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Meiotic Prophase Requires Proteolysis of M Phase Regulators Mediated by the Meiosis-Specific APC/C-Ama1

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons78964

Argüello-Miranda,  Orlando
Zachariae, Wolfgang / Chromosome Biology, Max Planck Institute of Biochemistry, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons78966

Bogdanova,  Aliona
Zachariae, Wolfgang / Chromosome Biology, Max Planck Institute of Biochemistry, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons78968

Markova,  Zuzana
Zachariae, Wolfgang / Chromosome Biology, Max Planck Institute of Biochemistry, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons78970

Zagoriy,  Ievgeniia
Zachariae, Wolfgang / Chromosome Biology, Max Planck Institute of Biochemistry, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons78916

Zachariae,  Wolfgang
Zachariae, Wolfgang / Chromosome Biology, Max Planck Institute of Biochemistry, Max Planck Society;

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Zitation

Okaz, E., Argüello-Miranda, O., Bogdanova, A., Vinod, P. K., Lipp, J. J., Markova, Z., et al. (2012). Meiotic Prophase Requires Proteolysis of M Phase Regulators Mediated by the Meiosis-Specific APC/C-Ama1. CELL, 151(3), 603-618. doi:10.1016/j.cell.2012.08.044.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-000E-7761-6
Zusammenfassung
Whereas proliferating cells enter M phase shortly after DNA replication, the first M phase of meiosis is preceded by an extended prophase in which homologous chromosomes undergo recombination. Exit from prophase I is controlled by the recombination checkpoint (RC), which, in yeast, represses the meiosis-specific transcription factor Ndt80 required for the expression of B-type cyclins and other M phase regulators. We show that an extended prophase I additionally requires the suppression of latent, mitotic cell-cycle controls by the anaphase-promoting complex (APC/C) and its meiosis-specific activator Ama1, which trigger the degradation of M phase regulators and Ndd1, a subunit of a mitotic transcription factor. ama1 Delta mutants exit from prophase I prematurely and independently of the RC, which results in recombination defects and chromosome missegregation. Thus, control of prophase I by meiotic mechanisms depends on the suppression of the alternative, mitotic mechanisms by a meiosis-specific form of the APC/C.