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A wrky transcription factor confers aluminum tolerance via regulation of cell wall modifying genes

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Journal of Integrative Plant Biology 2020年第8期62卷 1176-1192页

作者： Chun Xiao Li Jing Ying Yan Jiang Yuan Ren Li Sun Chen Xu Gui Xin Li Zhong Jie Ding Shao Jian Zheng State Key Laboratory of Plant Physiology and Biochemistry College of Life SciencesZhejiang UniversityHangzhou 310058China Agricultural Experiment Station Zhejiang UniversityHangzhou 310058China College of Agronomy and Biotechnology Zhejiang UniversityHangzhou 310058China

Modification of cell wall properties has been considered as one of the determinants that confer aluminum(Al)tolerance in plants,while how cell wall modifying processes are regulated remains ***,we present a wrky transcription factor wrky47 involved in Al tolerance and root *** of wrky47 significantly reduces,while overexpression of it increases Al *** show that lack of wrky47 substantially affects subcellular Al distribution in the root,with Al content decreased in apoplast and increased in symplast,which is attributed to the reduced cell wall Al-binding capacity conferred by the decreased content of hemicellulose I in the wrky47-1 *** on microarray,real time-quantitative polymerase chain reaction and chromatin immunoprecipitation assays,we further show that wrky47 directly regulates the expression of EXTENSIN-LIKE PROTEIN(ELP)and XYLOGLUCAN ENDOTRANSGLUCOSYLASE-HYDROLASES17(XTH17)responsible for cell wall *** the expression of ELP and XTH17 rescued Al tolerance as well as root growth in wrky47-1 *** summary,our results demonstrate that wrky47 is required for root growth under both normal and Al stress conditions via direct regulation of cell wall modification genes,and that the balance of Al distribution between root apoplast and symplast conferred by wrky47 is important for Al tolerance.

关键词： distribution wrky tolerance

The cotton wrky transcription factor Ghwrky70 negatively regulates the defense response against Verticillium dahliae

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The Crop Journal 2019年第3期7卷 393-402页

作者： Xianpeng Xiong Shichao Sun Yanjun Li Xinyu Zhang Jie Sun Fei Xue Key Laboratory of Oasis Eco-agriculture College of Agriculture Shihezi University

wrky transcription factors (TFs) play important roles in the regulation of biotic and abiotic stresses. However, the functions of most wrky TFs in upland cotton (Gossypium hirsutum) are still unknown. In this study, we functionally identified a group Ⅲ wrky transcription factor, Ghwrky70, in upland cotton. Reverse transcription-quantitative PCR analysis showed that Ghwrky70 expression was induced by Verticillium dahliae, salicylic acid (SA) and methyl jasmonate. Virus-induced gene silencing of Ghwrky70 increased the resistance of cotton to V. dahliae. Specifically, jasmonic acid (JA) response-associated genes were upregulated and SA-related genes were downregulated in Ghwrky70-silenced cotton plants. Overexpression of Ghwrky70 reduced tolerance to V. dahliae in Arabidopsis thaliana. Transgenic Arabidopsis plants showed increased expression of SA-associated genes and reduced expression of JA response-associated genes. These results suggest that Ghwrky70 negatively regulates tolerance to V. dahliae in at least two ways: (ⅰ) by upregulating the expression of SA-associated genes and (ⅱ) by reducing the expression of JA-associated genes.

关键词： wrky transcription factors Gossypium hirsutum Verticillium dahliae SA JA

Expansion and adaptive evolution of the wrky transcription factor family in Avicennia mangrove trees

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Marine Life Science & Technology 2023年第2期5卷 155-168页

作者： Xiao Feng Guohong Li Weihong Wu Haomin Lyu Jiexin Wang Cong Liu Cairong Zhong Suhua Shi Ziwen He State Key Laboratory of Biocontrol Guangdong Key Laboratory of Plant ResourcesSchool of Life SciencesSouthern Marine Science and Engineering Guangdong Laboratory(Zhuhai)Sun Yat-sen UniversityGuangzhou 510275China Greater Bay Area Institute of Precision Medicine(Guangzhou) Fudan UniversityGuangzhou 511458China Hainan Academy of Forestry(Hainan Academy of Mangrove) Haikou 571100China

Mangroves are adapted to intertidal zones,which present extreme environmental *** are among the most prominent transcription factors(TFs)in higher plants and act through various interconnected networks to regulate responses to multiple abiotic ***,based on omic data,we investigated the landscape and evolutionary patterns of wrkys in the main mangrove genus *** found that both the number and the proportion of TFs and wrkys in Avicennia species exceeded their inland relatives,indicating a signifcant expansion of wrkys in *** identifed 109 wrky genes in the representative species Avicennia *** genomic analysis showed that two recent wholegenome duplication(WGD)events played a critical role in the expansion of wrkys,and 88%of Avicennia marina wrkys(Amwrkys)have been retained following these *** comparative transcriptomics on roots under experimental salt gradients,we inferred that there is high divergence in the expression of WGD-retained ***,we found that the expression of 16 Amwrkys was stable between freshwater and moderately saline water but increased when the trees were exposed to high *** particular,14 duplicates were retained following the two recent WGD events,indicating potential neo-and *** also found that wrkys could interact with other upregulated genes involved in signalling pathways and natural antioxidant biosynthesis to enhance salt tolerance,contributing to the adaptation to intertidal *** omic data of the wrky family in *** broadens the understanding of how a TF family relates to the adaptive evolution of mangroves.

关键词： Adaptation Avicennia Mangrove Transcription factor Whole-genome duplication wrky

wrky transcription factors: links between phytohormones and plant processes

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Science China(Life Sciences) 2015年第5期58卷 501-502页

作者： JIANG YanJuan YU DiQiu Key Laboratory of Tropical Forest Ecology Xishuangbanna Tropical Botanical Garden Chinese Academy of Sciences

wrky transcription factors, signaling webs that modulate which form integral parts of many plant processes, are one of the largest families of transcriptional regulators in plants. More and more findings demonstrate that wrky transcription factors function as repressors as well as activators, and play roles in both the repression and derepression of important plant processes. Furthermore, a single wrky transcription factor might be involved in regulating several disparate processes. Recent investigation displayed that wrky proteins function via interactions with a diverse protein partners, especially the important proteins related to the phytohormone signaling pathways, including JAZs, DELLAs, and IAAs. These illustrate that there might be a complex regulation networks between wrky transcription factors and the phytohormone signaling pathways.

关键词：植物激素 wrky 转录因子信号传导途径蛋白质组成部分信号调节转录调节

Identification and expression analysis of group Ⅲ wrky transcription factors in cotton

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Journal of Integrative Agriculture 2016年第11期15卷 2469-2480页

作者： DOU Ling-ling GUO Ya-ning Ondati Evans PANG Chao-you WEI Heng-ling SONG Mei-zhen FAN Shu-li YU Shu-xun College of Agronomy Northwest A & F University State Key Laboratory of Cotton Biology/Institute of Cotton Research Chinese Academy of Agricultural Siences

The wrky proteins constitute a large family of transcription factors in plants containing highly conserved wrkyGQK sequences and zinc-finger-like motifs. To comprehensively study wrky III genes in cotton, we analyzed the genome sequences of Gossypium hirsutum, G. raimondii and G. arboreum. According to the three genome sequences, 18 group III Gh wrky genes were identified in G. hirsutum, 12 both in G. raimondii and G. arboreum. Phylogenetic and motif analysis showed that proteins with high similarities could be clustered together and had the same motif components. The ratios of non-synonymous（Ka） to synonymous（Ks） of the Gh wrky to Gr wrky or Ga wrky were lower than 1, which indicated that group III wrky genes in Gossypium species are under purifying selection. Expression analysis revealed that group III Gh wrky genes expressed during fiber development and leaf senescence, and most of them could be induced by salicylic acid（SA）, jasmonic acid（JA）, ethylene, abscisic acid（ABA）, mannitol, and Na Cl both in roots and cotyledons. Our study gives a briefly introduction on cotton group III wrky genes and implicates their potential function in cotton fiber development, leaf senescence and abiotic stresses.

关键词： Gossypium wrky phylogenetic analysis expression analysis development abiotic stress

NMR assignments and characterization of the DNA-binding domain of Arabidopsis transcription factor wrky11--Dedicated to Professor Xiuwen Han on the occasion of her 80th birthday

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Magnetic Resonance Letters 2021年第2期1卷 112-120页

作者： Jiannan Wang Yaling Lin Qinjun Zhu Jingfeng Zhang Maili Liu Yunfei Hu State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics Wuhan National Laboratory for OptoelectronicsNational Center for Magnetic Resonance in WuhanKey Laboratory of Magnetic Resonance in Biological SystemsInnovation Academy for Precision Measurement Science and TechnologyChinese Academy of SciencesWuhan430071China University of Chinese Academy of Sciences Beijing100049China

The wrky proteins are a family of plant-specific transcription factors(TFs)that are widely involved in plant development and anti-stress *** wrky11(Atwrky11)functions in regulating plant defense against abiotic stress and belongs to the Ild subgroup of wrky *** herein report the expres sion,purification and preliminary structural characterization of Atwrky11 DNA-binding domain(DBD)using solution NMR Almost complete backbone chemical shift assignments of Atwrky11-DBD have been *** shift-based secondary structure analysis suggests that Atwrky11-DBD may exhibit local conformational diferences from the X-ray structure of the C-terminal wrky domain of Atwrky1,particularly in the β1 and β5 *** current study provides the basis for further structural and interactional studies.

关键词： Transcription factor wrky DNA-Binding domain W-box Nuclear magnetic resonance(NMR) Protein-DNA interaction

Genome-wide analysis of wrky gene family in Arabidopsis lyrata and comparison with Arabidopsis thaliana and Populus trichocarpa

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Chinese Science Bulletin 2014年第8期59卷 754-765页

作者： Yu Song Jie Gao Key Laboratory of Tropical Forest Ecology Xishuangbanna Tropical Botanical Garden Chinese Academy of Sciences Mengla Graduate School of the Chinese Academy of Sciences

wrky transcription factors are important molecules in regulating plant development and ***,the sequenced Arabidopsis lyrata genome allows us to characterize the number and structure of wrky genes in this species.A total of 71 Alwrky factors were classified into the previously defined polyphyletic wrky groups I to *** exon/intron structure and motif compositions of wrkys were highly conserved in each group,but tended to be different between groups and *** wrky family has a set of genes similar to that in ***,but in Populus trichocarpa this family has expanded significantly,except for the subgroup III *** duplication and gene conversion events have played important roles during the evolution of the wrky gene family in the three ***,the gene expansion events differentiated in wrky subgroups during the evolution,and we have detected positive selection in several sites of the group III *** addition,this subgroup was the most structurally diversified in the wrky *** study demonstrated that the group III members of wrky gene families in ***,***,and *** have experienced different selection pressure during the process of evolution and this may have played a vital role in plant adaptation.

关键词：基因家族 wrky 基因组分析拟南芥植物生长发育和毛子结构转录因子

Grapevine wrky transcription factors

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Fruit Research 2022年第1期2卷 94-101页

作者： Wei Wu Peining Fu Jiang Lu Center for Viticulture and Enology School of Agriculture and BiologyShanghai Jiao Tong UniversityShanghai 200240China

Grape is one of the most economically important fruits and is cultivated worldwide,but the viticulture faces challenges of various biotic and abiotic *** transcription factors play important roles in regulating plant responses to these stresses,in addition to their roles in plant ***-wide identification and functional analysis of grape wrky family genes have been conducted in recent ***,different approaches were found in naming the grape wrky family gene members among these reports,which causes a great deal of confusion and has become a barrier in the sharing of research findings in the research *** we attempt to comprehensively review the research progress on grape wrky family transcription factors,and attempt to assign unified names for them.

关键词： wrky culture unified

Genome-wide analysis of the wrky transcription factor gene family in Gossypium raimondii and the expression of orthologs in cultivated tetraploid cotton

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The Crop Journal 2014年第Z1期2卷 87-101页

作者： Caiping Cai Erli Niu Hao Du Liang Zhao Yue Feng Wangzhen Guo State Key Laboratory of Crop Genetics & Germplasm Enhancement Hybrid Cotton R&D Engineering Research CenterMOENanjing Agricultural University

wrky proteins are members of a family of transcription factors in higher plants that function in plant responses to various physiological *** identified 120 candidate wrky genes from Gossypium raimondii with corresponding expressed sequence tags in at least one of four cotton species,Gossypium hirsutum,Gossypium barbadense,Gossypium arboreum,and *** wrky members were anchored on 13 chromosomes in *** with uneven *** analysis showed that wrky candidate genes can be classified into three groups,with 20 members in group I,88 in group II,and 12 in group ***88 genes in group II were further classified into five subgroups,groups IIa–e,containing 7,16,37,15,and 13 members,*** characterized diversity in amino acid residues in the wrky domain and/or other zinc finger motif regions in the wrky *** expression patterns of wrky genes revealed their important roles in diverse functions in cotton developmental stages of vegetative and reproductive growth and stress *** and expression analyses show that wrky proteins are a class of important regulators of growth and development and play key roles in response to stresses in cotton.

关键词： Expression pattern Gossypium Phylogenetic relationship Stress wrky transcription factors