MBE Advance Access published online on October 31, 2003
Molecular Biology and Evolution, doi:10.1093/molbev/msh007
Molecular Biology and Evolution © Society for Molecular Biology and Evolution 2003; all rights reserved
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1 Departamento de Bioquímica y Biología Molecular, Facultad de Biología, Universidad de Santiago, 15782 Santiago de Compostela, Galicia, Spain
* To whom correspondence should be addressed. E-mail: bnjgm{at}usc.es.
One of the most exciting challenges in human biology is the understanding of how our genome was constructed during evolution. Here we explore the evolutionary history of the low polymorphic human minisatellite MsH42 and its flanking sequences. We show that the evolutionary birth of MsH42 took place within an intron, early in primate lineage evolution, more than 40 million years ago. Then, single-base pair changes and duplications/deletions of repeat blocks by mispairing were probably the main forces governing the generation of this minisatellite and its polymorphism throughout primate evolution. Moreover, we detected several phylogenetic footprints at both sides of MsH42. We believe that our findings will contribute to the understanding of low-variability minisatellite evolution. Key Words:
Minisatellite evolution, phylogenetic footprint, primates, human minisatellite MsH42
© 2003 Society for Molecular Biology and Evolution
Original Articles
Birth and Evolutionary History of a Human Minisatellite
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