Os10g0575000

The rice Os10g0575000 was reported as OsMYC2 in 2006 by researchers from the China. It is a member of bHLH transcription factor gene family.

Annotated Information

Gene Symbol

• Os10g0575000 <=> OsbHLH009 OsMYC2

Function

• OsMYC2, a JAZ-interacting transcription factor in rice (Oryza sativa L.), plays an important role in the resistance response against rice bacterial blight, which is one of the most serious diseases in rice, caused by Xanthomonas oryzae pv. oryzae (Xoo).
• OsMYC2 interacted with some OsJAZ proteins in a JAZinteracting domain (JID)-dependent manner.
• OsMYC2 up-regulated OsJAZ10 as well as many other defense-related genes. OsMYC2 selectively bound to the G-box-like motif of the OsJAZ10 promoter in vivo and regulated the expression of early JA-responsive genes, but not of late JA-responsive genes.
• OsMYC2 acts as a positive regulator of early JA signals in the JA-induced resistance against Xoo in rice.

Phenotypic analysis

• Transgenic rice plants overexpressing OsMYC2 exhibited aJA-hypersensitive phenotype and were more resistant to Xoo

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Labs working on this gene

• Plant Genome and Resource Research Center, Faculty of Agriculture, Kagawa University, Miki, Kagawa, 761-0795 Japan