OsBIRF1

| Categories genes  | Tags seed germination  disease  salicylic acid  jasmonic acid  blast disease  jasmonic  blast  disease resistance  ABA  drought  defense response  oxidative  growth  seedling  seed  height  biotic stress  defense  drought tolerance  root 
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  • Key message
    • Reduced ABA sensitivity in root elongation and increased drought tolerance in seed germination were also observed in OsBIRF1 transgenic tobacco plants
    • Expression of OsBIRF1 was up-regulated in rice seedlings after treatment with benzothaidiazole, salicylic acid, l-aminocyclopropane-1-carboxylic acid and jasmonic acid, and was induced differentially in incompatible but not compatible interactions between rice and Magnaporthe grisea, the causal agent of blast disease
    • Transgenic tobacco plants that constitutively express OsBIRF1 exhibit enhanced disease resistance against tobacco mosaic virus and Pseudomonas syringae pv
    • These results demonstrate that OsBIRF1 has pleiotropic effects on growth and defense response against multiple abiotic and biotic stresses
    • Functional analysis reveals pleiotropic effects of rice RING-H2 finger protein gene OsBIRF1 on regulation of growth and defense responses against abiotic and biotic stresses
    • The OsBIRF1-overexpressing transgenic tobacco plants show increased oxidative stress tolerance to exogenous treatment with methyl viologen and H2O2, and up-regulate expression of oxidative stress-related genes
    • Furthermore, the transgenic tobacco plants show longer roots and higher plant heights as compared with the wild-type plants, suggesting that overexpression of OsBIRF1 promote plant growth
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