Seed germination is a complex trait regulated by multiple genes in rice.However,the regulators of rice seed germination have yet to be sufficiently determined.Here,a quantitative trait locus(QTL)for rice seed germinat...Seed germination is a complex trait regulated by multiple genes in rice.However,the regulators of rice seed germination have yet to be sufficiently determined.Here,a quantitative trait locus(QTL)for rice seed germination was identified in a genome-wide association study.The candidate gene JASMONATE ZIM-DOMAIN 5(OsJAZ5)of the QTL was verified that positively regulates seed germination.OsJAZ5 regulation of seed germination involves an OsABI3-mediated abscisic acid pathway.Overexpression of OsJAZ5 facilitated seed germination.The application of OsJAZ5 might be useful for increasing seed germination for rice direct seeding.展开更多
Jasmonate ZIM-domain(JAZ)proteins are plant-specifc transcriptional repressors that serve as core negative regulators of the jasmonic acid(JA)signaling pathway.These proteins play critical roles in diverse aspects of ...Jasmonate ZIM-domain(JAZ)proteins are plant-specifc transcriptional repressors that serve as core negative regulators of the jasmonic acid(JA)signaling pathway.These proteins play critical roles in diverse aspects of plant growth,development,and stress responses.In this review,we summarize recent advances in understanding the functions of JAZ proteins in fruit ripening,quality formation,and responses to biotic and abiotic stresses.Recent studies have demonstrated that JAZ proteins play pivotal roles in key fruit quality traits,including pigmentation,softening,sugar-acid accumulation,secondary metabolism,and defense mechanisms.Furthermore,JAZ proteins act as central hubs mediating crosstalk between JA and other phytohormones,such as abscisic acid,indole-3-acetic acid,and gibberellic acid,thereby orchestrating the regulation of fruit development and quality.These mechanistic insights provide a comprehensive framework and novel perspectives for further exploration of JAZ functions in fruit biology.展开更多
The jasmonate ZIM-domain(JAZ)family of proteins serves as co-receptors and transcriptional repressors of jasmonic acid(JA)in plants.Their functional diversity and multiple roles make them important components of the r...The jasmonate ZIM-domain(JAZ)family of proteins serves as co-receptors and transcriptional repressors of jasmonic acid(JA)in plants.Their functional diversity and multiple roles make them important components of the regulatory network of JA and other hormonal signaling pathways.In this review,we provide an overview of the latest findings on JAZ family proteins and emphasize their roles in plant growth and development,and response to biotic and abiotic stress,along with their underlying mechanisms.Moreover,existing challenges and future applications are outlined with the aim of offering a reference for further research on JAZ proteins in the context of plant physiology.展开更多
基金supported by the Hainan Province Science and Technology Special Fund,China(ZDYF2023XDNY086)the Project of Sanya Yazhou Bay Science and Technology City,China(SCKJ-JYRC-2022-87)+1 种基金the Natural Science Foundation of Guangdong Province,China(2023A1515012052,2023A1515012092)the Science and Technology Project of Guangzhou,China(2023A04J0749,2023A04J1452).
文摘Seed germination is a complex trait regulated by multiple genes in rice.However,the regulators of rice seed germination have yet to be sufficiently determined.Here,a quantitative trait locus(QTL)for rice seed germination was identified in a genome-wide association study.The candidate gene JASMONATE ZIM-DOMAIN 5(OsJAZ5)of the QTL was verified that positively regulates seed germination.OsJAZ5 regulation of seed germination involves an OsABI3-mediated abscisic acid pathway.Overexpression of OsJAZ5 facilitated seed germination.The application of OsJAZ5 might be useful for increasing seed germination for rice direct seeding.
基金supported by the National Natural Science Foundation of China(No.32402484)the China Postdoctoral Science Foundation(No.2023M733791)+1 种基金the Director’s Fund of the Institute of Forestry and Pomology,Beijing Academy of Agriculture and Forestry Sciences,China(No.LGSSZJJ20250102)the Scientifc Research and Innovation Platform Construction Project of the Beijing Academy of Agriculture and Forestry Sciences,China(No.PT2025-10).
文摘Jasmonate ZIM-domain(JAZ)proteins are plant-specifc transcriptional repressors that serve as core negative regulators of the jasmonic acid(JA)signaling pathway.These proteins play critical roles in diverse aspects of plant growth,development,and stress responses.In this review,we summarize recent advances in understanding the functions of JAZ proteins in fruit ripening,quality formation,and responses to biotic and abiotic stresses.Recent studies have demonstrated that JAZ proteins play pivotal roles in key fruit quality traits,including pigmentation,softening,sugar-acid accumulation,secondary metabolism,and defense mechanisms.Furthermore,JAZ proteins act as central hubs mediating crosstalk between JA and other phytohormones,such as abscisic acid,indole-3-acetic acid,and gibberellic acid,thereby orchestrating the regulation of fruit development and quality.These mechanistic insights provide a comprehensive framework and novel perspectives for further exploration of JAZ functions in fruit biology.
基金funded by the National Natural Science Foundation of China (32372156,32201838,32272157)the Natural Science Foundation of Guangdong Province (2024A1515011084,2023A1515012052,2023A1515012092)the Science and Technology Project of Guangzhou (2023A04J0749,2023A04J1452).
文摘The jasmonate ZIM-domain(JAZ)family of proteins serves as co-receptors and transcriptional repressors of jasmonic acid(JA)in plants.Their functional diversity and multiple roles make them important components of the regulatory network of JA and other hormonal signaling pathways.In this review,we provide an overview of the latest findings on JAZ family proteins and emphasize their roles in plant growth and development,and response to biotic and abiotic stress,along with their underlying mechanisms.Moreover,existing challenges and future applications are outlined with the aim of offering a reference for further research on JAZ proteins in the context of plant physiology.
