Analisis heteroplasmy DNA mitokondria pulpa gigi pada identifikasi personal forensik

Ardyni Febri K and Retno Pudji Rahayu and Agung Sosiawan (2013) Analisis heteroplasmy DNA mitokondria pulpa gigi pada identifikasi personal forensik. Dental Jurnal (Majalah Kedokteran Gigi), 46 (3). pp. 130-134. ISSN 1978 - 3728


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abstract Background: Mitochondrial DNA (mtDNA) sequence analysis of the hypervariable control region has been shown to be an effective tool for personal identification. The high copy and maternal mode of inheritance make mtDNA analysis particularly useful when old samples or degradation of biological samples prohibits the detection of nuclear DNA analysis. Dental pulp is covered with hard tissue such as dentin and enamel. It is highly capable of protecting the DNA and thus is extremely useful. One of the diasadvantages of mitochondrial DNA is heteroplasmy. Heteroplasmy is the presence of a mixture of more than one type of an organellar genome within a cell or individual. It can lead to ambiguity in forensic personal identification. Due to that, the evidence of heteroplasmy in dental pulp is needed. Purpose: The study was aimed to determine the heteroplasmy occurance of mitocondrial DNA in dental pulp. Methods: Blood and teeth samples were taken from 6 persons, each samples was extracted with DNAzol. DNA samples were amplified with PCR and sequencing to analyze the nucleotide sequences polymorphism of the hypervariable region 1 in mtDNA and compared with revised Cambridge Reference Sequence (rCRS). Results: The dental pulp and blood nucleotide sequence of hypervariable region 1 mitochondrial DNA showed polymorphism when compared with rCRS and heteroplasmy when compared between dental pulp with blood. Conclusion: The study showed that heteroplasmy was found in mithocondrial DNA from dental pulp. Key words: Personal identification, mtDNA, dental pulp, heteroplasmy

Item Type: Article
Uncontrolled Keywords: Personal identification, mtDNA, dental pulp, heteroplasmy
Subjects: L Education
Q Science
R Medicine > RK Dentistry
Divisions: 02. Fakultas Kedokteran Gigi
Peer Review
Retno Pudji RahayuUNSPECIFIED
Depositing User: Rudy Febiyanto
Date Deposited: 06 Apr 2017 22:10
Last Modified: 06 Apr 2017 22:10
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