Genome-wide analysis and expression profile of gene family under drought and salinity stress condition in cowpea ( (L.) Walp.).

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TCP transcription factors are known to regulate abiotic stress condition, but their role in remains unexplored. So, in silico analysis and expression profile of the gene family were performed in to understand its role in response to heat and drought stress. A genome-wide search detected 28 TCPs (designated as ) that were grouped into three subclasses by phylogenetic analysis. Gene structure, synteny, and phylogeny analyses of have shown a typical evolutionary path. One tandem and eight segmental duplication events were identified. Furthermore, identified duplicated, and orthologous genes were under strong purifying selection pressure. A total of 15 SSRs were identified in the 12 while 10 genes were regulated by different miRNAs having a major role in abiotic stress tolerance. Analysed physicochemical properties, cis-acting elements, and gene ontology suggested that play various roles, including salinity and drought stress tolerance. qRT-PCR analysis showed that 11 and 15 were upregulated under drought and salinity stress conditions, respectively. Our findings provide comprehensive insights into the genomic characterization of the gene family in , offering a foundation for understanding their structure, evolution, and role in abiotic stress tolerance.

SUPPLEMENTARY INFORMATION

The online version contains supplementary material available at 10.1007/s13205-024-03976-x.