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Control of ciliary transcriptional programs during spermatogenesis by antagonistic transcription factors

ABSTRACT: Cilia and flagella are dynamicallyregulatedduring development and differentiation. Coordination of temporal and spatial transcription regulators are essential for ciliogenesis. We here report that XAP5 and XAP5L are two conserved pairs of antagonistic transcription regulators that control ciliary transcriptional programs during spermatogenesis. Male mice lacking either XAP5 or XAP5L display infertility, as a result of meiotic prophase arrest and sperm cilia malformation, respectively. XAP5 positively regulates the ciliary gene expression by activating the key regulators including FOXJ1 and RFX families during the early stage of spermatogenesis. In contrast, XAP5L negatively regulates the expression of ciliary genes via repressing these ciliary transcription factors during the spermiogenesis stage. Taken together, our data provide new insights into the mechanisms by which temporal and spatial transcription regulators are coordinated to control ciliary transcriptional programs during spermatogenesis.

ORGANISM(S): Mus musculus

PROVIDER: GSE236388 | GEO | 2023/07/06

REPOSITORIES: GEO

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