The transcription factor TCFL5 responds to A MYB to elaborate the male meiotic program in mice

Katharine Cecchini, Adriano Biasini, Tianxiong Yu, Martin Säflund, Haiwei Mou, Amena Arif, Atiyeh Eghbali, Cansu Colpan, Ildar Gainetdinov, Dirk G de Rooij, Zhiping Weng, Phillip Zamore, Deniz M Ozata

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

In male mice, the transcription factors STRA8 and MEISON initiate meiosis I. We report that STRA8/MEISON activates the transcription factors A-MYB and TCFL5, which together reprogram gene expression after spermatogonia enter into meiosis. TCFL5 promotes the transcription of genes required for meiosis, mRNA turnover, miR-34/449 production, meiotic exit, and spermiogenesis. This transcriptional architecture is conserved in rhesus macaque, suggesting TCFL5 plays a central role in meiosis and spermiogenesis in placental mammals. Tcfl5em1/em1 mutants are sterile, and spermatogenesis arrests at the mid- or late-pachytene stage of meiosis. Moreover, Tcfl5+/em1 mutants produce fewer motile sperm.

Original languageEnglish
Article numberREP-22-0355
Pages (from-to)183-196
Number of pages14
JournalReproduction
Volume165
Issue number2
Early online date1 Nov 2022
DOIs
Publication statusPublished - 1 Feb 2023

Keywords

  • TCFL5
  • spermatogenesis
  • meiosis
  • A-MYB
  • transcription factors network,
  • miR-34/449
  • Dna methylation
  • Motile ciliogenesis
  • Meiosis
  • Pirna production
  • Protein
  • Dynamics
  • Network
  • Clusters
  • Family
  • Mili

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