Bifidobacteria metabolize lactulose to optimize gut metabolites and prevent systemic infection in patients with liver disease

MA Odenwald, H Lin, C Lehmann, NP Dylla… - Nature …, 2023 - nature.com
Progression of chronic liver disease is precipitated by hepatocyte loss, inflammation and
fibrosis. This process results in the loss of critical hepatic functions, increasing morbidity and …

Fecal metabolite profiling identifies liver transplant recipients at risk for postoperative infection

CJ Lehmann, NP Dylla, M Odenwald, R Nayak… - Cell host & …, 2024 - cell.com
Metabolites produced by the intestinal microbiome modulate mucosal immune defenses and
optimize epithelial barrier function. Intestinal dysbiosis, including loss of intestinal …

Ecological dynamics of Enterobacteriaceae in the human gut microbiome across global populations

Q Yin, AC da Silva, F Zorrilla, AS Almeida, KR Patil… - Nature …, 2025 - nature.com
Gut bacteria from the Enterobacteriaceae family are a major cause of opportunistic infections
worldwide. Given their prevalence among healthy human gut microbiomes, interspecies …

Klebsiella oxytoca facilitates microbiome recovery via antibiotic degradation and restores colonization resistance in a diet-dependent manner

ÉH Almási, L Eisenhard, L Osbelt, TR Lesker… - Nature …, 2025 - nature.com
Competition among bacteria for carbohydrates is pivotal for colonization resistance (CR).
However, the impact of Western-style diets on CR remains unclear. Here we show how the …

Klebsiella oxytoca inhibits Salmonella infection through multiple microbiota-context-dependent mechanisms

L Osbelt, ÉH Almási, M Wende, S Kienesberger… - Nature …, 2024 - nature.com
The Klebsiella oxytoca species complex is part of the human microbiome, especially during
infancy and childhood. K. oxytoca species complex strains can produce enterotoxins …

[HTML][HTML] Microbiota and metabolic adaptation shape Staphylococcus aureus virulence and antimicrobial resistance during intestinal colonization

C Zhou, MB Pawline, A Pironti, SM Morales, AI Perault… - bioRxiv, 2024 - ncbi.nlm.nih.gov
Depletion of microbiota increases susceptibility to gastrointestinal colonization and
subsequent infection by opportunistic pathogens such as methicillin-resistant …

Gut protective Klebsiella species promotes microbiota recovery and pathobiont clearance while preventing inflammation

V Cabral, RA Oliveira, MB Correia, MF Pedro, C Ubeda… - bioRxiv, 2023 - biorxiv.org
The microbiota inhabiting the mammalian gut serves as a protective barrier against
pathogen invasion through a mechanism known as colonization resistance. Antibiotic …

Sugar-rich foods exacerbate antibiotic-induced microbiome injury

A Dai, PA Adintori, T Funnell, WP Jogia, T Fei… - bioRxiv, 2024 - biorxiv.org
Intestinal microbiota composition is implicated in several diseases; understanding the
factors that influence it are key to elucidating host-commensal interactions and to designing …