Publications
| Title | Abstract | Year(sorted ascending) Filter | PMID Filter |
|---|
| [in vitro activity of a new fluoroquinolone, marbofloxacin (ro 09-1168) against strictly anaerobic bacteria and some bacteria from human fecal flora]. | as recommended by the eec, the in vitro activity of a veterinary quinolone has to be evaluated on human strains isolated from the gut and especially against anaerobes. thus, the mics for marbofloxacin were determined by the reference agar method (norma nccls m11 a3) using wilkins chalgren medium for the 124 anaerobic strains and mueller hinton agar for e. coli, proteus, enterococcus and lactobacillus. on the whole aerobes, the activity of marbofloxacin was equal or slightly greater to that of of ... | 1996 | 8758470 |
| direct evidence for a two-state protein unfolding transition from hydrogen-deuterium exchange, mass spectrometry, and nmr. | we use mass spectrometry in conjunction with hydrogen-deuterium exchange and nmr to characterize the conformational dynamics of the 62-residue igg binding domain of protein l under conditions in which the native state is marginally stable. mass spectra of protein l after short incubations in d2o reveal the presence of two distinct populations containing different numbers of protected protons. nmr experiments indicate that protons in the hydrophobic core are protected in one population, whereas a ... | 1996 | 8762137 |
| isolation of non-sporing anaerobic rods from infections in children. | from 1974 to 1994, 2033 microbiological specimens from children were submitted for cultures for anaerobic bacteria. fifty-seven isolates of bifidobacterium spp. were obtained from 55 (3%) children, 67 isolates of eubacterium spp. from 65 (3%) children and 41 isolates of lactobacillus spp. from 40 (2%) children. most bifidobacterium isolates were from chronic otitis media, abscesses, peritonitis, aspiration pneumonia and paronychia. most eubacterium isolates were from abscesses, peritonitis, decu ... | 1996 | 8667406 |
| bacteremia shortly after placental separation during cesarean delivery. | to assess frequency, risk factors, and microbiology of bacteremia within 15 minutes of placental separation during cesarean delivery. | 1996 | 8677085 |
| [computed tomographic demonstration of intraspinal air after an infection with peptostreptococci]. | 1996 | 8679984 | |
| [diagnosis and treatment of local forms of surgical anaerobic non-clostridial infection]. | 145 patients with such kind of surgical infection have been taken to clarify the cause of it. aerobic agents were the cause in 16.6% and anaerobic nonclostridial agents--in 33.1% of all cases. the mixed flora was the cause in 44.1%. the most important place among anaerobic nonclostridial infections belongs to bacteroids (38.3%), peptostreptococcus (27.3%) and the peptococcus (17.2%). one must use wide-spectrum antibiotic for a treatment of a such kind of infection tiel the usults of microbiologi ... | 1996 | 8683929 |
| fetal fibronectin and microorganisms in vaginal fluid of healthy pregnant women. | to determine fetal fibronectin in vaginal fluid from healthy women during uncomplicated pregnancy and to investigate possible relationships to gestational age and the vaginal microflora. | 1996 | 8693926 |
| [a case of the greater omentum abscess due to peptostreptococcus ssp]. | a case of the greater omentum abscess due to peptostreptococcus ssp. is reported. a 63-year-old male was admitted to heisei memorial hospital with a complaint of abdominal pain. an intraperitoneal mass measuring 6 cm in diameter was detected by ct and ultrasonogram. he was diagnosed as having an intraperitoneal abscess. after antibiotics therapy by cefotiam, laparotomy was performed and an abscess about 7 cm in diameter at the edge of the greater omentum was found. there was no evidence of perfo ... | 1996 | 8699102 |
| microbiology of subperiosteal orbital abscess and associated maxillary sinusitis. | aspirate of pus from eight subperiosteal orbital abscesses (spoas) and their corresponding infected sinuses were studied for aerobic and anaerobic bacteria. polymicrobial flora was found in all instances, and the number of isolates varied from two to five. anaerobes were recovered from all specimens. the predominant isolates were peptostreptococcus spp, prevotella spp, fusobacterium spp, staphylococcus aureus, and microaerophilic streptococci. concordance in the microbiological findings between ... | 1996 | 8699891 |
| pyomyositis in children, caused by anaerobic bacteria. | the author describes the microbiology and clinical features of six pyomyositis infections in children, which yielded anaerobic bacteria. anaerobic bacteria alone were recovered in four instances, and they are mixed with facultative bacteria in two. there were 15 bacterial isolates (13 anaerobic, 2 facultative). the bacteria were peptostreptococcus sp (5 isolates), bacteroides fragilis (3), clostridium sp (2), fuso-bacterium nucleatum (1), prevotella sp (1), bateroides sp (1), streptococcus pyoge ... | 1996 | 8708910 |
| identification of interdomain sequences promoting the intronless evolution of a bacterial protein family. | in the evolution of eukaryotic genes, introns are believed to have played a major role in increasing the probability of favorable duplication events, chance recombinations, and exon shuffling resulting in functional hybrid proteins. as a rule, prokaryotic genes lack introns, and the examples of prokaryotic introns described do not seem to have contributed to gene evolution by exon shuffling. still, certain protein families in modern bacteria evolve rapidly by recombination of genes, duplication ... | 1996 | 8710897 |
| anaerobic septic bursitis: case report and review. | 1996 | 8722967 | |
| in vitro activity of the tricyclic beta-lactam gv104326. | gv104326 is a novel tricyclic beta-lactam (a trinem or, formerly, tribactam). the in vitro activity of gv104326 was compared with those of cefuroxime, cefixime, amoxicillin, amoxicillin-clavulanic acid, cefpirome, and ciprofloxacin. gv104326 had in vitro activity generally similar to that of cefixime against members of the family enterobacteriaceae (mic at which 90% of the isolates are inhibited [mic90], < or = 2 micrograms/ml), with cefuroxime and amoxicillin-clavulanic acid being 8- to 32-fold ... | 1996 | 8723475 |
| antibacterial activity of quinupristin/dalfopristin. rationale for clinical use. | most gram-positive organisms are highly susceptible to the streptogramin, quinupristin/dalfopristin (rp 59500; synercid). minimum inhibitory concentrations for 90% of isolates (mic90) were < or = 1 mg/l for staphylococcus aureus, s. epidermidis, s. haemolyticus, streptococcus pneumoniae, s. pyogenes and listeria monocytogenes. importantly, quinupristin/dalfopristin shows similar activity against methicillin-susceptible and -resistant strains of s. aureus, and streptococci with benzylpenicillin ( ... | 1996 | 8724814 |
| response to periodontal therapy in patients with high or low levels of p. gingivalis, p. intermedia, p. nigrescens and b. forsythus. | in a previous study, subjects receiving either adjunctive tetracycline or augmentin showed, on average, more attachment level gain 10 months post-therapy than subjects receiving either ibuprofen or a placebo, although some subjects in each treatment group showed loss of attachment post-therapy. since differences in treatment response might have been due to differences in the subgingival microbiota, the response to different therapies in subjects with different pre-therapy subgingival microbiotas ... | 1996 | 8739165 |
| utility of 5 major putative periodontal pathogens and selected clinical parameters to predict periodontal breakdown in patients on maintenance care. | the predictive utility of 5 major putative periodontopathic microbial species, "superinfecting" organisms, and several clinical periodontal parameters were assessed relative to periodontitis recurrence over a 12-month period in 78 treated adult patients participating in a 3-month maintenance care program. at baseline, pooled subgingival microbial samples were collected from each patient, and whole-mouth evaluations of probing depth, relative periodontal attachment level, furcation involvement, a ... | 1996 | 8739166 |
| comparison of spiral gradient endpoint and agar dilution methods for susceptibility testing of anaerobic bacteria: a multilaboratory collaborative evaluation. | a multilaboratory collaborative study was carried out to assess the utility of the spiral gradient endpoint (sge) method for the determination of the antimicrobial susceptibilities of anaerobes and to evaluate the equivalence of the mics obtained by the sge method with those obtained by the reference agar dilution method of the national committee for clinical laboratory standards. the standard deviation of the mic obtained by the sge method for the five participating laboratories was +/- 0.26 of ... | 1996 | 8748295 |
| clinical significance of dental root canal microflora. | previous work by this group has shown that a significant association exists between pain and the presence of either prevotella or peptostreptococcus spp. in dental root canals. the aim of this study was to examine a more extensive series of canals microbiologically, to determine whether any other particular endodontic symptoms or clinical signs showed specific associations with individual bacterial species. | 1996 | 8636492 |
| aerobic and anaerobic microbiology of infected hemorrhoids. | to study the aerobic and anaerobic microbiology of infected hemorrhoids. | 1996 | 8607502 |
| bacteriology and beta-lactamase activity in acute and chronic maxillary sinusitis. | to assess the bacteriology and beta-lactamase enzyme activity in aspirates of 10 acutely and 13 chronically inflamed maxillary sinuses. | 1996 | 8600928 |
| aerobic and anaerobic microbiology of superficial suppurative thrombophlebitis. | to study the aerobic and anaerobic microbiologic characteristics of superficial suppurative thrombophlebitis. | 1996 | 8546586 |
| microbiology of mediastinitis. | to study the microbiologic and clinical characteristics of patients with mediastinitis. | 1996 | 8572845 |
| identification and discrimination of oral asaccharolytic eubacterium spp. by pyrolysis mass spectrometry and artificial neural networks. | curie-point pyrolysis mass spectra were obtained from 29 oral asaccharolytic eubacterium strains and 6 abscess isolates previously identified as peptostreptococcus heliotrinreducens. pyrolysis mass spectrometry (pyms) with cluster analysis was able to clarify the taxonomic position of this group of organisms. artificial neural networks (anns) were then trained by supervised learning (with the back-propagation algorithm) to recognize the strains from their pyrolysis mass spectra; all eubacterium ... | 1996 | 8574131 |
| immune response to fusobacterium nucleatum, prevotella intermedia and other anaerobes in children with acute tonsillitis. | the number of aerobic and anaerobic bacteria was determined in the saliva of 20 children with acute group a beta-haemolytic streptococcal (gabhs) pharyngo-tonsillitis, and 20 with acute non-gabhs tonsillitis. antibody titres to four gram-negative anaerobic bacilli that reside in the oropharynx (fusobacterium nucleatum, prevotella intermedia, porphyromonas gingivalis, and actinobacillus actinomycetemcomitans) were determined in these and 20 control patients. an average of 8.8 aerobic and anaerobi ... | 1997 | 9222046 |
| time-kill study of the activity of trovafloxacin compared with ciprofloxacin, sparfloxacin, metronidazole, cefoxitin, piperacillin and piperacillin/tazobactam against six anaerobes. | a time-kill method was developed to examine the killing kinetics of trovafloxacin, ciprofloxacin, sparfloxacin, metronidazole, cefoxitin, piperacillin and piperacillin/tazobactam against one strain each of bacteroides fragilis, bacteroides thetaiotaomicron, prevotella melaninogenica, fusobacterium mortiferum, peptostreptococcus magnus and clostridium perfringens. solutions and suspensions were prepared inside an anaerobic glove box, using syringes and prereduced broth. bottles were then incubate ... | 1997 | 9222066 |
| occurrence of invading bacteria in radicular dentin of periodontally diseased teeth: microbiological findings. | bacterial invasion in roots of periodontally diseased teeth, which has been recently documented using cultural and microscopic techniques, may be important in the pathogenesis of periodontal disease. the purpose of this investigation was to determine the occurrence and the species of invading bacteria in radicular dentin of periodontally diseased teeth. samples were taken from the middle layer of radicular dentin of 26 periodontally diseased teeth. 14 healthy teeth were used as controls. dentin ... | 1997 | 9226388 |
| nmr analysis of the interaction between protein l and ig light chains. | protein l is a cell wall protein expressed by some strains of the anaerobic bacterial species peptostreptococcus magnus. it binds to immunoglobulin (ig) light chains predominantly of the kappa subtype from a wide range of animal species. this binding is mediated by five highly homologous repeats designated as b1-b5, each of which comprises 72 to 76 amino acid residues. the fold of the ig light chain-binding b1 domain of protein l has previously been shown to comprise an alpha-helix packed agains ... | 1997 | 9231896 |
| ovarian vein thrombosis with symptoms prior to term--a case report. | a case with ovarian vein thrombosis before delivery is presented. c-reactive protein exceeded 200 mg/l, and the patient was treated for a suspected infection before the true diagnosis was revealed by ct. after aggressive anti-coagulant therapy, a follow-up ct showed complete remission. | 1997 | 9243212 |
| cloning and expression of the two genes coding for l-serine dehydratase from peptostreptococcus asaccharolyticus: relationship of the iron-sulfur protein to both l-serine dehydratases from escherichia coli. | the structural genes sdha and sdhb, coding for the alpha- and beta-subunits of the [4fe-4s] cluster containing l-serine dehydratase from peptostreptococcus asaccharolyticus, have been cloned and sequenced. expression of modified sdhb together with sdha in escherichia coli led to overproduction of active his6-tagged l-serine dehydratase. e. coli mew22, deficient in the l-serine dehydratase l-sd1, was complemented by this sdhba construct. the derived amino acid sequence of sdhba shares similaritie ... | 1997 | 9244285 |
| separation method of igg fragments using protein l. | protein l (igg kappa-chain-binding bacterial protein) showed a precipitate line(pseudo-immuno-reaction) with igg and f(ab')2 fragment, but did not show any line with the fab fragment, the fc fragment and free kappa-chains in the micro-ouchterlony method. the igg and fab fraction obtained from pa-pain-digested igg (from the sera of patients with chronic thyroiditis), followed by protein a-sepharose, were separated by protein l-sepharose affinity chromatography. the unbound fraction (uf) consisted ... | 1997 | 9246561 |
| microorganisms in vaginal fluid from women in prolonged pregnancy. | in order to compare the vaginal microflora of women in prolonged pregnancy with that of women who delivered at term, samples for quantitative aerobic and anaerobic microbiological culture were collected from 100 women at 42 weeks of gestation and from 60 women at term. the occurrence of lactobacilli-dominated flora was similar in women at term and women with prolonged pregnancy. however, non-hydrogen-peroxide-producing lactobacilli (p < 0.01) were significantly more common and peptostreptococci ... | 1997 | 9251948 |
| beta-lactamase producing bacteria in adult periodontitis. | in 23 untreated adult periodontitis patients, the occurrence of beta-lactamase producing periodontal bacteria was determined. in addition to non-selective isolation media, selective isolation and growth of beta-lactamase positive subgingival bacterial species was carried out on blood agar plates supplemented with amoxicillin and plates with amoxicillin+clavulanic acid. porphyromonas gingivalis, prevotella intermedia, actinobacillus actinomycetemcomitans, peptostreptococcus micros, fusobacterium ... | 1997 | 9266340 |
| effect of the addition of peptostreptococcus productus atcc35244 on the gastro-intestinal microbiota and its activity, as simulated in an in vitro simulator of the human gastro-intestinal tract. | peptostreptococcus productus atcc35244, a reductive acetogenic strain, was added daily over 9 successive days to the fourth vessel (ascending colon) of the shime, a six-stage reactor system simulating the in vivo continuous culture conditions of the human gastro-intestinal tract. final numbers of organisms (cfu)/ml reactor contents (c) were attained such that log10c = 6.9 +/- 0.1. the addition caused the ch4 production to decrease below the detection limit while total gas and co2 production in t ... | 1997 | 9274052 |
| use of the isolator 1.5 microbial tube for culture of synovial fluid from patients with septic arthritis. | synovial fluid specimens obtained from patients with arthritis were plated onto solid media (conventional cultures) or inoculated into an isolator 1.5 microbial tube (isolator cultures), and the yield and time to detection of organisms were compared. overall, 144 specimens obtained from 137 patients were processed, and 31 (21.5%) cultures obtained from 29 patients were positive by at least one method. staphylococcus aureus was isolated from 12 patients, streptococcus pneumoniae and kingella king ... | 1997 | 9276427 |
| peptostreptococcal myonecrosis of extraperitoneal origin--a life-threatening complication of pelvic ring disruption. | this report illustrates the clinical and pathological findings of anaerobic streptococcal myonecrosis following extraperitoneal rectal injury in a 28-year-old patient with traumatic pelvic ring disruption. four days following admission, the patient underwent laparotomy, debridement and drainage of the left-sided abdominal wall and presacral space for gross surgical emphysema and streptococcal anaerobic myonecrosis. the specificity of this infection and its impact on the diagnosis and treatment o ... | 1997 | 9283248 |
| increased susceptibility of rag-2 scid mice to dissemination of endodontic infections. | specific immunity has been implicated in the pathogenesis of periapical lesions, although the extent to which these mechanisms are actually involved in either protection or destruction of the pulp-periapex complex is yet to be established. to investigate this question we compared periapical-lesion pathogenesis in rag-2 severe combined immunodeficient (scid) mice with immunocompetent control mice following surgical pulp exposure. in order to equalize the bacterial challenge, an infection protocol ... | 1997 | 9284152 |
| recently described clinically important anaerobic bacteria: taxonomic aspects and update. | a new method of identifying bacteria, phylogenetic 16s rrna sequencing, has led to major reorganizations among most genera of anaerobic bacteria. the pigmented prevotella species now comprise seven species including p. nigrescens and p. tannerae; p. intermedia/p. nigrescens-like organisms await inclusion. the former mitsuokella dentalis and hallella seregens were transferred to prevotella as one species, p. dentalis. p. enoeca is a new nonpigmenting prevotella. the genus porphyromonas currently ... | 1997 | 9310640 |
| dental implant infections. | dental implants provide a restorative tool to support crowns, bridge abutments, and removable dentures. osseointegrated implants are titanium posts that are surgically implanted in alveolar bone. a tight immobile bond (osseointegration) forms between bone and titanium, and prosthetic and restorative fixtures are attached to the implants. titanium implants differ from natural teeth, which may make them more susceptible to mechanical stress. a small proportion of implants are not successful and ma ... | 1997 | 9310682 |
| bilateral anaerobic empyemas complicating infectious mononucleosis. | 1997 | 9315821 | |
| in-vitro activity of spiramycin and metronidazole alone or in combination against clinical isolates from odontogenic abscesses. | one hundred and forty-eight isolates of bacteria from 20 intraoral odontogenic abscesses were tested for their susceptibility to spiramycin and metronidazole alone or in combination. all isolates, except rothia spp. (one), enterococcus avium (three), haemophilus parainfluenzae (one) and staphylococcus aureus (one) were sensitive to spiramycin and/or metronidazole. among the anaerobes, spiramycin as well as metronidazole showed good antimicrobial activity against species of prevotella, eubacteriu ... | 1997 | 9338486 |
| the aerobic and anaerobic bacteriology of perirectal abscesses. | the microbiology of perirectal abscesses in 144 patients was studied. aerobic or facultative bacteria only were isolated in 13 (9%) instances, anaerobic bacteria only were isolated in 27 (19%) instances, and mixed aerobic and anaerobic flora were isolated in 104 (72%) instances. a total of 325 anaerobic and 131 aerobic or facultative isolates were recovered (2.2 anaerobic isolates and 0.9 aerobic isolates per specimen). the predominant anaerobes were as follows: bacteroides fragilis group (85 is ... | 1997 | 9350771 |
| prospective study of bacteremia rate after elastic band ligation and sclerotherapy of esophageal varices in patients with hepatosplenic schistosomiasis. | esophageal band ligation is considered to be as efficient as endoscopic sclerotherapy, with a lower complication rate, including bacteremia. there are few studies comparing the two methods. the aim of this study was to compare the incidence of bacteremia after both treatments in patients with portal hypertension secondary to schistosomiasis. | 1997 | 9351034 |
| distribution and mobility of the tetracycline resistance determinant tetq. | we tested 34 american type culture collection (atcc) and 168 clinical bacterial isolates, from the human urogenital and oral tracts and streptococci isolated from cows with mastitis, for the presence of the tetq gene using a polymerase chain reaction (pcr) assay and dna-dna hybridization. the identities of pcr products were confirmed by southern blot hybridization of whole-cell dna. eleven of the atcc strains were positive for tetq, including five bacteroides spp., five prevotella spp. and a sin ... | 1997 | 9372425 |
| metastatic bacterial endophthalmitis. a report of four cases all leading to blindness. | to draw attention to the rare but severe entity of endophthalmitis as encountered due to metastatic spread of bacteria. | 1997 | 9374263 |
| taxonomic update and clinical significance of species within the genus peptostreptococcus. | 1997 | 9376474 | |
| coronal leakage of mixed anaerobic bacteria after obturation and post space preparation. | the purpose of this study was to assess bacterial leakage of a mixed anaerobic community of organisms in obturated canals after post space preparation. | 1997 | 9377197 |
| characterization of the free energy spectrum of peptostreptococcal protein l. | native state hydrogen/deuterium exchange studies on cytochrome c and rnase h revealed the presence of excited states with partially formed native structure. we set out to determine whether such excited states are populated for a very small and simple protein, the igg-binding domain of peptostreptococcal protein l. | 1997 | 9377710 |
| [site-specific microbiological tests and the diagnostic significance-- dental and oral infections]. | 1997 | 9379527 | |
| [antimicrobial activities of clarithromycin against recent obtained clinical isolates]. | in order to evaluate antimicrobial activities of clarithromycin (cam), minimum inhibitory concentrations (mics) of cam and control drugs were determined against clinical isolates that were obtained from outpatients in 1994 and 1996. the results are summarized as follows; 1. it was not showed that cam-resistant strains were increasing among staphylococcus spp., beta-streptococci, moraxella subgenus branhamella catarrhalis, haemophilus influenzae, bordetella pertussis, campylobacter jejuni subsp. ... | 1997 | 9394238 |
| [trend of bacterial meningitis in children over a 14 year period (1981 through 1994) in japan--an analysis based on studies in 27 institutions]. | we observed 266 children with purulent meningitis in 27 institutions in japan during the 14 years from 1981 on dividing these years into 3 periods, 1981-1985, 1986-1990 and 1991-1994, and studied the trend of causative organisms identified in 254 among the 266 patients. their ages were less than 3 months after birth in 50 children and 3 months or older in 216: there were 141 boys and 125 girls. the causative organisms were h. influenzae in 134 patients and s. pneumoniae in 50, most of them being ... | 1997 | 9394553 |
| evaluation of the bbl crystal anaerobe identification system. | the bbl crystal anaerobe (anr) identification system was evaluated, and the results were compared with those from conventional anaerobic methods. we tested 322 clinically significant anaerobic bacteria according to the manufacturer's instructions. the system identified correctly 286 of 322 (88.8%) of the anaerobic bacteria tested. of these, 263 of 322 (81.7%) were identified correctly on initial testing and 49 were identified correctly only to the genus level; on repeat testing, 23 of 49 (46.9%) ... | 1997 | 9399517 |
| characterization of smooth and rough morphotypes of peptostreptococcus micros. | isolation of the smooth (sm) morphotype of peptostreptococcus micros, a suspected oral pathogen, is sometimes accompanied by isolation of a rough (rg) morphotype of p. micros. the rg type readily changes to a sm-like variant (rgsm) in broth culture. sm and rg isolates and rgsm variants were compared to determine whether these three types are the result of phase variation. the rgsm variants resembled the sm morphotype in colony morphology; furthermore, the sm type and the rgsm type did not have t ... | 1997 | 9103622 |
| cervical necrotizing fasciitis as a complication of acute epiglottitis. | 1997 | 9106089 | |
| polymicrobial brain abscess in a patient infected with human immunodeficiency virus. | although intracranial mass lesions that occur as a result of infection have commonly been reported in patients infected with human immunodeficiency virus, polymicrobial pyogenic brain abscess has not been described in this setting. we report the first case of a patient with a polymicrobial brain abscess involving streptococcus bovis, fusobacterium necrophorum, peptostreptococcus, and group g streptococcus, and we review the relevant world literature. | 1997 | 9114198 |
| kinetics of folding of the igg binding domain of peptostreptococcal protein l. | the kinetics of folding of a tryptophan containing mutant of the igg binding domain of protein l were characterized using stopped-flow circular dichroism, stopped-flow fluorescence, and hd exchange coupled with high-resolution mass spectrometry. both the thermodynamics and kinetics of folding fit well to a simple two-state model: (1) guanidine induced equilibrium denaturation transitions measured by fluorescence and circular dichroism were virtually superimposable. (2) the kinetics of folding/un ... | 1997 | 9116017 |
| tissue penetration of meropenem in patients undergoing gynecologic surgery. | the purpose of this study was to assess the tissue-penetrating ability of a new beta-lactam antibiotic, meropenem, in 64 patients undergoing elective gynecologic surgery. patients received a single 500-mg dose intravenously before surgery. plasma and tissue concentrations of meropenem were highest at approximately 1 hour, and good tissue penetration was seen in the variety of specimens evaluated. the median plasma concentration at approximately 1 hour was 13.3 micrograms/ml. the median fluid and ... | 1997 | 9126690 |
| inhibitory effects of metronidazole on anaerobic metabolism of phenylalanine and leucine by peptostreptococcus anaerobius. | the metabolism of phenylalanine and leucine by peptostreptococcus anaerobius and the effects of metronidazole on this metabolism were studied. the cells metabolized both phenylalanine and leucine under strict anaerobic conditions and produced hydroxylated products (i.e. phenyllactate from phenylalanine and hydroxyisocaproate from leucine). other products were phenylpropionate, cinnamate and phenylacetate from phenylalanine; isocaproate, alpha-ketoisocaproate and isovalerate from leucine. metroni ... | 1997 | 9069531 |
| septic arthritis after arthroscopic anterior cruciate ligament reconstruction. diagnosis and management. | we performed a retrospective study of knee joint infections after arthroscopic anterior cruciate ligament reconstruction at our institution. two thousand five hundred anterior cruciate ligament reconstructions were performed between 1988 and 1993. seven (0.3%) patients experienced postoperative deep infections of the knee. all anterior cruciate ligament reconstructions were performed using arthroscopically assisted techniques. six (86%) of these patients had concomitant open procedures performed ... | 1997 | 9079185 |
| solution structure of the albumin-binding ga module: a versatile bacterial protein domain. | the albumin-binding ga module is found in a family of surface proteins of different bacterial species. it comprises 45 amino acid residues and represents the first known example of contemporary module shuffling. using 1h nmr spectroscopy we have determined the solution structure of the ga module from protein pab, a protein of the anaerobic human commensal and pathogen peptostreptococcus magnus. this structure, the first three-dimensional structure of an albumin-binding protein domain described, ... | 1997 | 9086265 |
| a comparison of susceptibility results of the bacteroides fragilis group and other anaerobes by traditional mic results and statistical methods. | antimicrobial susceptibility is compared by mic values reflecting activity by weight and/or percentage of strains resistant. this study establishes these parameters in vitro in the traditional fashion and extends analysis statistically for various groups of anaerobic bacteria. mode mic, mic50, mic90 values and percentage of strains resistant indicated comparable activity for most of the beta-lactams. geometric and arithmetic mics suggested ceftizoxime to be the most active beta-lactam. statistic ... | 1997 | 9096180 |
| [bacteria isolated from surgical infections and their susceptibilities to antimicrobial agents. special references to bacteria isolated between july 1995 and june 1996]. | isolated bacteria from infections in general surgery during the period from july 1994 to june 1995 were investigated in a multicenter study in japan, and the following results were obtained. one hundred and sixty-four strains were isolated from primary infections, and 202 strains were isolated from postoperative infections. from primary infections, anaerobic gram-positive bacteria were predominant, while from post operative infections, aerobic gram-positive bacteria were predominant. among aerob ... | 1997 | 9100076 |
| periodontal bacteria colonizing oral mucous membranes in edentulous patients wearing dental implants. | the purpose of this study was to investigate the prevalence of the microbiota on the oral mucosal surfaces and in the peri-implant pocket in edentulous subjects with a past history of periodontitis. twenty edentulous subjects wearing dental implants for at least one year and with a history of periodontitis participated in this study. clinical parameters were assessed (plaque, redness, swelling, peri-implant probing depth [pipd], and bleeding on probing) and microbiological samples were taken (or ... | 1997 | 9100195 |
| protein degradation by prevotella intermedia and actinomyces meyeri supports the growth of non-protein-cleaving oral bacteria in serum. | the proteolytic activities of oral bacteria are thought to play an important role in the aetiology of dental abscesses. bacteria-derived proteases may contribute to tissue destruction, and are likely to impair host defence by degrading immunoglobulins and complement. degraded periodontal tissue and tissue fluid are likely to constitute essential sources of nutrients in the abscess. tissue fluid, which is derived from serum, is rich in protein and poor in carbohydrate, suggesting that breakdown o ... | 1997 | 9178115 |
| periodontal findings in cohen syndrome with chronic neutropenia. | radiographic periodontal status and microbiological findings of periodontal pockets in subjects with cohen syndrome are presented in this report. this hereditary disorder causes mental retardation, and neutropenia is one feature of the syndrome. fifteen patients with cohen syndrome and 15 controls matched for age and sex and, as far as possible, according to the degree of mental retardation were examined. alveolar bone loss was evaluated from the panoramic radiographs. two subgingival samples we ... | 1997 | 9182743 |
| microbiology of nonbullous impetigo. | our objective was to establish the aerobic and anaerobic microbiology of nonbullous impetigo (ni) in children. we used a retrospective review of clinical microbiology laboratory and patients' records. specimens were obtained from 40 patients with ni lesions and showed bacterial growth. aerobic or facultative anaerobic bacteria only were present in 24 patients (60%), strict anaerobic bacteria only in 5 patients (12.5%), and mixed anaerobic-aerobic flora was present in 11 patients (27.5%). sixty-f ... | 1997 | 9192410 |
| a case of secondary sjögren's syndrome with a swollen thigh. | 1997 | 9135217 | |
| antibacterial activities of tosufloxacin against anaerobic bacteria and the electron micrograph of its bactericidal effects. | tosufloxacin, a quinolone, showed a broad antibacterial spectrum against gram-positive and gram-negative bacteria including anaerobic bacteria. tosufloxacin was 4- to 8-fold more active than levofloxacin and ciprofloxacin. the mic90 of tosufloxacin for clinical isolates of bacteroides fragilis, bacteroides vulgatus, bacteroides thetaiotaomicron and peptostreptococcus asaccharolyticus were 0.78, 0.39, 1.56 and 0.39 micrograms/ml, respectively. morphological observation with the scanning and trans ... | 1997 | 9142454 |
| synthesis by an alpha-glucosidase of glycosyl-trehaloses with an isomaltosyl residue. | glycosyl-trehaloses with an isomaltosyl residue were synthesized by alpha-glucosidase from aspergillus niger by using maltotetraose as a glucosyl donor and trehalose as the acceptor. the one trisaccharide and two tetrasaccharides formed were isolated by successive column chromatography. the results of an enzymatic digestion, methylation analysis, and 13c-nmr studies indicated that these oligosaccharides were alpha-isomaltosyl alpha-glucoside, alpha-isomaltotriosyl alpha-glucoside and alpha-isoma ... | 1997 | 9145529 |
| microbiology of chronic maxillary sinusitis: comparison between specimens obtained by sinus endoscopy and by surgical drainage. | the aerobic and anaerobic microbiology of sinus aspirates obtained during surgery was compared with culture of samples obtained by endoscopy. six patients with chronic maxillary sinusitis were evaluated. polymicrobial flora was found in all specimens (two-to-five isolates/sample). a total of 24 isolates (18 anaerobic, five aerobic and one micro-aerophilic) was obtained from sinus aspirates, and 25 isolates (16 anaerobic and nine aerobic) were found in endoscopic specimens. the predominant organi ... | 1997 | 9152041 |
| organisms isolated from dogs and cats with anaerobic infections and susceptibility to selected antimicrobial agents. | to determine the prevalence of obligate anaerobic bacteria in bacterial infections in dogs and cats and susceptibility to selected antimicrobial agents. | 1997 | 9170087 |
| effect of 2-bromoethanesulfonic acid and peptostreptococcus productus atcc 35244 addition on stimulation of reductive acetogenesis in the ruminal ecosystem by selective inhibition of methanogenesis. | evidence is provided that reductive acetogenesis can be stimulated in ruminal samples during short-term (24-h) incubations when methanogenesis is inhibited selectively. while addition of the reductive acetogen peptostreptococcus productus atcc 35244 alone had no significant influence on ch4 and volatile fatty acid (vfa) production in ruminal samples, the addition of this strain together with 2-bromoethanesulfonic acid (bes) (final concentration, 0.01 or 0.03 mm) resulted in stimulation of acetic ... | 1997 | 8979351 |
| evaluation of the anaeropack system for growth of clinically significant anaerobes. | the anaeropack (mitsubishi gas chemical america, inc., new york, n.y.) system was compared with the gaspak (becton dickinson microbiology systems, cockeysville, md.) system and a conventional anaerobe chamber to evaluate the ability of the anaeropack system to support the growth of clinically significant anaerobes. the anaeropack system requires no catalyst or water, produces no hydrogen, and is oxygen absorbing and carbon dioxide generating. it is simple to use and reduces preparation time to a ... | 1997 | 9041388 |
| the clinical, microbial, and host response characteristics of the failing implant. | the goal of this study was to provide new data regarding levels of inflammatory and growth factor mediators and bacterial pathogens associated with failing implants, as compared to healthy implants. twenty-one patients with failing implant sites (group 1) and 8 patients with only healthy implants (group 2) were included. fifteen of the 21 failing implant patients (group 1) also presented with at least one stable nondiseased implant. plaque samples were examined, using dna oligonucleotide probes ... | 1997 | 9048452 |
| equilibrium and pre-equilibrium fluorescence studies on the interaction between protein l and kappa light chain. | 1997 | 9056936 | |
| aerobic and anaerobic microbiology of bacterial tracheitis in children. | establish the aerobic and anaerobic microbiology of bacterial tracheitis in children. | 1997 | 9061728 |
| conformational analysis of peptides corresponding to all the secondary structure elements of protein l b1 domain: secondary structure propensities are not conserved in proteins with the same fold. | the solution conformation of three peptides corresponding to the two beta-hairpins and the alpha-helix of the protein l b1 domain have been analyzed by circular dichroism (cd) and nuclear magnetic resonance spectroscopy (nmr). in aqueous solution, the three peptides show low populations of native and non-native locally folded structures, but no well-defined hairpin or helix structures are formed. in 30% aqueous trifluoroethanol (tfe), the peptide corresponding to the alpha-helix adopts a high po ... | 1997 | 9007989 |
| contemporary management of deep neck space infections. | deep neck infections continue to be seen despite the wide use of antibiotics. these infections follow along fascial planes to create deep neck space abscesses. the clinical presentation often points to the space involved. understanding the regional anatomy gives the surgeon the ability to treat these grave infections. the records of 24 patients with a diagnosis of deep neck space abscess admitted to hermann hospital between 1988 and 1993 were reviewed. fifty percent of the patients had received ... | 1997 | 9018251 |
| microbiology of otitis externa. | microbiologic and clinical data from 26 patients with otitis externa were prospectively evaluated. specimens were processed for aerobic and anaerobic bacteria. bacterial growth was noted in 23 specimens. a total of 33 aerobic and 2 anaerobic bacteria were recovered. aerobic bacteria only were isolated in 21 (91%) patients, anaerobic bacteria only in 1 (4%), and mixed aerobic and anaerobic bacteria in 1 (4%). the most common isolates were pseudomonas aeruginosa (14 instances), staphylococcus aure ... | 1997 | 9018252 |
| anaerobic meningitis due to peptostreptococcus species: case report and review. | we describe a patient with postsurgical anaerobic meningitis due to peptostreptococcus magnus. in cases of meningitis associated with peptostreptococcus species reported in the literature, the most common predisposing factors are meningorectal fistulae and head-and-neck surgery. most patients respond well to appropriate antimicrobial therapy. surgical intervention may be required in some instances. | 1997 | 9431395 |
| [meropenem: microbiologic perspective]. | meropenem is a beta-lactamic carbapenem derived from thienamycin and is structurally characterized by the presence of a beta-methyl group in position c1 which confers stability to the molecule versus renal dehydropeptidase 1 (dhp-1), thereby making the coadministration of an enzyme inhibitor unnecessary. its esterochemical configuration of the lateral chain in c2 (dimethyl carbomoilpyrrolidenethium) increases the activity versus gram negative bacteria (enterobacteria and pseudomonas) and moreove ... | 1997 | 9410064 |
| [anti-anaerobic activity of carbapenems]. | the critical concentrations of sensitivity and resistance for meropenem versus anaerobic bacterias were analyzed. it is demonstrated the meropenem is a powerful inhibitor of the microorganisms of the bacteroides groups (mic90 < 1 mg/l), prevotella > porphyromonas, fusobacterium, veillonella, clostridium perfringens is inhibited at a mic < 0.06 mg/l. the mic of meropenem versus c. difficile is 2 mg/l. they are also highly susceptible to the propionibacterium, peptostreptococcus and peptococcus ty ... | 1997 | 9410076 |
| [aerobic and anaerobic bacterial flora in chronic sinusitis in adults]. | the aim of the study was to analyse microbiologically samples obtained from 30 patients aged from 21 to 73 years treated for chronic sinusitis. aerobic bacteria only were isolated in 16 patients (53%), and anaerobic organisms only in 5 patients (17%). mixed aerobic and anaerobic isolates were recovered from 9 patients (30%). the isolated aerobic bacteria were as follows: streptococci from the species streptococcus salivarius, streptococcus anginosus, streptococcus group c, streptococcus sanguis, ... | 1997 | 9411078 |
| [microflora of periodontal pockets in advanced periodontitis]. | the aim of study was the evaluation of periodontal pockets microflora in patients with advanced periodontitis. from each subject 16-20 samples were taken using paper points. pooled sample after 60 s. mixing was serially diluted in reduced bhi. for total cell counts and for the isolation of black pigmented anaerobes brucella agar supplemented with 5% sheep blood, hemin, menadione, with and without kanamycin-vancomycin mixture and bm agar plates were used. for isolation of a. actinomycetemcomitans ... | 1997 | 9411079 |
| contrasting roles for symmetrically disposed beta-turns in the folding of a small protein. | to investigate the role of turns in protein folding, we have characterized the effects of combinatorial and site-directed mutations in the two beta-turns of peptostreptococcal protein l on folding thermodynamics and kinetics. sequences of folded variants recovered from combinatorial libraries using a phase display selection method were considerably more variable in the second turn than in the first turn. these combinatorial mutants as well as strategically placed point mutants in the two turns h ... | 1997 | 9417937 |
| periodontitis patient and the spouse: periodontal bacteria before and after treatment. | suspected periodontal pathogens can be transmitted between spouses. the treatment response may be unsuccessful in periodontitis patients, if the spouse harbors these bacteria. the aim of the present 6-month follow-up study was to clarify whether the microbiological treatment outcome of periodontitis patients is related to the detection of suspected periodontal pathogens in the saliva of the spouse. 10 patients with advanced periodontitis and their spouses were included in the study. the patients ... | 1997 | 9442426 |
| chronic sinusitis in children. | in children, sinusitis is a common, generally uncomplicated, and self limiting disease which drops with age. the diagnosis is difficult because of relatively non specific signs and symptoms that overlap with viral upper respiratory infection and allergy. plain paranasal sinus radiographs are not adequate, in determining the extent of involvement in recurrent or chronic sinusitis and so ct scan has become the standard. viral illness appears to be the most common predisposing factor. immune defect ... | 1997 | 9444376 |
| [non-sporeforming anaerobic bacteria in bronchoalveolar lavage fluid of patients with pneumonia during the course of lung cancer]. | the aim of this study was to assess the occurrence of non-sporeforming anaerobes in bronchoalveolar lavage in patients with pneumonia coexisting with lung cancer. material consisted of 40 patients with lung cancer. bronchoalveolar lavage was performed before administration of antimicrobial treatment and obtained material was cultivated in anaerobic and aerobic conditions. quantitative assessment of anaerobic bacteria and their susceptibility to common antimicrobial agents were also performed. pe ... | 1997 | 9489438 |
| periapical abscesses: causal bacteria and antibiotic sensitivity. | the purpose of this study was to investigate the aerobic and anaerobic flora of periapical abscesses and evaluate their susceptibility to various antibiotics. in 52 patients, with a diagnosis of periapical abscesses, pus cultures were taken. forty-two aerobes and 122 anaerobes were revealed, with 2 or more than 2 anaerobic strains isolated in 36 patients. infections were purely aerobic in 6%, purely anaerobic in 17% and mixed in 75%, while in 2% of the specimens there was no growth of microorgan ... | 1997 | 9491841 |
| gram-positive resistance: challenge for the development of new antibiotics. | the incidence of infections caused by multidrug-resistant gram-positive organisms is increasing despite advances in antibacterial therapy over the last 20 years. as the pathogens causing these infections are frequently resistant to most currently available antibacterials, they are extremely difficult to treat. problematic pathogens include strains of streptococcus pneumoniae resistant to beta-lactams and macrolides, viridans group streptococci resistant to beta-lactams and aminoglycosides, enter ... | 1997 | 9511055 |
| [actinobacteriosis of paranasal sinuses]. | on the base the review of literature and own case the authors presents diagnostic difficulties and therapy of paranasal sinuses actinobacteriosis. actinobacteriosis of sinuses is very rare case and diagnostic analysis based on mycologic and histopathologic investigations. in our case sinuses actinobacteriosis orbital abscess complication has been noted. antibiotic therapy and surgical treatment have been used in this case. | 1997 | 9518322 |
| aerobic, anaerobic and fungal burn wound infections. | one hundred and twenty-seven patients were studied prospectively for aerobic, anaerobic and fungal burn wound infections. all cases yielded organisms on culture. a total of 377 isolates were recovered (239 aerobes, 116 anaerobes and 22 fungi). aerobic bacteria alone were present in 49 patients (38.6%). anaerobic bacteria alone were present in four patients (3.2%). candida sp. alone was present in one patient (0.8%). mixed aerobic and/or anaerobic bacteria and/or fungi were present in 73 patients ... | 1997 | 9457609 |
| [bacterial flora in chronic purulent maxillary sinusitis]. | in the years from 1993 till 1995 there were 132 tests done on occurrence aerobes (oxygen bacteria) and 56 tests on occurrence of anaerobes and fungus in patients with chronic sinusitis. the most common microorganisms among the aerobes was haemophilus influenzae (23.1%) and staphylococcus aureus (20.9%). the most common microorganisms among the anaerobes was peptococcus and peptostreptococcus (together 57.1%) and from the strains bacteroides (36.8). the breeded oxygen microorganisms gr(+) were mo ... | 1997 | 9757687 |
| a microbiological study of pre- and postoperative apicoectomy sites. | there is little information on the microbiology of periapical lesions, and no data on the residual microbial flora in the periapex, if any, after apicoectomy procedures. hence, 64 patients treated by apicoectomy procedures were prospectively studied to assess the bacterial flora in the periapex and to evaluate the residual bacteria in postoperative apicoectomy sites. of the 64 lesions studied, 14 (22%) were sterile and 50 (78%) yielded bacteria preoperatively. bacteria could be recovered from 28 ... | 1997 | 9552822 |
| secondary bacterial infection in ghanaian patients with scabies. | from 110 patients with secondarily infected scabies lesions, 105 bacteria consisting of 66 aerobes and 39 anaerobes were isolated. a mixture of aerobic and anaerobic bacteria was present in 15 (13.6%). the predominant aerobic and anaerobic bacteria were staphylococcous aureus 39.1% and pepostreptococcus spp. 14.2% respectively. organisms that resided in the mucus membranes close to or in contact with the lesions predominated in those infections. most organisms were recovered from the finger and ... | 1997 | 9557448 |
| post-caesarean septicaemia in kandang kerbau hospital, singapore, 1993-1995. | we reviewed all documented cases of septicaemia following caesarean deliveries in kandang kerbau hospital between 1st january 1993 to 31st december 1995. there were 22 cases of septicaemia among 8201 caesarean births, and hence the incidence is 2.7:1000. there were 45,412 deliveries, and the overall caesarean section rate was 18.1%. among the 22 documented cases of septicaemia which came under this study, the most common clinical conditions found were endomyometritis (7 cases), urinary tract inf ... | 1997 | 10968108 |
| [a case of subacute bacterial endocarditis caused by anaerobic peptostreptococcus]. | 1997 | 9868074 | |
| [a study of anaerobic infection in maxillofacial region]. | to analyse the anaerobic infection of maxillofacial surgery and estimate the efficacy of antianaerobic therapy, 45 patients were divided into two groups, tinidazole group and metronidazole group. bacterial culture was positive before treating in all cases. there were bacillus melaniogenicus, veillonella, peptococcus and peptostreptococus, etc. there was excellent efficacy in the treatment of maxillofacial anaerobic infection by tinidazole intravenously. after treatment, the result of bacterial e ... | 1997 | 9868121 |
| fungi in therapy-resistant apical periodontitis. | the occurrence of yeasts in 967 microbiological endodontic samples taken from root canals in persistent endodontic infections was studied. the sampling was done by general practitioners in various parts of finland from root canal infections which did not respond favourably to standard conservative therapy. the samples were cultivated aerobically on a non-selective enriched horse blood agar medium, on tsbv agar medium in 5% co2 and anaerobically on horse blood agar medium. micro-organisms were fo ... | 1997 | 10332243 |
| peptostreptococcus vaginalis or peptostreptococcus prevotii? identification and clinical importance of a new species of peptostreptococcus. | peptostreptococcus vaginalis is a recently described species of gram-positive anaerobic coccus. we report one case in which p. vaginalis was isolated in pure culture from an abscess on the upper arm, and summarise nine further cases where it was isolated in mixed culture from other superficial sites, particularly infected leg ulcers. we suggest that clinical strains of p. vaginalis have probably been described in the past as peptostreptococcus prevotii, a species which has frequently been report ... | 1997 | 16887558 |
| anaerobes isolated from clinical material over three years. | data on anaerobic bacteria isolated from clinical specimens at the bacteriology department within the 3-year period (1992-1994) were analysed. anaerobic cultivation was carried out in all aspirates and swabs were transferred in transport media in syringes or blood cultures. established growth occurred in all samples cultivated in thioglycollate broth after 4 days of incubation. cultivation methods included enrichment media, gaspak jar, and api (biomerieux) for final identification. a sulfite-red ... | 1997 | 16887566 |