Identification of human chromosome region 3p14.2-21.3-specific YAC clones using Alu-PCR products from a radiation hybrid

Thomas S. Siden, Johan Kumlien, Timothy Drumheller, Scott E. Smith, Dan Röhme, Hans Lehrach, David I. Smith

Research output: Contribution to journalArticle

3 Scopus citations

Abstract

Deletion of DNA sequences from at least three different regions on the short arm of human chromosome 3 (3p13-14, 3p21 and 3p25) are frequently observed during the development of many solid tumors, including lung cancers and renal cell carcinomas. In order to physically characterize the 3p21 region, we previously identified a radiation fusion hybrid that contained about 20 megabases of DNA from chromosome region 3p14.2-p21.3. In this study total Alu-PCR products from this hybrid were used as a probe to isolate 86 yeast artificial chromosomes (YAC) clones from a 620-kb average insert YAC library (ICRF). Sixty-nine Alu-PCR markers, generated from the YACs, and seven PCR primers were used to screen for overlaps between individual clones. Seven contigs were identified encompassing 32 YAC clones. Based on previous information about localization of the PCR primers, the three largest contigs could be assigned to smaller subregions between 3p14.2 and 3p21.3. By this work a large proportion of the 3p14.2-21.3 region is covered with large-insert YAC clones.

Original languageEnglish (US)
Pages (from-to)137-142
Number of pages6
JournalSomatic Cell and Molecular Genetics
Volume20
Issue number2
DOIs
StatePublished - Mar 1 1994

ASJC Scopus subject areas

  • Genetics
  • Cell Biology

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