Time-dependent microbial shifts during crayfish decomposition in freshwater and sediment under different environmental conditions.
Journal
Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288
Informations de publication
Date de publication:
27 01 2023
27 01 2023
Historique:
received:
24
07
2022
accepted:
23
01
2023
pubmed:
28
1
2023
medline:
1
2
2023
entrez:
27
1
2023
Statut:
epublish
Résumé
Fossilization processes and especially the role of bacterial activity during the preservation of organic material has not yet been well understood. Here, we report the results of controlled taphonomic experiments with crayfish in freshwater and sediment. 16S rRNA amplicon analyzes showed that the development of the bacterial community composition over time was correlated with different stages of decay and preservation. Three dominating genera, Aeromonas, Clostridium and Acetobacteroides were identified as the main drivers in the decomposition of crayfish in freshwater. Using micro-computed tomography (µ-CT), scanning electron microscopy (SEM) and confocal Raman spectroscopy (CRS), calcite clusters were detected after 3-4 days inside crayfish carcasses during their decomposition in freshwater at 24 °C. The precipitation of calcite clusters during the decomposition process was increased in the presence of the bacterial genus Proteocatella. Consequently, Proteocatella might be one of the bacterial genera responsible for fossilization.
Identifiants
pubmed: 36707669
doi: 10.1038/s41598-023-28713-x
pii: 10.1038/s41598-023-28713-x
pmc: PMC9883499
doi:
Substances chimiques
RNA, Ribosomal, 16S
0
Calcium Carbonate
H0G9379FGK
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
1539Informations de copyright
© 2023. The Author(s).
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