Differential stress responses of early salt-stress responding genes in common wheat

被引：38
|
作者：
Nemoto, Y
Sasakuma, T
机构：
[1] Yokohama City Univ, Kihara Inst Biol Res, Totsuka Ku, Yokohama, Kanagawa 2440813, Japan
[2] Yokohama City Univ, Grad Sch Integrated Sci, Totsuka Ku, Yokohama, Kanagawa 2440813, Japan
来源：
PHYTOCHEMISTRY | 2002年 / 61卷 / 02期
关键词：
abscisic acid (ABA); osmotic stress; salt stress; semi-quantitative RT-PCR; wheat;
D O I：
10.1016/S0031-9422(02)00228-5
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：
Four early salt-stress responding genes (WESR1-4) in common wheat (Triticum aestivum L.) were analyzed for their temporal accumulation of mRNA during salt stress, osmotic stress and abscisic acid (ABA) treatment. All genes showed transient stimulation by 0.15 M NaCl treatment. WESR1 and WESR2 were induced by both osmotic stress and exogenous ABA treatment. WESR3 responded to exogenous ABA, but not to osmotic stress. WESR4 did not show significant response to either osmotic stress or exogenous ABA treatment. These results suggest that wheat has at least two salt stress signal transduction pathways, an ABA-dependent and ABA-independent pathway. (C) 2002 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：129 / 133
页数：5
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