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.

Many gut microbes could come from the mouth

Scientists have found that even in healthy people, many mouth microbes are able to reach the gut and colonize it. The study was published in the journal eLife.

Skin-dwelling fungus could play a role in inflammatory bowel disease

A common fungus found on skin may worsen symptoms of IBD in people with a particular genetic make-up, scientists report in Cell Host and Microbe.

Changes in the gut microbiota at weaning could prevent inflammatory diseases

At weaning, changes in the gut microbiota trigger an immune reaction that is important for preventing allergies and other inflammatory diseases later in life.

How a gut commensal contributes to colorectal cancer

Scientists may have just figured out how colibactin, a DNA-damaging molecule produced by certain strains of E. coli, contributes to colorectal cancer.

A gut commensal reduces weight gain, obesity-related conditions in mice

P. distasonis can alleviate obesity and reduce obesity-related abnormalities. That’s the conclusion of a cinese study published in Cell Reports.

Gut microbiota as a tool to address antimicrobial resistance

In order to manage antimicrobial resistance and enhance immune responses against pathogens, a duo of scientists proposes to turn to the gut microbiota.

New insights into how gut cells sense commensal microbes

Cells in the gut sense commensal microbes through receptors that trigger the production of inflammatory molecules and the activation of the immune system.

Differences in gut bacteria can distinguish between bowel diseases

The gut microbiota can be useful to distinguish between IBD and IBS. That's according to a study published in Science Translational Medicine.

Periodic low-calorie diet could reduce inflammatory bowel disease

A low-calorie, low-protein diet could help reduce the inflammation associated with IBD. That’s according to a study published in Cell Reports.

A Lactobacillus strain worsens symptoms of autoimmune disease

A commensal Lactobacillus strain worsens the symptoms of systemic lupus erythematosus and triggers the host's immune system.

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