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Type: Journal article
Title: Studies on fusobacteria associated with periodontal diseases
Author: Rogers, A.
Citation: Australian Dental Journal, 1998; 43(2):105-109
Publisher: Australian Dental Association
Issue Date: 1998
ISSN: 0045-0421
1834-7819
Statement of
Responsibility: 
AH Rogers
Abstract: The physiological and metabolic characteristics of representative isolates of the various subspecies of Fusobacterium nucleatum were investigated by growing them in continuous culture in chemically-defined media. Behaving almost identically, these organisms were found to obtain energy from the fermentation of simple carbohydrates such as glucose or fructose or from the fermentation of certain amino acids, free or in the form of small peptides. The latter can be attacked by aminopeptidase activity which was shown to be essential for the growth of the organism in an environment lacking fermentable carbohydrate and free amino acids but replete with small peptides. This metabolic versatility may explain the presence of F nucleatum in both supra- and sub-gingival dental plaque and why it is often found together with organisms such as Porphyromonas gingivalis which display powerful endopeptidase activities. Using the technique of allozyme electrophoresis, the current subspeciation of F. nucleatum was shown to be of doubtful validity and evidence, based upon physiological and metabolic properties, for differences in pathogenicity between isolates was not detected. While this organism is a member of various bacterial consortia associated with periodontal diseases, its contribution to the disease process remains unclear.
Keywords: Fusobacterium nucleatum; growth characteristics; metabolism; periodontal diseases
Description: The document attached has been archived with permission from the Australian Dental Association. An external link to the publisher’s copy is included.
Rights: © 1998 Australian Dental Association
RMID: 0030002932
DOI: 10.1111/j.1834-7819.1998.tb06098.x
Published version: http://www.ada.org.au/App_CmsLib/Media/Lib/0610/M29157_v1_632974071114503750.pdf
Appears in Collections:Dentistry publications

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