Nucleotide Sequence Surrounding the Locus Marker D21S246 on Human Chromosome 21 |
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Authors: | Yamazaki Masaaki; Ono Ayako; Watanabe Koji; Sasaki Kuniaki; Tashiro Hiroyuki; Nomura Toru |
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Institution: | BioScience Research Laboratory, FUJIYA Co., Ltd. 228 Soya, Hadano-shi, Kanagawa 257, Japan |
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Abstract: | Most ofthe human Not I linking clones identified to date areconsidered to be derived from CpG islands because ofthe recognitionsequence of this enzyme, and CpG islands have been reportedto be located around the 5' regions of genes. As a pilot study,we determined the complete nucleotide sequence (41,924 bp) ofa human cosmid clone (LL21NC02Q7A10) containing the marker D21S246originating from a Not I linking clone. As a result of sequenceanalysis, we successfully mapped and revealed the genomic genestructure for KIAA0002 previously reported as a cDNA clone.This gene consists of 15 exons and was shown to exist at theD21S246 locus on human chromosome 21q21.3q22.1. Theseresults demonstrated that genomic marker-anchored DNA sequencingis a useful approach for the human genome project. |
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Keywords: | Not I linking clone CpG island human chromosome 21 genome project |
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