Genome-Wide Identification and Characterization of Hsf and Hsp Gene Families and Gene Expression Analysis under Heat Stress in Eggplant (Solanum melongema L.)
文献类型： 外文期刊
作者： Gong, Chao 1 ; Pang, Qiangqiang 1 ; Li, Zhiliang 1 ; Li, Zhenxing 1 ; Chen, Riyuan 2 ; Sun, Guangwen 2 ; Sun, Baojuan 1 ;
作者机构： 1.Guangdong Acad Agr Sci, Vegetable Res Inst, Guangdong Key Lab New Technol Res Vegetables, Guangzhou 510640, Peoples R China
2.South China Agr Univ, Coll Hort, Guangzhou 510640, Peoples R China
3.Hainan Acad Agr Sci, Vegetable Res Inst, Haikou 571100, Hainan, Peoples R China
关键词： eggplant; heat shock factor (Hsf); heat shock protein (Hsp); heat stress; thermotolerance
期刊名称：HORTICULTURAE （ 影响因子：2.331； 五年影响因子：2.951 ）
ISSN：
年卷期： 2021 年 7 卷 6 期
页码：
收录情况： SCI
摘要： Under high temperature stress, a large number of proteins in plant cells will be denatured and inactivated. Meanwhile Hsfs and Hsps will be quickly induced to remove denatured proteins, so as to avoid programmed cell death, thus enhancing the thermotolerance of plants. Here, a comprehensive identification and analysis of the Hsf and Hsp gene families in eggplant under heat stress was performed. A total of 24 Hsf-like genes and 117 Hsp-like genes were identified from the eggplant genome using the interolog from Arabidopsis. The gene structure and motif composition of Hsf and Hsp genes were relatively conserved in each subfamily in eggplant. RNA-seq data and qRT-PCR analysis showed that the expressions of most eggplant Hsf and Hsp genes were increased upon exposure to heat stress, especially in thermotolerant line. The comprehensive analysis indicated that different sets of SmHsps genes were involved downstream of particular SmHsfs genes. These results provided a basis for revealing the roles of SmHsps and SmHsp for thermotolerance in eggplant, which may potentially be useful for understanding the thermotolerance mechanism involving SmHsps and SmHsp in eggplant.
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