死亡后的微生物继承:法医科学中外部采样地点的基因组和培养基础的见解
Luca Tomassini1, Virginia Goracci2, Martina Onofri3
1International School of Advanced Studies, University of Camerino, Camerino, Italy.
Legal medicine (Tokyo, Japan)
|August 24, 2025
概括
法医科学可以使用死后的微生物群落来估计死亡时间. 然而,研究中的不一致方法限制了可靠性,需要标准化的协议来准确地进行法医应用.
科学领域:
- 法医微生物学
- 微生物生态学
背景情况:
- 死亡后的微生物群落 (微生物群和微生物群) 显示出估计死亡后间隔 (PMI) 的潜力.
- 研究方法的变化阻碍了法医调查的可比性和可重复性.
研究的目的:
- 系统地审查和评估人类死后微生物群和微生物组的当前文献.
- 确定用于法医目的的微生物数据的方法不一致性和挑战.
主要方法:
- 按照PRISMA指南进行系统审查.
- 包括使用培养技术或下一代测序 (NGS) 的人体尸体的研究.
- 对样本类型,微生物点,分析方法和分解阶段的数据提取.
主要成果:
- 包括24项研究,显示出显著的方法异质性.
- NGS是普遍存在的,针对16SrRNA进行微生物继承分析.
- 不一致的控制和分解条件阻碍了跨研究的比较,尽管有一些有希望的PMI相关性.
结论:
- 方法上的不一致和缺乏标准化阻碍了对死后微生物组数据的法医使用.
- 统一的协议和跨学科的方法对于验证微生物签名作为可靠的法医工具至关重要.
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