Os07g0592600

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The rice Os07g0592600 was reported as GH3-8 in 2008 [1] by researchers from China.

Annotated Information

Gene Symbol

  • Os07g0592600 <=> OsGH3-8, OsMGH3, OsGH3.8

Function

  • The rice GH3-8 is an auxin-responsive gene functioning in auxin-dependent development, activates disease resistance in a salicylic acid signaling– and jasmonic acid signaling–independent pathway.
  • Upregulation of GH3-8Enhances Disease Resistance but Causes Abnormal Morphology
  • GH3-8 Is an IAA–Amido Synthetase and Modulates Auxin Homeostasis

Phenotypic analysis

  • Overexpression of GH3-8 results in enhanced disease resistance to the rice pathogen Xanthomonas oryzae pv oryzae. * This resistance is independent of jasmonic acid and salicylic acid signaling. Overexpression of GH3-8 also causes abnormal plant morphology and retarded growth and development.
  • Both enhanced resistance and abnormal development may be caused by inhibition of the expression of expansins via suppressed auxin signaling.

Expression

  • GH3-8 Expression Is Regulated by Multiple Factors
  • The function of GH3-8 is tissue-specific, growth stage–specific, and signal molecule–regulated.

Labs working on this gene

  • National Key Laboratory of Crop Genetic Improvement, National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan 430070, China

References

  1. Ding X, Cao Y, Huang L, Zhao J, Xu C, Li X, Wang S. Activation of the indole-3-acetic acid-amido synthetase GH3-8 suppresses expansin expression and promotes salicylate- and jasmonate-independent basal immunity in rice. Plant Cell. 2008 Jan;20(1):228-40. doi: 10.1105/tpc.107.055657. PubMed PMID: 18192436; PubMed Central PMCID: PMC2254934.

Structured Information