MBE Advance Access originally published online on December 5, 2003
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Mol. Biol. Evol. 21(2):332-347. 2004
DOI: 10.1093/molbev/msh023
© 2004 by the Society for Molecular Biology and Evolution. ISSN: 0737-4038
The Evolution of SMC Proteins: Phylogenetic Analysis and Structural Implications
Wellcome Trust Centre for Cell Biology, Institute of Cell and Molecular Biology, University of Edinburgh, United Kingdom
E-mail: margarete.heck{at}ed.ac.uk.
The SMC proteins are found in nearly all living organisms examined, where they play crucial roles in mitotic chromosome dynamics, regulation of gene expression, and DNA repair. We have explored the phylogenetic relationships of SMC proteins from prokaryotes and eukaryotes, as well as their relationship to similar ABC ATPases, using maximum-likelihood analyses. We have also investigated the coevolution of different domains of eukaryotic SMC proteins and attempted to account for the evolutionary patterns we have observed in terms of available structural data. Based on our analyses, we propose that each of the six eukaryotic SMC subfamilies originated through a series of ancient gene duplication events, with the condensins evolving more rapidly than the cohesins. In addition, we show that the SMC5 and SMC6 subfamily members have evolved comparatively rapidly and suggest that these proteins may perform redundant functions in higher eukaryotes. Finally, we propose a possible structure for the SMC5/SMC6 heterodimer based on patterns of coevolution.
Key Words: SMC phylogeny condensin cohesin ABC ATPases maximum likelihood
![]()
CiteULike
Connotea
Del.icio.us What's this?
This article has been cited by other articles:
![]() |
X. Duan, Y. Yang, Y.-H. Chen, J. Arenz, G. K. Rangi, X. Zhao, and H. Ye Architecture of the Smc5/6 Complex of Saccharomyces cerevisiae Reveals a Unique Interaction between the Nse5-6 Subcomplex and the Hinge Regions of Smc5 and Smc6 J. Biol. Chem., March 27, 2009; 284(13): 8507 - 8515. [Abstract] [Full Text] [PDF] |
||||
![]() |
C. Guthlein, R. M. Wanner, P. Sander, E. C. Bottger, and B. Springer A Mycobacterial smc Null Mutant Is Proficient in DNA Repair and Long-Term Survival J. Bacteriol., January 1, 2008; 190(1): 452 - 456. [Abstract] [Full Text] [PDF] |
||||
![]() |
W. She, Q. Wang, E. A. Mordukhova, and V. V. Rybenkov MukEF Is Required for Stable Association of MukB with the Chromosome J. Bacteriol., October 1, 2007; 189(19): 7062 - 7068. [Abstract] [Full Text] [PDF] |
||||
![]() |
M. D. Cervantes, R. S. Coyne, X. Xi, and M.-C. Yao The Condensin Complex Is Essential for Amitotic Segregation of Bulk Chromosomes, but Not Nucleoli, in the Ciliate Tetrahymena thermophila Mol. Cell. Biol., June 15, 2006; 26(12): 4690 - 4700. [Abstract] [Full Text] [PDF] |
||||
![]() |
Q. Wang, E. A. Mordukhova, A. L. Edwards, and V. V. Rybenkov Chromosome Condensation in the Absence of the Non-SMC Subunits of MukBEF. J. Bacteriol., June 1, 2006; 188(12): 4431 - 4441. [Abstract] [Full Text] [PDF] |
||||
![]() |
N. Cobbe, E. Savvidou, and M. M. S. Heck Diverse Mitotic and Interphase Functions of Condensins in Drosophila Genetics, February 1, 2006; 172(2): 991 - 1008. [Abstract] [Full Text] [PDF] |
||||
![]() |
E. Savvidou, N. Cobbe, S. Steffensen, S. Cotterill, and M. M. S. Heck Drosophila CAP-D2 is required for condensin complex stability and resolution of sister chromatids J. Cell Sci., June 1, 2005; 118(11): 2529 - 2543. [Abstract] [Full Text] [PDF] |
||||
![]() |
A. Losada and T. Hirano Dynamic molecular linkers of the genome: the first decade of SMC proteins Genes & Dev., June 1, 2005; 19(11): 1269 - 1287. [Abstract] [Full Text] [PDF] |
||||
![]() |
L. Aragon Sumoylation: A new wrestler in the DNA repair ring PNAS, March 29, 2005; 102(13): 4661 - 4662. [Full Text] [PDF] |
||||
![]() |
J. Sergeant, E. Taylor, J. Palecek, M. Fousteri, E. A. Andrews, S. Sweeney, H. Shinagawa, F. Z. Watts, and A. R. Lehmann Composition and Architecture of the Schizosaccharomyces pombe Rad18 (Smc5-6) Complex Mol. Cell. Biol., January 1, 2005; 25(1): 172 - 184. [Abstract] [Full Text] [PDF] |
||||






