Silencing of GhORP_A02 enhances drought tolerance in Gossypium hirsutum

文献类型: 外文期刊

第一作者: Tajo, Sani Muhammad

作者: Tajo, Sani Muhammad;Pan, Zhaoe;Jia, Yinhua;He, Shoupu;Chen, Baojun;Sadau, Salisu Bello;Nazir, Mian Faisal;Geng, Xiaoli;Du, Xiongming;Km, Yusuf;Auta, Umar;Ajadi, Aboleri Adijat

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关键词: Gossypium hirsutum; Drought; ORP genes; VIGS

期刊名称:BMC GENOMICS ( 影响因子:4.4; 五年影响因子:4.7 )

ISSN: 1471-2164

年卷期: 2023 年 24 卷 1 期

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收录情况: SCI

摘要: Background ORP (Oxysterol-binding protein-related proteins) genes play a role in lipid metabolism, vesicular transferring and signaling, and non-vesicular sterol transport. However, no systematic identification and analysis of ORP genes have been reported in cotton.Result In this study, we identified 14, 14, 7, and 7 ORP genes in G. hirsutum, G. barbadense, G. arboreum, and G. raimondii, respectively. Phylogenetic analysis showed that all ORP genes could be classified into four groups. Gene structure and conserved motif analysis suggest that the function of this gene family was conserved. The Ka/Ks analysis showed that this gene family was exposed to purifying selection during evolution. Transcriptome data showed that four ORP genes, especially GhORP_A02, were induced by abiotic stress treatment. The cis-acting elements in the ORP promoters were responsive to phytohormones and various abiotic stresses. The silenced plants of GhORP_A02 were more sensitive to drought stress when compared to control.Conclusion The major finding of this study shed light on the potential role of ORP genes in abiotic stress and provided a fundamental resource for further analysis in cotton.

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