Genetic mapping of the rat mutation creeping and evaluation of its positional candidate gene reelin

Genetic mapping of the rat mutation creeping and evaluation of its positional candidate gene reelin We have previously described a rat autosomal recessive mutation, creeping (cre), causing severe ataxia and disarrangement of neuronal cells in the central nervous system. The mutant strain has recently been successfully inbred, named Komeda Zucker creeping (KZC) rat. In the present study, we have performed a genetic analysis of the creeping mutation, and mapped it to rat Chromosome (Chr) 4. Comparative mapping, together with the similarity of the phenotype, suggested that the creeping mutation is homologous to the mouse reeler mutation. In fact, reelin expression was markedly reduced in the homozygous mutant (cre/cre) animals compared with the normal littermates. Thus, the KZC rat should become a useful biological model with a novel mutation in the reelin gene. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Mammalian Genome Springer Journals

Genetic mapping of the rat mutation creeping and evaluation of its positional candidate gene reelin

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Publisher
Springer-Verlag
Copyright
Copyright © 2000 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/s003350010022
Publisher site
See Article on Publisher Site

Abstract

We have previously described a rat autosomal recessive mutation, creeping (cre), causing severe ataxia and disarrangement of neuronal cells in the central nervous system. The mutant strain has recently been successfully inbred, named Komeda Zucker creeping (KZC) rat. In the present study, we have performed a genetic analysis of the creeping mutation, and mapped it to rat Chromosome (Chr) 4. Comparative mapping, together with the similarity of the phenotype, suggested that the creeping mutation is homologous to the mouse reeler mutation. In fact, reelin expression was markedly reduced in the homozygous mutant (cre/cre) animals compared with the normal littermates. Thus, the KZC rat should become a useful biological model with a novel mutation in the reelin gene.

Journal

Mammalian GenomeSpringer Journals

Published: Feb 1, 2000

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