Abstract
Length variation at the short tandem repeat (STR) locus HUMTH01 can be reliably detected from small amounts of DNA (0.01–10 ng) extracted from a range of forensic human samples, using the polymerase chain reaction (PCR), horizontal polyacrylamide gels and silver staining. It was shown that the oligonucliotide primers used are specific to humans and some higher primates. Population data bases of Caucasians and Asians living in Victoria (Australia) were constructed and the differences in allele frequencies between Caucasians and Asians confirmed. A new allele provisionally designated HUMTHO1*12 was identified. The discrimination power provided by this locus (0.86–0.91) has been used effectively in a range of forensic case studies.
Zusammenfassung
Längenvariabilität am Short Tandem Repeat (STR) Lokus HUMTHOI läßt sich anhand geringer DNA-Mengen (0.01–10 ng), aus einer Reihe forensischer Proben menschlichen Ursprungs extrahiert, mittels Polymerase-Kettenreaktion (PCR), horizontaler Polyacrylamidgele und Silberfärbung verläßlich detektieren. Gezeigt wurde, daß die benutzten Oligonukleotidprimer, mit Ausnahme einiger höherer Primaten, humanspezifisch sind. Es wurden Populationsdatenbanken von Kaukasiern und Asiaten aus Victoria (Australien) erstellt und die Unterschiede in den Allelfrequenzen zwischen Kaukasiern und Asiaten bestätigt. Ein neues, vorläufig als HUMTH01*12 bezeichnetes Allel wurde identifiziert. Das Diskriminationsvermögen, welches dieser Lokus bietet (0.86–0.91), ist in einer Reihe forensischer Fallstudien effectiv eingesetzt worden.
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van Oorschot, R.A.H., Gutowski, S.J. & Robinson, S.L. HUMTH01: Amplification, species specificity, population genetics and forensic applications. Int J Leg Med 107, 121–126 (1994). https://doi.org/10.1007/BF01225598
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DOI: https://doi.org/10.1007/BF01225598