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  • Title: A set of ninety-seven overlapping yeast artificial chromosome clones spanning the human Y chromosome euchromatin.
    Author: Jones MH, Khwaja OS, Briggs H, Lambson B, Davey PM, Chalmers J, Zhou CY, Walker EM, Zhang Y, Todd C.
    Journal: Genomics; 1994 Nov 15; 24(2):266-75. PubMed ID: 7698748.
    Abstract:
    Contiguous arrays of yeast artificial chromosomes (YACs) extending from proximal heterochromatic Yq into the pseudoautosomal portion of the Y chromosome and separated by a small interval at the centromere have been constructed. A total of 97 YACs have been aligned along the Y chromosome by STS content analysis using 222 sequence tagged sites (STSs) that detect 263 loci. Forty-five of the STSs used are novel. Their inclusion provides a significant improvement over previously available maps on the density of STS coverage along the Y chromosome, reducing the average spacing to 120 kb assuming a length of 30 Mb for the euchromatin. The average size of 61 YACs determined by pulsed-field gel electrophoresis analysis was at least 0.9 Mb. Minor differences noted between the ordering of STSs on this map compared with those previously reported may be attributed to inherent polymorphism between the Y chromosomes used to construct the YAC libraries.
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