期刊
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS
卷 371, 期 4, 页码 883-888出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.bbrc.2008.05.001
关键词
abscisic acid; phosphoproteins; G protein beta subunit-like protein; rice
Abscisic acid (ABA) is a hormone that regulates plant development and adaptation to environmental stresses. Protein phosphorylation has been recognized as an important mechanism for ABA signaling. However, the target phosphoproteins regulated by ABA are still largely unknown. Here, we report the identification of ABA-regulated phosphoproteins in rice using proteomic approaches. Six ABA-regulated phosphoproteins were identified as G protein beta subunit-like protein, ascorbate peroxidase, manganese superoxide dismutase, triosephosphate isomerase, putative Ca2+/H+ antiporter regulator protein, and glyoxysomal malate dehydrogenase. These results provide new insight into the regulatory mechanism for some ABA signaling proteins and implicate several previously unrecognized proteins in ABA action. (C) 2008 Elsevier Inc. All rights reserved.
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