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Am J Hum Genet. 1990 Apr;46(4):762-75.

A yeast artificial chromosome telomere clone spanning a possible location of the Huntington disease gene.

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  • 1Department of Genome Analysis, Imperial Cancer Research Fund, London, England.


The Huntington disease (HD) gene has been mapped to the most distal subband of chromosome 4p. Analysis of recombination events has not provided an unequivocal location of the HD gene, but it indicates a position very close to the telomere as one possibility. We have constructed a yeast artificial chromosome (YAC) vector (containing a rare-cutter polylinker) for the cloning of mammalian telomeres, used it to prepare a BssHII-telomere library with DNA from an individual homozygous for HD, and have identified a 115-kb clone containing the telomere of 4p. One probable recombinant would confine the telomeric candidate location for the gene to the region covered by the YAC, which makes it possible that the clone described here contains the HD locus in its mutant form.

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