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Title: A novel unstable mouse VNTR family expanded from SINE B1 elements.
Authors: Bois, P
Williamson, J
Brown, J
Dubrova, YE
Jeffreys, AJ
First Published: 1-Apr-1998
Citation: GENOMICS, 1998, 49 (1), pp. 122-128
Abstract: Human hypervariable minisatellites provide highly informative loci for analyzing processes of tandem repeat turnover, but little is known about mechanisms of instability in other species. We have therefore screened the mouse genome for analogous VNTR loci. One of the probes we isolated, MMS10, detects a highly variable rodent-specific family of multiple loci derived by expansion of a common GGCAGA repeat unit from within a subset of B1 short interspersed elements. The mean germline mutation rate for loci detected by MMS10 was estimated at 1.7% per offspring band, though analysis of individual loci showed substantial variation in germinal instability apparently related to repeat array size. This MMS10 family of expanded hexanucleotide repeat loci provides a novel resource for investigating mechanisms of tandem repeat turnover in the mouse and an efficient means for monitoring germline mutations induced by external agents such as ionizing radiation.
DOI Link: 10.1006/geno.1998.5228
ISSN: 0888-7543
Type: Journal Article
Appears in Collections:Published Articles, Dept. of Genetics

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