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Post-mortem fungal colonization pattern during 6 weeks: Two case studies.

Simone Di Piazza1, Mirca Zotti1, Rosario Barranco2

  • 1Laboratory of Mycology, DISTAV Department of Earth, Environmental and Life Science, University of Genoa, Corso Europa 26, 16132 Genoa, Italy.

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PubMed
Summary
This summary is machine-generated.

This study mapped fungal colonization on two corpses over six weeks, revealing significant differences in growth patterns. Perimortem conditions greatly influenced fungal distribution, impacting post-mortem interval estimations.

Keywords:
Forensic mycologyMycological body mapMycological evidencePMIPenicilliumPerimortem conditions

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Area of Science:

  • Forensic Mycology
  • Post-Mortem Investigations

Background:

  • Fungal growth on decomposing remains is a key area in forensic science.
  • Understanding fungal colonization patterns can aid in determining the post-mortem interval (PMI).

Observation:

  • Mycological data, including over 70 fungal Colony Forming Units (CFUs), were collected from two real corpses over six weeks under controlled mortuary conditions.
  • Fungal colonization was mapped on both corpses, revealing distinct differences in distribution and extent.
  • Case one showed a significant increase in facial fungal colonization from 15% to 63% over six weeks.
  • Case two exhibited minimal fungal colonization, remaining around 1% throughout the monitoring period.

Findings:

  • Perimortem conditions significantly influenced the pattern and extent of fungal colonization on the corpses.
  • The study provides novel data on the real-time colonization and distribution of fungi on human remains post-mortem.
  • Fungal development and maturation patterns show potential for assessing the post-mortem interval.

Implications:

  • This research highlights the critical role of perimortem factors in post-mortem fungal succession.
  • The findings suggest that fungal analysis can be a valuable tool for forensic investigations, particularly in PMI estimation.
  • Further research into fungal dynamics on corpses could refine forensic entomology and mycology techniques.