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LETTER TO EDITOR Table of Contents   
Year : 2009  |  Volume : 20  |  Issue : 1  |  Page : 129
Isolation of P. corporis from oral cavity: What is the role of this bacterium in the mouth and other parts of the human body?


Department of Medical Microbiology, Health Research Center, Baqiyatallah (a.s) Hospital University, Tehran, I.R, Iran

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How to cite this article:
Tavana AM. Isolation of P. corporis from oral cavity: What is the role of this bacterium in the mouth and other parts of the human body?. Indian J Dent Res 2009;20:129

How to cite this URL:
Tavana AM. Isolation of P. corporis from oral cavity: What is the role of this bacterium in the mouth and other parts of the human body?. Indian J Dent Res [serial online] 2009 [cited 2022 Jun 25];20:129. Available from: https://www.ijdr.in/text.asp?2009/20/1/129/49053
Sir,

The aim in this letter to editor is to discuss the possible role of  Prevotella corporis Scientific Name Search oral origin in infectious diseases of oral cavity. Since I first isolated this organism in 1998 there has been no work that has focused on this area of research. After nearly 10 years I would like to draw your attention once more to this problem and ask: Is there any role for P. corporis in oral infections?

Prevotella (Bacteroides) corporis was originally known as Bacteroides melaninogenicus subspecies intermedius and was later reclassified as Bacteroides corporis. [1] Subsequently, B. corporis and several pigmented moderately saccharolytic species of Bacteroides (including B. intermedius and B. melaninogenicus) and nonpigmented species (including B. buccae, B. bivius, B. buccalis, B. disiens, B. heparinolyticus, B. oralis, B. oris, B. oulorum, B. ruminicola, B. veroralis, and B. zoogleoformans) were transferred to a new genus, Prevotella. [2] Since then B. corporis has been known as Prevotella corporis. [3-5] Whereas black-pigmented anaerobic bacteria such as Porphyromonas gingivalis and Prevotella intermedia are known to be involved in periodontal disease, not much is known of the oral prevalence or role of P. corporis. [3],[4],[6] However, a few strains of P. corporis have been isolated from dental root canal infections. [7]

P. corporis is typically isolated from nonoral sites [3],[4],[5],[6] but the isolates examined in my study were isolated from periodontal pockets of patients with periodontitis who had been referred to Manchester Dental Hospital's University, Dental Hospital's Periodontic Unit. Although P. corporis has occasionally been isolated from infected dental root canals in the past, [7] the role of this species in different types of periodontal and other diseases is still not well understood. There is no published study that has identified P. corporis as one of the black pigmented species of the genus Prevotella found in the oral cavity. [8],[9],[10] Therefore, no one knows the role of this bacterium in oral infections. More work needs to be done to find out the role of this bacterium in human infection, particularly in infections of the mouth.

 
   References Top

1.Johnson JL, Holdeman LV. Bacteroides intermedius comb.nov and description of Bacteroides corporis sp.nov. and Bacteroides levii sp.nov. Int J Syst Bacteriol 1983;33:15-25.   Back to cited text no. 1    
2.Shah HN, Collins MD. Prevotella : A new genus to include Bacteroides melaninogenicus and related species formerly classified in the genus Bacteroides . Int J Syst Bacteriol 1990;40:205-8.   Back to cited text no. 2    
3.Finegold SM, Strong CA, McTeague M, Marina M. The importance of black-pigmented Gram-negative anaerobes in human infections. FEMS Immunol Med Microbiol 1993;6:72-82.   Back to cited text no. 3    
4.Finegold SM. Anaerobic infections in humans: An overview. Anaerobe 1995;1:3-9.   Back to cited text no. 4  [PUBMED]  [FULLTEXT]
5.Fukushima H, Moroi H, Inoue J, Onoe T, Ezaki T, Yabuvchie LK, et al . Phenotypic characteristics and DNA relatedness in Prevotella intermedia and similar organisms. Oral Microbiol Immunol 1992;7:60-4.   Back to cited text no. 5    
6.Marsh P, Martin M. Oral microbiology. 3rd ed. London, UK: Chapman and Hall; 1992. p. 48.   Back to cited text no. 6    
7.Gomes BP, Drucker DB, Lilley JD. Positive and negative associations between bacterial species in dental root canals. Microbios 1994;80:231-43.   Back to cited text no. 7  [PUBMED]  
8.VanSteenbergen TJ, Winkelhoff AJ, DeGraaff J. Classification and typing methods of black pigmented Gram-negative anaerobes. FEMS Immunol Med Microbiol 1993;6:83-8.  Back to cited text no. 8    
9.Tavana AM, Drucker DB, Hull PS, Boote V. Phospholipid molecular species distribution of oral Prevotella corporis clinical isolates. FEMS Immunol Med Microbiol 1998;21:57-64.   Back to cited text no. 9  [PUBMED]  [FULLTEXT]
10.Salari MH, Kadkhoda Z. Rate of cultivable subgingival periodontopathogenic bacteria in chronic periodontitis. J Oral Sci 2004;46:157-61.  Back to cited text no. 10  [PUBMED]  [FULLTEXT]

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Correspondence Address:
Ali M Tavana
Department of Medical Microbiology, Health Research Center, Baqiyatallah (a.s) Hospital University, Tehran, I.R
Iran
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0970-9290.49053

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