Microbiota News

Microbiota News

Structured summaries of the scientific literature, updated daily.

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Mechanistic pathways linking gut microbial metabolites to mitochondrial function

A systematic review identifies four microbial metabolite classes with moderate-certainty evidence for direct effects on …

Aug 8, 2026
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Faecal microbiota transplantation for acute lower GI graft-versus-host disease: Cochrane review protocol

This document is solely a Cochrane review protocol — no efficacy or safety data have been collected or analysed.

Aug 8, 2026
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Effect of Acute Ketone Monoester Ingestion on Psychomotor Vigilance During Acute Severe Hypoxia

Ketone monoester ingestion attenuated the hypoxia-induced decline in mean reaction time during simulated high-altitude e…

Aug 7, 2026
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Bibliometric trends in IBS and gut microbiome research: cross-database analysis

Scientific output on IBS and the gut microbiome grew from fewer than 10 articles per year before 2010 to 162 in 2025, wi…

Aug 7, 2026
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Eight-week synbiotic supplementation in children with MASLD: randomized controlled trial

An 8-week synbiotic intervention produced statistically significant reductions in BMI, triglycerides, total cholesterol,…

Aug 6, 2026
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Fecal microbiome transplant in food allergy: bile acid metabolites implicated in oral tolerance

Oral encapsulated FMT showed a preliminary signal of increased peanut reactivity threshold in a subset of allergic adult…

Aug 6, 2026
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Knowledge mapping and bibliometric analysis of metabolic phenotypes in childhood and adolescent obesity (2000–2026)

A bibliometric analysis of 4,963 records maps three evolutionary phases of research on metabolic phenotypes in pediatric…

Aug 6, 2026
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Modulating the Gut-Liver Axis: Anti-Inflammatory Mechanisms of Probiotics and Prebiotics in MASLD

Narrative review describes how probiotics and prebiotics modulate inflammatory cytokines via the TLR4/NF-κB axis in meta…

Aug 5, 2026
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Semaglutide, Sarcopenia, and Refractory Hyperglycemia: A Case-Driven Hypothesis

A single clinical case generated a mechanistic hypothesis that semaglutide-induced sarcopenia may drive refractory hyper…

Aug 5, 2026
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Gynecologic Manifestations of Leukemia in Reproductive-Age Women: Ultrasound, Cytology, and Microbiota Findings

Women with leukemia show high prevalence of severe vaginal dysbiosis, menstrual disorders, and cervical cytological abno…

Aug 4, 2026
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Effect of probiotics on humoral responses to COVID-19 vaccination in older adults: a randomized, placebo-controlled trial (PIRATES-COV study)

Supplementation with L. rhamnosus Rosell-11 and L. paracasei Rosell-215 did not improve anti-S1-RBD antibody responses s…

Aug 3, 2026
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Multi-strain probiotic during short-term travel: effects on gut microbiota and systemic symptoms

A five-day Bifidobacterium probiotic regimen during domestic travel altered gut microbiota composition without changing …

Aug 3, 2026
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Gut dysbiosis in experimental cholestasis by bile duct ligation: systematic review in rodents

Bile duct ligation consistently induces gut dysbiosis in rodents, with reduced alpha diversity and recurrent taxonomic s…

Aug 3, 2026
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Effects of Bifidobacterium animalis subsp. lactis CP-9 on gut microbiota and immune functions in healthy infants

Three-month CP-9 supplementation increased intestinal Bifidobacterium abundance and improved stool characteristics in he…

Aug 2, 2026
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The skin microbiome: the overlooked axis in modern dermatology

Narrative editorial concludes that the cutaneous microbiome is relevant to skin disease, but current associations are pr…

Aug 2, 2026
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Effects of probiotic supplementation on gut barrier function in combat athletes during pre-competition weight loss

A 4-week complex probiotic supplementation reduced gut permeability markers and systemic inflammation in combat athletes…

Aug 1, 2026
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Chitosan supplementation and lifestyle changes in Icelandic women with obesity: effects on health and gut microbiota

Chitosan supplementation reduced the Firmicutes/Bacteroidota ratio, but no differentially abundant taxa were identified;…

Jul 31, 2026
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Gut microbiome biomarkers for colorectal cancer detection: systematic review highlighting age as a key confounder

Diagnostic performance of gut microbiome biomarkers for colorectal cancer is significantly moderated by age differences …

Jul 31, 2026
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Probiotics for atopic dermatitis prevention in infants: meta-analysis finds no significant protective effect

A meta-analysis of 18 RCTs with 10,195 participants found no statistically significant reduction in atopic dermatitis ri…

Jul 31, 2026
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Autoprobiotic supplements attenuate obesity and improve gut microbiota and metabolism in metabolic syndrome: a pilot trial

Autologous Enterococcus faecium and E. hirae supplementation reduced HbA1c and triglycerides compared to control in meta…

Jul 30, 2026
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Expert Consensus on Coriolus versicolor Vaginal Gel for HPV-Positive Women with Low-Grade Cervical Lesions

A multidisciplinary expert panel reached formal consensus that a Coriolus versicolor-based vaginal gel may increase lesi…

Jul 30, 2026
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Sex- and gender-specific differences in efficacy and safety of traditional Chinese medicine: a scoping review

A scoping review found only 16 studies addressing sex/gender differences in traditional Chinese medicine interventions, …

Jul 30, 2026
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Localized prebiotic nitrate supplementation remodels oral biofilm metabolism and reduces gingival inflammation: a randomized placebo-controlled trial

Localized nitrate application for 21 days reduced bleeding on probing from 25.7% to 15.3% in adults with gingival inflam…

Jul 29, 2026
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Phytonutrient-enriched prebiotic mixture enhances probiotic effects: ex vivo screening and human clinical trial

Combining a phytonutrient-enriched prebiotic mixture with probiotics produced greater increases in butyrate and total SC…

Jul 29, 2026
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Microbiota-epigenome axis: microbial metabolites as modulators of host gene expression

A narrative review maps how gut microbiota-derived metabolites — SCFAs, urolithins, and phenolic acids — modulate host e…

Jul 29, 2026
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Selenium, gut microbiota, and systemic health: narrative review of the Se-gut-tissue axis

A narrative review proposes that dietary selenium modulates gut microbiota composition and, through this pathway, may in…

Jul 28, 2026
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Grapevine branch-leaf silage in Kazakh ram diets: growth performance, serum biochemistry, and rumen microbiota

Replacing 50% of corn silage with grapevine branch-leaf silage maximized daily gain and feed intake in Kazakh rams, alon…

Jul 28, 2026
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Dietary L-Citrulline Supplementation Promotes Rumen Development and Modulates the Microbiota-Metabolome Axis in Suckling Hu Lambs

L-citrulline at 2 g/day improved rumen morphometry, starter intake, and volatile fatty acid profile in suckling lambs, w…

Jul 27, 2026
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A Kidney-Microbiome Short- and Medium-Chain Fatty Acid Loop Mediated by OAT1: Implications for the Remote Sensing and Signaling Theory

Renal transporter OAT1 forms a bidirectional feedback loop with gut microbiota through short- and medium-chain fatty aci…

Jul 27, 2026
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Genistein attenuates ovalbumin-induced food allergy in mice: intestinal barrier, gut microbiota, and metabolites

Genistein pretreatment reduced experimental food allergy signs in mice, with associated changes in gut microbiota and fe…

Jul 27, 2026
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Microbial metabolite butyrate activates sensory neurons through colonic serotonin release in a microfluidic co-culture model

A microfluidic tri-culture model was developed to investigate butyrate-driven serotonin-mediated signaling between colon…

Jul 26, 2026
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Transcutaneous auricular vagus nerve stimulation in major depressive disorder: brain-gut interaction mechanisms

A registered RCT in 80 patients with MDD used multimodal assessment—rs-fMRI and gut metagenomics—to investigate taVNS br…

Jul 26, 2026
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Yeast culture promotes butyrate-producing fibrolytic bacteria as intracellular hydrogen sinks in the rumen

Yeast culture supplementation (1%) improved body weight gain, fiber digestibility, and ruminal pH in starch-fed lambs, w…

Jul 25, 2026
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Gut commensal Odoribacter splanchnicus attenuates hyperlipidemic periodontitis via gut-oral metabolic transmission of β-GPA

Depletion of Odoribacter splanchnicus in the gut is associated with hyperlipidemic periodontitis, and its repletion or s…

Jul 25, 2026
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Gut Microbiota Modulation Attenuates Myocardial Ischemia-Reperfusion Injury in Diabetic Mice

Fecal microbiota transplantation from lean donors reduced myocardial infarct size in diabetic mice subjected to ischemia…

Jul 25, 2026
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Resistant starch and polydextrose exert distinct effects on bile acid profiles in healthy adults

Resistant starch supplementation raised conjugated plasma bile acids, while polydextrose reduced secondary bile acid tra…

Jul 24, 2026
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Heat-treated Lactiplantibacillus plantarum LM1004: microbiome modulation and NK cell activity in a randomized clinical trial

Eight weeks of HT-LM1004 supplementation significantly increased NK cell activity and white blood cell counts compared t…

Jul 24, 2026
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Cost-effectiveness of Commercial or Traditional Fecal Microbiota Transplantation for Recurrent Clostridioides difficile Infection

Colonoscopy-delivered FMT is the dominant cost-effective strategy for rCDI; FDA-approved commercial microbiota therapeut…

Jul 23, 2026
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Separated moxibustion in rheumatoid arthritis: clinical efficacy and gut microbiota modulation

Adding separated moxibustion to conventional drug therapy was associated with improvements in RA clinical scores and neg…

Jul 23, 2026
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Del-Immune V and microbiome restructuring in colorectal cancer surgery: a randomized double-blind placebo-controlled trial

Perioperative supplementation with Del-Immune V (a L. rhamnosus-derived metabiotic) significantly reduced IL-6 and alter…

Jul 23, 2026
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Gut Microbiota in Colorectal Cancer: Mechanistic Insights, Clinical Strategies, and a Regional Perspective Focused on Sichuan, China

Narrative review outlines proposed mechanisms linking gut microbiota to colorectal carcinogenesis, with a regional focus…

Jul 22, 2026
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Gut Microbiome in HIV Pathogenesis: Dysbiosis, Immune Dysfunction, and Viral Persistence

Narrative review synthesizes evidence that gut dysbiosis in HIV infection perpetuates systemic inflammation, impairs imm…

Jul 22, 2026
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Gut microbiota at high altitude: microbial remodeling, immunity, and adaptation

A systematic review describes how high-altitude environments restructure gut microbiota and modulate immune responses vi…

Jul 22, 2026
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Interaction of dietary polyphenols and gut microbiota: microbial metabolism, influence, and implications for host health

Narrative review examines the bidirectional relationship between dietary polyphenols and gut microbiota, covering microb…

Jul 21, 2026
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Washed microbiota transplantation (WMT) in children with ASD: efficacy and donor-recipient microbial characteristics

WMT produced statistically significant improvement in core symptoms, sleep disturbances, and gastrointestinal symptoms i…

Jul 21, 2026
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Ultrasound-assessed abdominal fat distribution and sarcopenia parameters in community-dwelling young older adults

VAT was positively associated with muscle mass indices, while SAT was negatively associated with physical performance an…

Jul 20, 2026
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Dupilumab and skin microbiome shifts in Netherton syndrome: case report and literature review

In a single patient with Netherton syndrome, dupilumab was associated with increased cutaneous microbial diversity over …

Jul 20, 2026
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Fecal microbiota transplantation for post-surgical chronic constipation in an elderly patient: case report

A single elderly patient with refractory chronic constipation and surgically altered bowel anatomy showed symptomatic re…

Jul 20, 2026
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Oral Microbial and Metabolic Alterations in Patients With Oral Lichen Planus Concomitant With Type 2 Diabetes Mellitus

Patients with co-occurring oral lichen planus and type 2 diabetes show reduced salivary alpha diversity, elevated Pseudo…

Jul 19, 2026
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Heat-inactivated Lacticaseibacillus paracasei fermented milk (postbiotic) did not outperform placebo for functional constipation

A 4-week double-blind RCT found no significant between-group difference in any primary or secondary clinical outcome for…

Jul 19, 2026
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Probiotic supplementation and gut microbiota in children with autism: a pilot randomised controlled trial

A pilot RCT in 23 children with ASD found no significant changes in gut microbiota diversity following four months of mu…

Jul 18, 2026
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Branched-chain amino acid metabolism and microbiome in adolescents with obesity during weight loss therapy

Adolescents with severe obesity show elevated serum BCAAs but reduced BCKAs, a pattern distinct from obese adults who ex…

Jul 18, 2026
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Bacterial bioremediation of metal-contaminated soils in Sub-Saharan Africa: systematic review

A systematic review identifies Bacillus and Pseudomonas as the predominant genera in bacterial bioremediation of mining-…

Jul 18, 2026
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Effects of Probiotic-Phytonutrient Blends on Defecation, Intestinal Barrier Function, and Gut Microbiota: A Randomized, Placebo-Controlled Trial

Two probiotic-phytonutrient formulations improved stool consistency and increased fecal SCFAs compared to placebo over 8…

Jul 17, 2026
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Gut Microbiota Composition and Plasma Metabolomic Profile Associated with Amyloid Pathology and Cognitive Performance in MCI Patients

In 47 MCI patients, higher amyloid burden and worse cognitive performance were associated with distinct gut microbiota a…

Jul 17, 2026
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RCT Protocol on Pectin Supplementation in MASLD: Systemic Inflammation, Gut Microbiome, and Metabolic Health

This abstract describes a trial protocol only — no efficacy results are available.

Jul 17, 2026
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CaHMB supplementation during caloric restriction in adults with obesity: a randomized controlled trial

Calcium beta-hydroxy-beta-methylbutyrate (CaHMB) supplementation preserved skeletal muscle mass over 12 weeks of energy …

Jul 16, 2026
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Strain-Specific Effects of Early-Life Probiotic Supplementation on Respiratory Infections in Infants: A Systematic Review and Meta-Analysis

Probiotic or synbiotic supplementation in the first 24 months of life did not significantly reduce the risk of upper res…

Jul 16, 2026
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Rifaximin plus probiotics reshape gut microbiota, serum propionate and mucosal immunity in cirrhosis-related hepatic encephalopathy

Adding a multistrain probiotic to rifaximin was associated with a graded reduction in serum ammonia and hepatic encephal…

Jul 15, 2026
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Efficacy of probiotic and synbiotic supplementation on metabolic and endocrine parameters in PCOS: a meta-analysis of RCTs

Probiotic and synbiotic supplementation significantly reduced fasting insulin, total testosterone, triglycerides, LDL-c,…

Jul 15, 2026

Microbiota Weekly

The week in microbiota evidence, in your language. Structured summaries, traceable to the source.