Salinity stress responsive genes in Maythorpe and Golden Promise. A. Number of probe sets up- and down-regulated in root (horizontal lines) and shoot tissue (dots) of the two genotypes. B. Venn diagram stating the overlap between the up- and down-regulated probe sets in Maythorpe (MT) and Golden Promise (GP). The overlap between the two genotypes is shaded with dots. The total number of probe sets responding in each the genotypes is indicated in brackets ().