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Letter

Nature Genetics 39, 1410–1413 (1 November 2007) | doi:10.1038/ng.2007.3

Light-quality regulation of freezing tolerance in Arabidopsis thaliana

Keara A Franklin & Garry C Whitelam

To acquire freezing tolerance, higher plants require a period of low temperature (usually CRT/DRE binding factor (CBF) family of transcriptional activators leads to the upregulation of genes containing a C-repeat/drought-responsive (CRT/DRE) promoter element and metabolic changes that enhance tolerance to subzero temperatures.