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Chromosomal localization of mouse Cenpa gene
K J Fowler1, A J Newson, A C MacDonald
1The Murdoch Institute for Research into Birth Defects, Royal Children's Hospital, Parkville, Victoria, Australia. fowlerk@cryptic.rch.unimelb.edu.au
Cytogenetics and Cell Genetics
|January 1, 1997
Summary
Researchers pinpointed the mouse centromere protein A (Cenpa) gene on mouse Chromosome 5. This finding, compared to human gene mapping, suggests a newly identified region of conserved synteny between mice and humans.
Area of Science:
- Genetics
- Molecular Biology
- Comparative Genomics
Background:
- Centromere protein A (Cenpa) is crucial for kinetochore assembly and chromosome segregation.
- Understanding the genetic location of Cenpa aids in comparative genomic studies between species.
- Previous studies have established the importance of Cenpa in cell division.
Purpose of the Study:
- To determine the precise chromosomal localization of the mouse Cenpa gene.
- To compare the genomic location of mouse Cenpa with its human counterpart (CENPA).
- To identify potential regions of conserved synteny between mouse and human genomes.
Main Methods:
- Utilized a previously isolated mouse Cenpa probe for gene localization.
- Employed genetic mapping techniques on mouse chromosomes.
- Compared the mapped locus with known human CENPA gene location.
Main Results:
- The mouse Cenpa gene was localized to the proximal region of mouse Chromosome 5.
- This location falls between the established Il6 and Yes1 loci.
- The mapped region is near the [Adra2C-D5H4S43-Hdh] markers.
- Comparison with human CENPA (chromosome 2) indicates a novel conserved synteny region.
Conclusions:
- The mouse Cenpa gene is located on Chromosome 5.
- The conserved synteny between mouse Chromosome 5 and human chromosome 2 is a significant finding.
- This study provides a basis for further comparative genetic analysis of centromeric proteins.