Os11g0195500
The rice Os11g0195500 was reported as OsPAD4 in 2014 [1] by researchers from China.
Contents
Annotated Information
Figure 1. Subcellular Localization of OsPAD4.[1].
Gene Symbol
- Os11g0195500 <=> OsPAD4,PAD4
Function
- OsPAD4 plays an important role in wound-induced systemic resistance, whereas AtPAD4 mediates systemic acquired resistance.
- OsPAD4-involved defense signaling against Xoo is JA-dependent, but AtPAD4-involved defense signaling against biotrophic pathogens is sali- cylic acid-dependent.
- OsPAD4 is required for the accumulation of terpenoid-type phytoalexin MOA in rice-bacterium interactions, but AtPAD4-mediated resistance is associated with the accumulation of indole-type phytoalexin camalexin.
Phenotypic analysis
- Suppression of OsPAD4 by RNA interference (RNAi) increased rice susceptibility to the biotrophic pathogen Xanthomonas oryzae pv. oryzae (Xoo), which causes bacteria blight disease in local tissue.
- OsPAD4-RNAi plants also show compromised wound-induced systemic resistance to Xoo.
- The increased susceptibility to Xoo was associated with reduced accumulation of jasmonic acid (JA) and phytoalexin momilactone A (MOA).
- Exogenous application of JA complemented the phenotype of OsPAD4-RNAi plants in response to Xoo.
Subcellular localization
- OsPAD4 encodes a plasma membrane protein
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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
