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. 1997 Nov 1;29(3):261-6.
doi: 10.1002/(sici)1097-0320(19971101)29:3<261::aid-cyto9>3.0.co;2-e.

DNA content differences in laboratory mouse strains determined by flow cytometry

R Capparelli  1 , C Cottone, L D'Apice, M Viscardi, L Colantonio, S Lucretti, D Iannelli
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Free article

DNA content differences in laboratory mouse strains determined by flow cytometry

R Capparelli et al. Cytometry. .
Free article

Abstract

The nuclear DNA content of seven mouse laboratory strains has been measured by flow cytometry. The differences observed between strains as well as those between sexes within the strain were all statistically significant. The highest DNA content (approximately 6.4 pg/female nucleus) was found in the Balb/c strain; the lowest (approximately 5.7 pg/male nucleus) in the C3H/he strain. The difference between sexes varied from 1.6% (in CD-1 mice) to 6.3% (in nude mice). The interest of these results is twofold. First, the mouse can now be used to study the adaptive significance of genome size variation, so far studied only in plants. Second, DNA content analysis can become a quick method for mouse strain identification.

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