WikiBiomeThe human microbiome encyclopediaRanked matches across titles, topics, categories, and article introductions.
Dietary fiber supplementation (resistant starch, inulin, arabinoxlan oligosaccharides, or whole-food fiber) to shift gut fermentation from proteolytic to saccharolytic, reducing the two key protein-bound uremic toxins (indoxyl sulfate and p-cresyl sulfate) that drive CK…
Plant-based diets shift the gut microbiome from proteolytic to saccharolytic fermentation, reducing production of the uremic toxins indoxyl sulfate (IS) and p-cresyl sulfate (PCS) that accelerate CKD progression. Plant protein has lower bioavailability, which reduces gl…
Multi-strain probiotic supplementation with L. acidophilus, B. longum, and B. bifidum has shown promise in slowing CKD progression through anti-inflammatory mechanisms, though its effect on uremic toxins remains unconfirmed.
Warning: Clinical Disclaimer: This STOP page represents a hypothesis based on mechanistic evidence and should NOT replace clinical judgment. Always consult with a qualified healthcare provider before modifying any treatment plan. Evidence quality ratings reflect the str…
This knowledge-base record is being expanded from WikiBiome’s evidence graph.
This knowledge-base record is being expanded from WikiBiome’s evidence graph.
An anti-aging protein that has emerged as a critical mediator between heavy metal exposure and chronic kidney disease progression. Originally discovered as a gene whose mutation caused premature aging in mice, alpha-klotho is now understood to be a multifunctional prote…
A progressive loss of kidney function affecting approximately 850 million people worldwide (10–14% of adults), causing 1.2 million deaths annually. CKD is unique among diseases in this wiki because it occupies both sides of the metal-disease equation: heavy metals (Cd, …
Citrobacter is a genus of Gram-negative, facultatively anaerobic bacteria in the Enterobacteriaceae family, named for its ability to utilize citrate as a sole carbon source. Species include C. freundii, C. koseri, and C. rodentium (a mouse model for EHEC infection). In …
An order of Gram-negative, strictly anaerobic sulfate-reducing bacteria (SRB) within the class Deltaproteobacteria. The defining metabolic feature of Desulfovibrionales is dissimilatory sulfate reduction -- using sulfate as a terminal electron acceptor and producing hyd…
Diabetic kidney disease (DKD), also known as diabetic nephropathy, is the leading cause of end-stage renal disease (ESRD) worldwide, affecting 30-40% of patients with type 2 diabetes and type 1 diabetes. DKD is defined by progressive albuminuria, declining glomerular fi…
This page identifies the contradictions and clinical dilemmas that become visible only when the 236 source pages in this wiki are read together. Each paradox describes a situation where evidence-based dietary or supplementation advice -- advice that is correct for most …
A Gram-positive obligate anaerobe in the family Ruminococcaceae (Clostridium cluster IV) whose defining metabolic activity is the degradation of dietary flavonoids — the very polyphenols that serve as anti-inflammatory, antioxidant, and antimicrobial agents. When Flavon…
An order of Gram-negative, obligate anaerobic bacteria within the phylum Fusobacteriota (formerly Fusobacteria). This order-level page covers the broader taxonomic group that includes the well-characterized genus fusobacterium and its key species fusobacterium nucleatum…
The most abundant intracellular thiol and the master antioxidant of mammalian cells. Glutathione is a tripeptide (gamma-glutamyl-cysteinyl-glycine) whose sulfhydryl (-SH) group makes it both a critical antioxidant and a primary target for heavy metal binding. GSH deplet…
The gut-kidney axis describes the bidirectional relationship between the gut microbiome and kidney function. As kidney disease progresses, the resulting biochemical changes (uremia, altered pH, fluid shifts) reshape the gut microbiome. The dysbiotic microbiome, in turn,…
Hydrogen sulfide is a gaseous signaling molecule (gasotransmitter) produced by both host enzymes (CBS, CSE, 3-MST) and gut bacteria — primarily sulfate-reducing bacteria (desulfovibrio). Like nitric oxide and carbon monoxide, H₂S has dual roles: physiological signaling …
Hyperparathyroidism is the overproduction of parathyroid hormone (PTH), a master regulator of calcium homeostasis. While primary hyperparathyroidism (from parathyroid adenoma) is well described, the WikiBiome framework highlights secondary hyperparathyroidism -- the com…
Sustained elevation of systemic blood pressure, affecting an estimated 1.3 billion adults worldwide and the leading modifiable risk factor for cardiovascular disease, stroke, and chronic kidney disease. The gut microbiome-blood pressure axis has emerged as a major resea…
Indoxyl sulfate (IS) is a protein-bound uremic toxin produced through a two-step process: gut bacteria convert dietary tryptophan to indole, which is then absorbed and sulfated by hepatic sulfotransferases (SULT1A1). IS exemplifies how dysbiosis-driven metabolite overpr…
Interleukin-6 is a pleiotropic cytokine that sits at the crossroads of innate immunity, adaptive immunity, and metabolism. It is one of the most frequently elevated inflammatory mediators across conditions in this wiki — appearing in disease signatures spanning IBD, aut…
Klebsiella is a genus of Gram-negative, encapsulated, facultatively anaerobic bacteria in the Enterobacteriaceae family. With 141 file mentions across the vault, Klebsiella is one of the most frequently referenced opportunistic pathogens. The dominant species is klebsie…
Lachnospira is a genus of Gram-positive, obligate anaerobic bacteria within the lachnospiraceae family (Firmicutes phylum). L. pectinoschiza, the type species, is a specialist pectin fermenter that produces short chain fatty acids from plant-derived polysaccharides. The…
Lactobacillus acidophilus is one of the most widely used probiotic species, with clinical trial evidence spanning multiple conditions. It is a component of many multi-strain probiotic formulations and has been tested in RCTs for schizophrenia, breast cancer chemotherapy…
Lipid peroxidation is the oxidative degradation of polyunsaturated fatty acids (PUFAs) in cell membranes by reactive oxygen species (ROS). The process generates toxic aldehydes — malondialdehyde (MDA) and 4-hydroxynonenal (4-HNE) — that damage proteins, DNA, and mitocho…
Oxalate (oxalic acid) is a dietary compound (spinach, rhubarb, nuts, chocolate) and endogenous metabolic end-product that forms insoluble calcium oxalate crystals — the primary component of ~80% of kidney stones. The gut microbiome is the primary route of oxalate degrad…
Oxalobacter formigenes is an obligate anaerobic, Gram-negative bacterium that occupies a unique metabolic niche in the human gut as the primary oxalate-degrading specialist. Its loss from the gut microbiome — most commonly from antibiotic exposure — has cascading conseq…
A microbial metabolite produced by gut bacteria through tyrosine fermentation that has emerged as one of the most consistent biomarkers linking gut dysbiosis to neurological and renal disease. p-Cresol (4-methylphenol) is a simple aromatic compound, but its effects are …
Ralstonia is a genus of Gram-negative, aerobic bacteria in the class Betaproteobacteria. While Wikipedia focuses on R. solanacearum (a plant pathogen), the WikiBiome-relevant species are R. pickettii and R. metallidurans (now Cupriavidus metallidurans) — organisms with …
See also: saccharomyces (genus page) Saccharomyces boulardii is a non-pathogenic yeast strain used as a probiotic across a wide range of gastrointestinal and inflammatory conditions. Taxonomically a strain of S. cerevisiae, it is phenotypically distinct — optimally acti…
A Gram-positive, obligate anaerobic genus within the phylum Actinobacteria (family Coriobacteriaceae) that has emerged as one of the most frequently identified taxa in Mendelian randomization studies across disparate conditions -- erectile dysfunction, chronic kidney di…
One of the most toxic metals known to biology, thallium earns its reputation through a deceptively simple trick: it masquerades as potassium. With an ionic radius (1.50 A) nearly identical to K+ (1.38 A) and a +1 charge, thallium enters cells through potassium channels …
Restricting dietary nickel has clear benefits for nickel-sensitive individuals: it resolves SNAS symptoms, improves Ni ACM, and even enhances H. pylori eradication. Campanale et al. (2014) found that adding a nickel-free diet to standard triple therapy increased H. pylo…