ArticleScientific reports2021
Potential use of molecular and structural characterization of the gut bacterial community for postmortem interval estimation in Sprague Dawley rats.
Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Characterisation of microbial succession for the estimation of PMI and PMSI in terrestrial and aquatic environments.Forensic science, medicine, and pathology · 2026Article
- The impact of age and insects factors on cadaver microbial communities and application to postmortem interval Estimation.International journal of legal medicine · 2026Article
- Estimating Postmortem Interval of Buried Pig Carcasses by Integrating Microbial Succession Patterns with Machine Learning Algorithms.Microorganisms · 2025Article
- Environmental predictors impact microbial-based postmortem interval (PMI) estimation models within human decomposition soils.PloS one · 2024Article
- Changes in Microbial Communities Using Pigs as a Model for Postmortem Interval Estimation.Microorganisms · 2023Article
- The Future Is Now: Unraveling the Expanding Potential of Human (Necro)Microbiome in Forensic Investigations.Microorganisms · 2023Review
- Composition and functional diversity of bacterial communities during swine carcass decomposition.Animal bioscience · 2023Article
- Combined metabolomics and tandem machine-learning models for wound age estimation: a novel analytical strategy.Forensic sciences research · 2023Article
- Estimation of the post-mortem interval by modelling the changes in oral bacterial diversity during decomposition.Journal of applied microbiology · 2022Article
- Post-Mortem Interval and Microbiome Analysis through 16S rRNA Analysis: A Systematic Review.Diagnostics (Basel, Switzerland) · 2022Review
- Postmortem submersion interval estimation of cadavers recovered from freshwater based on gut microbial community succession.Frontiers in microbiology · 2022Article
- Microbial communities in the liver and brain are informative for postmortem submersion interval estimation in the late phase of decomposition: A study in mouse cadavers recovered from freshwater.Frontiers in microbiology · 2022Article
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Authors and funding
12 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Once the body dies, the indigenous microbes of the host begin to break down the body from the inside and play a key role thereafter. This study aimed to investigate the probable shift in the composition of the rectal microbiota at different time intervals up to 15 days after death and to explore bacterial taxa important for estimating the time since death. At the phylum level, Proteobacteria and Firmicutes showed major shifts when checked at 11 different intervals and emerged at most of the postmortem intervals. At the species level, Enterococcus faecalis and Proteus mirabilis showed a downward and upward trend, respectively, after day 5 postmortem. The phylum-, family-, genus-, and species-taxon richness decreased initially and then increased considerably. The turning point occurred on day 9, when the genus, rather than the phylum, family, or species, provided the most information for estimating the time since death. We constructed a prediction model using genus-level data from high-throughput sequencing, and seven bacterial taxa, namely, Enterococcus, Proteus, Lactobacillus, unidentified Clostridiales, Vagococcus, unidentified Corynebacteriaceae, and unidentified Enterobacteriaceae, were included in this model. The abovementioned bacteria showed potential for estimating the shortest time since death.
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