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Author Christian A. Ross Yue Liu Qingxi J. Shen
Title The WRKY Gene Family in Rice (Oryza sativa)
Abstract:
WRKY genes encode transcription factors that are involved in the regulation of various biological processes. These zinc-finger proteins, especially those members mediating stress responses, are uniquely expanded in plants. To facilitate the study of the evolutionary history and functions of this supergene family, we performed an exhaustive search for WRKY genes using HMMER and a Hidden Markov Model that was specifically trained for rice. This work resulted in a comprehensive list of WRKY gene models in Oryza sativa L. ssp. indica and L. ssp. japonica. Mapping of these genes to individual chromosomes facilitated elimination of the redundant, leading to the identification of 98 WRKY genes in japonica and 102 in indica rice. These genes were further categorized according to the number and structure of their zinc-finger domains. Based on a phylogenetic tree of the conserved WRKY domains and the graphic display of WRKY loci on corresponding indica and japonica chromosomes, we identified possible WRKY gene duplications within, and losses between the two closely related rice subspecies. Also reviewed are the roles of WRKY genes in disease resistance and responses to salicylic acid and jasmonic acid, seed development and germination mediated by gibberellins, other developmental processes including senescence, and responses to abiotic stresses and abscisic acid in rice and other plants. The signaling pathways mediating WRKY gene expression are also discussed.
Journal Journal of integrative plant biology
Country USA
Volume 49(6)
Pages 827-842
Year 2007
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Relation
Gene SGSD3 WRKY1 WRKY10 WRKY102 WRKY104 WRKY107 WRKY108 WRKY109 WRKY11 WRKY111 WRKY112 WRKY113 WRKY114 WRKY115 WRKY116 WRKY12 WRKY121 WRKY123 WRKY124 WRKY125 WRKY13 WRKY14 WRKY15 WRKY16 WRKY17 WRKY19 WRKY2 WRKY20 WRKY21 WRKY22 WRKY23 WRKY24 WRKY25 WRKY26 WRKY27 WRKY28 WRKY29 WRKY3 WRKY30 WRKY31 WRKY32 WRKY34 WRKY35 WRKY37 WRKY39 WRKY4 WRKY40 WRKY41 WRKY42 WRKY43 WRKY45 WRKY46 WRKY47 WRKY48 WRKY49 WRKY5 WRKY50 WRKY51 WRKY52 WRKY53 WRKY54 WRKY55 WRKY57 WRKY58 WRKY6 WRKY60 WRKY61 WRKY62 WRKY64 WRKY65 WRKY66 WRKY67 WRKY68 WRKY69 WRKY7 WRKY70 WRKY71 WRKY72 WRKY73 WRKY74 WRKY75 WRKY76 WRKY77 WRKY79 WRKY8 WRKY80 WRKY81 WRKY82 WRKY84 WRKY87 WRKY88 WRKY89 WRKY9 WRKY90 WRKY94 WRKY95 WRKY96 WRKY97
INSD -
Strain Wild Core Collection -
Induced Mutation Lines(NIG Collection) -
Sterile Seed Strain -
Lethal Embryo
Mutantion Strain
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Stages in Each Organ
- Muant Lines (Gene)
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Cultivated Varieties(NIG Collection) -
Stages in Each Organ -
/rice/oryzabase