Expression Profiling of the DREB2 Type Gene from Tomato (Solanum lycopersicum L.) under Various Abiotic Stresses

被引：14

作者：

Guo, Jia ^{[2
]}

Wang, Myeong-Hyeon ^{[1
]}

机构：

[1] Kangwon Natl Univ, Coll Biomed Sci, Dept Med Biotechnol, Chunchon 200701, South Korea

[2] NW A&F Univ, Coll Plant Protect, Yangling 712100, Shaanxi, Peoples R China

来源：

HORTICULTURE ENVIRONMENT AND BIOTECHNOLOGY | 2011年 / 52卷 / 01期

关键词：

LeDREB2; oxidative stress; RT-PCR; BINDING TRANSCRIPTION FACTOR; FUNCTIONAL-CHARACTERIZATION; HIGH-SALT; DROUGHT; COLD; DEHYDRATION; DOMAIN; SPECIFICITY; TOLERANCE; RESPONSES;

D O I：

10.1007/s13580-011-0125-5

中图分类号：

S6 [园艺];

学科分类号：

0902 ;

摘要：

A dehydration responsive element binding (DREB) gene, designated LeDREB2, was isolated from tomato. It was classified as an A-2 group member of the DREB family. LeDREB2 is a single copy acne in the tomato genome. and it was strongly expressed in young leaves and roots but weakly expressed in mature leaves and shoots. Transcripts of the LeDREB2 genes were induced by various environmental stresses such as drought and cold. Expression analysis demonstrated that various oxidative stresses (e.g.. salt (NaCl), abscisic acid (ABA), hydrogen peroxide (H2O2), methyl viologen (MV)) could induce the transcripts of LeDREB2 acne after application of time courses treatments except ABA. These results indicate that the LeDREB2 gene is a DREB transcription factor, which may play a role in both abiotic and oxidative stress responses.

引用

页码：105 / 111

页数：7

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