Research, Cologne, Germany
| | - Lisa Katharina Mahdi
- Institute for Plant Sciences, University of Cologne, Cologne, Germany; Max Planck Institute for Plant Breeding Research, Cologne, Germany
| | - Stephan Wawra
- Institute for Plant Sciences, University of Cologne, Cologne, Germany
| | - Miriam Neidert
- Institute for Plant Sciences, University of Cologne, Cologne, Germany
| | - Balakumaran Chandrasekar
- Institute for Plant Sciences, University of Cologne, Cologne, Germany; Cluster of Excellence on Plant Sciences (CEPLAS), Cologne, Germany
| | - Pia Saake
- Institute for Plant Sciences, University of Cologne, Cologne, Germany; Cluster of Excellence on Plant Sciences (CEPLAS), Cologne, Germany
| | - Isabel M L Saur
- Institute for Plant Sciences, University of Cologne, Cologne, Germany; Cluster of Excellence on Plant Sciences (CEPLAS), Cologne, Germany
| | - Paul Derbyshire
- The Sainsbury Laboratory, University of East Anglia, Norwich, UK
| | - Nicholas Holton
- The Sainsbury Laboratory, University of East Anglia, Norwich, UK
| | - Frank L H Menke
- The Sainsbury Laboratory, University of East Anglia, Norwich, UK
| | - Mathias Brands
- Institute for Plant Sciences, University of Cologne, Cologne, Germany
| | - Markus Pauly
- Institute of Plant Cell Biology and Biotechnology, Heinrich-Heine University Düsseldorf, Düsseldorf, Germany; Cluster of Excellence on Plant Sciences (CEPLAS), Düsseldorf, Germany
| | - Ivan F Acosta
- Max Planck Institute for Plant Breeding Research, Cologne, Germany
| | - Cyril Zipfel
- The Sainsbury Laboratory, University of East Anglia, Norwich, UK; Institute of Plant and Microbial Biology, University of Zurich, and Zurich-Basel Plant Science Center, Zurich, Switzerland
| | - Alga Zuccaro
- Institute for Plant Sciences, University of Cologne, Cologne, Germany; Cluster of Excellence on Plant Sciences (CEPLAS), Cologne, Germany.
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39
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Zeng H, Zhu Q, Yuan P, Yan Y, Yi K, Du L. Calmodulin and calmodulin-like protein-mediated plant responses to biotic stresses. PLANT, CELL & ENVIRONMENT 2023; 46:3680-3703. [PMID: 37575022 DOI: 10.1111/pce.14686] [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: 05/17/2023] [Revised: 07/10/2023] [Accepted: 08/01/2023] [Indexed: 08/15/2023]
Abstract
Plants have evolved a set of finely regulated mechanisms to respond to various biotic stresses. Transient changes in intracellular calcium (Ca2+ ) concentration have been well documented to act as cellular signals in coupling environmental stimuli to appropriate physiological responses with astonishing accuracy and specificity in plants. Calmodulins (CaMs) and calmodulin-like proteins (CMLs) are extensively characterized as important classes of Ca2+ sensors. The spatial-temporal coordination between Ca2+ transients, CaMs/CMLs and their target proteins is critical for plant responses to environmental stresses. Ca2+ -loaded CaMs/CMLs interact with and regulate a broad spectrum of target proteins, such as ion transporters (including channels, pumps, and antiporters), transcription factors, protein kinases, protein phosphatases, metabolic enzymes and proteins with unknown biological functions. This review focuses on mechanisms underlying how CaMs/CMLs are involved in the regulation of plant responses to diverse biotic stresses including pathogen infections and herbivore attacks. Recent discoveries of crucial functions of CaMs/CMLs and their target proteins in biotic stress resistance revealed through physiological, molecular, biochemical, and genetic analyses have been described, and intriguing insights into the CaM/CML-mediated regulatory network are proposed. Perspectives for future directions in understanding CaM/CML-mediated signalling pathways in plant responses to biotic stresses are discussed. The application of accumulated knowledge of CaM/CML-mediated signalling in biotic stress responses into crop cultivation would improve crop resistance to various biotic stresses and safeguard our food production in the future.
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Affiliation(s)
- Houqing Zeng
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, China
| | - Qiuqing Zhu
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, China
| | - Peiguo Yuan
- Department of Plant Pathology and Microbiology, Texas A&M University, College Station, Texas, USA
| | - Yan Yan
- Department of Biochemistry and Biophysics, Texas A&M University, College Station, Texas, USA
| | - Keke Yi
- State Key Laboratory of Efficient Utilization of Arid and Semi-arid Arable Land in Northern China, Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Liqun Du
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, China
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Scharte J, Hassa S, Herrfurth C, Feussner I, Forlani G, Weis E, von Schaewen A. Metabolic priming in G6PDH isoenzyme-replaced tobacco lines improves stress tolerance and seed yields via altering assimilate partitioning. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2023; 116:1696-1716. [PMID: 37713307 DOI: 10.1111/tpj.16460] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 08/25/2023] [Accepted: 08/29/2023] [Indexed: 09/17/2023]
Abstract
We investigated the basis for better performance of transgenic Nicotiana tabacum plants with G6PDH-isoenzyme replacement in the cytosol (Xanthi::cP2::cytRNAi, Scharte et al., 2009). After six generations of selfing, infiltration of Phytophthora nicotianae zoospores into source leaves confirmed that defence responses (ROS, callose) are accelerated, showing as fast cell death of the infected tissue. Yet, stress-related hormone profiles resembled susceptible Xanthi and not resistant cultivar SNN, hinting at mainly metabolic adjustments in the transgenic lines. Leaves of non-stressed plants contained twofold elevated fructose-2,6-bisphosphate (F2,6P2 ) levels, leading to partial sugar retention (soluble sugars, starch) and elevated hexose-to-sucrose ratios, but also more lipids. Above-ground biomass lay in between susceptible Xanthi and resistant SNN, with photo-assimilates preferentially allocated to inflorescences. Seeds were heavier with higher lipid-to-carbohydrate ratios, resulting in increased harvest yields - also under water limitation. Abiotic stress tolerance (salt, drought) was improved during germination, and in floated leaf disks of non-stressed plants. In leaves of salt-watered plants, proline accumulated to higher levels during illumination, concomitant with efficient NADP(H) use and recycling. Non-stressed plants showed enhanced PSII-induction kinetics (upon dark-light transition) with little differences at the stationary phase. Leaf exudates contained 10% less sucrose, similar amino acids, but more fatty acids - especially in the light. Export of specific fatty acids via the phloem may contribute to both, earlier flowering and higher seed yields of the Xanthi-cP2 lines. Apparently, metabolic priming by F2,6P2 -combined with sustained NADP(H) turnover-bypasses the genetically fixed growth-defence trade-off, rendering tobacco plants more stress-resilient and productive.
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Affiliation(s)
- Judith Scharte
- Institut für Biologie und Biotechnologie der Pflanzen, Fachbereich Biologie, Universität Münster, Schlossplatz 7, D-48149, Münster, Germany
| | - Sebastian Hassa
- Institut für Biologie und Biotechnologie der Pflanzen, Fachbereich Biologie, Universität Münster, Schlossplatz 7, D-48149, Münster, Germany
| | - Cornelia Herrfurth
- Albrecht-von-Haller-Institut für Pflanzenwissenschaften and Göttinger Zentrum für Molekulare Biowissenschaften (GZMB), Abteilung Biochemie der Pflanze, Universität Göttingen, Justus-von-Liebig-Weg 11, D-37077, Göttingen, Germany
| | - Ivo Feussner
- Albrecht-von-Haller-Institut für Pflanzenwissenschaften and Göttinger Zentrum für Molekulare Biowissenschaften (GZMB), Abteilung Biochemie der Pflanze, Universität Göttingen, Justus-von-Liebig-Weg 11, D-37077, Göttingen, Germany
| | - Giuseppe Forlani
- Laboratorio di Fisiologia e Biochimica Vegetale, Dipartimento di Scienze della Vita e Biotecnologie, Universitá degli Studi di Ferrara, Via L. Borsari 46, I-44121, Ferrara, Italy
| | - Engelbert Weis
- Institut für Biologie und Biotechnologie der Pflanzen, Fachbereich Biologie, Universität Münster, Schlossplatz 7, D-48149, Münster, Germany
| | - Antje von Schaewen
- Institut für Biologie und Biotechnologie der Pflanzen, Fachbereich Biologie, Universität Münster, Schlossplatz 7, D-48149, Münster, Germany
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Rebaque D, López G, Sanz Y, Vilaplana F, Brunner F, Mélida H, Molina A. Subcritical water extraction of Equisetum arvense biomass withdraws cell wall fractions that trigger plant immune responses and disease resistance. PLANT MOLECULAR BIOLOGY 2023; 113:401-414. [PMID: 37129736 PMCID: PMC10730674 DOI: 10.1007/s11103-023-01345-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Accepted: 02/27/2023] [Indexed: 05/03/2023]
Abstract
Plant cell walls are complex structures mainly made up of carbohydrate and phenolic polymers. In addition to their structural roles, cell walls function as external barriers against pathogens and are also reservoirs of glycan structures that can be perceived by plant receptors, activating Pattern-Triggered Immunity (PTI). Since these PTI-active glycans are usually released upon plant cell wall degradation, they are classified as Damage Associated Molecular Patterns (DAMPs). Identification of DAMPs imply their extraction from plant cell walls by using multistep methodologies and hazardous chemicals. Subcritical water extraction (SWE) has been shown to be an environmentally sustainable alternative and a simplified methodology for the generation of glycan-enriched fractions from different cell wall sources, since it only involves the use of water. Starting from Equisetum arvense cell walls, we have explored two different SWE sequential extractions (isothermal at 160 ºC and using a ramp of temperature from 100 to 160 ºC) to obtain glycans-enriched fractions, and we have compared them with those generated with a standard chemical-based wall extraction. We obtained SWE fractions enriched in pectins that triggered PTI hallmarks in Arabidopsis thaliana such as calcium influxes, reactive oxygen species production, phosphorylation of mitogen activated protein kinases and overexpression of immune-related genes. Notably, application of selected SWE fractions to pepper plants enhanced their disease resistance against the fungal pathogen Sclerotinia sclerotiorum. These data support the potential of SWE technology in extracting PTI-active fractions from plant cell wall biomass containing DAMPs and the use of SWE fractions in sustainable crop production.
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Affiliation(s)
- Diego Rebaque
- Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM) - Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA/CSIC), Pozuelo de Alarcón (Madrid), Campus de Montegancedo UPM, Madrid, 28223, Spain
- Departamento de Biotecnología-Biología Vegetal, Escuela Técnica Superior de Ingeniería Agronómica, Alimentaría y de Biosistemas, UPM, Madrid, 28040, Spain
- PlantResponse Inc, Centro de Empresas, Campus de Montegancedo UPM, 28223-Pozuelo de Alarcón (Madrid), Madrid, Spain
- Division of Glycoscience, School of Engineering Sciences in Chemistry, Biotechnology and Health, Royal Institute of Technology (KTH), Stockholm, Sweden
| | - Gemma López
- Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM) - Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA/CSIC), Pozuelo de Alarcón (Madrid), Campus de Montegancedo UPM, Madrid, 28223, Spain
| | - Yolanda Sanz
- PlantResponse Inc, Centro de Empresas, Campus de Montegancedo UPM, 28223-Pozuelo de Alarcón (Madrid), Madrid, Spain
| | - Francisco Vilaplana
- Division of Glycoscience, School of Engineering Sciences in Chemistry, Biotechnology and Health, Royal Institute of Technology (KTH), Stockholm, Sweden
| | - Frèderic Brunner
- PlantResponse Inc, Centro de Empresas, Campus de Montegancedo UPM, 28223-Pozuelo de Alarcón (Madrid), Madrid, Spain
| | - Hugo Mélida
- Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM) - Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA/CSIC), Pozuelo de Alarcón (Madrid), Campus de Montegancedo UPM, Madrid, 28223, Spain.
- Área de Fisiología Vegetal, Departamento de Ingeniería y Ciencias Agrarias, Universidad de León, León, Spain.
| | - Antonio Molina
- Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM) - Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA/CSIC), Pozuelo de Alarcón (Madrid), Campus de Montegancedo UPM, Madrid, 28223, Spain.
- Departamento de Biotecnología-Biología Vegetal, Escuela Técnica Superior de Ingeniería Agronómica, Alimentaría y de Biosistemas, UPM, Madrid, 28040, Spain.
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42
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Wang H, Wang WM, Fan J. Life and death: the destiny of Phytophthora sojae determined by a receptor-like kinase. STRESS BIOLOGY 2023; 3:49. [PMID: 37987853 PMCID: PMC10663419 DOI: 10.1007/s44154-023-00132-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Accepted: 10/31/2023] [Indexed: 11/22/2023]
Abstract
Leucine-rich repeat receptor-like kinases (LRR-RLKs) are well known to act in plant growth, development, and defense responses. Plant LRR-RLKs locate on cell surface to sense and initiate responsive signals to a variety of extracellular stimuli, such as microbe-associated molecular patterns (MAMPs) released from microorganisms. LRR-RLKs are also present in microbes and function in microbial growth and development, but their roles in communicating with hosts are largely unknown. A recent study published in Nature Communications uncovered that a microbial LRR-RLK, PsRLK6, is required for oospore development in the sexual reproduction of Phytophthora sojae, an oomycete pathogen that causes root and stem rot in soybean. Meanwhile, PsRLK6 is recognized as a novel type of MAMP by an unknown plant LRR receptor-like protein and triggers immune responses in soybean, tomato, and Nicotiana benthamiana. The findings reveal dual roles of a pathogen LRR-RLK in determining both life through sexual reproduction and death through triggering plant immunity.
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Affiliation(s)
- He Wang
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, 611130, China
| | - Wen-Ming Wang
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, 611130, China.
| | - Jing Fan
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, 611130, China.
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Yao L, Jiang Z, Wang Y, Hu Y, Hao G, Zhong W, Wan S, Xin X. High air humidity dampens salicylic acid pathway and NPR1 function to promote plant disease. EMBO J 2023; 42:e113499. [PMID: 37728254 PMCID: PMC10620762 DOI: 10.15252/embj.2023113499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 08/16/2023] [Accepted: 08/18/2023] [Indexed: 09/21/2023] Open
Abstract
The occurrence of plant disease is determined by interactions among host, pathogen, and environment. Air humidity shapes various aspects of plant physiology and high humidity has long been known to promote numerous phyllosphere diseases. However, the molecular basis of how high humidity interferes with plant immunity to favor disease has remained elusive. Here we show that high humidity is associated with an "immuno-compromised" status in Arabidopsis plants. Furthermore, accumulation and signaling of salicylic acid (SA), an important defense hormone, are significantly inhibited under high humidity. NPR1, an SA receptor and central transcriptional co-activator of SA-responsive genes, is less ubiquitinated and displays a lower promoter binding affinity under high humidity. The cellular ubiquitination machinery, particularly the Cullin 3-based E3 ubiquitin ligase mediating NPR1 protein ubiquitination, is downregulated under high humidity. Importantly, under low humidity the Cullin 3a/b mutant plants phenocopy the low SA gene expression and disease susceptibility that is normally observed under high humidity. Our study uncovers a mechanism by which high humidity dampens a major plant defense pathway and provides new insights into the long-observed air humidity influence on diseases.
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Affiliation(s)
- Lingya Yao
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and EcologyChinese Academy of SciencesShanghaiChina
- University of the Chinese Academy of SciencesBeijingChina
| | - Zeyu Jiang
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and EcologyChinese Academy of SciencesShanghaiChina
- University of the Chinese Academy of SciencesBeijingChina
| | - Yiping Wang
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and EcologyChinese Academy of SciencesShanghaiChina
- University of the Chinese Academy of SciencesBeijingChina
| | - Yezhou Hu
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and EcologyChinese Academy of SciencesShanghaiChina
- University of the Chinese Academy of SciencesBeijingChina
| | - Guodong Hao
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and EcologyChinese Academy of SciencesShanghaiChina
- University of the Chinese Academy of SciencesBeijingChina
| | - Weili Zhong
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and EcologyChinese Academy of SciencesShanghaiChina
- University of the Chinese Academy of SciencesBeijingChina
| | - Shiwei Wan
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and EcologyChinese Academy of SciencesShanghaiChina
- University of the Chinese Academy of SciencesBeijingChina
| | - Xiu‐Fang Xin
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and EcologyChinese Academy of SciencesShanghaiChina
- University of the Chinese Academy of SciencesBeijingChina
- Chinese Academy of Sciences (CAS) and CAS John Innes Centre of Excellence for Plant and Microbial SciencesShanghaiChina
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Sun X, Tang M, Xu L, Luo X, Shang Y, Duan W, Huang Z, Jin C, Chen G. Genome-wide identification of long non-coding RNAs and their potential functions in radish response to salt stress. Front Genet 2023; 14:1232363. [PMID: 38028592 PMCID: PMC10656690 DOI: 10.3389/fgene.2023.1232363] [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: 05/31/2023] [Accepted: 10/17/2023] [Indexed: 12/01/2023] Open
Abstract
Long non-coding RNAs (lncRNAs) are increasingly recognized as cis- and trans-acting regulators of protein-coding genes in plants, particularly in response to abiotic stressors. Among these stressors, high soil salinity poses a significant challenge to crop productivity. Radish (Raphanus sativus L.) is a prominent root vegetable crop that exhibits moderate susceptibility to salt stress, particularly during the seedling stage. Nevertheless, the precise regulatory mechanisms through which lncRNAs contribute to salt response in radish remain largely unexplored. In this study, we performed genome-wide identification of lncRNAs using strand-specific RNA sequencing on radish fleshy root samples subjected to varying time points of salinity treatment. A total of 7,709 novel lncRNAs were identified, with 363 of them displaying significant differential expression in response to salt application. Furthermore, through target gene prediction, 5,006 cis- and 5,983 trans-target genes were obtained for the differentially expressed lncRNAs. The predicted target genes of these salt-responsive lncRNAs exhibited strong associations with various plant defense mechanisms, including signal perception and transduction, transcription regulation, ion homeostasis, osmoregulation, reactive oxygen species scavenging, photosynthesis, phytohormone regulation, and kinase activity. Notably, this study represents the first comprehensive genome-wide analysis of salt-responsive lncRNAs in radish, to the best of our knowledge. These findings provide a basis for future functional analysis of lncRNAs implicated in the defense response of radish against high salinity, which will aid in further understanding the regulatory mechanisms underlying radish response to salt stress.
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Affiliation(s)
- Xiaochuan Sun
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian, China
| | - Mingjia Tang
- Department of Horticulture, Zhejiang University, Hangzhou, China
| | - Liang Xu
- National Key Laboratory of Crop Genetics & Germplasm Enhancement and Utilization, Key Laboratory of Horticultural Crop Biology and Genetic Improvement (East China) of MOAR, College of Horticulture, Nanjing Agricultural University, Nanjing, China
| | - Xiaobo Luo
- Guizhou Institute of Biotechnology, Guizhou Province Academy of Agricultural Sciences, Guiyang, China
| | - Yutong Shang
- Guizhou Institute of Biotechnology, Guizhou Province Academy of Agricultural Sciences, Guiyang, China
| | - Weike Duan
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian, China
| | - Zhinan Huang
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian, China
| | - Cong Jin
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian, China
| | - Guodong Chen
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian, China
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45
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Truong TTT, Chiu CC, Chen JY, Su PY, Nguyen TP, Trinh NN, Mimura T, Lee RH, Chang CH, Huang HJ. Uncovering molecular mechanisms involved in microbial volatile compounds-induced stomatal closure in Arabidopsis thaliana. PLANT MOLECULAR BIOLOGY 2023; 113:143-155. [PMID: 37985583 DOI: 10.1007/s11103-023-01379-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Accepted: 09/18/2023] [Indexed: 11/22/2023]
Abstract
Microbial volatile compounds (mVCs) may cause stomatal closure to limit pathogen invasion as part of plant innate immune response. However, the mechanisms of mVC-induced stomatal closure remain unclear. In this study, we co-cultured Enterobacter aerogenes with Arabidopsis (Arabidopsis thaliana) seedlings without direct contact to initiate stomatal closure. Experiments using the reactive oxygen species (ROS)-sensitive fluorescent dye, H2DCF-DA, showed that mVCs from E. aerogenes enhanced ROS production in guard cells of wild-type plants. The involvement of ROS in stomatal closure was then demonstrated in an ROS production mutant (rbohD). In addition, we identified two stages of signal transduction during E. aerogenes VC-induced stomatal closure by comparing the response of wild-type Arabidopsis with a panel of mutants. In the early stage (3 h exposure), E. aerogenes VCs induced stomatal closure in wild-type and receptor-like kinase THESEUS1 mutant (the1-1) but not in rbohD, plant hormone-related mutants (nced3, erf4, jar1-1), or MAPK kinase mutants (mkk1 and mkk3). However, in the late stage (24 h exposure), E. aerogenes VCs induced stomatal closure in wild-type and rbohD but not in nced3, erf4, jar1-1, the1-1, mkk1 or mkk3. Taken together, our results suggest that E. aerogenes mVC-induced plant immune responses modulate stomatal closure in Arabidopsis by a multi-phase mechanism.
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Affiliation(s)
- Tu-Trinh Thi Truong
- Department of Life Sciences, National Cheng Kung University, No. 1, University Road, Tainan, 701, Taiwan
- Faculty of Technology, The University of Danang-Campus in Kontum, The University of Danang, Kon Tum City, 580000, Vietnam
| | - Chi-Chou Chiu
- Institute of Tropical Plant Sciences and Microbiology, National Cheng Kung University, No. 1, University Road, Tainan, 701, Taiwan
| | - Jing-Yu Chen
- Department of Life Sciences, National Cheng Kung University, No. 1, University Road, Tainan, 701, Taiwan
| | - Pei-Yu Su
- Department of Life Sciences, National Cheng Kung University, No. 1, University Road, Tainan, 701, Taiwan
| | - Tri-Phuong Nguyen
- Department of Life Sciences, National Cheng Kung University, No. 1, University Road, Tainan, 701, Taiwan
| | - Ngoc-Nam Trinh
- Industrial University of Ho Chi Minh City, No. 12, Nguyen Van Bao, Ho Chi Minh City, Vietnam
| | - Tetsuro Mimura
- Kyoto University of Advanced Science, Kameoka, Kyoto, 621-8555, Japan
| | - Ruey-Hua Lee
- Institute of Tropical Plant Sciences and Microbiology, National Cheng Kung University, No. 1, University Road, Tainan, 701, Taiwan
| | - Ching-Han Chang
- Graduate Program in Translational Agricultural Sciences, National Cheng Kung University and Academia Sinica, No. 1, University Road, Tainan, 701, Taiwan
| | - Hao-Jen Huang
- Department of Life Sciences, National Cheng Kung University, No. 1, University Road, Tainan, 701, Taiwan.
- Graduate Program in Translational Agricultural Sciences, National Cheng Kung University and Academia Sinica, No. 1, University Road, Tainan, 701, Taiwan.
- Institute of Tropical Plant Sciences and Microbiology, National Cheng Kung University, No. 1, University Road, Tainan, 701, Taiwan.
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46
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Wang K, Fu S, Wu L, Wu J, Wang Y, Xu Y, Zhou X. Rice stripe virus nonstructural protein 3 suppresses plant defence responses mediated by the MEL-SHMT1 module. MOLECULAR PLANT PATHOLOGY 2023; 24:1359-1369. [PMID: 37404045 PMCID: PMC10576177 DOI: 10.1111/mpp.13373] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 06/15/2023] [Accepted: 06/19/2023] [Indexed: 07/06/2023]
Abstract
Our previous study identified an evolutionarily conserved C4HC3-type E3 ligase, named microtubule-associated E3 ligase (MEL), that regulates broad-spectrum plant resistance against viral, fungal and bacterial pathogens in multiple plant species by mediating serine hydroxymethyltransferase (SHMT1) degradation via the 26S proteasome pathway. In the present study, we found that NS3 protein encoded by rice stripe virus could competitively bind to the MEL substrate recognition site, thereby inhibiting MEL interacting with and ubiquitinating SHMT1. This, in turn, leads to the accumulation of SHMT1 and the repression of downstream plant defence responses, including reactive oxygen species accumulation, mitogen-activated protein kinase pathway activation, and the up-regulation of disease-related gene expression. Our findings shed light on the ongoing arms race between pathogens and demonstrate how a plant virus can counteract the plant defence response.
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Affiliation(s)
- Kun Wang
- State Key Laboratory of Rice Biology, College of Agriculture and BiotechnologyZhejiang UniversityHangzhouChina
| | - Shuai Fu
- State Key Laboratory of Rice Biology, College of Agriculture and BiotechnologyZhejiang UniversityHangzhouChina
- State Key Laboratory for Biology of Plant Diseases and Insect PestsInstitute of Plant Protection, Chinese Academy of Agricultural SciencesBeijingChina
| | - Liang Wu
- State Key Laboratory of Rice Biology, College of Agriculture and BiotechnologyZhejiang UniversityHangzhouChina
| | - Jianxiang Wu
- State Key Laboratory of Rice Biology, College of Agriculture and BiotechnologyZhejiang UniversityHangzhouChina
| | - Yaqin Wang
- State Key Laboratory of Rice Biology, College of Agriculture and BiotechnologyZhejiang UniversityHangzhouChina
| | - Yi Xu
- Department of Plant Pathology, College of Plant ProtectionNanjing Agricultural UniversityNanjingChina
| | - Xueping Zhou
- State Key Laboratory of Rice Biology, College of Agriculture and BiotechnologyZhejiang UniversityHangzhouChina
- State Key Laboratory for Biology of Plant Diseases and Insect PestsInstitute of Plant Protection, Chinese Academy of Agricultural SciencesBeijingChina
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47
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Hazra A, Ghosh S, Naskar S, Rahaman P, Roy C, Kundu A, Chaudhuri RK, Chakraborti D. Global transcriptome analysis reveals fungal disease responsive core gene regulatory landscape in tea. Sci Rep 2023; 13:17186. [PMID: 37821523 PMCID: PMC10567763 DOI: 10.1038/s41598-023-44163-x] [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: 03/22/2023] [Accepted: 10/04/2023] [Indexed: 10/13/2023] Open
Abstract
Fungal infections are the inevitable limiting factor for productivity of tea. Transcriptome reprogramming recruits multiple regulatory pathways during pathogen infection. A comprehensive meta-analysis was performed utilizing previously reported, well-replicated transcriptomic datasets from seven fungal diseases of tea. The study identified a cumulative set of 18,517 differentially expressed genes (DEGs) in tea, implicated in several functional clusters, including the MAPK signaling pathway, transcriptional regulation, and the biosynthesis of phenylpropanoids. Gene set enrichment analyses under each pathogen stress elucidated that DEGs were involved in ethylene metabolism, secondary metabolism, receptor kinase activity, and various reactive oxygen species detoxification enzyme activities. Expressional fold change of combined datasets highlighting 2258 meta-DEGs shared a common transcriptomic response upon fungal stress in tea. Pervasive duplication events caused biotic stress-responsive core DEGs to appear in multiple copies throughout the tea genome. The co-expression network of meta-DEGs in multiple modules demonstrated the coordination of appropriate pathways, most of which involved cell wall organization. The functional coordination was controlled by a number of hub genes and miRNAs, leading to pathogenic resistance or susceptibility. This first-of-its-kind meta-analysis of host-pathogen interaction generated consensus candidate loci as molecular signatures, which can be associated with future resistance breeding programs in tea.
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Affiliation(s)
- Anjan Hazra
- Department of Genetics, University of Calcutta, 35, Ballygunge Circular Road, Kolkata, 700019, India
| | - Sanatan Ghosh
- Department of Genetics, University of Calcutta, 35, Ballygunge Circular Road, Kolkata, 700019, India
| | - Sudipta Naskar
- Department of Genetics, University of Calcutta, 35, Ballygunge Circular Road, Kolkata, 700019, India
| | - Piya Rahaman
- Department of Genetics, University of Calcutta, 35, Ballygunge Circular Road, Kolkata, 700019, India
| | - Chitralekha Roy
- Department of Genetics, University of Calcutta, 35, Ballygunge Circular Road, Kolkata, 700019, India
| | - Anirban Kundu
- Plant Genomics and Bioinformatics Laboratory, P.G. Department of Botany, Ramakrishna Mission Vivekananda Centenary College (Autonomous), Rahara, Kolkata, 700118, India
| | | | - Dipankar Chakraborti
- Department of Genetics, University of Calcutta, 35, Ballygunge Circular Road, Kolkata, 700019, India.
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48
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Shao Q, Fu F, Zhu P, Xu M, Wang J, Wang Z, Yan Y, Wang H, Ma J, Cheng Y, Sun J. Pigeon TBK1 is involved in antiviral innate immunity by mediating IFN activation. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2023; 147:104758. [PMID: 37307868 DOI: 10.1016/j.dci.2023.104758] [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: 03/13/2023] [Revised: 05/13/2023] [Accepted: 06/09/2023] [Indexed: 06/14/2023]
Abstract
TANK-binding kinase 1 (TBK1), a noncanonical member of the inhibitor-kappaB kinases (IKKs) family, plays a vital role in regulating type-I interferon (IFN) production in mammals and birds. We cloned pigeon TBK1 (PiTBK1) and conducted bioinformatics analyses to compare the protein homology of TBK1 from different species. Overexpression of PiTBK1 in DF-1 cells induced the activation of IFN-β, and this activation positively correlated with the dosage of transfected PiTBK1 plasmids. In pigeon embryonic fibroblasts (PEFs) cells, it does the same. And the STK and Ubl domain are essential for IFN-β activation. Consistent with the previous results, when PiTBK1 expressed more, NDV replication was lower. Our results suggest that PiTBK1 is an important regulator of IFNs and plays a pivotal role in antiviral innate immunity in pigeon.
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Affiliation(s)
- Qi Shao
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai Key Laboratory of Veterinary Biotechnology, Agriculture Ministry Key Laboratory of Urban Agriculture (South), Shanghai, 200240, China
| | - Feiyu Fu
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai Key Laboratory of Veterinary Biotechnology, Agriculture Ministry Key Laboratory of Urban Agriculture (South), Shanghai, 200240, China
| | - Pei Zhu
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai Key Laboratory of Veterinary Biotechnology, Agriculture Ministry Key Laboratory of Urban Agriculture (South), Shanghai, 200240, China
| | - Minzhi Xu
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai Key Laboratory of Veterinary Biotechnology, Agriculture Ministry Key Laboratory of Urban Agriculture (South), Shanghai, 200240, China
| | - Jie Wang
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai Key Laboratory of Veterinary Biotechnology, Agriculture Ministry Key Laboratory of Urban Agriculture (South), Shanghai, 200240, China
| | - Zhaofei Wang
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai Key Laboratory of Veterinary Biotechnology, Agriculture Ministry Key Laboratory of Urban Agriculture (South), Shanghai, 200240, China
| | - Yaxian Yan
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai Key Laboratory of Veterinary Biotechnology, Agriculture Ministry Key Laboratory of Urban Agriculture (South), Shanghai, 200240, China
| | - Hengan Wang
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai Key Laboratory of Veterinary Biotechnology, Agriculture Ministry Key Laboratory of Urban Agriculture (South), Shanghai, 200240, China
| | - Jingjiao Ma
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai Key Laboratory of Veterinary Biotechnology, Agriculture Ministry Key Laboratory of Urban Agriculture (South), Shanghai, 200240, China
| | - Yuqiang Cheng
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai Key Laboratory of Veterinary Biotechnology, Agriculture Ministry Key Laboratory of Urban Agriculture (South), Shanghai, 200240, China.
| | - Jianhe Sun
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai Key Laboratory of Veterinary Biotechnology, Agriculture Ministry Key Laboratory of Urban Agriculture (South), Shanghai, 200240, China.
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Guo T, Bao R, Yang Z, Fu X, Hu L, Wang N, Liu C, Ma F. The m 6 A reader MhYTP2 negatively modulates apple Glomerella leaf spot resistance by binding to and degrading MdRGA2L mRNA. MOLECULAR PLANT PATHOLOGY 2023; 24:1287-1299. [PMID: 37366340 PMCID: PMC10502827 DOI: 10.1111/mpp.13370] [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: 02/11/2023] [Revised: 06/04/2023] [Accepted: 06/08/2023] [Indexed: 06/28/2023]
Abstract
Glomerella leaf spot (GLS), caused by the fungal pathogen Colletotrichum fructicola, significantly threatens apple production. Some resistances to plant disease are mediated by the accumulation of nucleotide-binding site and leucine-rich repeat (NBS-LRR) proteins that are encoded by a major class of plant disease resistance genes (R genes). However, the R genes that confer resistance to GLS in apple remain largely unclear. Malus hupehensis YT521-B homology domain-containing protein 2 (MhYTP2) was identified as an N6 -methyladenosine RNA methylation (m6 A) modified RNA reader in our previous study. However, whether MhYTP2 binds to mRNAs without m6 A RNA modifications remains unknown. In this study, we discovered that MhYTP2 exerts both m6 A-dependent and -independent functions by analysing previously obtained RNA immunoprecipitation sequencing results. The overexpression of MhYTP2 significantly reduced the resistance of apple to GLS and down-regulated the transcript levels of some R genes whose transcripts do not contain m6 A modifications. Further analysis indicated that MhYTP2 binds to and reduces the stability of MdRGA2L mRNA. MdRGA2L positively regulates resistance to GLS by activating salicylic acid signalling. Our findings revealed that MhYTP2 plays an essential role in the regulation of resistance to GLS and identified a promising R gene, MdRGA2L, for use in developing apple cultivars with GLS resistance.
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Affiliation(s)
- Tianli Guo
- State Key Laboratory of Crop Stress Biology for Arid Areas/Shaanxi Key Laboratory of AppleCollege of Horticulture, Northwest A&F UniversityYanglingChina
| | - Ru Bao
- State Key Laboratory of Crop Stress Biology for Arid Areas/Shaanxi Key Laboratory of AppleCollege of Horticulture, Northwest A&F UniversityYanglingChina
| | - Zehua Yang
- State Key Laboratory of Crop Stress Biology for Arid Areas/Shaanxi Key Laboratory of AppleCollege of Horticulture, Northwest A&F UniversityYanglingChina
| | - Xiaomin Fu
- State Key Laboratory of Crop Stress Biology for Arid Areas/Shaanxi Key Laboratory of AppleCollege of Horticulture, Northwest A&F UniversityYanglingChina
| | - Liu Hu
- State Key Laboratory of Crop Stress Biology for Arid Areas/Shaanxi Key Laboratory of AppleCollege of Horticulture, Northwest A&F UniversityYanglingChina
| | - Na Wang
- State Key Laboratory of Crop Stress Biology for Arid Areas/Shaanxi Key Laboratory of AppleCollege of Horticulture, Northwest A&F UniversityYanglingChina
| | - Changhai Liu
- State Key Laboratory of Crop Stress Biology for Arid Areas/Shaanxi Key Laboratory of AppleCollege of Horticulture, Northwest A&F UniversityYanglingChina
| | - Fengwang Ma
- State Key Laboratory of Crop Stress Biology for Arid Areas/Shaanxi Key Laboratory of AppleCollege of Horticulture, Northwest A&F UniversityYanglingChina
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50
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Ma H, Feng Y, Cao Q, Jia J, Ali M, Shah D, Meyers BC, He H, Zhang Y. Evolution of antimicrobial cysteine-rich peptides in plants. PLANT CELL REPORTS 2023; 42:1517-1527. [PMID: 37378705 DOI: 10.1007/s00299-023-03044-3] [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: 02/20/2023] [Accepted: 06/20/2023] [Indexed: 06/29/2023]
Abstract
KEY MESSAGE We analyzed the evolutionary pattern of cysteine-rich peptides (CRPs) to infer the relationship between CRP copy number and plant ecotype, and the origin of bi-domains CRPs. Plants produce cysteine-rich peptides (CRPs) that have long-lasting broad-spectrum antimicrobial activity to protect themselves from various groups of pathogens. We analyzed 240 plant genomes, ranging from algae to eudicots, and discovered that CRPs are widely distributed in plants. Our comparative genomics results revealed that CRP genes have been amplified through both whole genome and local tandem duplication. The copy number of these genes varied significantly across lineages and was associated with the plant ecotype. This may be due to their resistance to changing pathogenic environments. The conserved and lineage-specific CRP families contribute to diverse antimicrobial activities. Furthermore, we investigated the unique bi-domain CRPs that result from unequal crossover events. Our findings provide a unique evolutionary perspective on CRPs and insights into their antimicrobial and symbiosis characteristics.
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Affiliation(s)
- Huizhen Ma
- Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, 518124, China
- State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, Kaifeng, 475004, China
- Shenzhen Research Institute of Henan University, Shenzhen, 518000, China
| | - Yong Feng
- Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, 518124, China
| | - Qianqian Cao
- Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, 518124, China
- State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, Kaifeng, 475004, China
- Shenzhen Research Institute of Henan University, Shenzhen, 518000, China
| | - Jing Jia
- Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, 518124, China
- State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, Kaifeng, 475004, China
- Shenzhen Research Institute of Henan University, Shenzhen, 518000, China
| | - Muhammad Ali
- School of Agriculture, Sun Yat-Sen University, Shenzhen, 518107, China
| | - Dilip Shah
- Donald Danforth Plant Science Center, Saint Louis, MI, 63132, USA
| | - Blake C Meyers
- Donald Danforth Plant Science Center, Saint Louis, MI, 63132, USA
- Division of Plant Science and Technology, University of Missouri, Columbia, MO, 65211, USA
| | - Hai He
- School of Agriculture, Sun Yat-Sen University, Shenzhen, 518107, China.
| | - Yu Zhang
- School of Agriculture, Sun Yat-Sen University, Shenzhen, 518107, China.
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