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- Title
Genome-Wide Identification and Analysis of U-Box E3 Ubiquitin-Protein Ligase Gene Family in Banana.
- Authors
Hu, Huigang; Dong, Chen; Sun, Dequan; Hu, Yulin; Xie, Jianghui
- Abstract
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.
- Subjects
BANANAS; LIGASES; GENOMICS; PROTEINS; UBIQUITIN; GENE expression
- Publication
International Journal of Molecular Sciences, 2018, Vol 19, Issue 12, p3874
- ISSN
1661-6596
- Publication type
Article
- DOI
10.3390/ijms19123874