Reference Report for AP20210617.2
| Title: | Genome-wide identification of soybean WRKY transcription factors in response to salt stress |
| Authors: | Yu, Y., Wang, N., Hu, R., Xiang, F. |
| Source: | Yu et al. 2016 Springerplus, 5(1):920 |
| Abstract: | Members of the large family of WRKY transcription factors are involved in a wide range of developmental and physiological processes, most particularly in the plant response to biotic and abiotic stress. Here, an analysis of the soybean genome sequence allowed the identification of the full complement of 188 soybean WRKY genes. Phylogenetic analysis revealed that soybean WRKY genes were classified into three major groups (I, II, III), with the second group further categorized into five subgroups (IIaIIe). The soybean WRKYs from each group shared similar gene structures and motif compositions. The location of theGmWRKYswas dispersed over all 20 soybean chromosomes. The whole genome duplication appeared to have contributed significantly to the expansion of the family. Expression analysis by RNA-seq indicated that in soybean root, 66 of the genes responded rapidly and transiently to the imposition of salt stress, all but one being up-regulated. While in aerial part, 49GmWRKYsresponded, all but two being down-regulated. RT-qPCR analysis showed that in the whole soybean plant, 66GmWRKYsexhibited distinct expression patterns in response to salt stress, of which 12 showed no significant change, 35 were decreased, while 19 were induced. The data present here provide critical clues for further functional studies of WRKY gene in soybean salt tolerance. |
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