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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Conservation of hotspots for recombination in low-copy repeats associated with the NF1 microdeletion.

Several large-scale studies of human genetic variation have provided insights into processes such as recombination that have shaped human diversity. However, regions such as low-copy repeats (LCRs) have proven difficult to characterize, hindering efforts to understand the processes operating in these regions. We present a detailed study of genetic variation and underlying recombination processes in two copies of an LCR (NF1REPa and NF1REPc) on chromosome 17 involved in the generation of NF1 microdeletions and in a third copy (REP19) on chromosome 19 from which the others originated over 6.7 million years ago. We find evidence for shared hotspots of recombination among the LCRs. REP19 seems to contain hotspots in the same place as the nonallelic recombination hotspots in NF1REPa and NF1REPc. This apparent conservation of patterns of recombination hotspots in moderately diverged paralogous regions contrasts with recent evidence that these patterns are not conserved in less-diverged orthologous regions of chimpanzees.[1]


  1. Conservation of hotspots for recombination in low-copy repeats associated with the NF1 microdeletion. Raedt, T.D., Stephens, M., Heyns, I., Brems, H., Thijs, D., Messiaen, L., Stephens, K., Lazaro, C., Wimmer, K., Kehrer-Sawatzki, H., Vidaud, D., Kluwe, L., Marynen, P., Legius, E. Nat. Genet. (2006) [Pubmed]
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