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Forensic identification using airDNA: A preliminary study on the collection, isolation, amplification and sequencing of human DNA from air samples

Sıtkı TIPLAMAZ; Zehra ÖMEROĞLU ULU; Bestami ÇOLAK; Hızır ASLIYÜKSEK; Fikrettin ŞAHİN

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      {
        "affiliation": "Marmara \u00dcniversitesi", 
        "name": "S\u0131tk\u0131 TIPLAMAZ", 
        "orcid": "0000-0001-9015-940X"
      }, 
      {
        "affiliation": "Yeditepe \u00dcniversitesi", 
        "name": "Zehra \u00d6MERO\u011eLU ULU", 
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      {
        "affiliation": "Adli T\u0131p Kurumu Ba\u015fkanl\u0131\u011f\u0131", 
        "name": "Bestami \u00c7OLAK", 
        "orcid": "0000-0003-4044-491X"
      }, 
      {
        "affiliation": "Adli T\u0131p Kurumu Ba\u015fkanl\u0131\u011f\u0131", 
        "name": "H\u0131z\u0131r ASLIY\u00dcKSEK", 
        "orcid": "0000-0001-6845-3717"
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        "name": "Fikrettin \u015eAH\u0130N", 
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    "description": "<p><strong>Background/aim:</strong> Humans continually release skin cells and DNA fragments into the air.&nbsp; This DNA can either remain airborne or settle onto surfaces as indoor dust. This study investigates the collection, isolation, amplification, and sequencing of human DNA from air samples, focusing on both nuclear and mitochondrial DNAs.</p>\n\n<p><strong>Materials and methods:</strong> This study was conducted in a 15 m<sup>3</sup> room and a meeting room where air samples were systematically collected and filtered using a vacuum device equipped with various sterile filters. The rigorous protocols were implemented to prevent contamination throughout the process. Thirteen air samples were processed in this research, involving the participation of two females and two males.</p>\n\n<p><strong>Results:</strong> The study demonstrated the feasibility of extracting and sequencing human mtDNA from air samples, while nuclear DNA quantification remained challenging. Notably, cotton filters yielded better mtDNA sequencing results compared to glass fiber filters. Despite limited nuclear DNA recovery, mtDNA sequencing was successful in several samples, providing interpretable DNA profiles.</p>\n\n<p><strong>Conclusion:</strong> This preliminary study highlights the potential use of airDNA in forensic investigations, emphasizing mtDNA sequencing as a viable approach when nuclear DNA is scarce. Future studies should prioritize mtDNA sequencing and consider using glass fiber or cotton filters for optimal airDNA collection.</p>", 
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    "keywords": [
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      "likelihood ratio"
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    "language": "eng", 
    "license": {
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    "notes": "This work was supported by the Rapid Support Fund of Yeditepe University (Project Number: HD-23027). The funding source was not involved in study design in the collection, analysis, and interpretation of data in the writing of the report, and in the decision to submit the article for publication.\n\nWe extend our gratitude to Biologists Ay\u015fe BI\u00c7AK \u00c7ERKEZ\u0130 and Oktay ATE\u015e from the Department of Biology at the Presidency of the Council of Forensic Medicine for their invaluable contributions to the laboratory processes.", 
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Kayıt Bilgileri

Yayınlanma tarihi:
19/03/2025
Bilim dalları:
Sağlık Bilimleri > Tıp > Dahili Tıp Bilimleri > Adli Tıp
Anahtar kelimeler:
eDNA mtDNA next generation sequencing likelihood ratio
Lisans:
Creative Commons Attribution-NonCommercial-NoDerivatives

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Sürüm V1 19/03/2025
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