Microbiota–immunity cross-talk: two sides of the same coin in colorectal cancer and IBD

Federica Facciotti, from University of Milano Bicocca, focuses on how the gut microbiota interacts with immune activation, shaping both chronic inflammatory intestinal disorders and oncology, particularly colorectal cancer. 

Gut microbes protect the liver by digesting fatty liver-causing sugar, fish study shows

Gut bacteria help protect the liver by breaking down sorbitol, a sugar made from glucose in the gut.

Largest oral microbiota catalog reveals bacteria linked to oral and systemic health 

The researchers created a microbial catalog, which they called HROM (human reference oral microbiome), containing 72,641 high-quality genomes from 3,426 species.

Beyond bacteria: yeasts, trained immunity, and next-generation Saccharomyces probiotics

Duccio Cavalieri, professor at the University of Florence, shifts the spotlight from bacteria to the less-explored fungal and yeast communities of the microbiome, highlighting their emerging role in shaping host…

Microbial metabolites may help immune cells fight melanoma 

Diet and gut microbes can shape immune cell function and improve responses to anti-cancer therapy.

Some gut bacteria may reduce steroid hormone activity

A gut bacterium, Clostridium steroidoreducens, can chemically modify steroid hormones, including those used to treat IBD. 

Global probiotic supplements in 2024: A $9.4B market, China’s surge, Europe’s e-commerce paradox, and fragmented regulation

Microbiomepost conducted an exclusive interview with George Paraskevakos, Executive Director at International Probiotic Association in order to discuss the global market of biotic products in 2025.

Specific gut bacteria regulate intestinal motility by producing serotonin

L. mucosae and L. ruminis can produce serotonin in the gut, where it promotes nerve growth and regulates intestinal motility.

Distinct gut microbes and metabolites underlie differences in irritable bowel syndrome 

Researchers have found that certain gut bacteria and their metabolites differ between IBS subtypes.

Why probiotic health claims rarely succeed at EFSA: evidence standards, study populations, and the challenge of live microorganisms

Ger T. Rijkers, University College Roosevelt, Netherlands, discusses the regulatory frame about probiotics in Europe.

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