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Isolation and mapping of a polymorphic CA repeat sequence at the human VRK1 locus.
J Sugimoto1, T Yamauchi, T Hatakeyama
1Department of Materials and Biosystem Engineering, Faculty of Engineering, Toyama University, Japan.
Journal of Human Genetics
|March 20, 1999
Summary
Researchers identified a new genetic marker linked to the VRK1 gene on chromosome 14. This discovery aids in studying congenital microphthalmia (CMIC) and other genetic disorders in this chromosome region.
Area of Science:
- Genetics
- Molecular Biology
- Human Physiology
Background:
- The VRK1 gene, a putative serine/threonine kinase, is located on chromosome 14q32.
- Congenital microphthalmia (CMIC), an autosomal recessive disorder, has been mapped to the 14q32 region.
Purpose of the Study:
- To isolate a polymorphic marker associated with the human VRK1 gene.
- To facilitate genetic studies of disorders in the 14q32 region, including CMIC.
Main Methods:
- Isolation of a dinucleotide CA repeat marker from a genomic clone containing the human VRK1 gene.
Main Results:
- A polymorphic dinucleotide CA repeat marker associated with the VRK1 gene was successfully isolated.
- The marker is located within the 14q32 chromosomal region.
Conclusions:
- The identified VRK1 CA repeat polymorphism is a valuable tool for genetic linkage analysis.
- This marker will aid in the genetic investigation of CMIC and other disorders linked to chromosome 14q32.