Genome-Wide Identification and Functional Characterization of the Heat Shock Factor Family in Eggplant (Solanum melongenaL.) under Abiotic Stress Conditions
文献类型： 外文期刊
作者： Wang, Jinglei 1 ; Hu, Haijiao 1 ; Wang, Wuhong 1 ; Wei, Qingzhen 1 ; Hu, Tianhua 1 ; Bao, Chonglai 1 ;
作者机构： 1.Zhejiang Acad Agr Sci, Inst Vegetables Res, Hangzhou 310021, Peoples R China
关键词： eggplant; heat shock factor; gene family; expression profile; abiotic stress
期刊名称：PLANTS-BASEL （ 影响因子：3.935； ）
ISSN：
年卷期： 2020 年 9 卷 7 期
页码：
收录情况： SCI
摘要： Plant heat shock factors (Hsfs) play crucial roles in various environmental stress responses. Eggplant (Solanum melongenaL.) is an agronomically important and thermophilic vegetable grown worldwide. Although the functions of Hsfs under environmental stress conditions have been characterized in the model plantArabidopsis thalianaand tomato, their roles in responding to various stresses remain unclear in eggplant. Therefore, we characterized the eggplant SmeHsf family and surveyed expression profiles mediated by the SmeHsfs under various stress conditions. Here, using reported Hsfs from other species as queries to search SmeHsfs in the eggplant genome and confirming the typical conserved domains, we identified 20 SmeHsf genes. The SmeHsfs were further classified into 14 subgroups on the basis of their structure. Additionally, quantitative real-time PCR revealed that SmeHsfs responded to four stresses-cold, heat, salinity and drought-which indicated that SmeHsfs play crucial roles in improving tolerance to various abiotic stresses. The expression pattern ofSmeHsfA6bexhibited the most immediate response to the various environmental stresses, except drought. The genome-wide identification and abiotic stress-responsive expression pattern analysis provide clues for further analysis of the roles and regulatory mechanism of SmeHsfs under environmental stresses.
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