In silico and in vitro comparative analysis to select, validate and test SNPs for human identification

Luca Sineo, Irene Predazzi, Luciano Gabriele, Claudio Pipolo, Omero Ricci, Ilenia Pietrangeli, Claudia Martone, Gianluca Solla, Giuseppe Novelli, Aldo Spinella, Emiliano Giardina, Paola Asili, Patrizio Marsala

Risultato della ricerca: Articlepeer review

11 Citazioni (Scopus)

Abstract

Background: The recent advances in human genetics have recently provided new insights into phenotypic variation and genome variability. Current forensic DNA techniques involve the search for genetic similarities and differences between biological samples. Consequently the selection of ideal genomic biomarkers for human identification is crucial in order to ensure the highest stability and reproducibility of results. Results: In the present study, we selected and validated 24 SNPs which are useful in human identification in 1,040 unrelated samples originating from three different populations (Italian, Benin Gulf and Mongolian). A Rigorous in silico selection of these markers provided a list of SNPs with very constant frequencies across the populations tested as demonstrated by the F values. st Furthermore, these SNPs also showed a high specificity for the human genome (only 5 SNPs gave positive results when amplified in non-human DNA). Conclusion: Comparison between in silico and in vitro analysis showed that current SNPs databases can efficiently improve and facilitate the selection of markers because most of the analyses 2 performed (F , r , heterozigosity) in more than 1,000 samples confirmed available population data.
Lingua originaleEnglish
pagine (da-a)1-17
Numero di pagine17
RivistaBMC Genomics
Volume8 (1)
Stato di pubblicazionePublished - 2007

All Science Journal Classification (ASJC) codes

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