Expression of a boiling-stable protein (BsCyp) in response to heat shock, drought and ABA treatments in Sorghum bicolor

被引：5

作者：

Sharma, Arun Dev ^{[1
]}

Vasudeva, Ravia ^{[1
]}

Kaur, Ramandeep ^{[1
]}

机构：

[1] Lyallpur Khalsa Coll, Dept Biotechnol, Jalandhar 144001, Punjab, India

来源：

PLANT GROWTH REGULATION | 2006年 / 50卷 / 2-3期

关键词：

boiling-stable proteins; cyclophilin; water stress; sorghum;

D O I：

10.1007/s10725-006-9134-2

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

The effect of heat stress, drought and abscisic acid (ABA) on the induction of boiling-stable proteins were studied in 12 h germinated sorghum embryos and endosperm. SDS-PAGE revealed the heat shock induction of one major 97 kDa boiling-stable protein both in embryos and endosperm. Western blotting analysis, using polyclonal antibodies raised against a 20 kDa Arabidopsis thaliana cyclophilin, revealed the induction of a cross-reacting band (97 kDa, BsCyp) in both embryos and endosperm in a time dependent manner. The BsCyp boiling-stable polypeptide was also regulated by exogenous application of ABA, indicating its role in water stress adaptation. Drought stress also resulted in a significant induction of boiling-stable protein (BsCyp) in both embryos and endosperm. Based upon these observations the possible role of BsCyp in water stress tolerance is discussed.

引用

页码：249 / 254

页数：6

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