Establishing and dissolving cohesion during the vertebrate cell cycle.

Replicated chromatids are held together from the time they emerge from the replication fork until their separation in anaphase. This process, known as cohesion, promotes faithful DNA repair by homologous recombination in interphase and ensures accurate chromosome segregation in mitosis. Identificati...

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Authors: Morales, Carmen; Losada, Ana
Format: Article
Publication date:2018
Country:España
Institution:Instituto de Salud Carlos III (ISCIII)
Repository:Repisalud
Language:English
OAI Identifier:oai:repisalud.isciii.es:20.500.12105/26236
Online Access:https://hdl.handle.net/20.500.12105/26236
Access Level:Open access
Keyword:SISTER-CHROMATID COHESION
CHROMOSOME BI-ORIENTATION
DNA-REPLICATION
AURORA B
CENTROMERIC COHESION
STRUCTURAL BASIS
LOADER SCC2
ACETYLATION
WAPL
MITOSIS
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author Morales, Carmen
author2 Losada, Ana
author2_role author
author_browse Losada, Ana
Morales, Carmen
author_facet Morales, Carmen
Losada, Ana
author_role author
collection Repisalud
description Replicated chromatids are held together from the time they emerge from the replication fork until their separation in anaphase. This process, known as cohesion, promotes faithful DNA repair by homologous recombination in interphase and ensures accurate chromosome segregation in mitosis. Identification of cohesin thirty years ago solved a long-standing question about the nature of the linkage keeping together the sister chromatids. Cohesin is an evolutionarily conserved complex composed of a heterodimer of the Structural Maintenance of Chromosomes (SMC) family of ATPases, Smc1 and Smc3, the kleisin subunit Rad21 and a Huntingtin/EF3/PP2A/Tor1 (HEAT) repeat domain-containing subunit named SA/STAG. In addition to mediating cohesion, cohesin plays a major role in genome organization. Cohesin functions rely on the ability of the complex to entrap DNA topologically and in a dynamic manner. Establishment of cohesion during S phase requires coordination with the DNA replication machinery and restricts the dynamic behaviour of at least a fraction of cohesin. Dissolution of cohesion in subsequent mitosis is regulated by multiple mechanisms that ensure that daughter cells receive the correct number of intact chromosomes. We here review recent progress on our understanding of how these processes are regulated in somatic vertebrate cells.
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publishDate 2018
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spelling Establishing and dissolving cohesion during the vertebrate cell cycle. Morales, Carmen Losada, Ana SISTER-CHROMATID COHESION CHROMOSOME BI-ORIENTATION DNA-REPLICATION AURORA B CENTROMERIC COHESION STRUCTURAL BASIS LOADER SCC2 ACETYLATION WAPL MITOSIS Replicated chromatids are held together from the time they emerge from the replication fork until their separation in anaphase. This process, known as cohesion, promotes faithful DNA repair by homologous recombination in interphase and ensures accurate chromosome segregation in mitosis. Identification of cohesin thirty years ago solved a long-standing question about the nature of the linkage keeping together the sister chromatids. Cohesin is an evolutionarily conserved complex composed of a heterodimer of the Structural Maintenance of Chromosomes (SMC) family of ATPases, Smc1 and Smc3, the kleisin subunit Rad21 and a Huntingtin/EF3/PP2A/Tor1 (HEAT) repeat domain-containing subunit named SA/STAG. In addition to mediating cohesion, cohesin plays a major role in genome organization. Cohesin functions rely on the ability of the complex to entrap DNA topologically and in a dynamic manner. Establishment of cohesion during S phase requires coordination with the DNA replication machinery and restricts the dynamic behaviour of at least a fraction of cohesin. Dissolution of cohesion in subsequent mitosis is regulated by multiple mechanisms that ensure that daughter cells receive the correct number of intact chromosomes. We here review recent progress on our understanding of how these processes are regulated in somatic vertebrate cells. Elsevier https://hdl.handle.net/20.500.12105/26236
spellingShingle Establishing and dissolving cohesion during the vertebrate cell cycle.
Morales, Carmen
SISTER-CHROMATID COHESION
CHROMOSOME BI-ORIENTATION
DNA-REPLICATION
AURORA B
CENTROMERIC COHESION
STRUCTURAL BASIS
LOADER SCC2
ACETYLATION
WAPL
MITOSIS
title Establishing and dissolving cohesion during the vertebrate cell cycle.
title_full Establishing and dissolving cohesion during the vertebrate cell cycle.
title_fullStr Establishing and dissolving cohesion during the vertebrate cell cycle.
title_full_unstemmed Establishing and dissolving cohesion during the vertebrate cell cycle.
title_short Establishing and dissolving cohesion during the vertebrate cell cycle.
title_sort Establishing and dissolving cohesion during the vertebrate cell cycle.
topic SISTER-CHROMATID COHESION
CHROMOSOME BI-ORIENTATION
DNA-REPLICATION
AURORA B
CENTROMERIC COHESION
STRUCTURAL BASIS
LOADER SCC2
ACETYLATION
WAPL
MITOSIS
topic_facet SISTER-CHROMATID COHESION
CHROMOSOME BI-ORIENTATION
DNA-REPLICATION
AURORA B
CENTROMERIC COHESION
STRUCTURAL BASIS
LOADER SCC2
ACETYLATION
WAPL
MITOSIS
url https://hdl.handle.net/20.500.12105/26236