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  • Title: Fine mapping of the usher syndrome type IC to chromosome 11p14 and identification of flanking markers by haplotype analysis.
    Author: Ayyagari R, Li Y, Smith RJ, Pelias MZ, Hejtmancik JF.
    Journal: Mol Vis; 1995 Oct 25; 1():2. PubMed ID: 9238080.
    Abstract:
    PURPOSE: To refine the map position of the Usher syndrome type 1C (USH1C) locus to 11p14-p15.1 in the French-Acadian population settled in Louisiana. METHODS: Linkage and haplotype analysis of Ush1C in the French-Acadian families from southwestern Louisiana was carried out using additional markers known to map to the USH1C interval. Markers localized to 11p were also mapped on the J1 somatic cell hybrid panel. This analysis also helped to localize precisely the USH1C interval. RESULTS: New flanking markers for USH1C have been identified, localizing the USH1C gene to a 1 cM interval between markers D11S1397 and D11S1888. Markers D11S1890 and D11S1888 were placed within the USH1C interval. Analysis of all the markers in the USH1C region flanked by D11S1397 and D11S1888 on the J1 somatic cell hybrid panel localized USH1C to the upper half of chromosome 11p14. CONCLUSION: The Usher Syndrome type 1C gene has been localized to a 1 cM interval between the markers D11S1397 and D11S1888 on chromosome 11p14.
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