Abstract
A half-YAC clone derived from human chromosome 17p was mapped at high resolution using cosmid subclone fingerprint analysis. Colinearity of the half-YAC with the telomeric human genomic DNA fragment was ascertained by RecA-assisted restriction endonuclease cleavage mapping. Previously isolated and radiation hybrid-mapped markers TEL17P37, TEL17P49, and TEL17P80 mapped 30–60 kb from the 17p terminus. This sequence-ready map permits high-resolution integration of genetic maps with the DNA sequences directly adjacent to the tip of human chromosome 17p, and will provide the cloned DNA required for ascertaining the nucleotide sequence of this subtelomeric region.
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