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Research Article
Online Published: 31 Jul 2021
 


The Integrity of Deoxyribonucleic Acid (DNA) Extracted from Whole Teeth Samples Burnt with Different Accelerants Using Two Extraction Protocols for Forensic Sex Determination

Onyekachi Ogbonnaya Iroanya, Abdul-warith Olaitan Akinshipo, Tochukwu Frank Egwuatu, Jamey Peters Mairiga.


Abstract
Sex determination is usually the first step in forensic identification of victim(s) in disasters, jungle justice and arson scenarios for many medical and legal reasons. The use of DNA in forensic analysis offers a good method in sex determination and the quality of extracted DNA is very important for downstream PCR. The aim of this study is to investigate the viability of DNA obtained from burnt teeth for forensic sex-determination. Two DNA extraction methods consisting of silica based commercial kit and phenol-chloroform organic method, followed by polymerase chain amplification of amelogenin gene for sex determination were employed. Based on the DNA yield and optical density values, the kit extraction method performed better than the phenol-chloroform method with 100% and 85.71% success respectively. A Mann-Whitney U test of 260/280 absorbance showed no statistically significant difference in the median absorbance for aviation fuel (median = 1.34) and gasoline (median =1.32) burnt samples. Amplification of AMEL genes using the commercial kit and phenol-chloroform method were 52.38% and 22.22% positive respectively compared to pre-extraction sex determination. This study shows that the use of the silica based commercial kit technique yielded higher DNA quality and quantity from whole teeth burnt with gasoline and aviation fuel as accelerants for downstream PCR amplification of AMEL genes compared to organic phenol chloroform method.

Key words: Deoxyribonucleic acid, Sex determination, Amelogenin gene, Forensic odontology, Arson


 
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How to Cite this Article
Pubmed Style

Iroanya OO, Akinshipo AO, Egwuatu TF, Mairiga JP. The Integrity of Deoxyribonucleic Acid (DNA) Extracted from Whole Teeth Samples Burnt with Different Accelerants Using Two Extraction Protocols for Forensic Sex Determination. Equijost. 2021; 8(1): 40-48. doi:https//dx.doi.org/10.4314/equijost.v8i1.6

Web Style

Iroanya OO, Akinshipo AO, Egwuatu TF, Mairiga JP. The Integrity of Deoxyribonucleic Acid (DNA) Extracted from Whole Teeth Samples Burnt with Different Accelerants Using Two Extraction Protocols for Forensic Sex Determination. https://www.equijost.com/?mno=66823 [Access: June 27, 2026]. doi:https//dx.doi.org/10.4314/equijost.v8i1.6

AMA (American Medical Association) Style

Iroanya OO, Akinshipo AO, Egwuatu TF, Mairiga JP. The Integrity of Deoxyribonucleic Acid (DNA) Extracted from Whole Teeth Samples Burnt with Different Accelerants Using Two Extraction Protocols for Forensic Sex Determination. Equijost. 2021; 8(1): 40-48. doi:https//dx.doi.org/10.4314/equijost.v8i1.6


Vancouver/ICMJE Style

Iroanya OO, Akinshipo AO, Egwuatu TF, Mairiga JP. The Integrity of Deoxyribonucleic Acid (DNA) Extracted from Whole Teeth Samples Burnt with Different Accelerants Using Two Extraction Protocols for Forensic Sex Determination. Equijost. (2021), [cited June 27, 2026]; 8(1): 40-48. doi:https//dx.doi.org/10.4314/equijost.v8i1.6


Harvard Style

Iroanya, O. O., Akinshipo, . A. O., Egwuatu, . T. F. & Mairiga, . J. P. (2021) The Integrity of Deoxyribonucleic Acid (DNA) Extracted from Whole Teeth Samples Burnt with Different Accelerants Using Two Extraction Protocols for Forensic Sex Determination. Equijost, 8 (1), 40-48. doi:https//dx.doi.org/10.4314/equijost.v8i1.6


Turabian Style

Iroanya, Onyekachi Ogbonnaya, Abdul-warith Olaitan Akinshipo, Tochukwu Frank Egwuatu, and Jamey Peters Mairiga. 2021. The Integrity of Deoxyribonucleic Acid (DNA) Extracted from Whole Teeth Samples Burnt with Different Accelerants Using Two Extraction Protocols for Forensic Sex Determination. Equity Journal of Science and Technology, 8 (1), 40-48. doi:https//dx.doi.org/10.4314/equijost.v8i1.6


Chicago Style

Iroanya, Onyekachi Ogbonnaya, Abdul-warith Olaitan Akinshipo, Tochukwu Frank Egwuatu, and Jamey Peters Mairiga. "The Integrity of Deoxyribonucleic Acid (DNA) Extracted from Whole Teeth Samples Burnt with Different Accelerants Using Two Extraction Protocols for Forensic Sex Determination." Equity Journal of Science and Technology 8 (2021), 40-48. doi:https//dx.doi.org/10.4314/equijost.v8i1.6


MLA (The Modern Language Association) Style

Iroanya, Onyekachi Ogbonnaya, Abdul-warith Olaitan Akinshipo, Tochukwu Frank Egwuatu, and Jamey Peters Mairiga. "The Integrity of Deoxyribonucleic Acid (DNA) Extracted from Whole Teeth Samples Burnt with Different Accelerants Using Two Extraction Protocols for Forensic Sex Determination." Equity Journal of Science and Technology 8.1 (2021), 40-48. Print. doi:https//dx.doi.org/10.4314/equijost.v8i1.6


APA (American Psychological Association) Style

Iroanya, O. O., Akinshipo, . A. O., Egwuatu, . T. F. & Mairiga, . J. P. (2021) The Integrity of Deoxyribonucleic Acid (DNA) Extracted from Whole Teeth Samples Burnt with Different Accelerants Using Two Extraction Protocols for Forensic Sex Determination. Equity Journal of Science and Technology, 8 (1), 40-48. doi:https//dx.doi.org/10.4314/equijost.v8i1.6




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