Bacteroides gingivalis

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	'''Bacteroides gingivalis'''		'''Bacteroides gingivalis'''
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		+	Also known as Porphyromonas gingivalis is a non-motile, gram-negative, rod-shaped, anaerobic pathogenic bacterium. This bacterium produces a cell bound, oxygen sensitive collagenase and is isolated from the human mouth.It is found in the oral cavity, where it is implicated in certain forms of periodontal disease, as well as the upper gastrointestinal tract, respiratory tract, and in the colon.
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		+	{| border="1" style="text-align: left;"
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		+	|+ '''Scientific classification'''
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		+	!Kingdom || Bacteria
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		+	! Phylum || Bacteroidetes
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		+	! Class || Bacteroidia
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		+	! Order || Bacteroidales
		+	|-
		+	! Family || Porphyromonadaceae
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		+	! Genus || Bacteroides
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		+	! Species || '''''B. gingivalis'''''
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		+	! Binomial || ''Bacteroides gingivalis''
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		+	|}
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		+	==Pathogenic Activity==
		+	In the focal regions of adult patients with severe periodontal disease, gram negative bacteria are detected in most cases among which Bacteroides gingivalis is separated in specially high frequency. Collagen degradation that is observed in Chronic Periodontal Disease results in part from the collagenase enzymes of this species. Additionally Porphyromonas gingivalis has been linked to Rheumatoid Arthritis. Porphyromonas gingivalis contains the PAD (Peptidyl-Arginine Deaminase) which is involved in citrullination. Patients with Rheumatoid Arthritis have an increased incidence of periodontal disease and antibodies to the bacterium are significantly more common in patients with Rheumatoid Arthritis.
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		+	==References==
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		+	[http://en.wikipedia.org/wiki/Porphyromonas_gingivalis Wikipedia]
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		+	[http://www.steadyhealth.com/encyclopedia/Bacteroides_gingivalis Ref]

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Revision as of 04:09, 6 July 2010

Bacteroides gingivalis

Also known as Porphyromonas gingivalis is a non-motile, gram-negative, rod-shaped, anaerobic pathogenic bacterium. This bacterium produces a cell bound, oxygen sensitive collagenase and is isolated from the human mouth.It is found in the oral cavity, where it is implicated in certain forms of periodontal disease, as well as the upper gastrointestinal tract, respiratory tract, and in the colon.

Scientific classification

Kingdom	Bacteria
Phylum	Bacteroidetes
Class	Bacteroidia
Order	Bacteroidales
Family	Porphyromonadaceae
Genus	Bacteroides
Species	B. gingivalis
Binomial	Bacteroides gingivalis

Pathogenic Activity

In the focal regions of adult patients with severe periodontal disease, gram negative bacteria are detected in most cases among which Bacteroides gingivalis is separated in specially high frequency. Collagen degradation that is observed in Chronic Periodontal Disease results in part from the collagenase enzymes of this species. Additionally Porphyromonas gingivalis has been linked to Rheumatoid Arthritis. Porphyromonas gingivalis contains the PAD (Peptidyl-Arginine Deaminase) which is involved in citrullination. Patients with Rheumatoid Arthritis have an increased incidence of periodontal disease and antibodies to the bacterium are significantly more common in patients with Rheumatoid Arthritis.

References

Wikipedia

Ref