WD-repeat (WDR) proteins are highly abundant and participate in a seemingly wide range of interactions and cellular functions acting as scaffolding molecules. However, WDR identification in potato has not been conducted so far. In this study, we demonstrated the presence of at least 168 WDR genes in potato ( L.) which can be subdivided into five discrete clusters (Cluster I-V) and 10 classes inferred from their phylogenetic features of the constituent genes and the distribution of domains. These genes are distributed on all 12 chromosomes, of which chromosome 3 carries the most genes with 26 . The expression of potato WDR genes showed tissue specificity with a high expression in carpels, callus and roots, and the expression patterns were obviously different among different genes. Transcript profiling of 168 genes revealed the particular tissues in which the 168 are expressed, and displayed a high expression in carpels, callus and roots. Most were modulated by salt, ABA and stresses, of which was found to be highly expressed under all the three stresses. These outcomes revealed the intricate crosstalk between WDRs and other regulatory networks in the event of adverse milieu.
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| http://dx.doi.org/10.1007/s13205-019-1965-4 | DOI Listing |
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