Free shipping both waysResults 4–5 weeks after lab receipt

The evidence base

The research behind every report.

Every GutID report is interpreted against published literature. This is that literature in full, with a short note on what each paper covers and what kind of study it is, so you can judge how much weight it carries.

Microbial Genomics · 2022

Finding the right fit: evaluation of short-read and long-read sequencing approaches to maximize the utility of clinical microbiome data

Gehrig et al.

Nutrients · 2020

The Firmicutes/Bacteroidetes ratio: a relevant marker of gut dysbiosis in obese patients?

Magne et al.

Circulation Research · 2021

The gut microbiome in hypertension

Avery et al.

94 papers cited in the back of every report

49 on mechanism and clinical context

45 on diet, supplements and medication

30+ peer-reviewed publications using the long-read approach behind Titan-1

Papers cited in every report

2023
Mechanism

Role of the Gut Microbiome in the Development of Atherosclerotic Cardiovascular Disease

Ahmad Al Samarraie et al. · International Journal of Molecular Sciences, 24(6), 5420-5420

Reviews the gut microbiome’s proposed role in atherosclerotic cardiovascular disease. Gut–heart axis.

Read the paper (opens in a new tab) ↗

2021
Mechanism

The Gut Microbiome in Hypertension

Avery et al. · Circulation Research, 128(7), 934-950

Review of the gut microbiome in high blood pressure. Gut–heart axis.

Read the paper (opens in a new tab) ↗

2023
Mechanism

The Long-Term Effects of a Low–Fermentable Oligosaccharides, Disaccharides, Monosaccharides, and Polyols Diet for Irritable Bowel Syndrome Management

Bardacke et al. · Current Developments in Nutrition, 7(10), 101997

Examines longer-term outcomes of the low-FODMAP diet in IBS management.

Read the paper (opens in a new tab) ↗

2022
Mechanism

Type 2 Diabetes and the Microbiome

Barlow & Mathur · Journal of the Endocrine Society, 7(2), bvac184

Review of the microbiome in type 2 diabetes. Gut–metabolism axis.

Read the paper (opens in a new tab) ↗

2019
Mechanism

Short-Chain Fatty Acid Propionate Protects From Hypertensive Cardiovascular Damage

Bartolomaeus et al. · Circulation, 139(11), 1407-1421

Experimental study of the short-chain fatty acid propionate in hypertensive cardiovascular damage.

Read the paper (opens in a new tab) ↗

2023
Mechanism

Deciphering psychobiotics’ mechanism of action: bacterial extracellular vesicles in the spotlight

Bleibel et al. · Frontiers in Microbiology, 14

Reviews how psychobiotics might act, focusing on bacterial extracellular vesicles. Gut–brain axis.

Read the paper (opens in a new tab) ↗

2022
Mechanism

Trimethylamine N-oxide reduction is related to probiotic strain specificity: A systematic review

Cantero et al. · Nutrition Research, 104, 29-35

Systematic review of TMAO and probiotic strain specificity, relevant to how TMAO is reported.

Read the paper (opens in a new tab) ↗

2016
Mechanism

Interplay between bile acid metabolism and microbiota in irritable bowel syndrome

Dior et al. · Neurogastroenterology and Motility, 28(9), 1330-1340

Studies bile acid metabolism alongside gut bacteria in IBS.

Read the paper (opens in a new tab) ↗

2020
Mechanism

Bifidobacterium adolescentis as a key member of the human gut microbiota in the production of GABA

Duranti et al. · Scientific Reports, 10

Examines a named organism’s part in GABA production. Underpins how neurotransmitter-related organisms are read.

Read the paper (opens in a new tab) ↗

2023
Mechanism

The dietary source of trimethylamine N-oxide and clinical outcomes: an unexpected liaison

Evans et al. · Ndt Plus, 16(11), 1804-1812

Looks at where dietary TMAO comes from and how it relates to clinical outcomes.

Read the paper (opens in a new tab) ↗

2022
Mechanism

Finding the right fit: evaluation of short-read and long-read sequencing approaches to maximize the utility of clinical microbiome data

Gehrig et al. · Microbial Genomics, 8(3)

Independent comparison of short-read and long-read sequencing for clinical microbiome work. This is the paper the Titan-1 comparison table draws on.

Read the paper (opens in a new tab) ↗

2023
Mechanism

Microbiota from Alzheimer’s patients induce deficits in cognition and hippocampal neurogenesis

Grabrucker et al. · Brain, 146(12)

Transfer study testing whether microbiota from Alzheimer’s patients affect cognition in animals. Gut–brain axis.

Read the paper (opens in a new tab) ↗

2022
Mechanism

Role of Microbiota-Gut-Brain Axis in Regulating Dopaminergic Signaling

Hamamah et al. · Biomedicines, 10(2), 436

Reviews the gut–brain axis in dopamine signaling.

Read the paper (opens in a new tab) ↗

2014
Mechanism

Expert consensus document. The International Scientific Association for Probiotics and Prebiotics consensus statement on the scope and appropriate use of the term probiotic

Hill et al. · Nature Reviews Gastroenterology & Hepatology, 11(8), 506-514

The ISAPP consensus definition of "probiotic". This is the definition the report uses.

Read the paper (opens in a new tab) ↗

2022
Mechanism

B Vitamins and Their Roles in Gut Health

Hossain et al. · Microorganisms, 10(6), 1168

Reviews B vitamins in gut health, including bacterial synthesis.

Read the paper (opens in a new tab) ↗

2021
Mechanism

Associations of healthy food choices with gut microbiota profiles

Koponen et al. · The American Journal of Clinical Nutrition, 114(2), 605-616

Population study relating healthy food choices to gut community profiles.

Read the paper (opens in a new tab) ↗

2019
Mechanism

Optimizing microbiome sequencing for small intestinal aspirates: validation of novel techniques through the REIMAGINE study

Leite et al. · BMC Microbiology, 19(1)

Methods work on sequencing small intestinal aspirates, relevant to what stool can and cannot show about the small intestine.

Read the paper (opens in a new tab) ↗

2019
Mechanism

Effects of regulating gut microbiota on the serotonin metabolism in the chronic unpredictable mild stress rat model

Li et al. · Neurogastroenterology and Motility, 31(10), e13677

Rat model study of gut bacteria and serotonin metabolism under chronic stress. Gut–brain axis.

Read the paper (opens in a new tab) ↗

2023
Mechanism

Gut Barrier Dysfunction and Bacterial Lipopolysaccharides in Colorectal Cancer

Li et al. · Journal of Gastrointestinal Surgery, 27(7), 1466-1472

Examines barrier dysfunction and bacterial LPS in colorectal cancer. Background to how barrier and LPS-bearing organisms are reported.

Read the paper (opens in a new tab) ↗

2021
Mechanism

New Insights Into Gut-Bacteria-Derived Indole and Its Derivatives in Intestinal and Liver Diseases

Li et al. · Frontiers in Pharmacology, 12

Reviews bacterially produced indole compounds in intestinal and liver disease.

Read the paper (opens in a new tab) ↗

2022
Mechanism

Gut bacterial profiles in Parkinson’s disease: A systematic review

Li et al. · CNS Neuroscience & Therapeutics, 28(9), 1359-1372

Systematic review of gut bacterial profiles reported in Parkinson’s disease.

Read the paper (opens in a new tab) ↗

2020
Mechanism

Potential Bidirectional Relationship Between Periodontitis and Alzheimer’s Disease

Liccardo et al. · Frontiers in Physiology, 11(11)

Reviews a possible two-way link between gum disease and Alzheimer’s, context for oral-origin organisms found in the gut.

Read the paper (opens in a new tab) ↗

2020
Mechanism

Trimethylamine N-Oxide Generated by the Gut Microbiota Is Associated with Vascular Inflammation: New Insights into Atherosclerosis

Liu & Dai · Mediators of Inflammation, 2020, 1-15

Reviews bacterially generated TMAO in relation to vascular inflammation.

Read the paper (opens in a new tab) ↗

2020
Mechanism

The Firmicutes/Bacteroidetes Ratio: A Relevant Marker of Gut Dysbiosis in Obese Patients?

Magne et al. · Nutrients, 12(5), 1474

Questions how much weight the F/B ratio should carry as a dysbiosis marker. Directly relevant to how the report presents that ratio.

Read the paper (opens in a new tab) ↗

2019
Mechanism

Discovery and inhibition of an interspecies gut bacterial pathway for Levodopa metabolism

Maini Rekdal et al. · Science, 364(6445), eaau6323

Identifies a gut bacterial pathway that metabolizes levodopa, a worked example of bacteria altering a drug.

Read the paper (opens in a new tab) ↗

2013
Mechanism

Role of commensal and probiotic bacteria in human health: a focus on inflammatory bowel disease

Martín et al. · Microbial Cell Factories, 12(1), 71

Reviews commensal and probiotic organisms in health, focused on IBD.

Read the paper (opens in a new tab) ↗

2023
Mechanism

The Intestinal and Skin Microbiome in Patients with Atopic Dermatitis and Their Influence on the Course of the Disease: A Literature Review

Mazur et al. · Healthcare, 11(5), 766

Literature review covering both gut and skin communities in atopic dermatitis. Gut–immune axis and skin.

Read the paper (opens in a new tab) ↗

2017
Mechanism

Neurotransmitters: The Critical Modulators Regulating Gut-Brain Axis

Mittal et al. · Journal of Cellular Physiology, 232(9), 2359-2372

Reviews neurotransmitters as the mediators of the gut–brain axis.

Read the paper (opens in a new tab) ↗

2022
Mechanism

Gamma aminobutyric acid production by commercially available probiotic strains

Monteagudo-Mera et al. · Journal of Applied Microbiology, 134(2)

Tests GABA production across commercially available probiotic strains, relevant when a specific supplement is being considered.

Read the paper (opens in a new tab) ↗

2021
Mechanism

Probiotics for Alzheimer’s Disease: A Systematic Review

Naomi et al. · Nutrients, 14(1), 20

Systematic review of probiotic studies in Alzheimer’s disease.

Read the paper (opens in a new tab) ↗

2023
Mechanism

The Low-FODMAP Diet, IBS, and BCFAs: Exploring the Positive, Negative, and Less Desirable Aspects—A Literature Review

Nikolaki et al. · Microorganisms, 11(10), 2387-2387

Reviews the low-FODMAP diet in IBS including its drawbacks, useful when a report suggests it.

Read the paper (opens in a new tab) ↗

2023
Mechanism

The gut microbiome and hypertension

O’Donnell et al. · Nature Reviews Nephrology, 19

Review of the gut microbiome in hypertension. Gut–heart axis.

Read the paper (opens in a new tab) ↗

2023
Mechanism

Natural Product Co-Metabolism and the Microbiota–Gut–Brain Axis in Age-Related Diseases

Obrenovich et al. · Life, 13(1), 41

Reviews host–bacteria co-metabolism of natural products along the gut–brain axis in aging.

Read the paper (opens in a new tab) ↗

2021
Mechanism

Glutamate and depression: Reflecting a deepening knowledge of the gut and brain effects of a ubiquitous molecule

Onaolapo & Onaolapo · World Journal of Psychiatry, 11(7), 297-315

Reviews glutamate across gut and brain in depression.

Read the paper (opens in a new tab) ↗

2022
Mechanism

Medicinal Plants and Their Impact on the Gut Microbiome in Mental Health: A Systematic Review

Pferschy-Wenzig et al. · Nutrients, 14(10), 2111

Systematic review of medicinal plants, the gut community and mental health.

Read the paper (opens in a new tab) ↗

2020
Mechanism

ACG Clinical Guideline

Pimentel et al. · The American Journal of Gastroenterology, 115(2), 165-178

American College of Gastroenterology clinical guideline on small intestinal bacterial overgrowth. A guideline, not a study.

Read the paper (opens in a new tab) ↗

2022
Mechanism

The Gut Microbiota in Inflammatory Bowel Disease

Qiu et al. · Frontiers in Cellular and Infection Microbiology, 12, 733992

Review of the gut community in inflammatory bowel disease.

Read the paper (opens in a new tab) ↗

2021
Mechanism

Meta-analysis of the Parkinson’s disease gut microbiome suggests alterations linked to intestinal inflammation

Romano et al. · npj Parkinson’s Disease, 7(1)

Meta-analysis pooling gut microbiome datasets in Parkinson’s disease.

Read the paper (opens in a new tab) ↗

2022
Mechanism

The dietary treatment of histamine intolerance reduces the abundance of some histamine-secreting bacteria of the gut microbiota in histamine intolerant women: A pilot study

Sánchez-Pérez et al. · Frontiers in Nutrition, 9

Pilot study of a low-histamine diet and histamine-secreting gut bacteria. Small, and described as a pilot.

Read the paper (opens in a new tab) ↗

2022
Mechanism

Gut microbiota and obesity: New insights

Sarmiento-Andrade et al. · Frontiers in Nutrition, 9

Review of the gut community in obesity. Gut–metabolism axis.

Read the paper (opens in a new tab) ↗

2022
Mechanism

Probiotics in Irritable Bowel Syndrome: a Review of Their Therapeutic Role

Satish Kumar et al. · Cureus, 14(4)

Reviews the therapeutic role studied for probiotics in IBS.

Read the paper (opens in a new tab) ↗

2023
Mechanism

Desulfovibrio in the Gut: The Enemy within?

Singh et al. · Microorganisms, 11(7), 1772

Reviews the genus Desulfovibrio and the case for and against treating it as harmful.

Read the paper (opens in a new tab) ↗

2018
Mechanism

Neurotransmitter modulation by the gut microbiota

Strandwitz · Brain Research, 1693(Pt B), 128-133

Reviews how gut bacteria produce and modulate neurotransmitters. Foundational for the gut–brain section.

Read the paper (opens in a new tab) ↗

2022
Mechanism

The Potential Role of Gut Microbiota in Alzheimer’s Disease: From Diagnosis to Treatment

Varesi et al. · Nutrients, 14(3), 668

Reviews the gut community in Alzheimer’s disease across diagnosis and treatment.

Read the paper (opens in a new tab) ↗

2018
Mechanism

Bile Acid Deficiency in a Subgroup of Patients With Irritable Bowel Syndrome With Constipation Based on Biomarkers in Serum and Fecal Samples

Vijayvargiya et al. · Clinical Gastroenterology and Hepatology, 16(4), 522-527

Identifies a bile-acid-deficient subgroup within constipation-predominant IBS.

Read the paper (opens in a new tab) ↗

2022
Mechanism

Metagenomics of Parkinson’s disease implicates the gut microbiome in multiple disease mechanisms

Wallen et al. · Nature Communications, 13(1)

Large metagenomic study of the gut microbiome in Parkinson’s disease.

Read the paper (opens in a new tab) ↗

2021
Mechanism

Lactobacillus lactis and Pediococcus pentosaceus‐driven reprogramming of gut microbiome and metabolome ameliorates the progression of non‐alcoholic fatty liver disease

Yu et al. · Clinical and Translational Medicine, 11(12)

Experimental study of two named strains in non-alcoholic fatty liver disease.

Read the paper (opens in a new tab) ↗

2022
Mechanism

Probiotics Bring New Hope for Atherosclerosis Prevention and Treatment

Zhai et al. · Oxidative Medicine and Cellular Longevity, 2022, 1-13

Reviews probiotics in atherosclerosis prevention and treatment.

Read the paper (opens in a new tab) ↗

2023
Mechanism

Vitamin D alleviates non-alcoholic fatty liver disease via restoring gut microbiota and metabolism

Zhang et al. · Frontiers in Microbiology, 14

Experimental study of vitamin D in non-alcoholic fatty liver disease, via the gut community.

Read the paper (opens in a new tab) ↗

2021
Diet

The Role of the Gut Microbiota on the Beneficial Effects of Ketogenic Diets

Attaye et al. · Nutrients, 14(1), 191

Reviews the gut microbiota’s role in how ketogenic diets act.

Read the paper (opens in a new tab) ↗

2021
Diet

Effects of dietary fibers, micronutrients, and phytonutrients on gut microbiome: a review

Beane et al. · Applied Biological Chemistry, 64(1), 36

Broad review of fibers, micronutrients and phytonutrients as inputs to the gut community.

Read the paper (opens in a new tab) ↗

2018
Diet

Health Effects and Sources of Prebiotic Dietary Fiber

Carlson et al. · Current Developments in Nutrition, 2(3)

Covers what counts as a prebiotic fiber, where it is found, and the health effects studied.

Read the paper (opens in a new tab) ↗

2023
Diet

Effect of Non-Nutritive Sweeteners on the Gut Microbiota

Conz et al. · Nutrients, 15(8), 1869

Reviews the evidence on non-nutritive sweeteners and gut bacterial composition.

Read the paper (opens in a new tab) ↗

2020
Diet

Nuts and their Effect on Gut Microbiota, Gut Function and Symptoms in Adults: A Systematic Review and Meta-Analysis of Randomised Controlled Trials

Creedon et al. · Nutrients, 12(8), 2347

Systematic review and meta-analysis of randomized trials of nut intake, covering composition, gut function and symptoms.

Read the paper (opens in a new tab) ↗

2019
Diet

Fermented Foods: Definitions and Characteristics, Impact on the Gut Microbiota and Effects on Gastrointestinal Health and Disease

Dimidi et al. · Nutrients, 11(8), 1806

Defines what fermented foods are and reviews their studied effects on the gut and GI health.

Read the paper (opens in a new tab) ↗

2021
Diet

Resistant starch, microbiome, and precision modulation

Dobranowski & Stintzi · Gut Microbes, 13(1), 1926842

Reviews resistant starch as a targeted way to shift the gut community.

Read the paper (opens in a new tab) ↗

2021
Diet

Nutritional Components in Western Diet Versus Mediterranean Diet at the Gut Microbiota–Immune System Interplay. Implications for Health and Disease

García-Montero et al. · Nutrients, 13(2), 699

Compares Western and Mediterranean dietary patterns at the point where the gut community meets the immune system.

Read the paper (opens in a new tab) ↗

2022
Diet

The gastrointestinal and microbiome impact of a resistant starch blend from potato, banana, and apple fibers: A randomized clinical trial using smart caps

Hanes et al. · Frontiers in Nutrition, 9

Randomized clinical trial of a resistant starch blend, measuring both GI and microbiome outcomes.

Read the paper (opens in a new tab) ↗

2022
Diet

Predicting Personalized Responses to Dietary Fiber Interventions: Opportunities for Modulation of the Gut Microbiome to Improve Health

Kok et al. · Annual Review of Food Science and Technology, 14, 157-182

Reviews why fiber interventions work differently in different people, and what predicts the response.

Read the paper (opens in a new tab) ↗

2019
Diet

Beneficial Effects of Dietary Polyphenols on Gut Microbiota and Strategies to Improve Delivery Efficiency

Kumar Singh et al. · Nutrients, 11(9), 2216

Reviews dietary polyphenols and the gut community, including the practical problem of delivery.

Read the paper (opens in a new tab) ↗

2022
Diet

Fermented Foods, Health and the Gut Microbiome

Leeuwendaal et al. · Nutrients, 14(7), 1527

Review of fermented foods in relation to the gut microbiome and health.

Read the paper (opens in a new tab) ↗

2020
Diet

Fatty Acid Diets: Regulation of Gut Microbiota Composition and Obesity and Its Related Metabolic Dysbiosis

Machate et al. · International Journal of Molecular Sciences, 21(11), 4093

Reviews dietary fat composition in relation to the gut community and metabolic dysbiosis.

Read the paper (opens in a new tab) ↗

2021
Diet

Effect on gut microbiota of a 1-y lifestyle intervention with Mediterranean diet compared with energy-reduced Mediterranean diet and physical activity promotion: PREDIMED-Plus Study

Muralidharan et al. · The American Journal of Clinical Nutrition, 114(3), 1148-1158

A one-year randomized lifestyle intervention comparing two Mediterranean-diet arms, with gut composition as an outcome.

Read the paper (opens in a new tab) ↗

2023
Diet

Western diet influences on microbiome and carcinogenesis

Newsome et al. · Seminars in Immunology, 67, 101756

Reviews the Western dietary pattern in relation to the microbiome and cancer development.

Read the paper (opens in a new tab) ↗

2021
Diet

Vitamins, the gut microbiome and gastrointestinal health in humans

Pham et al. · Nutrition Research, 95, 35-53

Reviews the two-way relationship between vitamins and the gut community in humans.

Read the paper (opens in a new tab) ↗

2023
Diet

β-glucans: a potential source for maintaining gut microbiota and the immune system

Ravindra Pal Singh & Bhardwaj · Frontiers in Nutrition, 10, 1143682

Reviews β-glucans as a dietary input to the gut community and immune function.

Read the paper (opens in a new tab) ↗

2022
Diet

Non-nutritive sweeteners and their impacts on the gut microbiome and host physiology

Richardson & Frese · Frontiers in Nutrition, 9, 988144

Reviews non-nutritive sweeteners across both microbiome and host physiology.

Read the paper (opens in a new tab) ↗

2020
Diet

Iron Supplementation Influence on the Gut Microbiota and Probiotic Intake Effect in Iron Deficiency—A Literature-Based Review

Rusu et al. · Nutrients, 12(7), 1993

Literature review of iron supplementation, the gut community, and probiotic intake in iron deficiency.

Read the paper (opens in a new tab) ↗

2020
Diet

The potential role of vitamin D supplementation as a gut microbiota modifier in healthy individuals

Singh et al. · Scientific Reports, 10, 21641

Studies vitamin D supplementation as a way of altering the gut community in healthy adults.

Read the paper (opens in a new tab) ↗

2019
Diet

Sodium, hypertension, and the gut: does the gut microbiota go salty?

Smiljanec & Lennon · American Journal of Physiology. Heart and Circulatory Physiology, 317(6), H1173–H1182

Reviews dietary sodium, blood pressure and the gut community as a possible link between them.

Read the paper (opens in a new tab) ↗

2018
Diet

Potential Prebiotic Properties of Nuts and Edible Seeds and Their Relationship to Obesity

Sugizaki & Naves · Nutrients, 10(11), 1645

Reviews nuts and edible seeds as potential prebiotics, and their relationship to obesity.

Read the paper (opens in a new tab) ↗

2019
Diet

The Effects of Vegetarian and Vegan Diets on Gut Microbiota

Tomova et al. · Frontiers in Nutrition, 6(47)

Reviews how vegetarian and vegan dietary patterns relate to gut community composition.

Read the paper (opens in a new tab) ↗

2022
Diet

Dietary Polyphenol, Gut Microbiota, and Health Benefits

Wang et al. · Antioxidants, 11(6), 1212

Reviews dietary polyphenols, their interaction with gut bacteria, and the health effects studied.

Read the paper (opens in a new tab) ↗

2021
Diet

Gut-microbiota-targeted diets modulate human immune status

Wastyk et al. · Cell, 184(16), 4137–4153

A human trial comparing two gut-targeted diets, high fiber and high fermented food, with immune measures as an outcome.

Read the paper (opens in a new tab) ↗

2023
Diet

Beer and Microbiota: Pathways for a Positive and Healthy Interaction

Zugravu et al. · Nutrients, 15(4), 844

Reviews beer and its non-alcoholic components in relation to the gut community.

Read the paper (opens in a new tab) ↗

2019
Drugs

Proton pump inhibitors and dysbiosis: Current knowledge and aspects to be clarified

Bruno et al. · World Journal of Gastroenterology, 25(22), 2706-2719

Reviews what is established, and what is still unresolved, about proton pump inhibitors and gut bacterial composition.

Read the paper (opens in a new tab) ↗

2017
Drugs

Statin therapy causes gut dysbiosis in mice through a PXR-dependent mechanism

Caparrós-Martín et al. · Microbiome, 5(1), 1-15

A mouse study investigating a PXR-dependent route by which statin therapy shifts the gut community.

Read the paper (opens in a new tab) ↗

2022
Drugs

Interactions between gut microbiota and berberine, a necessary procedure to understand the mechanisms of berberine

Cheng et al. · Journal of Pharmaceutical Analysis, 12(4), 541-555

Examines how berberine and gut bacteria act on each other, as groundwork for understanding how the compound works.

Read the paper (opens in a new tab) ↗

2020
Drugs

Gut bacterial microbiome composition and statin intake—A systematic review

Dias et al. · Pharmacology Research & Perspectives, 8(3), e00601

Systematic review of studies comparing gut bacterial composition in people taking statins.

Read the paper (opens in a new tab) ↗

2022
Drugs

Effect of Fructooligosaccharides Supplementation on the Gut Microbiota in Humans: A Systematic Review and Meta-Analysis

Dou et al. · Nutrients, 14(16), 3298

Systematic review and meta-analysis of human trials of fructooligosaccharide (FOS) supplementation.

Read the paper (opens in a new tab) ↗

2022
Drugs

Metformin Influence on the Intestinal Microbiota and Organism of Rats with Metabolic Syndrome

Ermolenko et al. · International Journal of Molecular Sciences, 23(12), 6837

Rat study of metformin’s effect on the intestinal microbiota in metabolic syndrome.

Read the paper (opens in a new tab) ↗

2020
Drugs

RapidAIM: A culture-and metaproteomics-based Rapid Assay of Individual Microbiome responses to drugs

Li et al. · Microbiome, 8(1), 1-16

Describes an assay for testing how one individual’s microbiome responds to particular drugs.

Read the paper (opens in a new tab) ↗

2023
Drugs

Fructooligosaccharides (FOS) differentially modify the in vitro gut microbiota in an age-dependent manner

Mahalak et al. · Frontiers in Nutrition, 9, 3212

In vitro work examining whether FOS affects the gut community differently across age groups.

Read the paper (opens in a new tab) ↗

2021
Drugs

Review of Rifaximin: A Summary of the Current Evidence and Benefits Beyond Licensed Use

Nathwani et al. · EMJ, 6(3), 94-99

Summary of the evidence for rifaximin, including uses beyond its licensed indications.

Read the paper (opens in a new tab) ↗

2019
Drugs

A systematic review of the use of rifaximin for Clostridium difficile infections

Ng et al. · Anaerobe, 55, 35-39

Systematic review of rifaximin used against Clostridium difficile infection.

Read the paper (opens in a new tab) ↗

2010
Drugs

Metronidazole effects on microbiota and mucus layer thickness in the rat gut

Pélissier et al. · FEMS Microbiology Ecology, 73(3), 601-610

Rat study of how metronidazole affects gut bacteria and the thickness of the protective mucus layer.

Read the paper (opens in a new tab) ↗

2017
Drugs

Eubiotic properties of rifaximin: Disruption of the traditional concepts in gut microbiota modulation

Ponziani et al. · World Journal of Gastroenterology, 23(25), 4491–4499

Argues rifaximin should be understood as modulating the gut community rather than suppressing it.

Read the paper (opens in a new tab) ↗

2021
Drugs

Metformin strongly affects gut microbiome composition in high-fat diet-induced type 2 diabetes mouse model of both sexes

Silamiķele et al. · Frontiers in Endocrinology, 12, 626359

Mouse study of metformin and gut composition in type 2 diabetes, analyzed separately by sex.

Read the paper (opens in a new tab) ↗

2021
Drugs

Serotonin Reuptake Inhibitors and the Gut Microbiome: Significance of the Gut Microbiome in Relation to Mechanism of Action, Treatment Response, Side Effects, and Tachyphylaxis

Sjöstedt et al. · Frontiers in Psychiatry, 12, 682868

Reviews how SSRIs and the gut microbiome interact, and what that may mean for treatment response and side effects.

Read the paper (opens in a new tab) ↗

2020
Drugs

Impact of commonly used drugs on the composition and metabolic function of the gut microbiota

Vich Vila et al. · Nature Communications, 11(1), 362

Population-scale study relating widely used medications to gut composition and metabolic function.

Read the paper (opens in a new tab) ↗

2022
Drugs

Resveratrol in Intestinal Health and Disease: Focusing on Intestinal Barrier

Wang et al. · Frontiers in Nutrition, 9, 848400

Reviews resveratrol in intestinal health, with a focus on the gut barrier.

Read the paper (opens in a new tab) ↗

2021
Drugs

Effects of Berberine on the Gastrointestinal Microbiota

Zhang et al. · Frontiers in Cellular and Infection Microbiology, 10, 588517

Reviews the reported effects of berberine on gastrointestinal bacteria.

Read the paper (opens in a new tab) ↗

2020
Drugs

Effects of Metformin on the Gut Microbiota in Obesity and Type 2 Diabetes Mellitus

Zhang & Hu · Diabetes, Metabolic Syndrome and Obesity: Targets and Therapy, 13, 5003–5014

Reviews metformin and the gut microbiome in obesity and type 2 diabetes.

Read the paper (opens in a new tab) ↗

94 papers.

These are independent, third-party publications cited in the back of the GutID report. They are not GutID research: work using the long-read approach behind Titan-1 is listed on the publications page. Each note describes what a paper covers and what kind of study it is; it is not a summary of its findings.

The platform

30+ peer-reviewed publications.

Separate from the report’s reference list: the published work using the long-read approach behind Titan-1, including how it compares with 16S-only and shotgun methods.

  • Microbial Genomics
  • mBio
  • Scientific Reports
  • PLOS ONE
  • Frontiers in Microbiology
  • ISME Communications
  • Communications Biology
  • International Journal of Molecular Sciences