Article
Three Arabidopsis SnRK2 protein kinases, SRK2D/SnRK2.2, SRK2E/SnRK2.6/OST1 and SRK2I/SnRK2.3, involved in ABA signaling are essential for the control of seed development and dormancy.
Plant & cell physiology - 1 Jul 2009
Nakashima Kazuo, Fujita Yasunari, Kanamori Norihito, Katagiri Takeshi, Umezawa Taishi, Kidokoro Satoshi, Maruyama Kyonoshin, Yoshida Takuya, Ishiyama Kanako, Kobayashi Masatomo, Shinozaki Kazuo, Yamaguchi-Shinozaki Kazuko
Abstract excerpt
ABA is an important phytohormone regulating various plant processes, including stress tolerance, seed development and germination. SRK2D/SnRK2.2, SRK2E/SnRK2.6/OST1 and SRK2I/SnRK2.3 are redundant ABA-activated SNF1-related protein kinases 2 (SnRK2s) in Arabidopsis thaliana. We examined the role of these protein kinases in seed development and germination. These SnRK2 proteins were mainly expressed in the nucleus...
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