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	The bhlh-type transcription factor ataib positively regulates aba response in arabidopsis
	Li, Hongmei; Sun, Jiaqiang; Xu, Yingxiu; Jiang, Hongling; Wu, Xiaoyan; Li, Chuanyou
刊名	Plant molecular biology
	2007-11-01
卷号	65期号:5页码:655-665
关键词	Bhlh-type protein Ataib Aba signaling Drought tolerance Arabidopsis
ISSN号	0167-4412
DOI	10.1007/s11103-007-9230-3
通讯作者	Li, chuanyou(cyli@genetics.ac.cn)
英文摘要	The phytohormone aba was known to play a vital role in modulating plant responses to drought stress. here, we report that a nuclear-localized basic helix-loop-helix (bhlh)-type protein, ataib, positively regulates aba response in arabidopsis. the expression of ataib was transitorily induced by aba and peg, although its transcripts were accumulated in various organs. we provided evidence showing that ataib has transcriptional activation activity in yeast. knockdown of ataib expression caused reduced sensitivity to aba, whereas overexpression of this gene led to elevated sensitivity to aba in cotyledon greening and seedling root growth. furthermore, soil-grown plants overexpressing ataib showed increased drought tolerance. taken together, these results suggested that ataib functions as a transcription activator involved in the regulation of aba signaling in arabidopsis.
WOS关键词	ACID SIGNAL-TRANSDUCTION ; PROTEIN PHOSPHATASE 2C ; ABSCISIC-ACID ; DISEASE RESISTANCE ; NEGATIVE REGULATOR ; BINDING PROTEIN ; GENE-EXPRESSION ; HIGHER-PLANTS ; BZIP FACTOR ; THALIANA
WOS研究方向	Biochemistry & Molecular Biology ; Plant Sciences
WOS类目	Biochemistry & Molecular Biology ; Plant Sciences
语种	英语
出版者	SPRINGER
WOS记录号	WOS:000251128800007
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2380595
专题	中国科学院大学
通讯作者	Li, Chuanyou
作者单位	1.Chinese Acad Sci, Inst Genet & Dev Biol, State Key Lab Plant Genom & Ctr Plant Gene Res, Beijing 100101, Peoples R China 2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
推荐引用方式 GB/T 7714	Li, Hongmei,Sun, Jiaqiang,Xu, Yingxiu,et al. The bhlh-type transcription factor ataib positively regulates aba response in arabidopsis[J]. Plant molecular biology,2007,65(5):655-665.
APA	Li, Hongmei,Sun, Jiaqiang,Xu, Yingxiu,Jiang, Hongling,Wu, Xiaoyan,&Li, Chuanyou.(2007).The bhlh-type transcription factor ataib positively regulates aba response in arabidopsis.Plant molecular biology,65(5),655-665.
MLA	Li, Hongmei,et al."The bhlh-type transcription factor ataib positively regulates aba response in arabidopsis".Plant molecular biology 65.5(2007):655-665.

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