| description of porphyromonas circumdentaria sp. nov. and reassignment of bacteroides salivosus (love, johnson, jones, and calverley 1987) as porphyromonas (shah and collins 1988) salivosa comb. nov. | a new species, porphyromonas circumdentaria, is proposed for pigmented, asaccharolytic strains that were isolated from the gingival margins or mouth-associated diseases of cats. this bacterium is an obligately anaerobic, gram-negative, brown- or black-pigmented, asaccharolytic, nonmotile, nonsporing, rod-shaped organism which does not grow in bile and has a guanine-plus-cytosine content of 40 to 42 mol%. it produces major amounts of acetic, butyric, and isovaleric acids and minor amounts of prop ... | 1992 | 1503973 |
| taxonomy, virulence and epidemiology of black-pigmented bacteroides species in relation to oral infections. | black-pigmented bacteroides species are recognized as suspected pathogens of oral infections. developments in the taxonomy of this group include description of a new asaccharolytic species, bacteroides salivosus, and proposal for the reclassification of the asaccharolytic species into a separate genus, porphyromonas. studies on the pathogenicity and virulence of black-pigmented bacteroides species have identified bacteroides gingivalis as the most virulent species. b. gingivalis and bacteroides ... | 1989 | 2737764 |
| porphyromonas gingivicanis sp. nov. and porphyromonas crevioricanis sp. nov., isolated from beagles. | two new species, porphyromonas gingivicanis and porphyromonas crevioricanis, are proposed for black-pigmented, asaccharolytic, anaerobic, nonmotile, non-spore-forming, gram-negative, rod-shaped organisms. these organisms were isolated from the gingival crevicular fluids of beagles. p. gingivicanis and p. crevioricanis do not grow in the presence of 20% bile. they exhibit less than 5% dna-dna homology with the type strains of porphyromonas gingivalis (strain atcc 33277), porphyromonas endodontali ... | 1994 | 7981094 |
| hydrolytic enzymes and lectin-binding activity of black-pigmented anaerobic rods. | recent taxonomic studies on black-pigmented anaerobic rods, a group of bacteria found on mucosal surfaces of humans and animals, led to the subdivision of existing species and to the creation of new species. the aim of this study was to characterize all 11 currently recognized species of black-pigmented bacteria (55 strains) for their ability to hydrolyse a variety of natural and synthetic substrates and for their lectin reactivity. although most of the strains demonstrated some activity against ... | 1994 | 8012604 |
| porphyromonas canoris sp. nov., an asaccharolytic, black-pigmented species from the gingival sulcus of dogs. | a new species, porphyromonas canoris, is proposed for black-pigmented asaccharolytic strains isolated from subgingival plaque samples from dogs with naturally occurring periodontal disease. this bacterium is an obligately anaerobic, nonmotile, non-spore-forming, gram-negative, rod-shaped organism. on laked rabbit blood or sheep blood agar plates, colonies are light brown to greenish brown after 2 to 4 days of incubation and dark brown after 14 days of incubation. colonies on egg yolk agar and on ... | 1994 | 8186085 |
| phenotypic characterization of human and animal biotypes within the species porphyromonas gingivalis. | ninety-nine strains of gram-negative black-pigmented anaerobic rods, grown on todd-hewitt blood agar plates, were identified and characterized according to a typing scheme including uv fluorescence, catalase, trypsin-like and haemagglutinating activities, biochemical tests with the atb 32a kit, and gas-liquid chromatography. to determine the taxonomic position of the porphyromonas gingivalis biotypes, 68 strains (31 of human origin and 37 of animal origin) were compared to 31 strains of closely ... | 1993 | 8190990 |
| trovafloxacin compared with levofloxacin, ofloxacin, ciprofloxacin, azithromycin and clarithromycin against unusual aerobic and anaerobic human and animal bite-wound pathogens. | the activity of trovafloxacin and five other oral agents against 250 aerobic and 137 anaerobic strains isolated from human and animal bite wounds was determined by an agar dilution method. trovafloxacin was active against all aerobic and fastidious facultative isolates at < or = 0.5 mg/l and all anaerobes at < or = 2 mg/l (bacteroides tectum, porphyromonas salivosa and prevotella heparinolytica, < or = 0.25 mg/l; porphyromonas spp., < or = 0.5 mg/l; prevotella spp. and peptostreptococci, < or = ... | 1998 | 9578167 |
| dental plaque flora of the dog with reference to fastidious and anaerobic bacteria associated with bites. | animal bite wounds are amongst the most common types of traumatic injuries in humans. the organisms isolated from these wounds generally reflect the oral flora of the biting animal, and may be fastidious in nature and difficult to identify. this study was undertaken to determine the prevalence of eikenella corrodens, actinobacillus actinomycetemcomitans, porphyromonas and prevotella spp. in supragingival dental plaque collected from the right maxillary canine and carnassial teeth and the right m ... | 1997 | 9571899 |
| cell envelope and cell wall immunization of macaca fascicularis: effect on the progression of ligature-induced periodontitis. | the nonhuman primate, macaca fascicularis, was used to study the role of immunization with selected members of the periodontopathic microbiota in the longitudinal progression of ligature-induced periodontitis. animals were immunized with cell envelope antigens prepared from porphyromonas gingivalis and prevotella intermedia, and a mixture prepared from fusobacterium nucleatum, campylobacter rectus, and actinomyces viscosus. serum immunoglobulin g (igg), igm and iga isotype antibodies increased s ... | 1995 | 8602339 |
| phylogeny of bacteroides, prevotella, and porphyromonas spp. and related bacteria. | the phylogenetic structure of the bacteroides subgroup of the cytophaga-flavobacter-bacteroides (cfb) phylum was examined by 16s rrna sequence comparative analysis. approximately 95% of the 16s rrna sequence was determined for 36 representative strains of species of prevotella, bacteroides, and porphyromonas and related species by a modified sanger sequencing method. a phylogenetic tree was constructed from a corrected distance matrix by the neighbor-joining method, and the reliability of tree b ... | 1994 | 8300528 |
| effects of immunization with b. macacae on induced periodontitis--preliminary findings. | this preliminary study examined the effects of immunization with bacteroides macacae, the monkey equivalent of the human species of b. gingivalis on ligature-induced periodontitis. during a 12 week immunization period, 8 out of the 12 macacae fasicularis monkeys were immunized weekly with b. macacae washed cells and 4 were sham-immunized with saline. at the same time, all were scaled and pumiced weekly to establish gingival health. following this period, the mandibular first molars were ligated ... | 1989 | 2731970 |
| evaluation of cross-protection by immunization with an experimental trivalent companion animal periodontitis vaccine in the mouse periodontitis model. | companion animal periodontal disease is one of the most prevalent diseases seen by veterinarians. the goal of this study was to evaluate the vaccine performance of a trivalent canine periodontitis vaccine in the mouse oral challenge model of periodontitis. mice vaccinated subcutaneously with an inactivated, whole-cell vaccine preparation of porphyromonas denticanis, porphyromonas gulae, and porphyromonas salivosa displayed significantly reduced alveolar bone loss in response to heterologous and ... | 2008 | 18512622 |
| pigmented-anaerobic bacteria associated with canine periodontitis. | the etiology of human periodontal disease has been the focus of considerable research, yet relatively little is known about the causative agents of companion animal periodontitis. in humans, porphyromonas gingivalis, a black-pigmented anaerobic bacteria (bpab), has been implicated as the primary periopathogen. it has been demonstrated that bpab are also found in companion animal periodontal pockets. while some animal bpab have been individually identified, a study to identify the most frequently ... | 2005 | 15737481 |
| serum antibody responses of cats to soluble whole cell antigens and isolated fimbriae of feline porphyromonas salivosa (macacae) and associations with periodontal disease. | the whole cell soluble antigens of two strains (nctc 11632 and vpb 3313) of feline porphyromonas salivosa (macacae) were analyzed by western blotting using serum taken from 40 domestic cats with various grades of periodontal disease. nine strongly immunogenic protein bands (66, 52, 42, 29, 27, 23, 22, 21 and 19kda) were selected from both strains for further study. both strains showed a significant association between overall periodontal grade and serum responses to the 66 and 21kda bands with s ... | 2001 | 11240101 |
| activities of telithromycin (hmr 3647, ru 66647) compared to those of erythromycin, azithromycin, clarithromycin, roxithromycin, and other antimicrobial agents against unusual anaerobes. | the comparative activity of telithromycin (hmr 3647) against 419 human anaerobic isolates was determined by the agar dilution method. at concentrations of </=0.5 microgram/ml, telithromycin was active against actinomyces israelii, actinomyces odontolyticus, bacteroides tectum, bacteroides ureolyticus, bacteroides gracilis (now campylobacter gracilis), porphyromonas spp. (including porphyromonas gingivalis and porphyromonas macacae), prevotella intermedia, prevotella heparinolytica, and almost al ... | 1999 | 10543769 |
| activities of gemifloxacin (sb 265805, lb20304) compared to those of other oral antimicrobial agents against unusual anaerobes. | the activities of gemifloxacin (sb 265805, lb20304) and comparator agents were determined by an agar dilution method against 419 clinical strains of less-commonly identified species of anaerobes. gemifloxacin was generally more active than trovafloxacin against gram-positive strains by one to two dilutions. peptostreptococci (peptostreptococcus asaccharolyticus, peptostreptococcus magnus, peptostreptococcus micros, and peptostreptococcus prevotii) and porphyromonas spp. (porphyromonas asaccharol ... | 1999 | 10543754 |
| activities of hmr 3004 (ru 64004) and hmr 3647 (ru 66647) compared to those of erythromycin, azithromycin, clarithromycin, roxithromycin, and eight other antimicrobial agents against unusual aerobic and anaerobic human and animal bite pathogens isolated from skin and soft tissue infections in humans. | the activities of hmr 3004 and hmr 3647 and comparator agents, especially macrolides, were determined by the agar dilution method against 262 aerobic and 120 anaerobic strains isolated from skin and soft tissue infections associated with human and animal bite wounds. hmr 3004 and hmr 3647 were active against almost all aerobic and fastidious facultative isolates (mic at which 90% of the isolates are inhibited [mic90], < or = 0.5 and 1 microg/ml, respectively) and against all anaerobes [bacteroid ... | 1998 | 9593139 |
| in vitro efficacy of cefovecin against anaerobic bacteria isolated from subgingival plaque of dogs and cats with periodontal disease. | periodontal disease is a common disease of dogs and cats often requiring antimicrobial treatment as an adjunct to mechanical debridement. however, correct compliance with oral antimicrobial therapy in companion animals is often difficult. cefovecin is a recently introduced veterinary cephalosporin that has demonstrated prolonged concentrations in extracellular fluid, allowing for dosing intervals of up to 14 days. subgingival samples were collected from the oral cavity of 29 dogs and eight cats ... | 2014 | 24930431 |
| occurrence and antimicrobial susceptibility of porphyromonas spp. and fusobacterium spp. in dogs with and without periodontitis. | the occurrence of porphyromonas gulae, porphyromonas macacae, fusobacterium nucleatum and fusobacterium canifelinum in subgingival plaque from dogs with and without periodontitis as well as their antimicrobial susceptibility were evaluated. from 50 dogs with periodontitis were identified 38 p. gulae, 8 p. macacae, 26 f. nucleatum and 15 f. canifelinum, and from 50 dogs without periodontitis were identified 15 p. gulae, 12 f. nucleatum and 11 f. canifelinum. all strains were susceptible to most o ... | 2012 | 22609780 |