Article
Group A PP2Cs evolved in land plants as key regulators of intrinsic desiccation tolerance.
Nature communications - 1 Jan 2013
Komatsu Kenji, Suzuki Norihiro, Kuwamura Mayuri, Nishikawa Yuri, Nakatani Mao, Ohtawa Hitomi, Takezawa Daisuke, Seki Motoaki, Tanaka Maho, Taji Teruaki, Hayashi Takahisa, Sakata Yoichi
Abstract excerpt
Vegetative desiccation tolerance is common in bryophytes, although this character has been lost in most vascular plants. The moss Physcomitrella patens survives complete desiccation if treated with abscisic acid (ABA). Group A protein phosphatases type 2C (PP2C) are negative regulators of abscisic acid signalling. Here we show that the elimination of Group A PP2C is sufficient to ensure P. patens survival to full...
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