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

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.

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

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. 

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. 

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.

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.

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.

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.

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

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.

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. 

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