Role of Arabidopsis NHL family in ABA and stress response

被引：17
|
作者：
Bao, Yan [1 ,2 ,3 ]
Song, Wei-Meng [1 ]
Zhang, Hong-Xia [1 ,4 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Plant Physiol & Ecol, Natl Key Lab Plant Mol Genet, Shanghai, Peoples R China
[2] Iowa State Univ, Inst Plant Sci, Ames, IA USA
[3] Iowa State Univ, Dept Genet Dev & Cell Biol, Ames, IA USA
[4] Ludong Univ, Coll Agr, Yantai, Peoples R China
来源：
PLANT SIGNALING & BEHAVIOR | 2016年 / 11卷 / 05期
关键词：
ABA; abiotic stress; gene expression; NHL family; NHL6; ABSCISIC-ACID; MEMBRANE-PROTEIN; BIOSYNTHESIS; THALIANA; RESISTANCE; TOLERANCE; SIGNAL; MODEL;
D O I：
10.1080/15592324.2016.1180493
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
Based on their sequence homology to Arabidopsis NDR1 and tobacco (Nicotiana tabacum) HIN1, 45 NHL (NDR1/HIN1-like) family genes are found in Arabidopsis genome. Recently, we reported that overexpression of NHL6, a member of NHL family, modulated seed germination under abiotic stresses through affecting ABA biosynthesis and signaling. We also carried out qPCR and investigated the expression of the other 8 member genes (NHL7a, 16, 17, 21, 25, 26, 41, 43) whose transcriptional data are publicly unavailable, and found that expression of NHL17 was induced more than 2 folds in ABA treated seedlings. Furthermore, in addition to the plasma membrane localization, YFP-NHL6 fusion protein was also observed in the cytosol (as dots) or on the membrane of small vacuoles or vesicles. As a member of the pathogen infection related genes, expression of NHL6 was significantly induced by salicylic acid and NHL6s are evolutionarily conserved among different plant species. A working model of NHL6 in ABA response was proposed.
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页数：5
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