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Genomics. 1993 Jul;17(1):153-62.

High-resolution cytogenetic mapping of 342 new cosmid markers including 43 RFLP markers on human chromosome 17 by fluorescence in situ hybridization.

Author information

1
Department of Hygiene, Kyoto Prefectural University of Medicine, Japan.

Abstract

We have constructed a high-resolution cytogenetic map of human chromosome 17 with 342 cosmid markers, each newly isolated from a cosmid library constructed from a human-mouse hybrid cell line containing a single human chromosome 17. Direct mapping on R- and/or G-banded (pro)metaphase chromosomes by fluorescence in situ hybridization localized these markers throughout the chromosome, although density was highest in the R-band-dominant regions of 17p13, 17p11.2, 17q11.2-q12, 17q21.3, 17q23, and 17q25. By screening some of the cosmid clones, we identified 71 polymorphic systems with 43 markers; 11 of these are VNTRs. As our high-resolution cytogenetic map contains a large number of markers, it can provide useful landmarks for a contig map of chromosome 17. Furthermore, the map will contribute to positional cloning of aberrant genes responsible for inherited diseases such as Miller-Dieker syndrome (MDS), Smith-Magenis syndrome (SMS), and familial early-onset breast cancer, as well as putative tumor suppressor genes on this chromosome.

PMID:
8104866
DOI:
10.1006/geno.1993.1297
[Indexed for MEDLINE]

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