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Palynology and mycology as biological evidence in a homicide case

Povilauskas, Leticia Karina ; Tranchida, María Cecilia

Journal of forensic sciences, 2023-05, Vol.68 (3), p.1064-1072 [Periódico revisado por pares]

United States: Wiley Subscription Services, Inc

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  • Título:
    Palynology and mycology as biological evidence in a homicide case
  • Autor: Povilauskas, Leticia Karina ; Tranchida, María Cecilia
  • Assuntos: Coastal zone ; Crime ; Crime scenes ; Footwear ; forensic microbiology ; Fungi ; fungus ; Homicide ; Humans ; Male ; microvestiges ; Murders & murder attempts ; Mycology ; palynology ; palynomorphs ; Police ; Sandy soils ; Soil ; Spores ; Spores, Fungal
  • É parte de: Journal of forensic sciences, 2023-05, Vol.68 (3), p.1064-1072
  • Notas: Leticia Karina Povilauskas and María Cecilia Tranchida contributed equally.
  • Descrição: Criminal cases are studied from several disciplines to link a suspect with a criminal act. In this case, a man was reported missing in a coastal area in Buenos Aires Province, Argentina. The victim's relatives pointed to a possible suspect, and the local police carried out the investigation. We contributed to this research by applying palynological and mycological techniques. Palynomorphs and fungal spores offer valuable trace evidence, as they can be easily transferred between objects and crime scenes due to their minute size and persist on them for a long time. The victim was found 25 days later, lying on sandy soil, which partially covered the body, 35 km from where the suspect was arrested. Comparative samples were collected from the crime scene and the suspect's home and belongings (clothes, footwear, and seized vehicle). The palynological associations obtained from the crime scene and the defendant's belongings were dominated by diatoms and acritarchs (Acantomorphitae), all elements of marine origin, and a high CFU number of Bipolaris cynodontis, which allowed the defendant's clothing to be related to the place of corpse discovery. Soil from the defendant's home had an entirely continental composition, and the fungal biota was characteristic of prairie areas which were different from those of the crime scene.
  • Editor: United States: Wiley Subscription Services, Inc
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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