The use of antibiotics in agriculture is under increasing scrutiny due to the rising spread of antimicrobial-resistant bacteria. Our study showed that common preventative antibiotic intramammary treatment of cows with cephalosporins at the end of their lactation (dry-off) had minimal effects on the milk and teat skin microbiota of asymptomatic cows with high somatic cell counts.

Non-alcoholic fermented foods (FFs) are a popular food group with consumers; however limited studies exist evaluating the motivations for consuming FFs and t...

Gut health is a commonly used term that previously had no scientific definition. In the paper, the group defines gut health as: “a state of normal gastrointestinal function without active gastrointest...

Nature Reviews Gastroenterology & Hepatology, Published online: 18 February 2026; doi:10.1038/s41575-026-01176-xThis Consensus Statement provides a definition of the term ‘gut health’, as well as a discussion of the relevant domains that contribute to gut health and a framework for appropriate use of the term in the context of therapeutic interventions.

This Consensus Statement provides a definition of the term ‘gut health’, as well as a discussion of the relevant domains that contribute to gut health and a framework for appropriate use of the term i...

Abstract. In this narrative review, we examined observational and randomized controlled trials investigating the effects of fermented dairy foods, includin

Lactobacilli are important members of human, animal and insect microbiomes and are prominent in food fermentations. In this Review, Mejía-Caballero and Marco explore the diversity of lactobacilli, foc...

Nature Reviews Microbiology, Published online: 23 July 2025; doi:10.1038/s41579-025-01205-7Lactobacilli are important members of human, animal and insect microbiomes and are prominent in food fermentations. In this Review, Mejía-Caballero and Marco explore the diversity of lactobacilli, focusing on their fundamental traits and their applications in foods and medicine.

Two experts explain the science of probiotics and how to answer the question of whether you should take a probiotic.

Fermented vegetables are increasingly associated with health benefits. However, the importance of microbial transformations to foods during the fermentation process remains to be determined. We found ...

Maria Marco, microbiologist and professor with the Department of Food Science and Technology, has been elected to the 2025 class of fellows for the American Academy of Microbiology. Marco has been wit...

Lacto-fermented fruits and vegetables (FVs) such as kimchi, sauerkraut, and fermented olives and nonalcoholic juices have a long history as dietary staples. Herein, the production steps and microbial ...