The banana E2 gene family: Genomic identification, characterization, expression profiling analysis
文献类型: 外文期刊
第一作者: Dong, Chen
作者: Dong, Chen;Hu, Huigang;Jue, Dengwei;Zhao, Qiufang;Chen, Hongliang;Xie, Jianghui;Jia, Liqiang;Dong, Chen;Hu, Huigang;Jue, Dengwei;Zhao, Qiufang;Chen, Hongliang;Xie, Jianghui;Jia, Liqiang
作者机构:
关键词: Banana;Ubiquitin-conjugating enzyme;Gene family;Genome wide analysis;Abiotic stress;Expression analysis
期刊名称:PLANT SCIENCE ( 影响因子:4.729; 五年影响因子:5.132 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: The E2 is at the center of a cascade of Ub1 transfers, and it links activation of the Ub1 by E1 to its eventual E3-catalyzed attachment to substrate. Although the genome-wide analysis of this family has been performed in some species, little is known about analysis of E2 genes in banana. In this study, 74 E2 genes of banana were identified and phylogenetically clustered into thirteen subgroups. The predicted banana E2 genes were distributed across all 11 chromosomes at different densities. Additionally, the E2 domain, gene structure and motif compositions were analyzed. The expression of all of the banana E2 genes was analyzed in the root, stem, leaf, flower organs, five stages of fruit development and under abiotic stresses. All of the banana E2 genes, with the exception of few genes in each group, were expressed in at least one of the organs and fruit developments, which indicated that the E2 genes might involve in various aspects of the physiological and developmental processes of the banana. Quantitative RT-PCR (qRT-PCR) analysis identified that 45 E2s under drought and 33 E2s under salt were induced. To the best of our knowledge, this report describes the first genome-wide analysis of the banana E2 gene family, and the results should provide valuable information for understanding the classification, cloning and putative functions of this family. (C) 2016 Elsevier Ireland Ltd. All rights reserved.
分类号: Q94
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