Tannerella Forsythia
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''Tannerella forsythia'' is an
anaerobic Anaerobic means "living, active, occurring, or existing in the absence of free oxygen", as opposed to aerobic which means "living, active, or occurring only in the presence of oxygen." Anaerobic may also refer to: *Adhesive#Anaerobic, Anaerobic ad ...
,
Gram-negative Gram-negative bacteria are bacteria that, unlike gram-positive bacteria, do not retain the crystal violet stain used in the Gram staining method of bacterial differentiation. Their defining characteristic is that their cell envelope consists ...
bacterial species of the
Bacteroidota The phylum (biology), phylum Bacteroidota (synonym Bacteroidetes) is composed of three large classes of Gram-negative bacteria, Gram-negative, nonsporeforming, anaerobic or aerobic, and rod-shaped bacteria that are widely distributed in the envir ...
phylum. It has been implicated in
periodontal disease Periodontal disease, also known as gum disease, is a set of inflammatory conditions affecting the tissues surrounding the teeth. In its early stage, called gingivitis, the gums become swollen and red and may bleed. It is considered the main c ...
s and is a member of the red complex of periodontal pathogens. ''T. forsythia'' was previously named ''Bacteroides forsythus'' and ''Tannerella forsythensis''. ''Tannerella forsythia'' was discovered by and named after Anne Tanner, who works at The Forsyth Institute located in Cambridge, Massachusetts. ''T. forsythia'' has been identified in atherosclerotic lesions. Lee et al. found that infecting mice with ''T. forsythia'' induced foam cell formation and accelerated the formation of atherosclerotic lesions. It has also been isolated from women with
bacterial vaginosis Bacterial vaginosis (BV) is an infection of the vagina caused by excessive growth of bacteria. Common symptoms include increased vaginal discharge that often smells like fish. The discharge is usually white or gray in color. Burning with urina ...
. The presence of oral ''T. forsythia'' has been found to be associated with an increased risk of esophageal cancer.Oral microbiota indicates link between periodontal disease, esophageal cancer
''Science Daily''. December 1, 2017


See also

*
List of bacterial vaginosis microbiota Bacterial vaginosis is caused by an imbalance of the naturally occurring bacteria in the vagina. The normally predominant species of ''Lactobacilli'' are markedly reduced. This is the list of organisms that are found in the vagina that are asso ...


References


Further reading

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External links


NIH/Medline



Pelvic Inflammatory Disease (PID; Salpingitis, Endometritis)

Type strain of ''Tannerella forsythia'' at Bac''Dive'' - the Bacterial Diversity Metadatabase
Bacteroidia Inflammatory diseases of female pelvic organs Reproductive system Gynaecology Sexual health Bacterial vaginosis {{Bacteroidetes-stub