Nature Communications (Jul 2021)

A prometaphase mechanism of securin destruction is essential for meiotic progression in mouse oocytes

  • Christopher Thomas,
  • Benjamin Wetherall,
  • Mark D. Levasseur,
  • Rebecca J. Harris,
  • Scott T. Kerridge,
  • Jonathan M. G. Higgins,
  • Owen R. Davies,
  • Suzanne Madgwick

DOI
https://doi.org/10.1038/s41467-021-24554-2
Journal volume & issue
Vol. 12, no. 1
pp. 1 – 13

Abstract

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Securin inhibits the protease separase and must be removed before anaphase to ensure timely chromosome segregation. Here, the authors define a mechanism of securin destruction in prometaphase I in mouse oocytes and demonstrate its importance for successful meiotic progression.