Genetic mapping of a mouse ocular malformation locus, tcm, to chromosome 4

Genetic mapping of a mouse ocular malformation locus, tcm, to chromosome 4 The Tcm mutation in the mouse is an autosomal dominant ocular malformation manifesting as microphthalmia, iris dysplasia, cataract, and coloboma. As a first step to cloning the Tcm gene, we report the localization of the Tcm mutation with respect to known microsatellite markers. Backcross progeny carrying the Tcm mutation were produced by mating Tcm/+ heterozygous mice to normal C57BL/6 partners. Genomic DNA from each mouse was subjected to PCR analysis to identify simple sequence length polymorphisms. Our results locate Tcm to Chr 4 and suggest candidate genes responsible for the Tcm phenotype. Finally, ocular histopathology was done in 3-week-old animals to define the extent of the malformation. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Mammalian Genome Springer Journals

Genetic mapping of a mouse ocular malformation locus, tcm, to chromosome 4

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Publisher
Springer Journals
Copyright
Copyright © 1997 by Springer-Verlag
Subject
Life Sciences; Cell Biology; Anatomy; Zoology
ISSN
0938-8990
eISSN
1432-1777
D.O.I.
10.1007/s003359900385
Publisher site
See Article on Publisher Site

Abstract

The Tcm mutation in the mouse is an autosomal dominant ocular malformation manifesting as microphthalmia, iris dysplasia, cataract, and coloboma. As a first step to cloning the Tcm gene, we report the localization of the Tcm mutation with respect to known microsatellite markers. Backcross progeny carrying the Tcm mutation were produced by mating Tcm/+ heterozygous mice to normal C57BL/6 partners. Genomic DNA from each mouse was subjected to PCR analysis to identify simple sequence length polymorphisms. Our results locate Tcm to Chr 4 and suggest candidate genes responsible for the Tcm phenotype. Finally, ocular histopathology was done in 3-week-old animals to define the extent of the malformation.

Journal

Mammalian GenomeSpringer Journals

Published: Mar 23, 2009

References

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