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Genome-Wide Identification and Expression Analysis of the Biotin Carboxyl Carrier Subunits of Heteromeric Acetyl-CoA Carboxylase in Gossypium

文献类型： 外文期刊

作者： Cui, Yupeng 1 ; Zhao, Yanpeng 1 ; Wang, Yumei 2 ; Liu, Zhengjie 1 ; Ijaz, Babar 1 ; Huang, Yi 3 ; Hua, Jinping 1 ;

作者机构： 1.China Agr Univ, Coll Agron & Biotechnol, Lab Cotton Genet Genom & Breeding, Beijing Key Lab Crop Genet Improvement, Beijing, Peoples R China

2.Hubei Acad Agr Sci, Res Inst Cash Crop, Wuhan, Peoples R China

3.Chinese Acad Agr Sci, Oil Crops Res Inst, Wuhan, Peoples R China

关键词： biotin carboxyl carrier subunit (BCCP);gene family;expression profile;Gossypium;phylogenetic analysis

期刊名称：FRONTIERS IN PLANT SCIENCE （ 影响因子：5.753； 五年影响因子：6.612 ）

ISSN： 1664-462X

年卷期： 2017 年 8 卷

页码：

收录情况： SCI

摘要： Acetyl-CoA carboxylase is an important enzyme, which catalyzes acetyl-CoA's carboxylation to produce malonyl-CoA and to serve as a committed step for de novo fatty acid biosynthesis in plastids. In this study, 24 putative cotton BCCP genes were identified based on the lately published genome data in Gossypium. Among them, 4, 4, 8, and 8 BCCP homologs were identified in Gossypium raimondii, G. arboreum, G. hirsutum, and G. barbadense, respectively. These genes were divided into two classes based on a phylogenetic analysis. In each class, these homologs were relatively conserved in gene structure and motifs. The chromosomal distribution pattern revealed that all the BCCP genes were distributed equally on corresponding chromosomes or scaffold in the four cotton species. Segmental duplication was a predominant duplication event in both of G. hirsutum and G. barbadense. The analysis of the expression profile showed that 8 GhBCCP genes expressed in all the tested tissues with changed expression levels, and GhBCCP genes belonging to class II were predominantly expressed in developing ovules. Meanwhile, the expression analysis for the 16 cotton BCCP genes from G. raimondii, G. arboreum and G. hirsutum showed that they were induced or suppressed by cold or salt stress, and their expression patterns varied among different tissues. These findings will help to determine the functional and evolutionary characteristics of the BCCP genes in Gossypium species.

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