Coordinated Responses to Oxygen and Sugar Deficiency Allow Rice Seedlings to Tolerate Flooding

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题名:	Coordinated Responses to Oxygen and Sugar Deficiency Allow Rice Seedlings to Tolerate Flooding
作者:	Lee,KW;Chen,PW;Lu,CA;Chen,S;Ho,THD;Yu,SM
贡献者:	生命科學研究所
关键词:	ALPHA-AMYLASE GENES;MULTIPLE-MODE REGULATION;PROTEIN-KINASE;ORYZA-SATIVA;DIFFERENTIAL EXPRESSION;CARBOHYDRATE-METABOLISM;SUBMERGENCE TOLERANCE;STARCH BREAKDOWN;CALCIUM SENSORS;CEREAL SEEDS
日期:	2009
上传时间:	2010-06-29 19:29:00 (UTC+8)
出版者:	中央大學
摘要:	Flooding is a widespread natural disaster that leads to oxygen (O-2) and energy deficiency in terrestrial plants, thereby reducing their productivity. Rice is unusually tolerant to flooding, but the underlying mechanism for this tolerance has remained elusive. Here, we show that protein kinase CIPK15 [calcineurin B-like (CBL)-interacting protein kinase] plays a key role in O-2-deficiency tolerance in rice. CIPK15 regulates the plant global energy and stress sensor SnRK1A (Snf1-related protein kinase 1) and links O-2-deficiency signals to the SnRK1-dependent sugar-sensing cascade to regulate sugar and energy production and to enable rice growth under floodwater. Our studies contribute to understanding how rice grows under the conditions of O-2 deficiency necessary for growing rice in irrigated lowlands.
關聯:	SCIENCE SIGNALING
显示于类别:	[生命科學研究所 ] 期刊論文

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