Giorgia Guglielmi

Giorgia Guglielmi is a freelance science writer based in Basel, Switzerland. Specializing in life sciences, medicine, and the relationship between science and society, she has published numerous articles in outlets including Nature, Science, and Scientific American. She holds a PhD in biology from the European Molecular Biology Laboratory and a Master’s in Science Writing from the Massachusetts Institute of Technology. She has received recognition for her work, including the John Kendrew Award in 2020 and an ERC-funded FRONTIERS Media Fellowship in 2025. She has also led lectures and workshops on science communication at institutions such as Harvard University and the University of Zurich.

Gut microbes may be linked to bone loss during spaceflight

The findings of a recent study suggest that changes to the gut microbiotas in space may be associated with a loss of bone density.

Study reveals previously unknown viruses that populate the healthy infant gut

The findings of a recent study offer new insights into the diversity of the human virome and provide a resource that may help future research into the viruses that populate…

Healthy humans do not have a common blood microbiota

The findings suggest that microbes can occasionally enter the bloodstream from other body sites without causing disease, but they do not support the idea of a common blood microbiota.

Centenarians have a youthful gut microbiota that may help support longevity

The findings suggest that longevity is associated with a specific microbiota signature that may have positive effects on older adults’ health by counteracting senescence or chronic diseases that generally accompany…

A mother’s vaginal microbes don’t influence her baby’s gut microbiota

The findings of a recent study show that a mother’s vaginal microbiota does not affect infant gut microbiota composition and development.

Arresting microbiota development stunts immune system maturation in mice

A recent study shows that microbiota maturation during weaning contributes to normal immune development and protection from infection.

Gut microbes sway how people with lymphoma respond to immunotherapy

The findings of a recent study identified microbiota signatures that may allow clinicians to predict the outcomes of CAR-T immunotherapy.

A mother’s diet can change the infant microbiota, prevent respiratory infection

Diet-induced changes in the gut microbiota confer protection against respiratory infections by regulating the development of key components of the immune system.

How a common bacterium colonizes the gut

The findings of a recent study suggest that other gut microbes use liquid-liquid phase separation to colonize the gut, opening the way for new microbiota-based clinical applications.

Some gut microbes are associated with depression in premenopausal women

The findings of a recent study suggest that estradiol-degrading bacteria could be therapeutic targets for treating depression in some women.

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