Bacteria transferred during intercourse could help identify sexual assault perpetrators, scientists say

Genital microbiome or sexome' leaves specific signature even when barrier protection is used, which could be traced in absence of DNA material

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Bacteria transferred between people during sexual intercourse could be used in forensic testing to help identify sexual assault perpetrators, an Australian study suggests.

Genital bacteria, similar to the microorganisms that make up the gut microbiome, vary between individuals. They are transferred to sexual partners during intercourse and leave specific signatures that can subsequently be detected, researchers found.

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