Genome wide characterization, evolution and expression analysis of FBA gene family under salt stress in Gossypium species

文献类型： 外文期刊

第一作者： Shehzad, Muhammad

作者： Shehzad, Muhammad;Ditta, Allah;Cai, Xiaoyan;Zhou, Zhongli;Wang, Xingxing;Xu, Yanchao;Hou, Yuqing;Yasir, Muhammad;Khan, Majid;Wang, Kunbo;Liu, Fang

作者机构：

关键词： G. darwinii; FBA gene family; G. hirsutum; Gene expression; Salt stress

期刊名称：BIOLOGIA （ 影响因子：1.35； 五年影响因子：1.139 ）

ISSN： 0006-3088

年卷期： 2019 年 74 卷 11 期

页码：

收录情况： SCI

摘要： Abiotic stress is an important bottleneck in crop yield around the world. The main purpose of this study is to describe the function and expression patterns of Fructose-1, 6-bisphosphate Aldolase (FBA) gene family in Gossypium species under salt stress. FBA genes are implicated in plant growth and development as well as salt stress tolerance. In this study, 19 FBA genes were found in G. hirsutum, while 9 genes each in case of G. arboreum and G. raimondii. Based on protein domains and phylogenetic analysis, FBA genes were categorized into two classes I and II. Gene structure analysis and motifs division of FBA genes in three Gossypium species showed that numerous genes of FBA have unequal distribution of introns, suggesting new functions in the gene family. Combined syntenic blocks of FBA genes revealed 31duplicated genes among the three Gossypium species. Three kinds of duplications (segmental, tandem and dispersed) were observed with most of the FBA genes duplicated in segmental pattern and remaineds conserved, which could be a possible basis of expansion of FBA genes in cotton (Gossypium). Gene ontology results showed that FBA genes were involved in a couple of mechanisms such as vacuole compartmentalization, glycolysis process and zinc ion binding. The expression analysis depicted that most of class I genes were upregulated in salt tolerant species, G. darwinii as compared to salt susceptible species G. hirsutum. These finding shows comprehensive information on structure and promising function of FBA gene family in Gossypium plant under salt stress.

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