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.

Nursery interactions can contribute more to babies’ gut microbiotas than family

Even after long breaks, such as summer vacation, babies continued to share more microbes with former nursery peers than with children from other nurseries.

Stem-like cells in the gut sense commensal bacteria to recruit protective immune cells

E. coli 541-15 helps the colon recruit key immune cells that can develop into macrophages.

Mouth bacteria might play an active role in obesity

Computer models combining oral bacteria, their metabolic functions, and saliva chemicals could better distinguish obese from healthy individuals compared with clinical measurements alone. 

Gut microbes from young mice boost gut repair

A youthful gut microbiota can improve the regenerative function of aged intestinal stem cells.

Oral microbiota therapy rebuilds gut bacteria to prevent recurrent C. difficile infection

VOS, an FDA-approved oral microbiota therapy, has been shown to reduce infection risk compared to traditional fecal transplants. 

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.

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