Strong phospholipase A (PLA) and phospholipase C (PLC) activities as potential virulence factors are the outstanding characteristics of eight strains of small oral spirochaetes isolated from deep periodontal lesions. By qualitative dot-blot DNA-DNA hybridization and 16S rDNA sequence comparison, these spirochaetes form a distinct phylogenetic group, with Treponema maltophilum as its closest cultivable relative. Growth of these treponemes, cells of which contain two endoflagella, one at each pole, was autoinhibited by the PLA-mediated production of lysolecithin unless medium OMIZ-Pat was prepared without lecithin. N-Acetylglucosamine was essential and D-ribose was stimulatory for growth. All isolates were growth-inhibited when 1% foetal calf...
Treponema denticola is a small anaerobic spirochete often isolated from periodontal lesions and clos...
Treponema denticola and other species (phylotypes) of oral spirochetes are widely-considered to play...
Treponema denticola and other species (phylotypes) of oral spirochetes are widely considered to play...
A novel culture medium for cultivation of fastidious oral anaerobes is described. This medium, OMIZ-...
application/pdfSpirochetes were isolated from the lesions of periodontitis patients, identified them...
Relatively scant chemical information has been available on the proteinases and peptidases of spir...
Cell extracts prepared from several oral treponemes isolated from the subgingival plaque of periodon...
Treponema denticola ATCC 35405, a human oral spirochete associated with periodontal disease, was sho...
The etiologic role of oral treponemes in human periodontitis is still under debate. Although seen by...
Scientific Groups - Microbiology/Immunology: paper 169795OBJECTIVES: There are 10 human oral trepone...
Elevated populations of oral treponeme bacteria are associated with periodontal diseases. Furthermo...
BACKGROUND: Periodontal tissue destruction is a characteristic of periodontitis. This can be caused ...
AbstractSpirochaetes are prominent in the polymicrobial infections that cause periodontal diseases. ...
A new Treponema species, for which we propose the name Treponema medium, was isolated from subgingiv...
Periodontal diseases are destructive inflammatory conditions of the tissues supporting the tooth. T...
Treponema denticola is a small anaerobic spirochete often isolated from periodontal lesions and clos...
Treponema denticola and other species (phylotypes) of oral spirochetes are widely-considered to play...
Treponema denticola and other species (phylotypes) of oral spirochetes are widely considered to play...
A novel culture medium for cultivation of fastidious oral anaerobes is described. This medium, OMIZ-...
application/pdfSpirochetes were isolated from the lesions of periodontitis patients, identified them...
Relatively scant chemical information has been available on the proteinases and peptidases of spir...
Cell extracts prepared from several oral treponemes isolated from the subgingival plaque of periodon...
Treponema denticola ATCC 35405, a human oral spirochete associated with periodontal disease, was sho...
The etiologic role of oral treponemes in human periodontitis is still under debate. Although seen by...
Scientific Groups - Microbiology/Immunology: paper 169795OBJECTIVES: There are 10 human oral trepone...
Elevated populations of oral treponeme bacteria are associated with periodontal diseases. Furthermo...
BACKGROUND: Periodontal tissue destruction is a characteristic of periodontitis. This can be caused ...
AbstractSpirochaetes are prominent in the polymicrobial infections that cause periodontal diseases. ...
A new Treponema species, for which we propose the name Treponema medium, was isolated from subgingiv...
Periodontal diseases are destructive inflammatory conditions of the tissues supporting the tooth. T...
Treponema denticola is a small anaerobic spirochete often isolated from periodontal lesions and clos...
Treponema denticola and other species (phylotypes) of oral spirochetes are widely-considered to play...
Treponema denticola and other species (phylotypes) of oral spirochetes are widely considered to play...