Structural Proteins of the SMC (Structural Maintenance of Chromosomes) Family and Their Role in Chromatin Reorganization

Structural Proteins of the SMC (Structural Maintenance of Chromosomes) Family and Their Role in... Structural chromatin proteins of the SMC (Structural Maintenance of Chromosomes) family play an important role in structural DNA reorganization in pro- and eukaryotes. Eukaryotic SMC proteins are the core components of the cohesin and condensin complexes. The cohesin complex is responsible for sister chromatid and homolog cohesion in mitosis and meiosis. The condensin complex uses ATP energy to induce positive coiled-coils in DNA, which results in compaction of the latter and formation of mitotic chromosome scaffold. In addition, the SMC proteins constitute recombination and recombination repair complexes. In hermaphrodites of nematode Caenorhabditis elegans, the SMC protein-containing complex controls dosage compensation and inactivation of the X chromosome genes. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

Structural Proteins of the SMC (Structural Maintenance of Chromosomes) Family and Their Role in Chromatin Reorganization

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Publisher
Springer Journals
Copyright
Copyright © 2003 by MAIK “Nauka/Interperiodica”
Subject
Biomedicine; Human Genetics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1023/A:1026110508147
Publisher site
See Article on Publisher Site

Abstract

Structural chromatin proteins of the SMC (Structural Maintenance of Chromosomes) family play an important role in structural DNA reorganization in pro- and eukaryotes. Eukaryotic SMC proteins are the core components of the cohesin and condensin complexes. The cohesin complex is responsible for sister chromatid and homolog cohesion in mitosis and meiosis. The condensin complex uses ATP energy to induce positive coiled-coils in DNA, which results in compaction of the latter and formation of mitotic chromosome scaffold. In addition, the SMC proteins constitute recombination and recombination repair complexes. In hermaphrodites of nematode Caenorhabditis elegans, the SMC protein-containing complex controls dosage compensation and inactivation of the X chromosome genes.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Oct 7, 2004

References

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