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- Title
A case of personal identification due to detection of rare DNA types from seminal stain.
- Authors
Tsutsumi, Hirofumi; Komuro, Toshinobu; Mukoyama, Rei; Izawa, Hikaru; Jian Tie; Uchigasaki, Seisaku
- Abstract
Following a rape incident in an apartment in Japan, we were requested to perform a DNA analysis on a body fluid stain left on a bath towel to determine whether it could be attributed to the suspect. The acid phosphatase and prostatic-specific antigen tests confirmed it to be a seminal stain. Based on the DNA analysis by autosomal and Y-chromosome short tandem repeat (STR) systems, no inconsistency was found with the profile of the suspect with African ancestry. In this case, allele 21 of DYS390 at the Y-STR locus was examined, as it is reported to have a distinctly lower frequency in the Japanese population. Furthermore, the haplotype combinations of Y-STR at the DYS389I, DYS389II and DYS390 loci are powerful for personal identification, as these have not yet been found in the Japanese population.
- Subjects
JAPAN; GENETIC genealogy; HUMAN chromosome abnormality diagnosis; Y chromosome abnormalities; ANTIGEN-antibody reactions; ACID phosphatase
- Publication
Journal of Oral Science, 2009, Vol 51, Issue 4, p645
- ISSN
1343-4934
- Publication type
Case Study
- DOI
10.2334/josnusd.51.645