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.
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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
30+ peer-reviewed publications using the long-read approach behind Titan-1
2023
Mechanism
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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) ↗2021
Diet
Cronin et al. · Nutrients, 13(5), 1655
Review of how dietary fiber acts on gut community composition.
Read the paper (opens in a new tab) ↗2019
Diet
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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.
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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.
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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.