Successful STR and SNP typing of FTA Card samples with low amounts of DNA after DNA extraction using a Qiagen BioRobot® EZ1 Workstation

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningfagfællebedømt

FTA Cards (GE Healthcare) have been used for more than 4 years in Denmark for the collection of buccal cells as reference samples in crime cases. Semi-automated protocols for STR typing of DNA on punches of FTA Cards are routinely used. In average, full STR profiles were generated from approximately 95% of the FTA Cards with a standard punching protocol, while partial or no STR profile were obtained from 5% of the samples. Here, the Qiagen BioRobot® EZ1 Workstation (Qiagen) and the EZ1 DNA Investigator Kit (Qiagen) was used to extract DNA from 29 FTA Cards from which a complete STR profile was not generated with the standard punching protocol. All 29 samples were successfully typed with the AmpFℓSTR® Identifiler™ PCR Amplification Kit (Applied Biosystems) and with the SNPforID 49plex SNP assay. The lowest amount of DNA that resulted in complete STR and SNP profiles was 80 pg. The STR and SNP profiles were identical to those generated from another sample collected from each of the 29 individuals.

OriginalsprogEngelsk
TidsskriftForensic Science International: Genetics Supplement Series
Vol/bind2
Udgave nummer1
Sider (fra-til)83-84
Antal sider2
ISSN1875-1768
DOI
StatusUdgivet - 2009

ID: 307818865