Regional chromosome mapping of the human skin type I procollagen gene using adenovirus 12-fragmentation of human-mouse somatic cell hybrids

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Abstract
Previous work, using human-mouse somatic cell hybrids, has localized the structural gene for human skin type I procollagen (COL 1) to chromosome 17. One of these hybrids contained only the long arm of human chromosome 17, translocated onto a mouse chromosome, as human chromosomal material. This hybrid was treated with adenovirus 12, and various clones were picked which contained different-sized fragments of human chromosome 17 that were still translocated onto a mouse chromosome. Measurements of these fragments, combined with assays for human COL 1 production and galactose kinase (GAK) activity (also localized on the long arm of human chromosome 17), has allowed us to regionally map the structural gene for human COL 1 to an area just distal to the thymidine kinase (TK) and GAK genes within bands q21 and q22 on human chromosome 17.