Article
Functional analyses of the ABI1-related protein phosphatase type 2C reveal evolutionarily conserved regulation of abscisic acid signaling between Arabidopsis and the moss Physcomitrella patens.
Plant molecular biology - 1 Jun 2009
Komatsu Kenji, Nishikawa Yuri, Ohtsuka Tomohito, Taji Teruaki, Quatrano Ralph S, Tanaka Shigeo, Sakata Yoichi
Abstract excerpt
We employed a comparative genomic approach to understand protein phosphatase 2C (PP2C)-mediated abscisic acid (ABA) signaling in the moss Physcomitrella patens. Ectopic expression of Arabidopsis (Arabidopsis thaliana) abi1-1, a dominant mutant allele of ABI1 encoding a PP2C involved in the negative regulation of ABA signaling, caused ABA insensitivity of P. patens both in gene expression of late embryogenesis...
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