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.

Personalized microbiota therapies may be key to treating gut diseases

Effective treatment of IBD requires an approach combining tailored donors, microbiota analysis, and diet.

Gut bacteria may be linked to low sperm quality at high altitudes

The findings reveal a gut-testis interplay that may explain why low oxygen environments reduce male fertility at high altitudes.

Specific gut microbes protect mice from deadly bacterial infections after flu

Segmented filamentous bacteria, or SFB, protect mice from these deadly infections by reprogramming specific immune cells in the lungs.

Gut microbiota can predict who benefits from fiber to prevent diabetes

The effectiveness of dietary fiber in improving blood sugar in prediabetes depends on an individual’s gut microbiota.

Bacterial flagella can influence gut health and inflammation

Gut Clostridia can be divided into two groups, with one group contributing to gut inflammation under certain conditions.

Microbial “fingerprints” in the lungs linked to pneumonia treatment outcomes

Pneumonia involves shifts in the entire lung microbial community, which interact with a person’s immune response.

A mother’s gut microbes and breast milk shape the early infant gut microbiota

Supporting maternal gut health and optimizing breast milk composition could help shape healthy infant gut development.

Breast milk helps seed and shape the infant gut microbiota

The findings may inform strategies to improve early-life gut health as well as infant nutrition and disease prevention.

Simple rectal mucus test shows promise for detecting colon cancer 

Researchers identified 36 bacterial species, particularly Hungatella hathewayi and Intestinimonas butyriciproducens, associated with colorectal cancer.

Dietary protein could influence cholera infection, mouse study shows

Dietary protein influences V. cholerae growth, metabolism, virulence, and competition with gut microbes.

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