Expression analysis of 12 CDPK genes in roots of maize exposed to 250 mM NaCl for various times as indicated by quantitative real-time RT-PCR analysis. The scale representing the relative signal intensity values is shown above. Hierarchical clustering was played in data analysis.
Kong et al. BMC Genomics 2013 14:433 doi:10.1186/1471-2164-14-433