Cold Acclimation in Arabidopsis and Wheat | Zendy

Chentao Lin | Zendy; Wei Guo | Zendy; E. H. Everson | Zendy; Michael F. Thomashow | Zendy

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Cold Acclimation in Arabidopsis and Wheat

Author(s) -

Chentao Lin,

Wei Guo,

E. H. Everson,

Michael F. Thomashow

Publication year - 1990

Publication title -

plant physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.94.3.1078

Subject(s) - arabidopsis , arabidopsis thaliana , gene , biology , cloning (programming) , complementary dna , acclimatization , botany , biochemistry , microbiology and biotechnology , mutant , computer science , programming language

Changes in gene expression occur during cold acclimation in a wide variety of plant species. Here we show that a number of the polypeptides encoded by cold-regulated (cor) genes of Arabidopsis thaliana L. (Heyn) and wheat share the unusual biochemical property that they remain soluble upon boiling in aqueous solution. Further, cDNA cloning in conjunction with Southern and Northern analyses indicate that wheat has a cor gene that is related to Arabidopsis cor47, a gene encoding a 47 kilodalton ;boiling-stable' COR polypeptide. We suggest it is likely that the boiling-stable COR polypeptides have a fundamental role in plants acclimating to cold temperatures and discuss the possibility that they may act as cryoprotectants.

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