Identification and characterization of rice blast resistance gene Pid4 by a combination of transcriptomic profiling and genome analysis.

Map-based cloning of plant disease resistance (R) genes is time-consuming. Here, we reported the isolation of blast R gene Pid4 using comparative transcriptomic profiling and genome-wide sequence analysis. Pid4 encodes a coiled-coil nucleotide-binding site leucine-rich repeat (CC-NBS-LRR) protein and is constitutively expressed at diverse developmental stages in the rice variety Digu.