Science, Space and Technology News 2024
A groundbreaking study has identified a universal set of microbes responsible for decomposing animal flesh, providing a potential new tool for determining the time of death in forensic investigations. Credit: SciTechDaily.com
“It’s really cool that there are these microbes that always show up to decompose animal remains,” said Colorado State University Associate Professor Jessica Metcalf, the senior author on the new work published this week in the journalUnderstanding Decomposition “When you’re talking about investigating death scenes, there are very few types of physical evidence you can guarantee will be present at every scene,” Carter said. “You never know if there will be fingerprints, or bloodstains or camera footage. But the microbes will always be there.”
In addition to identifying the universal decomposers, the research team also attempted to determine where this microbial community came from. Notably, Metcalf said, they couldn’t find the microbes in soil microbiome databases or catalogs of human skin and gut microbiomes. They did, however, find the universal decomposers on insects. “It seems like the insects are bringing the microbes in,” Metcalf said.
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