1999
DOI: 10.1902/jop.1999.70.5.504
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Persistence of Oral Colonization by the Same Actinobacillus actinomycetemcomitans Strain(s)

Abstract: The results showed that spontaneous or treatment-induced change in the oral A. actinomycetemcomitans strain(s) is extremely rare and that colonization with the same strain(s) seems to be remarkably persistent.

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Cited by 52 publications
(46 citation statements)
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“…Due to this heterogeneity of the non-JP2 members of A. actinomycetemcomitans, we cannot comment on the stability of colonization with these types. However, colonization stability similar to that observed for the JP2 clone in this study was reported previously for non-JP2 genotypes and different serotypes of A. actinomycetemcomitans (Saarela et al, 1992(Saarela et al, , 1999van der Reijden et al, 2008), and the differences demonstrated in pathogenic potential (Bueno et al, 1998;Haubek et al, 2001Haubek et al, , 2004Haubek et al, , 2008 are apparently not reflected in differences in colonization patterns. More than half of the individuals carrying the JP2 clone at baseline were colonized only transiently, and only very few (2%) were infected after baseline within the two-year period.…”
Section: Discussionsupporting
confidence: 90%
“…Due to this heterogeneity of the non-JP2 members of A. actinomycetemcomitans, we cannot comment on the stability of colonization with these types. However, colonization stability similar to that observed for the JP2 clone in this study was reported previously for non-JP2 genotypes and different serotypes of A. actinomycetemcomitans (Saarela et al, 1992(Saarela et al, , 1999van der Reijden et al, 2008), and the differences demonstrated in pathogenic potential (Bueno et al, 1998;Haubek et al, 2001Haubek et al, , 2004Haubek et al, , 2008 are apparently not reflected in differences in colonization patterns. More than half of the individuals carrying the JP2 clone at baseline were colonized only transiently, and only very few (2%) were infected after baseline within the two-year period.…”
Section: Discussionsupporting
confidence: 90%
“…However, the monolayers of bacteria that colonize continuously desquamating surface epithelia of mucosal membranes may be different in this respect from true biofilms, such as dental plaque. While the few dental plaque bacteria that have been examined show relative clonal stability over time (10,39), studies of pharyngeal populations of noncapsulated H. influenzae and Moraxella catarrhalis in children have demonstrated frequent clonal replacement (27,47,50).…”
Section: Discussionmentioning
confidence: 99%
“…Using a single strain per patient as a representative of the colonizing A. actinomycetemcomitans population was considered sufficient in the present study, since most persistently A. actinomycetemcomitans-positive Finnish subjects have demonstrated a stable oral colonization by a single clonal type of the species (4,24). Since a single A. actinomycetemcomitans strain per patient was serotyped, we cannot rule out the possibility that these patients' oral cavities could have been colonized with A. actinomycetemcomitans strains of multiple antigenically distinct clones.…”
Section: Vol 40 2002 Autologous Versus Reference Strains As Antigenmentioning
confidence: 97%