Genome-wide analyses of the soybean F-box gene family in response to salt stress
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AbstractThe F-box family is one of the largest gene families in plants that regulate diverse life processes, including salt responses. However, the knowledge of the soybean F-box genes and their roles in salt tolerance remains limited. Here, we conducted a genome-wide survey of the soybean F-box family, and their expression analysis in response to salinity via in silico analysis of online RNA-sequencing (RNA-seq) data and quantitative reverse-transcription polymerase chain reaction (qRT-PCR) to predict their potential functions. A total of 725 potential F-box proteins encoded by 509 genes were identified and classified into 9 subfamilies. The gene structures, conserved domains and chromosomal distributions were characterized. There are 76 pairs of duplicate genes identified, including genome-wide segmental and tandem duplication events, which lead to the expansion of the number of F-box genes. The in silico expression analysis showed that these genes would be involved in diverse developmental functions and play an important role in salt response. Our qRT-PCR analysis confirmed 12 salt-responding F-box genes. Overall, our results provide useful information on soybean F-box genes, especially their potential roles in salt tolerance.
Acceptance Date04/04/2017
All Author(s) ListQi Jia, Zhi-Xia Xiao, Fuk-Ling Wong, Song Sun, Kang-Jing Liang, Hon-Ming Lam
Journal nameInternational Journal of Molecular Sciences
Volume Number18
Issue Number4
PublisherMultidisciplinary Digital Publishing Institute (MDPI)
LanguagesEnglish-United States
KeywordsF-box gene family, expression patterns, salt stress, soybean

Last updated on 2021-15-10 at 23:32