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Tytuł pozycji:

Frozen: Thawing and Its Effect on the Postmortem Microbiome in Two Pediatric Cases .

Tytuł :
Frozen: Thawing and Its Effect on the Postmortem Microbiome in Two Pediatric Cases .
Autorzy :
Pechal JL; Department of Entomology, Michigan State University, 243 Natural Science Building, East Lansing, MI.
Schmidt CJ; Wayne County Medical Examiner's Office and Department of Pathology, University of Michigan, 1300 E. Warren Avenue, Detroit, MI.
Jordan HR; Department of Biological Sciences, Mississippi State University, 295 Lee Blvd., Mississippi State University, MS.
Benbow ME; Department of Entomology; Department of Osteopathic Medical Specialties; and Ecology, Evolutionary Biology and Behavior, Michigan State University, 243 Natural Science Building, East Lansing, MI.
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Źródło :
Journal of forensic sciences [J Forensic Sci] 2017 Sep; Vol. 62 (5), pp. 1399-1405. Date of Electronic Publication: 2017 Jan 25.
Typ publikacji :
Case Reports
Język :
English
Imprint Name(s) :
Publication: 2006- : Malden, MA : Blackwell Pub.
Original Publication: [Chicago, Ill.] : Callaghan and Co., 1956-
MeSH Terms :
Freezing*
Microbiota*
Postmortem Changes*
Transition Temperature*
Adolescent ; Child ; Female ; High-Throughput Nucleotide Sequencing ; Humans ; Male ; RNA, Ribosomal, 16S/genetics
Contributed Indexing :
Keywords: concealment; forensic pathology; forensic science; frozen; pediatrics; postmortem microbiome
Substance Nomenclature :
0 (RNA, Ribosomal, 16S)
Entry Date(s) :
Date Created: 20170126 Date Completed: 20180411 Latest Revision: 20180411
Update Code :
20210210
DOI :
10.1111/1556-4029.13419
PMID :
28120409
Raport
Previous postmortem microbiome studies have focused on characterizing taxa turnover during an undisturbed decomposition process. How coexisting conditions (e.g., frozen, buried, burned) affect the human microbiome at the time of discovery is less well understood. Microbiome data were collected from two pediatric cases at the Wayne County Medical Examiner in Michigan. The bodies were found frozen, hidden in a freezer for an extended time. Microbial communities were sampled from six external anatomic locations at three time points during the thawing process, prior to autopsy. The 16S rRNA V4 gene amplicon region was sequenced using high-throughput sequencing (Illumina MiSeq). Microbial diversity increased, and there was a distinct shift in microbial community structure and abundance throughout the thawing process. Overall, these data demonstrate that the postmortem human microbiome changes during the thawing process, and have important forensic implications when bodies have been substantially altered, modified, and concealed after death.
(© 2017 American Academy of Forensic Sciences.)

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