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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.1
- 수록면
- 646 - 660 (15page)
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Abscisic acid (ABA) is a phytohormone essential for seed development and seedling growth under unfavorable environmental conditions. The signaling pathway leading to ABA response has been established, but relatively little is known about the functional regulation of the constituent signaling components. Here, we present several lines of evidence that Arabidopsis Raf-like kinase Raf10 modulates the core ABA signaling downstream of signal perception step. In particular, Raf10 phosphorylates subclass III SnRK2s (SnRK2.2, SnRK2.3, and SnRK2.6), which are key positive regulators, and our study focused on SnRK2.3 indicates that Raf10 enhances its kinase activity and may facilitate its release from negative regulators. Raf10 also phosphorylates transcription factors (ABI5, ABF2, and ABI3) critical for ABA-regulted gene expression. Furthermore, Raf10 was found to be essential for the in vivo functions of SnRK2s and ABI5. Collectively, our data demonstrate that Raf10 is a novel regulatory component of core ABA signaling.
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참고문헌 (72)
참고문헌 신청
Assmann, S. M. / 2000 / ABA-deficient(aba1)and ABA-insensitive(abi1-1, abi2-1)mutants of Arabidopsis have a wildtype stomatal response to humidity / Plant Cell Environ 23:387~395
Belin, C. / 2006 / Identification of features regulating OST1 kinase activity and OST1function in guard cells / Plant Physiol 141:1316~1327
Bensmihen, S. / 2002 / The homologous ABI5 and EEL transcription factors function antagonistically to Fine-tune gene expression during late embryogenesis / Plant Cell 14:1391~1403
Bentsink, L. / 2008 / Seed dormancy and germination / Arab. Book 6:e0119
Boudsocq, M. / 2007 / Different phosphorylation mechanisms are involved in the activation of sucrose non-fermenting 1 related protein kinases 2 by osmotic stresses and abscisic acid / Plant Mol. Biol 63:491~503
Belin, C. / 2006 / Identification of features regulating OST1 kinase activity and OST1function in guard cells / Plant Physiol 141:1316~1327
Bensmihen, S. / 2002 / The homologous ABI5 and EEL transcription factors function antagonistically to Fine-tune gene expression during late embryogenesis / Plant Cell 14:1391~1403
Bentsink, L. / 2008 / Seed dormancy and germination / Arab. Book 6:e0119
Boudsocq, M. / 2007 / Different phosphorylation mechanisms are involved in the activation of sucrose non-fermenting 1 related protein kinases 2 by osmotic stresses and abscisic acid / Plant Mol. Biol 63:491~503
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