Genome-Wide Analysis of the Hsf Gene Family in and Function in Thermotolerance

Overview

Journal Int J Mol Sci

Publisher MDPI

Date 2025 Jan 11

PMID 39796142

Authors

Yanhui Kang

Pei Sun

Yuan Yang

Maofu Li

Hua Wang

Xiangyi Sun

Wanmei Jin

Affiliations

Soon will be listed here.

Abstract

Heat shock transcription factors (Hsfs) play an important role in response to high temperatures by binding to the promoter of the heat shock protein gene to promote its expression. As an important ornamental plant, the rose often encounters heat stress during the flowering process. However, there are few studies on the family in roses (). In the current study, 19 genes were identified from and grouped into three main subfamilies (A, B, and C) according to their structural characteristics and phylogenetic analysis. The expression patterns of genes were detected in different tissues by quantitative real-time PCR. The genes exhibited distinct expression patterns at high temperatures, with having the highest expression level. was localized in the nucleus and had transcriptional activity. The overexpression of increased thermotolerance in , suggesting the potential role of in the regulation of the high-temperature response. In addition, overexpressed in could enhance the response of transgenic to methyl jasmonate. Collectively, this study identified and screened in response to high temperatures in roses, providing new insights into the functional divergence of and a basis for screening new varieties of rose.

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