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Sex leaves 'microbial traces' on genitalia, even when a condom is used — scientists call it the 'sexome'

Researchers from Murdoch University found that unique bacterial species, called the 'sexome,' are transferred between partners during intercourse, even with condom use, as published in the journal iScience.
The study involved 12 heterosexual couples and confirmed that distinct microbial communities are exchanged during penetrative sex.
Brendan Chapman, the study's chief investigator, noted that the findings may provide new forensic evidence to support survivors of sexual assault.
Further research is needed with larger groups to validate the use of sexome analysis in forensic investigations, according to the researchers.

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The Debrief

New Research Shows Bacterial 'Sexome' Could Help Identify Perpetrators in Sexual Assault Cases - The Debrief

In criminal investigations of sexual assault, DNA analysis often focuses on detecting the perpetrator’s sperm as evidence of intercourse. But what happens when no sperm is present—such as in cases where a condom was used? A new study published in the journal iScience offers a promising answer: bacteria. Researchers from Murdoch University in Australia have discovered that unique bacterial species, known as the “sexome,” are transferred between i…

9 days ago

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Vice

Sexomes: The ‘Genital Fingerprints’ Your Junk Leaves Behind After Sex

Condoms are designed to keep things in the bedroom safe, but even they are no match for what scientists are now calling “sexomes.”

9 days ago·New York, United States

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Spiegel

Crime: Bacteria traces should help to commit sex offenders

Sex always leaves microbial traces, unique as fingerprints. Researchers have found this out in experiments. Hope: Identifying sex offenders in the future with the help of the »Sexom«.

9 days ago·Germany

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telex.hu

During sex, couples also exchange bacteria on their genitals, and this can also be useful in proving rape.

What the microbiome is to the gut, the sex is to the genitals. Australian researchers say changes can be detected after sex even when a condom is used.

10 days ago

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Gizmodo

Meet the Sexome: The Bacteria in Our Junk That We Swap During Sex

New research shows that we regularly transfer traces of our genital microbiomes to sexual partners—a discovery that could someday be used as a crime-solving tool.

10 days ago·United States

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