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[Molecular cloning and characterization of a novel ice gene from Capsella bursapastoris].

Authors
Type
Published Article
Journal
Molekuliarnaia biologiia
Publication Date
Volume
39
Issue
1
Pages
21–29
Identifiers
PMID: 15773544
Source
Medline

Abstract

A new ice gene (designated as Cbice53, an inducer of CBF expression) was cloned from Capsella bursa-pastoris by rapid amplification of cDNA ends (RACE). The full-length cDNA of Cbice53 was 1811 bp long with a 1476 bp open reading frame (ORF) encoding a Myc-like protein of 492 amino acids. The predicted CbICE53 protein contained a potential basic helix-loop-helix, a nuclear localization signal (NLS), a RNA-binding regions RGG box, N-glycosylation and kinase phosphorylation sites. Bioinformatic analysis revealed that CbICE53 was highly homologous to ICE1 from Arabidopsis thaliana. Transcription of Cbice53 gene was induced transiently during salt and cold treatments, suggesting that it was involved in someway in cold-acclimation process. Our study implies that the Cbice53 gene is a new member of the ice gene family and may exert functions in cold- and salt-responsiveness in C. bursa-pastoris.

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