Genome-wide identification of cyclic nucleotide-gated channel gene family in Solanum tuberosum and silencing of StCNGC2 provides resistance to Pectobacterium carotovorum
Kaile Sun, Shuai Liu, Huipo Mao, Qianqian Zha, Han Liu, Shunshan Shen, Evert Jacobsen, Richard G. F. Visser, Yuling Bai, Chengwei Li, Zhiqi Jia, Geng Meng, Yawen Shen
TL;DR
This study identifies a gene family in potatoes that helps defend against a destructive disease, with one gene showing particular importance in resistance.
Contribution
The study identifies and characterizes the StCNGC gene family in potato and shows that silencing StCNGC2 increases resistance to blackleg disease.
Findings
Eleven StCNGC genes were identified in the potato genome and grouped into five phylogenetic clusters.
Silencing StCNGC2 conferred resistance to blackleg disease and upregulated a defense-related gene (StPR1).
Most StCNGC genes were induced under biotic stress conditions, indicating their role in plant defense.
Abstract
Cyclic nucleotide-gated ion channel (CNGC) genes play vital roles in plant growth, development, and responses to both biotic and abiotic stresses. However, the current research on CNGCs in potato (Solanum tuberosum) remain largely uncharacterized. Blackleg disease is one of the most devastating diseases worldwide, causing severe yield losses. Understanding the role of the StCNGC gene family in blackleg resistance is therefore of significant importance. In this study, we identified 11 StCNGC genes in the potato genome and conducted phylogenetic analysis, gene structure characterization, and conserved motif prediction. Expression patterns were examined in different tissues and under stress conditions. The identified StCNGCs were classified into five groups, and showed conserved gene structures and motifs within groups. Most StCNGCs were induced under biotic stress conditions. Notably,…
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Taxonomy
TopicsPlant-Microbe Interactions and Immunity · Plant Pathogenic Bacteria Studies · Nematode management and characterization studies