Genome-wide analysis and expression profiles of the StR2R3-MYB transcription factor superfamily in Solanum Tuberosum [post]

2019 unpublished
MYB transcription factors comprise one of the largest families in plant kingdom, which play a variety of functions in plant developmental processes and defence responses. However, it has not been systematically studied in Potato (Solanum tuberosum), which is the most important noncereal crop world-wide. Results: In the present study, a total of 108 StR2R3-MYB transcription factors were identified and further phylogenetically classified into 28 subfamilies, as supported by highly conserved gene
more » ... hly conserved gene structures and motifs. Collinearity analysis showed that the segmental duplication events played a crucial role in the expansion of StR2R3-MYB gene family. Synteny analysis indicated that 37 and 13 StR2R3-MYB genes were orthologous to Arabidopsis and wheat, respectively, and these gene pairs have evolved under strong purifying selection. RNA-seq data from different tissues and abiotic stresses revealed tissue-preferential and abiotic stress-responsive StR2R3-MYB genes. We
doi:10.21203/rs.2.9669/v1 fatcat:5q5al7fh6fhmzjxomyy4tugyjq