The Hop2-Mnd1 Complex and Its Regulation of Homologous Recombination

Homologous recombination (HR) is essential for meiosis in most sexually reproducing organisms, where it is induced upon entry into meiotic prophase. Meiotic HR is conducted by the collaborative effort of proteins responsible for DNA double-strand break repair and those produced specifically during m...

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Main Author: Hideo Tsubouchi
Format: Article
Language:English
Published: MDPI AG 2023-04-01
Series:Biomolecules
Subjects:
Online Access:https://www.mdpi.com/2218-273X/13/4/662
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author Hideo Tsubouchi
author_facet Hideo Tsubouchi
author_sort Hideo Tsubouchi
collection DOAJ
description Homologous recombination (HR) is essential for meiosis in most sexually reproducing organisms, where it is induced upon entry into meiotic prophase. Meiotic HR is conducted by the collaborative effort of proteins responsible for DNA double-strand break repair and those produced specifically during meiosis. The Hop2-Mnd1 complex was originally identified as a meiosis-specific factor that is indispensable for successful meiosis in budding yeast. Later, it was found that Hop2-Mnd1 is conserved from yeasts to humans, playing essential roles in meiosis. Accumulating evidence suggests that Hop2-Mnd1 promotes RecA-like recombinases towards homology search/strand exchange. This review summarizes studies on the mechanism of the Hop2-Mnd1 complex in promoting HR and beyond.
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spelling doaj.art-f2bbe79913fb4b93b158a5ce3de6caea2023-11-17T18:29:35ZengMDPI AGBiomolecules2218-273X2023-04-0113466210.3390/biom13040662The Hop2-Mnd1 Complex and Its Regulation of Homologous RecombinationHideo Tsubouchi0Institute of Innovative Research, Tokyo Institute of Technology, Yokohama 226-8503, Kanagawa, JapanHomologous recombination (HR) is essential for meiosis in most sexually reproducing organisms, where it is induced upon entry into meiotic prophase. Meiotic HR is conducted by the collaborative effort of proteins responsible for DNA double-strand break repair and those produced specifically during meiosis. The Hop2-Mnd1 complex was originally identified as a meiosis-specific factor that is indispensable for successful meiosis in budding yeast. Later, it was found that Hop2-Mnd1 is conserved from yeasts to humans, playing essential roles in meiosis. Accumulating evidence suggests that Hop2-Mnd1 promotes RecA-like recombinases towards homology search/strand exchange. This review summarizes studies on the mechanism of the Hop2-Mnd1 complex in promoting HR and beyond.https://www.mdpi.com/2218-273X/13/4/662Dmc1homologous recombinationmeiosisRad51RecA homologssynaptonemal complex
spellingShingle Hideo Tsubouchi
The Hop2-Mnd1 Complex and Its Regulation of Homologous Recombination
Biomolecules
Dmc1
homologous recombination
meiosis
Rad51
RecA homologs
synaptonemal complex
title The Hop2-Mnd1 Complex and Its Regulation of Homologous Recombination
title_full The Hop2-Mnd1 Complex and Its Regulation of Homologous Recombination
title_fullStr The Hop2-Mnd1 Complex and Its Regulation of Homologous Recombination
title_full_unstemmed The Hop2-Mnd1 Complex and Its Regulation of Homologous Recombination
title_short The Hop2-Mnd1 Complex and Its Regulation of Homologous Recombination
title_sort hop2 mnd1 complex and its regulation of homologous recombination
topic Dmc1
homologous recombination
meiosis
Rad51
RecA homologs
synaptonemal complex
url https://www.mdpi.com/2218-273X/13/4/662
work_keys_str_mv AT hideotsubouchi thehop2mnd1complexanditsregulationofhomologousrecombination
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