Cloning and Characterization of TaPP2AbB"-alpha, a Member of the PP2A Regulatory Subunit in Wheat | |
Liu, Dan; Li, Ang; Mao, Xinguo; Jing, Ruilian | |
刊名 | PLOS ONE
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2014 | |
卷号 | 9期号:4页码:- |
ISSN号 | 1932-6203 |
DOI | 10.1371/journal.pone.0094430 |
通讯作者 | Liu, Dan |
英文摘要 | Protein phosphatase 2A (PP2A), a major Serine/Threonine protein phosphatase, consists of three subunits; a highly conserved structural subunit A, a catalytic subunit C, and a highly variable regulatory subunit B which determines the substrate specificity. Although the functional mechanism of PP2A in signaling transduction in Arabidopsis is known, their physiological roles in wheat remain to be characterized. In this study, we identified a novel regulatory subunit B, TaPP2AbB"-alpha, in wheat (Triticum aestivum L.). Subcellular localization indicated that TaPP2AbB"-alpha is located in the cell membrane, cytoplasm and nucleus. It interacts with both TaPP2Aa and TaPP2Ac. Expression pattern analyses revealed that TaPP2AbB"-a is strongly expressed in roots, and responds to NaCl, polyethylene glycol (PEG), cold and abscisic acid (ABA) stresses at the transcription level. Transgenic Arabidopsis plants overexpressing TaPP2AbB"-alpha developed more lateral roots, especially when treated with mannitol or NaCl. These results suggest that TaPP2AbB"-alpha, in conjunction with the other two PP2A subunits, is involved in multi-stress response, and positively regulates lateral root development under osmotic stress. |
学科主题 | Multidisciplinary Sciences ; MULTIDISCIPLINARY SCIENCES |
语种 | 英语 |
出版者 | PUBLIC LIBRARY SCIENCE |
WOS记录号 | WOS:000334159800145 |
内容类型 | 期刊论文 |
源URL | [http://111.203.20.206/handle/2HMLN22E/4903] ![]() |
专题 | 作物科学研究所_分子生物学系 |
作者单位 | Chinese Acad Agr Sci, Inst Crop Sci, Natl Key Facil Crop Gene Resources & Genet Improv, Beijing 100193, Peoples R China |
推荐引用方式 GB/T 7714 | Liu, Dan,Li, Ang,Mao, Xinguo,et al. Cloning and Characterization of TaPP2AbB"-alpha, a Member of the PP2A Regulatory Subunit in Wheat[J]. PLOS ONE,2014,9(4):-. |
APA | Liu, Dan,Li, Ang,Mao, Xinguo,&Jing, Ruilian.(2014).Cloning and Characterization of TaPP2AbB"-alpha, a Member of the PP2A Regulatory Subunit in Wheat.PLOS ONE,9(4),-. |
MLA | Liu, Dan,et al."Cloning and Characterization of TaPP2AbB"-alpha, a Member of the PP2A Regulatory Subunit in Wheat".PLOS ONE 9.4(2014):-. |
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