Complex probes for high-throughput parallel genetic mapping of genomic mouse BAC clones

Complex probes for high-throughput parallel genetic mapping of genomic mouse BAC clones We describe a novel approach for the identification and mapping of polymorphic markers. Amplicons are generated by ligation of double-stranded adaptor molecules to genomic DNA cleaved with a restriction enzyme. Using primers that extend beyond the restriction site, reduced-complexity subsets of fragments are generated by PCR. Differences in the composition of complex probes generated from DNA of different strains are revealed through hybridization against high-density filter grids of large-insert genomic clones. Genetic mapping of genomic clones is achieved by hybridizing complex probes derived from backcross animals against the polymorphic clones. The mouse was chosen as a model system to test the feasibility of this technique because of the general availability of backcross resources and genomic libraries. Nevertheless, we would expect the method to be of particular use to generate markers for species that have not yet been extensively studied, because a substantial number of easy-to-use markers can be recruited in a relatively short period of time. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Mammalian Genome Springer Journals

Complex probes for high-throughput parallel genetic mapping of genomic mouse BAC clones

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Publisher
Springer-Verlag
Copyright
Copyright © 1998 by Springer-Verlag New York Inc.
Subject
Life Sciences; Cell Biology; Animal Genetics and Genomics; Human Genetics
ISSN
0938-8990
eISSN
1432-1777
D.O.I.
10.1007/s003359900831
Publisher site
See Article on Publisher Site

Abstract

We describe a novel approach for the identification and mapping of polymorphic markers. Amplicons are generated by ligation of double-stranded adaptor molecules to genomic DNA cleaved with a restriction enzyme. Using primers that extend beyond the restriction site, reduced-complexity subsets of fragments are generated by PCR. Differences in the composition of complex probes generated from DNA of different strains are revealed through hybridization against high-density filter grids of large-insert genomic clones. Genetic mapping of genomic clones is achieved by hybridizing complex probes derived from backcross animals against the polymorphic clones. The mouse was chosen as a model system to test the feasibility of this technique because of the general availability of backcross resources and genomic libraries. Nevertheless, we would expect the method to be of particular use to generate markers for species that have not yet been extensively studied, because a substantial number of easy-to-use markers can be recruited in a relatively short period of time.

Journal

Mammalian GenomeSpringer Journals

Published: Aug 1, 1998

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