Characterization of four VNTR loci on human Chromosome 6 |
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Authors: | Shuya Takiguchi Susumu Saito Yusuke Nakamura |
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Institution: | (1) Department of Biochemistry, Cancer Institute, 1-37-1, Kami-Ikebukuro, Toshima, 170 Tokyo, Japan;(2) SRL, Inc., Komiya-cho, Hachioji, 192 Tokyo, Japan |
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Abstract: | We have determined DNA sequences of four VNTR loci; three in the peritelomeric region of Chromosome (Chr) 6q and one at 6p21. Heterozygosities of these loci among 80 CEPH parents are 78% (D6S139), 69% (D6S149), 76% (D6S161), and 94% (D6S193), respectively. The consensus sequences of repeating units at these VNTR loci are GAGCGGGCAGGGGCAGCGGGGCCTGGCCAGAGAG-(34 bp) at D6S139, CCAGGCTGGTTCACAGGCTGTGGGGTGTGATGGGTGATG (39 bp) at D6S149, GGATGGGGTTGGAGGAACTACAGAGCGGTGGTGAAGAGGA (40 bp) at D6S161, and GAGGAGGTGGGGCCT (16 bp) at D6S193. The GC content of the consensus sequences is 62% as high as reported previously. Furthermore, we have established a PCR assay for D6S193 locus and this will be useful for individual identification or for a study of loss of heterozygosity on the long arm of Chr 6 in malignant tumors. |
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