''Prevotella bivia'' is a species of

bacteria Bacteria (; singular: bacterium) are ubiquitous, mostly free-living organisms often consisting of one biological cell. They constitute a large domain of prokaryotic microorganisms. Typically a few micrometres in length, bacteria were among ...

in the

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

''Prevotella''. It is

gram-negative Gram-negative bacteria are bacteria that do not retain the crystal violet stain used in the Gram staining method of bacterial differentiation. They are characterized by their cell envelopes, which are composed of a thin peptidoglycan cell wall ...

. It is one cause of

pelvic inflammatory disease Pelvic inflammatory disease, also known as pelvic inflammatory disorder (PID), is an infection of the upper part of the female reproductive system, namely the uterus, fallopian tubes, and ovaries, and inside of the pelvis. Often, there may be no ...

. Other ''Prevotella'' spp. are members of the oral and vaginal microbiota, and are recovered from anaerobic infections of the respiratory tract. These infections include aspiration pneumonia, lung

abscess An abscess is a collection of pus that has built up within the tissue of the body. Signs and symptoms of abscesses include redness, pain, warmth, and swelling. The swelling may feel fluid-filled when pressed. The area of redness often extends b ...

, pulmonary empyema, and chronic

otitis media Otitis media is a group of inflammatory diseases of the middle ear. One of the two main types is acute otitis media (AOM), an infection of rapid onset that usually presents with ear pain. In young children this may result in pulling at the ear, ...

and sinusitis. Other species have been isolated from abscesses and burns in the vicinity of the mouth, bites, paronychia,

urinary tract infection A urinary tract infection (UTI) is an infection that affects part of the urinary tract. When it affects the lower urinary tract it is known as a bladder infection (cystitis) and when it affects the upper urinary tract it is known as a kidney ...

, brain abscesses, osteomyelitis, and

bacteremia Bloodstream infections (BSIs), which include bacteremias when the infections are bacterial and fungemias when the infections are fungal, are infections present in the blood. Blood is normally a sterile environment, so the detection of microb ...

associated with

upper respiratory tract infections An upper respiratory tract infection (URTI) is an illness caused by an acute infection, which involves the upper respiratory tract, including the nose, sinuses, pharynx, larynx or trachea. This commonly includes nasal obstruction, sore throat, to ...

. ''Prevotella'' spp. predominate in periodontal disease and periodontal abscesses. The genus also includes gut bacteria. ''Prevotella'' species dominate with high fiber, plant-based diets. Human ''Prevotella'' spp have been compared genetically with species derived from different body sites of humans.

References

Using Wikipedia for Research

External links

Type strain of ''Prevotella bivia'' at Bac''Dive'' - the Bacterial Diversity Metadatabase
Bacteroidia Gut flora bacteria Infections with a predominantly sexual mode of transmission Abdominal pain Sexually transmitted diseases and infections Bacterial diseases {{Bacteroidetes-stub