Virus‐specific and common transcriptomic responses of potato (Solanum tuberosum) against PVY, PVA and PLRV using microarray meta‐analysis

Potato as an essential root crop plays a fundamental role in sustenance security of the world. Viruses are among the most critical pathogens that can decrease the quality of products such as potato and their potential yield. Understanding plant responses to various stresses is an economically important subject in global food security, which is seriously threatened by climate changes. One of the effective methodologies to expand the resistance of potato against various stresses can be identified as the natural defence‐related genes. Microarray meta‐analysis was used for finding common patterns in microarray data sets. The results were filtered out by comparing the resistant and susceptible host data sets in combination with the data derived from biotic and abiotic stress experiments. A total of 42 candidate resistance genes were selected, which were specifically regulated during the potato–virus interaction. Also, 265 genes were recognized to respond to virus infection or other stresses. Integration of transcriptome data sets from various microarray studies gives new insight into the potato–stress interactions. Moreover, the selected genes can be used as candidates to enhance potato resistance against viruses.