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Published on: July 30, 2014
Mapping of the mouse actin capping protein beta subunit gene
M C Hart1, Y O Korshunova, J A Cooper
1Winona State University, Winona, MN 55987, USA. mhart@VAX2.WINONA.MSUS.EDU
BMC Genomics
|September 23, 2000
Summary
Capping protein beta subunit gene (Cappb1) was located on mouse Chromosome 4. This finding is significant for understanding actin regulation and cellular functions, potentially linking to known mouse mutations.
Area of Science:
- Molecular Biology
- Genetics
- Cell Biology
Background:
- Capping protein (CP), composed of alpha and beta subunits, regulates actin filament dynamics in all eukaryotes.
- CP controls actin assembly and cell motility by binding to the barbed ends of actin filaments.
- Vertebrates possess three CPbeta isoforms from alternative splicing, unlike lower organisms with a single isoform.
Purpose of the Study:
- To isolate genomic clones for the mouse CP beta subunit.
- To determine the chromosomal location of the mouse CP beta subunit gene.
Main Methods:
- Isolation of genomic clones for the mouse CP beta subunit.
- Interspecies backcross mapping to identify chromosomal location.
Main Results:
- Genomic clones for the mouse CP beta subunit were successfully isolated.
- The CPbeta gene (Cappb1) was mapped to mouse Chromosome 4.
- The gene's location is between the Cdc42 and D4Mit312 markers.
Conclusions:
- The mouse CPbeta gene, Cappb1, is located on Chromosome 4.
- Three mouse mutations (snubnose, curly tail, cribriform degeneration) are located near the CPbeta gene, suggesting potential functional links.
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