Cloning and expression analysis of the anthocyanin transcriptional activator gene stwd40 of Solanum tuberosum Overexpression of the maize GRF10, an endogenous truncated growth-regulating factor protein, leads to reduction in leaf size and plant height MOLECULAR CLONING OF A GENE FRAGMENT ENCODING CBF TRANSCRIPTIONAL ACTIVATOR FROM TALL FESCUE Bioinformatics analysis of CBF2 in three different chilling resistance grapes and construction of plant expression vector Cloning and expression analysis of the anthocyanin transcriptional activator gene stwd40 of Solanum tuberosum