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Article

Genome-Wide Identification and Characterization of Hsf and Hsp Gene Families and Gene Expression Analysis under Heat Stress in Eggplant (Solanum melongema L.)

1
Guangdong Key Laboratory for New Technology Research of Vegetables, Vegetable Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China
2
College of Horticulture, South China Agricultural University, Guangzhou 510640, China
3
Vegetable Research Institute, Hainan Academy of Agricultural Sciences, Haikou 571100, China
*
Authors to whom correspondence should be addressed.
These authors contributed equally to this work.
Academic Editor: Yuyang Zhang
Horticulturae 2021, 7(6), 149; https://doi.org/10.3390/horticulturae7060149
Received: 16 May 2021 / Revised: 2 June 2021 / Accepted: 3 June 2021 / Published: 10 June 2021
(This article belongs to the Special Issue Advances in Molecular Breeding of Vegetable Crops)
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. View Full-Text
Keywords: eggplant; heat shock factor (Hsf); heat shock protein (Hsp); heat stress; thermotolerance eggplant; heat shock factor (Hsf); heat shock protein (Hsp); heat stress; thermotolerance
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MDPI and ACS Style

Gong, C.; Pang, Q.; Li, Z.; Li, Z.; Chen, R.; Sun, G.; Sun, B. Genome-Wide Identification and Characterization of Hsf and Hsp Gene Families and Gene Expression Analysis under Heat Stress in Eggplant (Solanum melongema L.). Horticulturae 2021, 7, 149. https://doi.org/10.3390/horticulturae7060149

AMA Style

Gong C, Pang Q, Li Z, Li Z, Chen R, Sun G, Sun B. Genome-Wide Identification and Characterization of Hsf and Hsp Gene Families and Gene Expression Analysis under Heat Stress in Eggplant (Solanum melongema L.). Horticulturae. 2021; 7(6):149. https://doi.org/10.3390/horticulturae7060149

Chicago/Turabian Style

Gong, Chao, Qiangqiang Pang, Zhiliang Li, Zhenxing Li, Riyuan Chen, Guangwen Sun, and Baojuan Sun. 2021. "Genome-Wide Identification and Characterization of Hsf and Hsp Gene Families and Gene Expression Analysis under Heat Stress in Eggplant (Solanum melongema L.)" Horticulturae 7, no. 6: 149. https://doi.org/10.3390/horticulturae7060149

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