文献类型： 外文期刊
作者： Jia, Liqiang 1 ; Zhao, QiuFang 1 ; Chen, Shu 1 ;
作者机构： 1.Chinese Acad Trop Agr Sci, South Subtrop Crop Res Inst, Key Lab Trop Fruit Biol, Minist Agr, Zhanjiang 524091, Peoples R China
关键词： abiotic stress; expression profiles; genomic characterisation; Sorghum bicolor; UBC family
期刊名称：FUNCTIONAL PLANT BIOLOGY （ 影响因子：3.101； 五年影响因子：3.248 ）
ISSN： 1445-4408
年卷期： 2019 年 46 卷 3 期
页码：
收录情况： SCI
摘要： Ubiquitin-conjugating enzymes (UBCs), which catalyse the transfer of ubiquitin to substrate or E3 ligases, are key enzymes in ubiquitination modifications of target proteins. Current knowledge regarding the sorghum (Sorghum bicolor (L.) Moench) ubiquitin-conjugating enzyme (SbUBC) family remains very limited. We identified 53 UBC-encoding genes in the sorghum genome and divided these into 18 groups according to their phylogenetic relationship with Arabidopsis thaliana (L.) Heynh., which was further supported by conserved motif and gene structure analyses. Different expression levels under a variety of abiotic stresses suggested that these might participate in distinct signalling pathways and that they underwent functional divergence during evolution. Furthermore, several SbUBC genes responded to single treatments, and individual SbUBC genes responded to multiple treatments, suggesting that sorghum UBCs may mediate crosstalk among different signalling pathways. Overall, the results provide valuable information for better understanding the classification and putative functions of sorghum UBC-encoding genes.
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