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.

Dietary fibers can have different effects on human health

A new study published in Cell Host & Microbe highlights the association of fibers with the microbiota.

Imbalances in gut microbes linked to recurrent urinary tract infections

Recurrent UTIs are in part caused by alterations of the gut microbiota and different immune response to bacterial bladder colonization.

How gut microbes talk to the brain

New research suggests that hypothalamic neurons use muropeptides as a measure of food intake or of imbalances in the gut microbiota.

Gut microbes may protect from hormone-induced bone death

New research suggests that the gut microbiota protects the femoral head through the production of extracellular vesicles.

Gut microbe could boost growth in malnourished infants

New research suggests that B. infantis can be used to treat children with acute malnutrition.

A high fat diet can disrupt gut microbial oscillations, leading to metabolic problems

New research suggests that restoring the gut microbiota’s capacity to sense dietary signals mediated by specific host factors may improve metabolic problems.

Some gut-dwelling viruses may contribute to inflammatory bowel disease

The virome might be used in therapeutic approaches: eliminating or replacing disease-driving intestinal viruses with health-promoting viruses may be beneficial for people with IBD.

Gut microbiota might predict risk of liver diseases

Researchers found that models of conventional risk factors and data on the gut microbiota improved the prediction of liver diseases

Bacteria in tumors may help cancer to metastasize

New research indicates that the tumor-resident microbiota can promote the formation of metastases as well as the survival of cancer cells during tumor progression.

Gut microbiota composition varies extensively within people

By analyzing stool samples from dozens of people in Sweden, researchers have found that the microbiota isn’t stable in adulthood.

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