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Articles on Microbiology

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Extreme weather conditions can make reconstructing the scene of a crime more difficult. Nick Thompson/iStock via Getty Images Plus

Found dead in the snow − how microbes can help pinpoint time of death for forensic investigations in frigid conditions

An accurate estimate of when someone died is a critical part of forensic investigations. In extremely cold conditions, molecular biology can provide critical information where the naked eye cannot.
The researchers drilling on the Guliya Glacier. Lonnie Thompson

Ancient viral genomes preserved in glaciers reveal the history of Earth’s climate – and how viruses adapt to climate change

From ice cores extracted from the Tibetan Plateau, scientists recovered the equivalent of 1,705 virus species. Reading their genomes tells the story of 41,000 years of climate change.
Many viral genetic sequences code for proteins that researchers haven’t seen before. KTSDesign/Science Photo Library via Getty Images

Viruses are doing mysterious things everywhere – AI can help researchers understand what they’re up to in the oceans and in your gut

Scientists are discovering viral genetic sequences in the wild faster than they can analyze them. A kind of ChatGPT for proteins can help make sense of all that data.
Each subtle cultural or personal twist to a fermented dish is felt by your body’s microbial community. microgen/iStock via Getty Images

Fermented foods sustain both microbiomes and cultural heritage

From kimchi to kombucha and sauerkraut to sourdough, many traditional food staples across cultures make use of fermentation. And these variations are reflected in your microbiome.
Genetic analysis of the bacteria causing surgical site infections revealed that many were already present on the patient’s skin. Ruben Bonilla Gonzalo/Moment via Getty Images

Infections after surgery are more likely due to bacteria already on your skin than from microbes in the hospital − new research

Most infection prevention guidelines center on the hospital environment rather than the patient. But the source of antibiotic-resistant microbes is often from the patient’s own body.
The satellite virus MiniFlayer (purple) infects cells by attaching itself to the neck of its helper virus, MindFlayer (gray). Tagide deCarvalho

Vampire viruses prey on other viruses to replicate themselves − and may hold the key to new antiviral therapies

Researchers discovered a satellite virus latching onto the neck of another virus called MindFlayer. Studying the viral arms race between similar viruses could lead to new ways to fight infections.

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