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Physical mapping of the human hprt chromosomal region (Xq26)
M J Lippert1, R J Albertini, J A Nicklas
1University of Vermont, VCC Genetics Laboratory, Burlington 05401.
Mutation Research
|January 1, 1995
Abstract:
The human hprt chromosomal region (Xq26) was physical-mapped using pulsed field gel electrophoresis (PFGE). This work involved: (i) the recovery of three new genomic DNA markers (DXS1327, DXS1328, and DXS1329), (ii) the ordering of new markers relative to 11 previously available hprt-linked markers by deletion mapping, and (iii) the completion of human T-lymphocyte PFGE Southern blots using the 14 Xq26 markers. A contiguous 1.5-Mb physical map of the region telomeric to hprt was determined. As this map identifies clusters of in vivo unmethylated rare-cutter restriction sites, potential CpG islands are revealed.