Lactobacillus News and Research

RSS

Compound YZG-331 leverages gut microbiota to improve sleep in mouse models of insomnia

This new article publication from Acta Pharmaceutica Sinica B discusses how interactions between the investigational compound YZG-331 and the gut microbiota contribute to its sleep-promoting effects in mouse models of insomnia.

5 Nov 2026

Gut microbial catalog reveals systemic inflammation drivers in spinal injury

Scientists exploring the links between a spinal cord injury, inflammation and immune function have turned their attention to a genome-level analysis of the gut microbial community, with early study results offering hints at potential new approaches to aid healing.

30 Oct 2026

Researchers tested an unexpected addition to vaginal treatment: oxygen

Researchers investigated the effects of topical vaginal oxygen treatment, alone or combined with antimicrobials, on the vaginal microbiota of 22 women with bacterial vaginosis or vaginitis. The combined treatment reduced the relative abundance of strict anaerobes and increased Lactobacillus abundance, but the absence of an antimicrobial-only control group prevented researchers from establishing whether oxygen contributed independently to these changes.

28 Oct 2026

The vaginal microbiome may relate to more than reproductive health

Researchers analyzed vaginal microbiota, metabolites, and psychological questionnaire scores in 105 young Italian women and found associations between microbial community types and reward responsiveness, motivational drive, and behavioral inhibition. Exploratory models identified statistical links involving vaginal GABA and valine, but the cross-sectional study could not establish whether microbiome changes influence psychological functioning or the reverse.

26 Oct 2026

Biological framework tracks postpartum vulvar tissue recovery timelines

A new biological model published in Sexual Medicine Reviews by Oxford University Press addresses why pain with sex after childbirth-reported by 60% of women at three months-persists for some long after hormones return to normal.

21 Oct 2026

High-fiber diet beats metformin for blood sugar and weight in trial

High-fiber diet improves blood sugar and weight more than metformin in a small diabetes trial.

7 Oct 2026

A child's gut microbiome may offer early clues to type 1 diabetes risk

Researchers tracking 887 children at high genetic risk of type 1 diabetes identified three distinct patterns of gut microbiome maturation during early childhood. One pattern was associated with substantially higher risk of islet autoantibody seroconversion or type 1 diabetes, while host genetic background altered the risk associated with another pattern.

23 Sep 2026

Shatavari may affect more than hormones, and the gut could help explain why

A review in Nutrients examined how bioactive compounds in Asparagus racemosus (Shatavari) may influence cognitive health through the microbiota-gut-brain axis, estrogen-related signaling, neuroinflammation, oxidative stress, and neurotransmitter regulation. Evidence from computational, cellular, animal, and limited human studies suggests several plausible biological pathways, but key questions remain about bioavailability, brain exposure, dosing, and clinical efficacy.

16 Sep 2026

Fermented dairy was linked to lower mortality, but the pattern shifted at higher intakes

Analysis of 37,366 US adults found that fermented dairy consumption was associated with lower all-cause and cardiovascular mortality, with consumers showing adjusted hazards 18% and 20% lower, respectively, than non-consumers. Dose-response analyses indicated that the inverse association was concentrated at intakes below about 150 grams per day, while the observational study could not establish causality.

16 Sep 2026

The vaginal microbiome may be an overlooked reservoir of antibiotic resistance

Researchers analyzed 1,957 vaginal metagenomic samples from 1,547 pregnant women and found that bacterial community structure was strongly associated with the diversity and distribution of clinically relevant antibiotic resistance genes. Lactobacillus crispatus-dominated communities carried comparatively few acquired resistance genes, while L. iners-dominated and anaerobe-rich communities showed greater resistance diversity, with PPROM associated with broader predicted resistance profiles among ARG-positive samples.

7 Sep 2026

What your gut microbes may have to do with how your brain ages

This review examines how diet-driven changes in the gut microbiota and microbial metabolites may influence cognitive aging through immune, metabolic, neural, endocrine, and barrier-related pathways. It highlights SCFAs, tryptophan-derived metabolites, and bile acids as key signaling mediators while emphasizing that much of the mechanistic evidence remains preclinical and human evidence is largely associative.

3 Sep 2026

Probiotics for mental health? A new review finds promising signals and major gaps

This narrative review examines how psychobiotics may influence anxiety, depression, bipolar disorder, and schizophrenia through gut-brain pathways involving neurotransmitters, inflammation, immune regulation, gut barrier function, and stress signaling. Specific Lactobacillus and Bifidobacterium strains showed encouraging effects, but wide differences in strains, doses, populations, and study designs currently limit clinical translation.

28 Aug 2026

Scientists reviewed 20 edible and medicinal fungi for clues to better prebiotics

A review of 20 non-toxic edible and medicinal fungal species found that their polysaccharides can resist digestion, interact with gut microbes, and influence microbial metabolites linked to intestinal and metabolic health. The evidence suggests potential benefits for conditions including colitis, type 2 diabetes, and obesity, although most findings currently come from laboratory and animal studies.

27 Aug 2026

Why pulses could play a bigger role in healthy and sustainable diets

A narrative review finds that pulses may support gut and metabolic health through their fiber, protein, phytochemicals, and interactions with the gut microbiota, while offering a lower environmental footprint than many animal protein sources. Human evidence is strongest for selected cardiometabolic outcomes, while many microbiome and fermentation-related benefits remain supported mainly by animal and laboratory studies.

9 Aug 2026

Mouse study shows how liraglutide briefly rewires gut bacterial communities

Researchers treated male high-fat-fed mice with liraglutide for 14 days, then tracked fecal bacterial communities after a 7-day washout using 16S rRNA sequencing. Liraglutide shifted the microbiome toward Lactobacillus- and Leptogranulimonas-related taxa while reducing several fermentative taxa, but most changes moved back toward baseline after treatment stopped.

4 Aug 2026

Jet lag may disrupt athletes' gut microbiome and slow recovery

The interplay between jet lag and gut microbiome affects athlete performance. Strategies to manage these disruptions are crucial but not yet fully established.

30 Jul 2026

Evidence shows artificial sweeteners cannot be judged as a single group

This narrative review found that non-nutritive artificial sweeteners have compound-specific and context-dependent associations with gut microbiota, metabolism, and health-related outcomes. Evidence does not support treating all sweeteners as uniformly harmful or safe, with human findings often limited or inconsistent.

23 Jul 2026

Maternal diets high in UPFs may influence children’s health years later

A narrative review of 84 publications links higher ultra-processed food intake during pregnancy and early childhood with poorer diet quality, maternal complications, childhood obesity, and potential immune, metabolic, and neurodevelopmental effects. The authors identify possible microbiome and biopsychosocial pathways but emphasize that the predominantly observational evidence cannot establish causality.

17 Jul 2026

Lactoferrin yogurt helps preserve iron stores in women with gestational diabetes

In a double-blind pilot trial, lactoferrin-enriched yogurt added to routine iron supplementation helped prevent ferritin decline in pregnant women with gestational diabetes and reduced iron stores. The intervention was well tolerated and produced modest changes in selected gut bacteria, but did not significantly improve anemia or metabolic outcomes.

15 Jul 2026

Gut microbiota may shape eating behavior and guide new obesity treatments

The review shows how gut microbiota may influence appetite, food reward, inflammation, and energy balance through the gut-brain axis. Microbiota-targeted approaches could support future treatments for obesity and eating disorders, but clinical evidence remains limited.

12 Jul 2026