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Microbiome breakthrough: Gut bacterium may hold key to future treatments for widespread chronic diseases

A new study has identified a common bacterial strain that produces signaling proteins influencing hormonal balance and affecting weight, bone density and blood sugar levels. The researchers discovered that RORDEP-producing bacteria can vary greatly between individuals and that people with high levels of these bacteria tend to be leaner.

New study finds distinct city-specific gut microbiota linked to diet

A new study reveals that the human gut microbiota can pinpoint an individual's city of residence with high accuracy, strongly linked to each city's characteristic diet. The researchers identified unique microbial signatures and interaction networks between cities in China, shedding light on how local environments shape our inner biology.

SourceBGI Genomics·JournalFrontiers in Microbiology·DateJul 23, 2025

Nighttime pistachio snacking may reshape gut microbiome in prediabetic adults

A new study found that consuming pistachios every night for 12 weeks altered bacteria in the gut of adults with prediabetes, increasing beneficial short-chain fatty acids like butyrate. The changes may offer long-term health benefits, potentially slowing Type 2 diabetes development or reducing inflammation.

SourcePenn State·JournalCurrent Developments in Nutrition·TypeRandomized controlled/clinical trial·DateJul 14, 2025

Demystifying gut bacteria with AI

Researchers used Bayesian neural network to identify relationships between gut bacteria and metabolites, providing clues about health. The approach outperformed existing methods in analyzing sleep disorder, obesity, and cancer studies.

SourceUniversity of Tokyo·JournalBriefings in Bioinformatics·TypeComputational simulation/modeling·DateJul 4, 2025

Prizewinner’s research reveals how immune responses to friendly skin microbiota could pave way for novel vaccination responses

Researchers have discovered a sophisticated immune response to beneficial skin microbes that could pave the way for innovative vaccine strategies. By harnessing this preemptive immunity, scientists may develop novel, needle-free vaccinations that protect against pathogens without causing inflammation or disrupting physical barriers.

Fossilized dinosaur gut shows that sauropods barely chewed

A recent study published in Current Biology found that sauropods, a type of herbivorous dinosaur, relied heavily on their gut microbes for digestion. The analysis of plant fossils in the dinosaur's gut suggests that they engaged in minimal oral processing and instead ate bulk feeders.

SourceCell Press·JournalCurrent Biology·TypeObservational study·DateJun 9, 2025

Smithsonian research reveals that probiotics slow spread of deadly disease decimating Caribbean reefs

Researchers have discovered that a bacterial probiotic helps slow the spread of stony coral tissue loss disease (SCTLD) in already infected wild corals in Florida. Applying the probiotic treatment across entire coral colonies helped prevent tissue loss, providing a more lasting protection than traditional antibiotics.

SourceSmithsonian·JournalFrontiers in Marine Science·TypeExperimental study·DateJun 5, 2025

Gut bacteria and acetate, a great combination for weight loss

A study published in Cell Metabolism finds that a combination of gut bacteria and acetate reduces obesity in mice. The researchers discovered that the specific combination of Bacteroides species and acetate leads to increased fat burning and reduced sugar storage, resulting in weight loss.

SourceRIKEN·JournalCell Metabolism·DateMay 19, 2025

Invasive rats and rainforest mammals are sharing gut microbes as urban areas grow

A study by Swansea University reveals that native and invasive small mammals are sharing their gut microbes as habitats change, highlighting the importance of microbiome similarity in adaptation to new environments. This finding has implications for understanding the impact of urbanization on wildlife health and disease spread.

SourceSwansea University·JournalMolecular Ecology·TypeExperimental study·DateMay 1, 2025

Synthetic microbiome therapy suppresses bacterial infection without antibiotics

Researchers developed a synthetic microbiome therapy using limited strains of gut bacteria to effectively protect against C. difficile infections in mice. The treatment was as effective as traditional fecal transplants and had fewer safety concerns, offering a new alternative for treating this notoriously difficult-to-treat infection.

SourcePenn State·JournalCell Host & Microbe·TypeObservational study·DateMar 3, 2025

Microbiome as a potential key to better treatment: Clinical study on new therapy for Crohn's disease

Researchers at TUM have developed a new therapeutic approach combining dietary therapy with fecal microbiome transfer to sustain inflammation-free states in Crohn's disease patients. The study found that the gut microbiome changes as a result of dietary therapy contribute to treatment success.

SourceTechnical University of Munich (TUM)·JournalCell Host & Microbe·TypeRandomized controlled/clinical trial·DateFeb 11, 2025

Gruyère cheese, or a history of the domestication of bacteria

A study published in Nature Communications reveals that bacteria used to produce Gruyère, Emmental, and Sbrinz cheese show signs of ancient domestication. The researchers analyzed genetic and phenotypic characteristics of the bacterial strains over a 50-year period, finding low genetic diversity and high stability of traits specific to...

SourceUniversity of Lausanne·JournalNature Communications·TypeExperimental study·DateDec 17, 2024

Microbes in mouth reflect lifestyle choices

A recent study published in the journal Microbiome found that lifestyle factors, such as diet and smoking habits, significantly impact the composition of beneficial bacteria in the mouth. The research team analyzed saliva samples from individuals representing different subsistence strategies in Nepal and discovered a correlation betwee...

SourcePenn State·JournalMicrobiome·DateNov 5, 2024

Beneficial gut microbe has surprising metabolic capabilities

Researchers discovered a beneficial gut bacterium that produces an enzyme capable of metabolizing key molecules involved in regulating appetite, immune responses, and neuronal function. The discovery highlights the importance of gut microbes in human physiology and may lead to new strategies for maintaining health and treating diseases.

SourceWashU Medicine·JournalScience·TypeExperimental study·DateOct 24, 2024