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Linkage mapping of human chromosome 10 microsatellite polymorphisms
R A Decker1, J Moore, B Ponder
1Marshfield Medical Research Foundation, Wisconsin 54449.
Genomics
|March 1, 1992
Summary
Ten microsatellite DNA markers on human chromosome 10 were mapped using somatic cell hybrids and linkage analysis. This research provides a framework for understanding genetic variation and disease association on chromosome 10.
Area of Science:
- Human Genetics
- Molecular Biology
- Genomics
Background:
- Microsatellite DNA markers are crucial for genetic mapping.
- Accurate mapping of markers on human chromosome 10 is essential for genetic studies.
- Previous mapping efforts may have lacked resolution for chromosome 10.
Purpose of the Study:
- To regionally map ten microsatellite DNA polymorphisms on human chromosome 10.
- To establish the order of these markers from pter to qter.
- To identify potential gaps in marker distribution on the chromosome.
Main Methods:
- Utilized subchromosomal somatic cell hybrids for regional mapping.
- Employed linkage analysis to determine marker order.
- Analyzed the distribution of ten microsatellite markers across chromosome 10.
Main Results:
- Established a likely order for ten microsatellite markers on chromosome 10: [D10S89, D10S111], D10S107, D10S109, [D10S91, D10S110, D10S108, D10S88, D10S168], and D10S169.
- Identified uncertainty in marker order within bracketed groups.
- Observed marker distribution from the proximal p arm to near qter, noting a gap between D10S168 and D10S169.
Conclusions:
- The study successfully mapped ten microsatellite markers on human chromosome 10.
- The established marker order provides a valuable resource for future genetic studies.
- The identified gap suggests areas for further marker development on chromosome 10.