Expression profile of Cor genes in rye cultivars Gazelle (G), Sangaste (S), Puma(P) and Norstar (N) winter wheat and Kold (K) winter barley in response to varying acclimation temperatures (6, 10, 15 and 18°C) and sampling times [before treatment (C) and after 2, 4, 8 and 48 h]. The Genbank accession numbers of genes used in this analysis are: Rep14 (AF491840), Rep13 (AF491839), Cor39hom (TC2696), Cor410hom (TC3078), Wcs19 (L13437), Hvcor14b (AJ512944), Wcor14b (AF207546), Dhn5 (M95810), Wcs120 (M93342), Dhn8 (AF181458), Wcor410 (L29152). Samples were normalized with wheat actin-specific primers (AB181991)