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Human skeletal remains:development of DNA extraction and typing assays   Giulia Filippini,Stefania Turrina and Domenico De Leo

Human skeletal remains:development of DNA extraction and typing assays

80 страниц. 2012 год.
LAP Lambert Academic Publishing
Efficient DNA extraction procedures, as well as accurate DNA amplification, are critical steps involved in the process of successful DNA analysis of skeletal samples. Unfortunately, at present there is not an infallible method to recover DNA from very degraded samples due to variations in DNA yield from bone fragments that may be attributed to heterogeneity within a bones. In this study different types of human bones ranging in age from few months to 90 post mortem years, found in various states of preservation and conserved in different places, were analyzed. We developed a modified silica based spin columns protocol, associated to the typing of conventional Short Tandem Repeats (STRs) and smaller Polymerase Chain Reaction (PCR) products (Mini-STRs) redesigned by our laboratory by moving forward and reverse primers in close proximity to the STR repeat region. Our modified protocol was successfully employed to extract DNA from long bones of different ages and preservation state....
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