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Genome-Wide Identification and Analysis of U-Box E3 Ubiquitin-Protein Ligase Gene Family in Banana

文献类型： 外文期刊

作者： Hu, Huigang 1 ; Dong, Chen 1 ; Sun, Dequan 1 ; Hu, Yulin 1 ; Xie, Jianghui 1 ;

作者机构： 1.Chinese Acad Trop Agr Sci, South Subtrop Crop Res Inst, Minist Agr, Key Lab Trop Fruit Biol, Zhanjiang 524091, Peoples R China

关键词： banana; ubiquitin-protein ligases; gene family; fruit development; abiotic stresses

期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：5.923； 五年影响因子：6.132 ）

ISSN： 1422-0067

年卷期： 2018 年 19 卷 12 期

页码：

收录情况： SCI

摘要： The U-box gene family is a family of genes which encode U-box domain-containing proteins. However, little is known about U-box genes in banana (Musa acuminata). In this study, 91 U-box genes were identified in banana based on its genome sequence. The banana U-box genes were distributed across all 12 chromosomes at different densities. Phylogenetic analysis of U-box genes from banana, Arabidopsis, and rice suggested that they can be clustered into seven subgroups (I-VII), and most U-box genes had a closer relationship between banana and rice relative to Arabidopsis. Typical U-box domains were found in all identified MaU-box genes through the analysis of conserved motifs. Four conserved domains were found in major banana U-box proteins. The MaU-box gene family had the highest expression in the roots at the initial fruit developmental stage. The MaU-box genes exhibited stronger response to drought than to salt and low temperatures. To the best of our knowledge, this report is the first to perform genome-wide identification and analysis of the U-box gene family in banana, and the results should provide valuable information for better understanding of the function of U-box in banana.

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