Tobacco plants ectopically expressing the Ammopiptanthus mongolicus AmCBL1 gene display enhanced tolerance to multiple abiotic stresses

被引：17

作者：

Chen, Jin-Huan ^{[1
]}

Sun, Yan ^{[1
]}

Sun, Fang ^{[1
]}

Xia, Xin-Li ^{[1
]}

Yin, Wei-Lun ^{[1
]}

机构：

[1] Beijing Forestry Univ, Coll Biol Sci & Biotechnol, Natl Engn Lab Tree Breeding, Beijing 100083, Peoples R China

来源：

PLANT GROWTH REGULATION | 2011年 / 63卷 / 03期

基金：

中国国家自然科学基金;

关键词：

Ammopiptanthus mongolicus; AmCBL1; Abiotic stresses; Calcium sensor; B-LIKE PROTEINS; CALCIUM SENSORS; ARABIDOPSIS; KINASE; DROUGHT; FAMILY; IDENTIFICATION; CALMODULINS; RESPONSES; POPULUS;

D O I：

10.1007/s10725-010-9523-4

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Ca2+ is a critical component in signal transduction pathways that lead to stress gene expression in higher plants and regulates a wide range of physiological processes. The calcineurin B-like protein (CBL) family represents a unique group of calcium sensors in plants, and plays a key role in decoding calcium transients. Here, a CBL1 homolog gene, AmCBL1 (NCBI accession no. AY902246), was isolated from Ammopiptanthus mongolicus (Maxim.) by reverse transcriptase-polymerase chain reaction (RT-PCR) and rapid amplification of cDNA ends (RACE). Quantitative real-time PCR (QRT-PCR) experiments showed that AmCBL1 was significantly induced by drought, high salinity, heat, and CaCl2 treatments in A. mongolicus seedlings. Subcellular localization analysis suggested that AmCBL1 is a plasma membrane-localized protein. Our results suggest that AmCBL1 is not only a positive regulator of salt response but also a positive regulator of temperature stresses in A. mongolicus.

引用

页码：259 / 269

页数：11

共 29 条

[1] The calcium sensor CBL1 integrates plant responses to abiotic stresses [J].