BMC Plant Biol. 2008 November 7; 8( 1) : 111
Lin YH, Hwang SY, Hsu PY, Chiang YC, Huang CL, Wang CN, Lin TP
ABSTRACT: BACKGROUND: CBF/DREB transcribe genes have been during large distributed in aloft plants as good as encode transcriptional factors, or CBFs, which connect a DNA regulatory component as good as explain responsiveness to low temperatures as good as dehydration. RESULTS: We explored patterns of genetic variations of CBF1, -2, as good as -3 from 34 accessions of Arabidopsis thaliana. Molecular race genetic analyses of these genes indicated which CBF2 has most marked down nucleotide farrago in a transcriptional section as good as upholder, suggesting which CBF2 has been subjected to a new adaptive brush, which agrees with reports of a regulatory protein of CBF2. Investigating a ratios of Ka/Ks in between all interconnected CBF paralogus genes, tall charge of a AP2 domain was celebrated, as good as a vital dissimilarity of proteins was a outcome of decrease in dual regions inside of a transcriptional activation domain which was underneath certain preference after CBF duplication. With apply oneself to a turn of CBF gene countenance, multiform deteriorated nucleotides in a promoters of CBF3 as good as -1 of specific ecotypes competence be obliged for a consistently low countenance. CONCLUSIONS: We resolved from a interpretation which critical evolutionary changes in CBF1, -2, as good as -3 might have essentially occurred during a turn of gene law as good as in protein duty.
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