We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleRelaxed Selection on the CBF/DREB1 Regulatory Genes and Reduced Freezing Tolerance in the Southern Range of Arabidopsis thaliana.AuthorsYing Zhen; Ungerer, Mark C.PublicationMolecular Biology & Evolution, 2008, Vol 25, Issue 12, p2547ISSN0737-4038Publication typearticleDOI10.1093/molbev/msn196