Aurora B and condensin are dispensable for chromosome arm and telomere separation during meiosis II

Author:

Berthezene Julien1,Reyes Céline1,Li Tong1,Coulon Stéphane2,Bernard Pascal34,Gachet Yannick1,Tournier Sylvie1

Affiliation:

1. LBCMCP, Centre de Biologie Intégrative, Université de Toulouse, CNRS, UPS, 31062 Toulouse, France

2. CNRS, INSERM, Aix Marseille Univ, Institut Paoli-Calmettes, CRCM, 13273 Marseille, France

3. CNRS—Laboratory of Biology and Modelling of the Cell, UMR 5239, 69364 Lyon, France

4. ENS de Lyon, Université Lyon, F-69007 Lyon, France

Abstract

In fission yeast, Aurora B localizes at telomeres during meiosis I and promotes telomere and chromosome arm separation as observed in mitosis. Oppositely, in meiosis II, Aurora B and condensin appear dispensable for telomere and chromosome arm separation illustrating the critical differences in the control of chromosome segregation between mitosis and meiosis II.

Publisher

American Society for Cell Biology (ASCB)

Subject

Cell Biology,Molecular Biology

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