Abstract
Transcription factors containing a CCCH structure (C3H) play important roles in plant growth and development, and their stress response, but research on the C3H gene family in potato has not been reported yet. In this study, we used bioinformatics to identify 50 C3H genes in potato and named them StC3H-1 to StC3H-50 according to their location on chromosomes, and we analyzed their physical and chemical properties, chromosome location, phylogenetic relationship, gene structure, collinearity relationship, and cis-regulatory element. The gene expression pattern analysis showed that many StC3H genes are involved in potato growth and development, and their response to diverse environmental stresses. Furthermore, RT-qPCR data showed that the expression of many StC3H genes was induced by high temperatures, indicating that StC3H genes may play important roles in potato response to heat stress. In addition, Some StC3H genes were predominantly expressed in the stolon and developing tubers, suggesting that these StC3H genes may be involved in the regulation of tuber development. Together, these results provide new information on StC3H genes and will be helpful for further revealing the function of StC3H genes in the heat stress response and tuber development in potato.
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