Explore our database of over 4000 laboratory markers.

Search and Understand 4000+ Biomarkers

Bacillus spp.

GI-MAP by Diagnostic Solutions, Diagnostic Solutions Laboratory

Optimal range:   0 - 1760000 Units

Bacillus spp. are spore forming bacteria, ubiquitous in the environment. B. cereus in particular is a frequently recognized cause of toxin-induced acute gastroenteritis.

Other infections caused by this genus include:

- sepsis

- pneumonia

- endocarditis

- central nervous system (CNS) and ocular infections

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BACTERIA

Urinalysis, complete, Quest Diagnostics

Reference range:   NONE SEEN

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Bacteria

Urine

Urinalysis

Reference range:   None seen/Few, Moderate, Detected

If bacteria grow in the urine culture test and you have symptoms of an infection or bladder irritation, it means you have a UTI (= Urinary tract infection).

Urine contains fluids, salts and waste products but is sterile or free of bacteria, viruses and other disease-causing organisms. A UTI occurs when bacteria from another source, such as the nearby anus, gets into the urethra. The most common bacteria found to cause UTIs is Escherichia coli (E. coli). Other bacteria can cause UTI, but E. coli is the culprit about 90 percent of the time.

E. coli normally lives harmlessly in the human intestinal tract, but it can cause serious infections if it gets into the urinary tract. In women, the trip from the anus to the urethra is a short one. This is the reason why "wiping front to back" after using the toilet is helpful in preventing UTI.

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Bacteria (normal bacilli)

Stool

Full GI Panel, Parasitology Center, Inc. (PCI)

Reference range:   0 (No Presence), 1 (Low Presence), 2 (Moderate Presence), 3 (High Presence), 4 (Heavy Presence)

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Bacterial Cytotoxins IgM

Array 22 - Irritable Bowel/SIBO Screen, Cyrex Laboratories

Optimal range:   0 - 2.3 ELISA Index

Bacterial Cytotoxins refer to the cytolethal distending toxin, subunit B (CdtB) that is released by Escherichia coli, Salmonella, Shigella and Campylobacter jejuni. Utilizing subunits A and C, gram-negative bacteria can bind to human cells, allowing CdtB to infiltrate the cell. Inside the cell, CdtB contributes to cytoskeletal damage, which may induce apoptosis (cell death). CdtB is the first bacterial toxin known to act in the nucleus of a target cell.

Associated With:

- Irritable bowels

- SIBO

- Gut dysbiosis

- Chronic functional bowel changes

- Localized aggressive periodontitis

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Bacteroides

VibrantAmerica (various), Vibrant America

Optimal range:   0 - 20 Relative Abundance

Species in the genus Bacteroides carry out broad metabolic functions, including degradation of complex plant polysaccharides, proteolytic activities, de-conjugation of bile acids, mucosal barrier integrity, short chain fatty acid production, fatty acid storage and glucose metabolism. 

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Bacteroides

Gut Zoomer by Vibrant Wellness, Vibrant Wellness

Optimal range:   0 - 20 Units

Species in the genus Bacteroides carry out broad metabolic functions, including degradation of complex plant polysaccharides, proteolytic activities, de-conjugation of bile acids, mucosal barrier integrity, short chain fatty acid production, fatty acid storage and glucose metabolism. 

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Bacteroides fragilis

The GI – Advanced Profile (US BioTek), US BioTek

Optimal range:   1.6 - 250 x10^5 CFU/g

Species in the genus Bacteroides carry out broad metabolic functions, including degradation of complex plant polysaccharides, proteolytic activities, de-conjugation of bile acids, mucosal barrier integrity, short chain fatty acid production, fatty acid storage and glucose metabolism.

Bacteroides spp. are maintained at a higher abundance in breastfed individuals into adulthood.

Bacteroides fragilis plays an important role in the prevention of intestinal inflammation. An energy-restricted diet has been shown to increase B. fragilis in overweight adolescents. An increase in B. stercoris has been associated with higher risk of colon cancer. Decreased levels of Bacteroides spp. have been reported in association with multiple sclerosis, rheumatoid arthritis and Parkinson’s disease.

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Bacteroides fragilis

GI360 stool profile, Doctor's Data

Reference range:   -3, -2, -1, 0, +1, +2, +3

Species in the genus Bacteroides carry out broad metabolic functions, including degradation of complex plant polysaccharides, proteolytic activities, de-conjugation of bile acids, mucosal barrier integrity, short chain fatty acid production, fatty acid storage and glucose metabolism.

Bacteroides spp. are maintained at a higher abundance in breastfed individuals into adulthood.

Bacteroides fragilis plays an important role in the prevention of intestinal inflammation. An energy-restricted diet has been shown to increase B. fragilis in overweight adolescents. An increase in B. stercoris has been associated with higher risk of colon cancer. Decreased levels of Bacteroides spp. have been reported in association with multiple sclerosis, rheumatoid arthritis and Parkinson’s disease.

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Bacteroides fragilis

GI-MAP by Diagnostic Solutions, Diagnostic Solutions Laboratory

Optimal range:   1600000000 - 250000000000 Units

Gram-negative species of the Bacteroidetes phylum. Immune-modulating normal gut species. Believed to be involved in microbial balance, barrier integrity, and neuroimmune health (Hsiao 2013). High levels may result from reduced digestive capacity or constipation. Low levels may contribute to reduced anti-inflammatory activity in the intestine.

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Bacteroides fragilis

Complete Microbiome Mapping (NutriPATH), NutriPATH

Optimal range:   1.6 - 250 x10^5 CFU/g

Species in the genus Bacteroides carry out broad metabolic functions, including degradation of complex plant polysaccharides, proteolytic activities, de-conjugation of bile acids, mucosal barrier integrity, short chain fatty acid production, fatty acid storage and glucose metabolism.

Bacteroides spp. are maintained at a higher abundance in breastfed individuals into adulthood.

Bacteroides fragilis plays an important role in the prevention of intestinal inflammation. An energy-restricted diet has been shown to increase B. fragilis in overweight adolescents. An increase in B. stercoris has been associated with higher risk of colon cancer. Decreased levels of Bacteroides spp. have been reported in association with multiple sclerosis, rheumatoid arthritis and Parkinson’s disease.

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Bacteroides ovatus

GI EcologiX (Invivo Healthcare)

Optimal range:   3.5 - 9.2 Units

Bacteroides ovatus had been shown to elicit the largest IgG and IgA responses in Crohn’s patients of the commensal bacteria.

Why Bacteroides ovatus induces such as response is not totally known, but it does produce esterase and lipase which can be potentially hazardous to the intestinal tissue, especially if initial damage has been created by a bacterial toxin such as Enterotoxigenic Bacteroides fragilis (ETBF). Bacteriodes ovatus plays an important role of degrading inulin, which the metabolites of in turn feeds Bacteroides vulgatus and supports the colony, so they have a syntrophic relationship

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Bacteroides pectinophilus

GI360 stool profile, Doctor's Data

Reference range:   -3, -2, -1, 0, +1, +2, +3

Bacteroides pectinophilus contributes to breakdown of dietary pectins which are prebiotics. Pectins are complex, plantderived carbohydrates that are indigestible by human enzymes, but can be easily degraded by certain commensal bacteria in the gut.

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Bacteroides spp.

GI360 stool profile, Doctor's Data

Reference range:   -3, -2, -1, 0, +1, +2, +3

Species in the genus Bacteroides carry out broad metabolic functions, including degradation of complex plant polysaccharides, proteolytic activities, de-conjugation of bile acids, mucosal barrier integrity, short chain fatty acid production, fatty acid storage and glucose metabolism. 

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Bacteroides spp.

Comprehensive Gut Biome & Health Test (Verisana), Verisana Lab

Optimal range:   0 - 0 cfu/ml

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Bacteroides spp. & Prevotella spp.

GI360 stool profile, Doctor's Data

Reference range:   -3, -2, -1, 0, +1, +2, +3

The predominant genera in the human colonic microbiota are Bacteroides and Prevotella, which belong to the major phyla Bacteroidetes.

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Bacteroides stercoris

GI360 stool profile, Doctor's Data

Reference range:   -3, -2, -1, 0, +1, +2, +3

Species in the genus Bacteroides carry out broad metabolic functions, including degradation of complex plant polysaccharides, proteolytic activities, de-conjugation of bile acids, mucosal barrier integrity, short chain fatty acid production, fatty acid storage and glucose metabolism. Bacteroides spp. are maintained at a higher abundance in breastfed individuals into adulthood.

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Bacteroides uniformis

2200 GI Effects Comprehensive Profile - Stool, Genova Diagnostics

Optimal range:   0 - 950000000 CFU/g stool

Bacteroides uniformis is a fiber-degrading bacteria. It colonizes the gut in early infancy and is promoted by breast feeding.

Thought to enhance the gut barrier through the production of butyrate and GABA. Also produces beta glucuronidase, degrades mucin, and produces folate.

Studied in preclinical trials as a potential probiotic for use in inflammatory and metabolic disorders.

B. uniformis was found to be decreased in obese patients as compared to healthy or lean groups. It was higher in healthy controls as compared to patients with ulcerative colitis.

Enriched in healthy individuals versus colorectal cancer patients.

Associated with degradation of the isoflavone genistein, which then becomes less bioavailable to the human.

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Bacteroides vulgatus

Gut Zoomer by Vibrant Wellness, Vibrant Wellness

Optimal range:   0 - 20 Units

The marker "Bacteroides vulgatus" is an indicator of the presence and balance of a specific type of bacteria within your gut microbiome. Bacteroides vulgatus is a species of bacteria that resides in the human intestine and plays a critical role in the digestive process. It's involved in breaking down complex carbohydrates, fiber, and proteins, assisting in the absorption of nutrients, and contributing to the body's immune response. In a balanced gut microbiome, Bacteroides vulgatus helps to maintain intestinal health, protect against harmful pathogens, and even regulate inflammation. However, an imbalance, where levels of Bacteroides vulgatus are either too high or too low, can be associated with various health issues, including digestive disorders, immune system dysfunctions, and increased risk of certain chronic diseases. The Gut Zoomer panel from Vibrant Wellness is a comprehensive test that provides detailed insights into the composition of your gut microbiome, including the levels of Bacteroides vulgatus. By understanding the balance of such bacteria in your gut, healthcare providers can offer targeted dietary recommendations, probiotics, or other interventions to help restore gut health and improve overall wellness.

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Bacteroides vulgatus

2200 GI Effects Comprehensive Profile - Stool, Genova Diagnostics

Optimal range:   0 - 830000000 CFU/g stool

Bacteroides vulgatus is among the most commonly isolated microbes from the human gastrointestinal tract, and it has been found to constitute part of the core gut microbiota in healthy humans.

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