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The MYC2-PUB22-JAZ4 module plays a crucial role in jasmonate signaling in tomato

Molecular Plant 2024年第4期17卷 598-613页

作者： Shaofang Wu Chaoyi Hu Changan Zhu Yanfen Fan Jie Zhou Xiaojia Xia Kai Shi Yanhong Zhou Christine H.Foyer jingquan yu Department of Horticulture Zijingang CampusZhejiang UniversityHangzhou 310058China Hainan Institute Zhejiang UniversityYazhou Bay Science and Technology CitySanya 572025China College of Horticulture Northwest Agriculture&Forestry UniversityXianyang 712100China School of Biosciences College of Life and Environmental SciencesUniversity of BirminghamEdgbaston B152TTUK Key Laboratory of Horticultural Plants Growth and Development Agricultural Ministry of ChinaZhejiang UniversityHangzhou 310058China

Jasmonates(JAs),a class of lipid-derived stress hormones,play a crucial role across an array of plant physiological processes and stress *** JA signaling is thought to rely predominantly on the degradation of specific JAZ proteins by SCF^(COI1),it remains unclear whether other pathways are involved in the regulation of JAZ protein ***,we report that PUB22,a plant U-box type E3 ubiquitin ligase,plays a critical role in the regulation of plant resistance against Helicoverpa armigera and other JA responses in *** COI1 physically interacts with JAZ1/2/5/7,PUB22 physically interacts with JAZ1/3/4/***22 ubiquitinates JAZ4 to promote its degradation via the 26S proteasome ***,we observed that pub22 mutants showreduced resistance to ***,whereas jaz4 single mutants and jaz1 jaz3 jaz4 jaz6 quadruple mutants have enhanced *** hypersensitivity of pub22 mutants to herbivores could be partially rescued by JAZ4 ***,we found that expression of PUB22 can be transcriptionally activated by MYC2,thus forming a positive feedback circuit in JA *** noticed that the PUB22-JAZ4 module also regulates other JA responses,including defense against ***,inhibition of root elongation,and anthocyanin *** together,these results indicate that PUB22 plays a crucial role in plant growth and defense responses,together with COI1-regulated JA signaling,by targeting specific JAZs.

关键词： PUB22 JAZ COI1 MYC2 JA signaling Solanum lycopersicum

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Degradation of chlorpyrifos in laboratory soil and its impact on soil microbial functional diversity

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Journal of Environmental Sciences 2009年第3期21卷 380-386页

作者： FANG Hua yu yunlong CHU Xiaoqiang WANG Xiuguo YANG Xiaoe yu jingquan Department of Plant Protection College of Agriculture & Biotechnology Zhejiang University Hangzhou 310029 China MOE Key Lab of Environment Remediation & Ecosystem Health College of Environmental and Resource Sciences Zhejiang University Hangzhou 310029 China Department of Horticulture College of Agriculture and Biotechnology Zhejiang University Hangzhou 310029 China

Degradation of chlorpyrifos at different concentrations in soil and its impact on soil microbial functional diversity were investigated under laboratory condition. The degradation half-live of chlorpyrifos at levels of 4, 8, and 12 mg/kg in soil were calculated to be 14.3, 16.7, and 18.0 d, respectively. The Biolog study showed that the average well color development （AWCD） in soils was significantly （P 〈 0.05） inhibited by chlorpyrifos within the first two weeks and thereafter recovered to a similar level as the control. A similar variation in the diversity indices （Simpson index lID and McIntosh index U） was observed, but no significant difference among the values of the Shannon-Wiener index H＇ was found in chlorpyrifos-treated soils. With an increasing chlorpyrifos concentration, the half-life of chlorpyrifos was significantly （P ≤ 0.05） extended and its inhibitory effect on soil microorganisms was aggravated. It is concluded that chlorpyrifos residues in soil had a temporary or short-term inhibitory effect on soil microbial functional diversity.

关键词： Biolog chlorpyrifos community-level physiological profile microbial functional diversity

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The critical role of autophagy in plant responses to abiotic stresses

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Frontiers of Agricultural Science and Engineering 2017年第1期4卷 28-36页

作者： yu WANG Jie ZHOU jingquan yu College of Agriculture and Biotechnology Zhejiang University Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology Key Laboratory of Horticultural Plants Growth Development and Quality Improvement Ministry of Agriculture

Autophagy is an evolutionary conserved recycling process in eukaryotes whereby intracellular components are engulfed by autophagosomes, which are subsequently transferred to the vacuoles for further degradation and reuse. In organisms like yeast and metazoans, autophagy is actively engaged during environmental perturbation either by degrading denatured proteins and organelles or by interfacing with stress related signaling molecules. Studies over the last decade have also revealed numerous important mechanisms where autophagy is widely involved in plant abiotic stress responses. Autophagy serves as a pivotal route for nutrient remobilization by the degradation of superfluous or damaged cellular cytoplasmic material and organelles. It is also reported to regulate the accumulation of reactive oxygen species, to maintain the cellular redox balance of plants under stressful conditions. Furthermore, autophagy is essential in regulating cellular toxicity by removing aggregated and/or denatured proteins and thereby improving plant stress tolerance. In this review, recent advances in our understanding of autophagy, along with pathways and regulatory networks through which it influences many aspects of plant growth and development in response to nutrient starvation, oxidative stress, osmotic stress and extreme temperatures are discussed.

关键词： abiotic stresses autophagy extreme temperature nutrient starvation osmotic stress oxidative stress

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Brassinosteroid signaling positively regulates abscisic acid biosynthesis in response to chilling stress in tomato

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Journal of Integrative Plant Biology 2023年第1期65卷 10-24页

作者： Shengmin An yue Liu Kangqi Sang Ting Wang jingquan yu Yanhong Zhou Xiaojian Xia Department of Horticulture Zhejiang University Hangzhou 310058 China Hainan Institute Zhejiang University Sanya 572025 China Key Laboratory of Horticultural Plants Growth Development and Quality ImprovementAgricultural Ministry of ChinaHangzhou 310058 China

Brassinosteroids(BRs)and abscisic acid(ABA)are essential regulators of plant growth and stress *** the antagonistic interaction of BRs and ABA is proposed to ensure the balance between growth and defense in model plants,the crosstalk between BRs and ABA in response to chilling in tomato(Solanum lycopersicum),a warmclimate horticultural crop,is ***,we determined that overexpression of the BR biosynthesis gene DWARF(DWF)or the key BR signaling gene BRASSINAZOLE-RESISTANT1(BZR1)increases ABA levels in response to chilling stress via positively regulating the expression of the ABA biosynthesis gene 9-CIS-EPOXYCAROTENOID DIOXYGENASE1(NCED1).BR-induced chilling tolerance was mostly dependent on ABA *** stress or high BR levels decreased the abundance of BRASSINOSTEROID-INSENSITIVE2(BIN2),a negative regulator of BR ***,we observed that chilling stress increases BR levels and results in the accumulation of ***2negatively regulated both the accumulation of BZR1protein and chilling tolerance by suppressing ABA *** results demonstrate that BR signaling positively regulates chilling tolerance via ABA biosynthesis in *** study has implications in production of warm-climate crops in horticulture.

关键词： ABA BIN2 BZR1 chilling stress NCED

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CHARACTERISTICS OF HERBIVORY/WOUND-ELICITED ELECTRICAL SIGNAL TRANSDUCTION IN TOMATO

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Frontiers of Agricultural Science and Engineering 2021年第2期8卷 292-301页

作者： Chaoyi HU Siqi DUAN Jie ZHOU jingquan yu Department of Horticulture Zijingang CampusZhejiang UniversityHangzhou 310058China Key Laboratory of Horticultural Plant Growth and Development Ministry of Agriculture and Rural Affairs of ChinaHangzhou 310058China.

Electrical signals commonly occur in plants in response to various environmental changes and have a dominant function in plant *** transduction of wound-elicited electrical signals in the model plant spedes Arabidopsis has been characterized but the characteristics of electrical signal transduction in response to herbivory or wounding in crop species remain ***,the features of electrical signals elicited by insect herbivory and wounding in tomato were *** those in Arabidopsis,wounding tomato leaves did not cause leaf-to-leaf electrical signal *** contrast,electrical signals elicited in response to petiole wounding were stronger and more strongly *** wounding also activated electrical signal transduction and jasmonic acid(JA)signaling within the whole compound *** was also demonstrated that tomato glutamate receptor-like 3.3(GLR3.3)and GLR3.5 mediated leaflet-to-leaflet electrical signal ***-induced JA accumulation and Helicoverpa armigera resistance were reduced in glr3.3/3.5 *** work reveals the nature of electrical signal transduction in tomato and emphasizes the key roles of GLR3.3 and GLR3.5 in electrical signal transduction and JA signaling activation.

关键词： electrical signal glutamate receptor-like herbivory jasmonic acid tomato

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Mitochondrial retrograde regulation tuning fork in nuclear genes expressions of higher plants

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Journal of Genetics and Genomics 2008年第2期35卷 65-71页

作者： Jinghua Yang Mingfang Zhang jingquan yu Laboratory of Genetic Resources ＆ Functional Improvement for Horticultural Plants Department of Horticulture Zhejiang University Hangzhou 310029 China Laboratory of Horticultural Plant Growth Development ＆ Biotechnology Ministry ofAgriculture Zhejiang University Hangzhou 310029 China

In plant cells, there are three organelles： the nucleus, chloroplast, and mitochondria that store genetic information. The nucleus possesses the majority of genetic information and controls most aspects of organelles gene expression, growth, and development. In return, organelles also send signals back to regulate nuclear gene expression, a process defmed as retrograde regulation. The best studies of organelles to nucleus retrograde regulation exist in plant chloroplast-to-nuclear regulation and yeast mitochondria-to-nuclear regulation. In this review, we summarize the recent understanding of mitochondrial retrograde regulation in higher plant, which involves multiple potential signaling pathway in relation to cytoplasmic male-sterility, biotic stress, and abiotic stress. With respect to mitochondrial retrograde regulation signal pathways involved in cytoplasmic male-sterility, we consider that nuclear transcriptional factor genes are the targeted genes regulated by mitochondria to determine the abnormal reproductive development, and the MAPK signaling pathway may be involved in this regulation in Brassica juncea. When plants suffer biotic and abiotic stress, plant ceils will initiate cell death or other events directed toward recovering from stress. During this process, we propose that mitochondria may determine how plant cell responds to a given stress through retrograde regulation. Meanwhile, several transducer molecules have also been discussed here. In particular, the Paepe research group reported that leaf mitochondrial modulated whole cell redox homeostasis, set antioxidant capacity, and determined stress resistance through altered signaling and diurnal regulation, which is an indication of plant mitochondria with more active function than ever.

关键词： mitochondrial retrograde regulation cytoplasmic male sterility biotic stress abiotic stress

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Transcriptomic and genetic approaches reveal an essential role of the NAC transcription factor SlNAP1 in the growth and defense response of tomato

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Horticulture Research 2020年第1期7卷 29-39页

作者： Jiao Wang Chenfei Zheng Xiangqi Shao Zhangjian Hu Jianxin Li Ping Wang Anran Wang jingquan yu Kai Shi Department of Horticulture Zhejiang University866 Yuhangtang Road310058 HangzhouPeople’s Republic of China

With global climate change,plants are frequently being exposed to various stresses,such as pathogen attack,drought,and extreme *** factors(TFs)play crucial roles in numerous plant biological processes;however,the functions of many tomato(Solanum lycopersicum L.)TFs that regulate plant responses to multiple stresses are largely ***,using an RNA-seq approach,we identified SlNAP1,a NAC TF-encoding gene,which was strongly induced by various *** generating SlNAP1 transgenic lines and evaluating their responses to biotic and abiotic stresses in tomato,we found that SlNAP1-overexpressing plants showed significantly enhanced defense against two widespread bacterial diseases,leaf speck disease,caused by Pseudomonas syringae ***(Pst)DC3000,and root-borne bacterial wilt disease,caused by Ralstonia *** addition,SlNAP1 overexpression dramatically improved drought tolerance in *** the SlNAP1-overexpressing plants were shorter than the wild-type plants during the early vegetative stage,eventually,their fruit yield increased by 10.7%.Analysis of different hormone contents revealed a reduced level of physiologically active gibberellins(GAs)and an increased level of salicylic acid(SA)and abscisic acid(ABA)in the SlNAP1-overexpressing ***,EMSAs and ChIP-qPCR assays showed that SlNAP1 directly activated the transcription of multiple genes involved in GA deactivation and both SA and ABA *** findings reveal that SlNAP1 is a positive regulator of the tomato defense response against multiple stresses and thus may be a potential breeding target for improving crop yield and stress resistance.

关键词： breeding drought eventually

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HIGHLIGHTS OF THE SPECIAL ISSUE ON"HORTICULTURE RESEARCH FOR GREEN AND SUSTAINABLE DEVELOPMENT"

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Frontiers of Agricultural Science and Engineering 2021年第2期8卷 193-195页

作者： Xiuxin DENG yujin HAO jingquan yu Qixiang ZHANG Zhonghua LIU Key Laboratory of Horticultural Plant Biology(Ministry of Education) Huazhong Agricultural UniversityWuhan 430070China State Key Laboratory of Crop Biology Shandong Collaborative Innovation Center for Fruit and Vegetable Production with High Quality and EfficiencyCollege of Horticultural Science and EngineeringShandong Agricultural UniversityTai'an 271018China Department of Horticulture Zijingang CampusZhejiang UniversityHangzhou 310058China Beijing Advanced Innovation Center for Tree Breeding by Molecular Design Beijing Forestry UniversityBeijing 100083China Key Laboratory of Tea Science of Ministry of Education Hunan Agricultural UniversityChangsha 410000China.

Horticulture is the science and technology of intensively cultivating plants for food,comfort and beautification *** comprises a wide range of plants and crops including fruit and nut trees,vegetables,edible fungi,and ornamental plants,as well as tea plants also categorized as horticultural crops in some countries including *** products are of great value and serve as important dietary sources of antioxidants,vitamins and mineral nutrients for human nutrition and *** of a green and sustainable horticulture,producing more and safer fruit and vegetables,is a prerequisite for meeting the ever-increasing demand of the growing human population.

关键词： culture crops SPEC

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Potassium alleviated high nitrogen-induced apple growth inhibition by regulating photosynthetic nitrogen allocation and enhancing nitrogen utilization capacity

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Horticultural Plant Journal 2024年第1期10卷 1-14页

作者： Xinxiang Xu Guangyuan Liu jingquan Liu Mengxue Lyu Fen Wang yue Xing Hao Meng Min Li yu Jiang Ge Tian Zhanling Zhu yuanmao Jiang Shunfeng Ge State Key Laboratory of Crop Biology College of Horticulture Science and EngineeringShandong Agricultural UniversityTai'anShandong 271018China Key Laboratory of Biochemistry and Molecular Biology in Universities of Shandong College of Biological and Agricultural EngineeringWeifang UniversityWeifangShandong 261061China

There is a close relationship between potassium(K)and nitrogen(N).However,the roles of K under high N conditions remain *** a hydroponics approach,we monitored the morphological,physiological,and molecular changes in M9T337 apple(Malus domestica)rootstocks under different nitrate(10 and 30 mmol·L^(-1)NO_(3)^(-))and K supply(0.5,6,10,and 20 mmol·L_(-1)K^(+))*** revealed that high nitrate inhibited the root growth of M9T337 rootstocks,downregulated the expressions of K transporter genes(MdPT5,MdHKT1,and MdATK1),and reduced the net NO3-and K+influx at the surface of roots,thereby resulting in an N/K imbalance in *** investigation showed that 10 mmol·L^(-1)K increased the activity of N metabolic enzymes(NR,GS,NiR,and GOGAT),upregulated the expressions of genes related to nitrate uptake and transport(MdNRT1.1,MdNRT1.2,MdNRT1.5,and MdNRT2.4),promoted15N transport from the roots to the shoots,optimized leaf N distribution,and improved photosynthetic N utilization efficiency under high nitrate *** results suggest that the negative effects of high nitrate may be related to the N/K imbalance and that reducing N/K in plants by increasing K supply level can effectively alleviate the inhibition of N assimilation by high nitrate stress.

关键词： Apple rootstock K level High nitrate stress N metabolism ^(15)N

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石灰氮在设施园艺中应用研究进展

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北方园艺 2006年第6期 57-59页

作者：王礼喻景权浙江大学园艺系杭州310029

近年来,随着设施农业的发展,类似连作障碍等问题也日益严重。既是肥料,又具杀菌作用的石灰氮的作用开始被重新认识,有关其在农业、特别是设施园艺领域的研究得到迅速开展。现从防治土传病害、改良土壤、提高农产品品质和调节植物生长等... 详细信息

近年来,随着设施农业的发展,类似连作障碍等问题也日益严重。既是肥料,又具杀菌作用的石灰氮的作用开始被重新认识,有关其在农业、特别是设施园艺领域的研究得到迅速开展。现从防治土传病害、改良土壤、提高农产品品质和调节植物生长等方面对目前的研究现状作以介绍,并对目前研究中所存在的问题及应用前景进行探讨。

关键词：石灰氮土传病害改良土壤品质调节生长

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