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Publication Type J
Authors Li, J. T., G. Yu, X. H. Sun, X. H. Zhang, J. L. Liu and H. Y. Pan
Title AcEBP1, an ErbB3-Binding Protein (EBP1) from halophyte Atriplex canescens, negatively regulates cell growth and stress responses in Arabidopsis
Source Plant Science
Author Keywords AcEBP1 Atriplex canescens Overexpressing Arabidopsis Abiotic stress binding-protein methionine aminopeptidase signaling networks intrinsic protein plant-growth water-stress kinase-c tolerance phosphorylation photosynthesis
Abstract An ErbB-3-binding protein gene AcEBP1, also known as proliferation-associated 2G4 gene (PA2G4s) belonging to the M24 superfamily, was obtained from the saltbush Atriplex canescens. Subcellular localization imaging showed the fusion protein AcEBP1-eGFP was located in the nucleus of epidermal cells in Nicotiana benthamiana. The AcEBP1 gene expression levels were up-regulated under salt, osmotic stress, and hormones treatment as revealed by qRT-PCR. Overexpression of AcEBP1 in Arabidopsis demonstrated that AcEBP1 was involved in root cell growth and stress responses (NaCl, osmotic stress, ABA, low temperature, and drought). These phenotypic data were correlated with the expression patterns of stress responsive genes and PR genes. The AcEBP1 transgenic Arabidopsis plants also displayed increased sensitivity under low temperature and evaluated resistance to drought stress. Together, these results demonstrate that AcEBP1 negatively affects cell growth and is a regulator under stress conditions. (C) 2016 Elsevier Ireland Ltd. All rights reserved.
Author Address [Li, Jingtao; Yu, Gang; Sun, Xinhua; Zhang, Xianghui; Liu, Jinliang; Pan, Hongyu] Jilin Univ, Coll Plant Sci, Changchun 130062, Jilin, Peoples R China. Pan, HY (reprint author), Jilin Univ, Coll Plant Sci, Changchun 130062, Jilin, Peoples R China. lijingtao789@126.com; chrisyu_gang@126.com; xinhua_sun@126.com; zhangxianghui@jlu.edu.cn; jlliu@jlu.edu.cn; panhongyu@jlu.edu.cn
ISSN 0168-9452
ISBN 0168-9452
29-Character Source Abbreviation Plant Sci.
Publication Date Jul
Year Published 2016
Volume 248
Beginning Page 64-74
Digital Object Identifier (DOI) 10.1016/j.plantsci.2016.04.011
Unique Article Identifier WOS:000377314100008
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