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Atypical heat shock transcription factor HSF5 is critical for male meiotic prophase under non-stress conditions
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Atypical heat shock transcription factor HSF5 is critical for male meiotic prophase under non-stress conditions
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Journal Article
Atypical heat shock transcription factor HSF5 is critical for male meiotic prophase under non-stress conditions
2024
Overview
Meiotic prophase progression is differently regulated in males and females. In males, pachytene transition during meiotic prophase is accompanied by robust alteration in gene expression. However, how gene expression is regulated differently to ensure meiotic prophase completion in males remains elusive. Herein, we identify HSF5 as a male germ cell-specific heat shock transcription factor (HSF) for meiotic prophase progression. Genetic analyzes and single-cell RNA-sequencing demonstrate that HSF5 is essential for progression beyond the pachytene stage under non-stress conditions rather than heat stress. Chromatin binding analysis in vivo and DNA-binding assays in vitro suggest that HSF5 binds to promoters in a subset of genes associated with chromatin organization. HSF5 recognizes a DNA motif different from typical heat shock elements recognized by other canonical HSFs. This study suggests that HSF5 is an atypical HSF that is required for the gene expression program for pachytene transition during meiotic prophase in males.
The regulation of meiotic prophase progression varies between males and females. This study reveals the involvement of an atypical heat shock transcription factor HSF5 in gene expression during male meiotic prophase and highlights the involved gene regulatory mechanism.
Publisher
Nature Publishing Group UK,Nature Publishing Group,Nature Portfolio
