Genome-Wide Dissection, Characterization, and Expression Profiling of Cotton GASA Genes Reveal their Importance in Regulating Abiotic Stresses
文献类型: 外文期刊
作者: Shaban Muhammad;Khan Aamir Hamid;Noor Etrat;Qayyum Abdul;Malik Waqas;Shehzad Muhammad;Akram Umar;Razzaq Ayesha;Tabassum Muhammad Adnan
作者机构:
关键词: cotton; GASA genes; Genome-wide; Stress responses; Tissue expression
期刊名称: International Journal of Agriculture and Biology
ISSN: 1560-8530
年卷期: 2021 年 25 卷 1 期
页码:
收录情况: 不在遴选数据库范围
摘要: Short amino acids constituting proteins of gibberellic acid stimulated Arabidopsis (GASA) gene family are widely implicated in plant growth, development and have potential in mitigating environmental stresses. There is limited information about functions of these genes in cotton. In the present study, a total of 116 GASA genes were screened from four species of cotton. During phylogenetic clustering, these genes were distributed into three groups based on their homology. Duplication analysis among three species of cotton revealed that segmental duplication events might be the possible reason for expansion and domestication of cultivated tetraploid cotton. Further, chromosomal distributions of GASA genes on cotton chromosomes were found uneven. The genes structure and motifs division pattern of GhGASA genes within same group was relatively conserved. Promoter regions analysis of GhGASA genes comprehend their involvement in a variety of plant mechanisms related to growth and survival against environmental stresses. In tissue-specific expression analysis, significantly higher induction of GhGASA genes in various tissues of upland cotton revealed their importance in development of these tissues. Additionally, differential expressions of GhGASA genes to multiple abiotic stresses, especially against salt and cold stresses predicted their potential roles in regulating these environmental cues. In conclusion, this is the first comprehensive study regarding identification and investigation of cotton GASA gene family. Data presented here provide important information for future elucidating and characterizing potential target GASA genes related to abiotic stress resistance in cotton. © 2021 Friends Science Publishers © 2021. All rights reserved.
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