| serologic studies of streptococcus intermedius, streptococcus constellatus, and streptococcus morbillorum by crossed immunoelectrophoresis. | a reference antigen-antibody system for streptococcus intermedius, streptococcus constellatus, and streptococcus morbillorum was established with crossed immunoelectrophoresis. a comparison of s. intermedius, s. constellatus, and s. morbillorum with crossed immunoelectrophoresis and crossed immunoelectrophoresis with intermediate gel indicated that s. intermedius and s. constellatus are closely related antigenically with as many as six common cytoplasmic antigens. s. morbillorum was antigenicall ... | 1979 | 453098 |
| long-chain fatty acids of peptococci and peptostreptococci. | the long-chain fatty acids extracted from the whole cells of 12 clinically significant species of peptococci and peptostreptococci were characterized by gas-liquid chromatography. the resulting methylated fatty acid profiles (and some unidentified compounds) of 82 strains allowed the 12 species to be separated into four groups. fifteen strains of peptostreptococcus anaerobius were placed in group i because they had a unique, prominent compound that occurred in the area where a c8 to c10 fatty ac ... | 1976 | 1002830 |
| streptococcus milleri group: renewed interest in an elusive pathogen. | the following review examines the bacteriological characteristics, epidemiology, pathogenicity and antimicrobial susceptibility of the "streptococcus milleri group". "streptococcus milleri group" is a term for a large group of streptococci which includes streptococcus intermedius, streptococcus constellatus and streptococcus anginosus. usually considered commensals, these organisms are often associated with various pyogenic infections including cardiac, abdominal, skin and central nervous system ... | 1992 | 1526231 |
| streptococcus intermedius, streptococcus constellatus, and streptococcus anginosus (the streptococcus milleri group): association with different body sites and clinical infections. | the associations of streptococcus intermedius, s. constellatus, and s. anginosus (the three species of the s. milleri group) with clinical infections and sites of isolation were investigated by using a simple biochemical scheme to identify a collection of 153 clinical isolates. s. intermedius was associated with abscesses of the brain and liver, while both s. anginosus and s. constellatus were isolated from a wider range of sites and infections. s. anginosus strains predominated in both genitour ... | 1992 | 1734062 |
| [studies on clinical significance of "streptococcus milleri group" in respiratory infections]. | "streptococcus milleri group" are the part of the indigenous oral flora, and they are proposed to contain three distinct species: streptococcus anginosus, streptococcus constellatus, and streptococcus intermedius. though not included in the approved lists of bacterial names, "s. milleri group" are regarded as the causative organisms of suppurative infections, such as oral abscess, brain abscess, lung abscess and empyema. i have studied the clinical significance of the "s. milleri group" in respi ... | 1991 | 1791343 |
| emended descriptions and recognition of streptococcus constellatus, streptococcus intermedius, and streptococcus anginosus as distinct species. | strains currently classified as streptococcus anginosus include strains previously identified as streptococcus constellatus (prevot 1924) holdeman and moore 1974, streptococcus intermedius (prevot 1925), and "streptococcus milleri" (guthof 1956) because these specific epithets were argued to be later synonyms of streptococcus anginosus (andrewes and horder 1906) smith and sherman 1938 by coykendall et al. (int. j. syst. bacteriol. 37:222-228, 1987). however, recent data from dna-dna hybridizatio ... | 1991 | 1995029 |
| serogrouping of oral streptococcus intermedius. | employing twenty fresh oral isolates of streptococcus intermedius, studies were carried out to characterize serological relations among the isolates and also between the isolates and the strains of bacterial species closely related to s. intermedius. the rantz-randall extracts from the cells were used as antigens. the anti-rabbit serum raised against s. intermedius atcc 27335t reacted with the cell extracts from only three strains of the isolates, which were designated serogroup i strains. the o ... | 1990 | 2111871 |
| phenotypic differentiation of streptococcus intermedius, streptococcus constellatus, and streptococcus anginosus strains within the "streptococcus milleri group". | a biochemical scheme was developed by which strains of streptococcus constellatus, streptococcus intermedius, and streptococcus anginosus can reliably be distinguished from within the "streptococcus milleri group." strains identified as s. intermedius were differentiated by the ability to produce detectable levels of alpha-glucosidase, beta-galactosidase, beta-d-fucosidase, beta-n-acetylgalactosaminidase, beta-n-acetylglucosaminidase, and sialidase with 4-methylumbelliferyl-linked fluorogenic su ... | 1990 | 2380375 |
| association of viridans group streptococci from pregnant women with bacterial vaginosis and upper genital tract infection. | the prevalence and role of viridans group streptococci in the female genital tract have not been well described. in this study of 482 pregnant women, 147 (30%) were culture positive for viridans group streptococci. of 392 women with predominant lactobacillus morphotypes by gram stain (normal), 110 (28%) were colonized with viridans group streptococci, compared with 37 (41%) of 90 women with bacterial vaginosis (bv) (p = 0.02). to determine whether any species were associated with bv, 177 consecu ... | 1988 | 2454943 |
| a qualitative and quantitative study of the cellular fatty acids of 'streptococcus milleri' with capillary gas chromatography. | fatty acid analysis was done with gc and gc-ms on 21 strains of 'streptococcus milleri', representative of the various proposed species. although no qualitative differences were found in the fatty acid profiles, discriminant analysis of the quantitative data revealed three groups. streptococcus anginosus and streptococcus constellatus were indistinguishable but separated from the other two groups which comprised streptococcus intermedius, with a wide fermentation pattern and streptococcus interm ... | 1989 | 2600587 |
| [taxonomic studies of the streptococcus intermedius strains isolated from human oral cavities]. | human oral isolates of streptococcus intermedius, which were biochemically identified, have been classified into 5-serogroups (i-v). selecting some representive stock cultures together with the type strain atcc 27335, comparisons were carried out between them in terms of cell extractable proteins, g + c mol% values, dna-dna homology and dna restriction fragments. since the taxon of s. intermedius has not been clarified, comparison was also made between the above strains and the type strains of t ... | 1989 | 2610299 |
| dna-dna hybridization studies and phenotypic characteristics of strains within the 'streptococcus milleri group'. | twenty-five strains resembling 'streptococcus milleri' were compared by dna-dna hybridization, by whole-cell-derived polypeptide patterns on sds-page, and by biochemical tests. four homology groups were revealed by dna-dna hybridization. dna homology groups 1, 2 and 3 were closely related and contained the type strains ncdo 2226 (streptococcus constellatus), ncdo 2227 (streptococcus intermedius) and nctc 10713 (streptococcus anginosus), respectively. dna homology group 4 consisted of four strain ... | 1989 | 2632666 |
| fatty acid composition of streptococcus milleri. | the cellular fatty acids of 31 strains belonging to the streptococcus milleri group were analysed by capillary gas-liquid chromatography. results were compared with findings from biochemical differentiation of the strains into streptococcus constellatus (two strains), streptococcus anginosus (16 strains) and streptococcus intermedius (13 strains). eight strains of various other streptococci were included as internal references, including three strains of streptococcus morbillorum, three strains ... | 1985 | 4043056 |
| phosphatase activity of anaerobic organisms. | anaerobic organisms were tested for phosphatase activity in different ph ranges. several groups of organisms displayed characteristic patterns. bacteroides fragilis, b. melaninogenicus, and b. ruminicola produced phosphatase with strongest activity at ph 8.6. fusobacterium mortiferum was the only species of this genus to show strong hydrolysis. the enzyme was active in both acid and alkaline ranges. the activity of gram-positive organisms was variable, the most active groups being clostridium pe ... | 1974 | 4363556 |
| nutritionally variant streptococci from corneal ulcers in horses. | of 24 isolates of nutritionally variant streptococci recovered from equine corneal ulcers, 22 were tested for growth requirements, physiological and biochemical reactions, and susceptibility to different antimicrobial agents. satisfactory growth was obtained by supplementing blood agar and todd-hewitt broth with pyridoxal hydrochloride, and all of the media for the culture and the biochemical testing were supplemented with 0.002% of this substance. biochemical patterns of 12 of the isolates rese ... | 1984 | 6520222 |
| [a case of spondylodiscitis caused by propionibacterium acnes and peptococcus constellatus]. | | 1983 | 6612203 |
| pathogenicity of anaerobic gram-positive cocci. | the pathogenicity of 20 strains of facultative or anaerobic gram-positive cocci (agpc) was investigated by injecting them alone or mixed with other flora into mice, utilizing the subcutaneous abscess model. abscesses induced by a mixture of two organisms were uniformly larger than those induced by single organisms. the relationships among seven agpc strains, eight aerobes, and two bacteroides spp. were determined by treating the infected animals with antibiotics and observing the effect of thera ... | 1984 | 6746091 |
| penicillin-resistant streptococcus constellatus as a cause of endocarditis. | endocarditis in a 2-year-old child was caused by a penicillin-resistant streptococcus constellatus. viridans streptococci in general and those associated with endocarditis in particular are usually believed to be penicillin sensitive. although the patient did not receive prophylactic antibiotics, the child had recently been treated with an oral penicillin. penicillin-resistant viridans streptococci are usually sensitive to the synergistic effects of penicillin and an aminoglycoside, but this org ... | 1982 | 7055109 |
| heterogeneity among 16s-23s rrna intergenic spacers of species within the 'streptococcus milleri group'. | the 16s-23s rrna intergenic spacer has been suggested as a suitable region of the bacterial genome from which to derive useful taxonomic information, particularly with regard to identification at the species level. to investigate this approach as an aid to the identification of the three species comprising the 'streptococcus milleri group' (smg), the spacers of isolates of streptococcus intermedius, streptococcus anginosus and streptococcus constellatus were amplified by pcr and length polymorph ... | 1995 | 7545512 |
| streptococcus anginosus, streptococcus constellatus and streptococcus intermedius. clinical relevance, hemolytic and serologic characteristics. | a collection of 518 "streptococcus milleri" isolates recovered from clinical specimens was identified to the species level according to recently established criteria. streptococcus anginosus was the most frequently isolated species (59.3%), followed by s constellatus (30.3%) and s intermedius (10.4%). one third (34%) of all isolates were beta-hemolytic. the majority of s anginosus isolates were nonhemolytic, carried lancefield group f, or were nongroupable. most of the s constellatus isolates we ... | 1995 | 7572815 |
| [antibacterial activities of cefmenoxime against recent fresh clinical isolates from patients in sinusitis]. | in order to evaluate antimicrobial activity of cefmenoxime (cmx), minimum inhibitory concentrations (mics) of cmx and control drugs were determined against clinical isolates from patients of sinusitis that were obtained in our laboratory from october of 1993 to march of 1994. the results are summarized as follows; 1. cmx showed strong antimicrobial activities against streptococcus pneumoniae, haemophilus influenzae and moraxella subgenus branhamella catarrhalis that were 3 major aerobic bacteria ... | 1995 | 7637194 |
| species identification of members of the streptococcus milleri group isolated from the vagina by id 32 strep system and differential phenotypic characteristics. | the importance of bacterial vaginosis as a risk factor in obstetric and gynecological infections has recently been recognized. the bacterial vaginosis group of organisms includes members of the streptococcus milleri group, the identification of which has caused much confusion. we prospectively surveyed the rates of carriage of s. milleri group organisms in 397 high vaginal swabs received in our laboratory. for the identification of 99 clinical isolates and 23 control strains, we compared the res ... | 1995 | 7650193 |
| pathogenicity of the streptococcus milleri group in pulmonary infections--effect on phagocytic killing by human polymorphonuclear neutrophils. | the pathogenicity of streptococcus constellatus in pulmonary infections was investigated in mice in correlation with the phagocytic killing of the microorganisms by human polymorphonuclear neutrophils (pmns). the histological inflammation score of the lungs in mice inoculated intratracheally with 10(8) cfu/mouse of the virulent strain s. constellatus rzyk001 obtained from bronchoalveolar fluid of a patient with pneumonia, was significantly higher than in mice inoculated with the avirulent strain ... | 1995 | 7745309 |
| effects of different acidulants on growth of 'streptococcus milleri group' strains isolated from various sites of the human body. | growth of human clinical isolates of streptococcus constellatus, strep. intermedius and strep. anginosus in hcl-, acetate and lactate acidified media was investigated. under aerobic conditions, strep. constellatus and strep. anginosus were significantly more tolerant to all the acidulants than was strep. intermedius. under anaerobic conditions, strep. anginosus and strep. intermedius were significantly more tolerant to acetic acid (ph < 4.5) than strep. constellatus. | 1995 | 7766224 |
| degradative enzymes of oral streptococci. | members of the streptococcus sanguis group (ssg) and streptococcus milleri group (smg) were screened for their ability to produce glycosidase, arylamidase (peptidase), protease, dextranase and glycosyltransferase activities. species within each group produced unique patterns of activity. the most commonly produced glycosidases were beta-d-glucosidase, beta-d-galactosidase, n-acetyl-beta-d-glucosaminidase and n-acetyl-beta-d-galactosaminidase and the least commonly produced glycosidase activity w ... | 1995 | 7786231 |
| chronic cough associated with subacute bacterial endocarditis. | although the literature on subacute bacterial endocarditis from both the preantibiotic and antibiotic eras mentions cough as a symptom, neither bacteremia nor endocarditis is listed in reviews on chronic cough. herein we describe a 74-year-old man who underwent an extensive workup as an outpatient because of chronic cough of 7 months' duration. chest roentgenography, chest and sinus computed tomography, fiberoptic bronchoscopy, gallium scan, transthoracic echocardiography, and other studies reve ... | 1995 | 7791389 |
| mucin-sulphatase activity of some oral streptococci. | mucin-sulphatase activity, measured using a 35s-[so4(2-)]-labelled colonic mucin substrate, was detected in whole cells of streptococci isolated from the human oral cavity. the highest levels of sulphatase activity were found in all strains of streptococcus salivarius, streptococcus mitis and in half of the strains of streptococcus mutans tested. little or no activity was detected in 9 of the 11 streptococcus oralis strains examined, in the 4 streptococcus constellatus strains, and in the 3 stre ... | 1994 | 7850844 |
| a prospective study of microorganisms in urine and bladder biopsies from interstitial cystitis patients and controls. | interstitial cystitis (ic) is a chronic inflammatory condition of the bladder of unknown etiology. we tested the hypothesis that a microorganism would be found at higher prevalence in urine or bladder tissue from women with ic than from control women. | 1995 | 7855970 |
| microaerophilic streptococci as a significant pathogen: a twelve-year review. | one hundred twenty three microaerophilic streptococci (ms) were isolated from 4,603 specimens submitted for the identification of anaerobic bacteria over the course of 12 years. the ms included 16 streptococcus constellatus, 43 streptococcus intermedius and 21 gemella morbillorum. a total of 81 ms isolates (66%) identified from 75 patients were considered to cause infection. predisposing or underlying conditions were noted in 48 (64%) patients. the most common conditions were previous surgery (1 ... | 1994 | 7996059 |
| microaerophilic streptococcal infection in children. | a total of 148 isolates of microaerophilic streptococci (ms) (47 streptococcus constellatus, 43 streptococcus intermedius and five gemella morbillorum) were cultured from 123 children. there were predisposing conditions in 47 (38%) patients of which most common were previous surgery (14), trauma (11), malignancy (9) diabetes (6) and immunodeficiency (5). ms were the only bacteria isolated from 12 (10%) patients and mixed infections were encountered in 111, when the number of isolates varied betw ... | 1994 | 8089512 |
| a mechanism of pathogenicity of "streptococcus milleri group" in pulmonary infection: synergy with an anaerobe. | the relationship between streptococcus constellatus, one of the species of the "streptococcus milleri group", and prevotella intermedia was studied in a model of pneumonia in mice and in vitro to elucidate mechanisms of pathogenicity in "s. milleri group"-associated pulmonary infection. acute pneumonia with or without empyema and lung abscess in mice with mixed infection resulted in 60% mortality rate, but there was only 10% mortality and mild pneumonia in each separate infection. bacterial clea ... | 1994 | 8107060 |
| enzymatic differentiation and biochemical and serological characteristics of the clinical isolates of streptococcus angiosus, s. intermedius and s. constellatus. | of the 29 'streptococcus milleri' strains tested, all thirteen streptococcus intermedius (dna homology group 2) strains but none of the thirteen streptococcus anginosus (group 1) strains produced beta-n-acetylglucosaminidase, beta-n-acetylgalactosaminidase, alpha-n-acetylneuraminidase, beta-galactosidase, alpha-glucosidase, and hyaluronidase. the three streptococcus constellatus (group 3) strains produced only the latter two. glycosidase production divided 274 clinical isolates into 103 s. angin ... | 1993 | 8295553 |
| [thalamic abscess. a stereotaxically treatable lesion]. | solitary abscesses of the thalamus are an infrequent entity which carry serious problems with regard to treatment. we present a patient with an unknown septic focci who developed a right thalamic abscess due to streptococcus constellatus and was treated by stereotaxic drainage for the suppuration and antibiotics. the patient was clinically and radiologically (cat) controlled up until total cure of the lesion. complications included dissemination of the infection to the meningeal space and a resi ... | 1993 | 8297626 |
| recent taxonomic changes for anaerobic gram-positive and selected gram-negative organisms. | the strains formerly classified as streptococcus anginosus or "streptococcus milleri" have now been recognized as three distinct species, streptococcus anginosus, streptococcus constellatus, and streptococcus intermedius. streptococcus morbillorum has been transferred into the genus gemella. four new species within the genus peptostreptococcus were recently named. a recent addition to the genus clostridium is clostridium argentinense, which includes clostridium botulinum type g. two new species ... | 1993 | 8324113 |
| the isolation and characterization of milleri group streptococci from dental periapical abscesses. | reports of the isolation of streptococci from dental abscesses have shown an association of the "s. milleri" group with such lesions. there has been considerable confusion regarding the taxonomy of these organisms, but the milleri group has recently been reclassified into three distinct species: streptococcus anginosus, streptococcus constellatus, and streptococcus intermedius. in this study, 45 samples from dental periapical abscesses were examined. milleri group streptococci were isolated from ... | 1993 | 8360361 |
| characterization of hemolytic bacteria in subgingival plaque. | three-quarters of the patients with periodontal diseases surveyed in this study had one or more distinct types of hemolytic bacteria in their subgingival plaque. twelve different species of bacteria were identified, belonging to five genera (actinomyces, streptococcus, staphylococcus, prevotella, and actinobacillus). nine hemolytic isolates, consisting of four prevotella denticola strains, two actinomyces naeslundii genospecies 2 strains, and one each of p. melaninogenica, streptococcus constell ... | 1993 | 8496781 |
| hydrolytic enzymes of streptococcus anginosus, streptococcus constellatus and streptococcus intermedius in relation to infection. | a collection of 518 'streptococcus milleri' strains was tested for the presence of hydrolytic enzymes, and the results were related to the clinical significance of the strains. ribonuclease activity was equally distributed among the three species while hyaluronidase activity was linked to streptococcus intermedius and streptococcus constellatus. both enzymes were not significantly associated with infection-related strains. deoxyribonuclease and chondroitin sulfatase activity tended to be present ... | 1995 | 8536735 |
| viridans streptococci isolated from the bloodstream. relevance of species identification. | over a 4-year-period, 104 isolates belonging to the viridans streptococci were recovered from the blood and identified to the species according to beighton and co-workers. streptococcus oralis was the species most frequently recovered from patients in the hematology unit [29 of 39 (74%)]. streptococcus mitis ranked second [seven of 39 (18%)]. both species were associated with oromucositis. isolates presently identified as s. oralis are mainly those previously identified as s. mitis or streptococ ... | 1995 | 8565415 |
| identification of "streptococcus milleri" group isolates to the species level with a commercially available rapid test system. | clinical isolates of the "streptococcus milleri" species group were examined by conventional methods and a rapid, commercially available method for the identification of these strains to the species level. the levels of agreement between the identifications obtained with the commercially available system (fluo-card milleri; key scientific, round rock, tex.) and conventional methods were 98% for 50 streptococcus anginosus strains, 97% for 31 streptococcus constellatus strains, and 88% for 17 isol ... | 1995 | 8567909 |
| cross-reactivity between human sialyl lewis(x) oligosaccharide and common causative oral bacteria of infective endocarditis. | the expression of sialy-lewis(x) (sle(x); neu5ac alpha 2-3 gal beta 1-4) (fuc alpha 1-3) glcnac-r) on oral bacteria producing infective endocarditis was determined by a whole-cell enzyme linked immunosorbent assay and an immunoelectron microscopy using the well-characterized anti-sle(x) monoclonal antibody snh-3 (mab snh-3; igm class). mab snh-3 reacted strongly with whole cells of oral bacteria: streptococcus sanguis, streptococcus mutans, streptococcus mitis, streptococcus salivarius, streptoc ... | 1995 | 8589666 |
| evaluation of the automicrobic system for the identification of streptococcus mutans. | the performance of the automicrobic system with the vitek gram-positive identification card (biomérieux, france) in identifying strains of streptococcus mutans was studied. of 160 strains assayed, 72.5% were confirmed to be streptococcus mutans; the remainder were identified as other species of streptocci (streptococcus bovis, streptococcus uberis, streptococcus anginosus, streptococcus sanguis i and ii, streptococcus intermedius, and streptococcus constellatus). | 1995 | 8681990 |
| in-vitro antimicrobial susceptibility of the "streptococcus milleri' group (streptococcus anginosus, streptococcus constellatus and streptococcus intermedius). | a collection of 423 clinical "streptococcus milleri' strains was speciated and tested for susceptibilities to twelve antibiotics. only 1.4% of the strains were of intermediate susceptibility to penicillin. none of the strains exhibited high-level resistance to gentamicin. strains resistant to erythromycin, roxithromycin and clindamycin were found with a frequency of 2.6%, 2.4% and 2.4% respectively. doxycycline resistance was found in 5.7% of the strains and occurred most frequently in streptoco ... | 1996 | 8707750 |
| the streptococcus milleri group as a cause of pulmonary infections. | streptococci that colonize the mouth and upper respiratory tract tend to be considered harmless commensals. in 45 cases of acute pneumonia and/or pulmonary abscess and 25 cases of thoracic empyema, the predominant species recovered were anaerobic bacteria and the streptococcus milleri group, which encompasses the oral species streptococcus anginosus, streptococcus constellatus, and streptococcus intermedius. the isolation of most s. milleri organisms along with oral anaerobes indicated synergy b ... | 1995 | 8749672 |
| rapid species identification of "streptococcus milleri" strains by line blot hybridization: identification of a distinct 16s rrna population closely related to streptococcus constellatus. | a collection of 399 "streptococcus milleri" strains were identified to the species level by the use of a line blot assay. their pcr-amplified partial 16s rrna gene sequences were hybridized with species-specific 5'-biotinylated oligonucleotide probes homologous to the bp 213 to 231 regions of the 16s rrna gene sequences of the type strains streptococcus anginosus atcc 33397, streptococcus constellatus atcc 27823, and streptococcus intermedius atcc 27335. the hybridization results were compared w ... | 1996 | 8784576 |
| pyomyositis due to eubacterium lentum and streptococcus constellatus from a periodontal source. | | 1996 | 8824994 |
| recurrent vertebral osteomyelitis and psoas abscess caused by streptococcus constellatus and fusobacterium nucleatum in a patient with atrial septal defect and an occult dental infection. | we describe a case in which recurrent vertebral osteomyelitis and psoas abscess due to streptococcus constellatus and fusobacterium nucleatum developed in a patient with a previously unrecognized atrial septal defect with bidirectional shunts. disease recurrence was ascribed to the presence of dental disease, which served as the source of infection. to the best of our knowledge, this is the first case in which vertebral osteomyelitis and psoas abscess have been associated with atrial septal defe ... | 1996 | 8863368 |
| streptococcus constellatus endocarditis presenting as acute embolic stroke. | | 1997 | 9195104 |
| [streptococcus constellatus cerebral abscess in a patient with hiv infection]. | | 1997 | 9255244 |
| [bacteremias due to the streptococcus milleri group. an analysis of 18 episodes]. | to study the epidemiological and clinical characteristics of bacteremia caused by streptococcus milleri group streptococci (smg). | 1997 | 9304128 |
| experimental endocarditis induction and platelet aggregation by streptococcus anginosus, streptococcus constellatus and streptococcus intermedius. | a total of 18 'streptococcus milleri' strains including the atcc type strains of streptococcus anginosus, streptococcus constellatus and streptococcus intermedius were compared with streptococcus oralis atcc10557 for their ability to induce infective endocarditis in catheterized rats. three days after intravenous injection of 10(8) colony-forming units all 8 s. anginosus strains tested produced infective vegetations and bacteremia in almost all rats whereas 5 s. constellatus strains and the s. o ... | 1997 | 9322066 |
| empyema thoracis and lung abscess caused by viridans streptococci. | we retrospectively studied the bacteriology and clinical features of empyema thoracis and lung abscess caused by viridans streptococci in 72 patients seen from january 1984 to september 1996. a total of 76 strains of viridans streptococci were isolated, of which the most common isolates were streptococcus constellatus (21 strains), s. intermedius (17), and s. sanguis (10). species belonging to the s. milleri group accounted for the majority (68%) of isolates. in 38 (53%) patients these organisms ... | 1997 | 9372668 |
| [massive empyema caused by streptococcus constellatus]. | | 1997 | 9453766 |
| microbial complexes in subgingival plaque. | it has been recognized for some time that bacterial species exist in complexes in subgingival plaque. the purpose of the present investigation was to attempt to define such communities using data from large numbers of plaque samples and different clustering and ordination techniques. subgingival plaque samples were taken from the mesial aspect of each tooth in 185 subjects (mean age 51 +/- 16 years) with (n = 160) or without (n = 25) periodontitis. the presence and levels of 40 subgingival taxa ... | 1998 | 9495612 |
| clinical and microbiological features of refractory periodontitis subjects. | the purpose of this investigation was to compare the clinical parameters and the site prevalence and levels of 40 subgingival species in successfully treated and refractory periodontitis subjects. 94 subjects received scaling and root planing and if needed, periodontal surgery and systemically administered tetracycline. 28 refractory subjects showed mean full mouth attachment loss and/or > 3 sites showing attachment loss > 2.5 mm within 1 year post-therapy. 66 successfully treated subjects showe ... | 1998 | 9495617 |
| in vitro adherence of streptococcus constellatus to dense hydroxyapatite and titanium. | bacterial adherence to dense hydroxyapatite (ha) and titanium (ti) rods was examined in vitro using streptococcus constellatus atcc27832. streptoccus constellatus is associated with dental abscess and was isolated from the peri-implantitis. the dense ha was etched with 5% hydrofluoric acid for 0, 10, 20, 30, 40, and 50 s adherence to the untreated dense ha was twice as high as the adherence to the ti. the adherence to saliva-treated ti was 13% higher than that to untreated ti. the adherence was ... | 1998 | 9576596 |
| serum antibodies reacting with subgingival species in refractory periodontitis subjects. | the purpose of this investigation was to compare the levels of serum igg antibody to 85 subgingival species in 32 refractory periodontitis, 56 successfully treated, and 33 periodontally healthy subjects. refractory subjects showed mean full mouth attachment loss and/or >3 sites showing attachment loss >2.5 mm within 1 year after 2 treatment modalities, scaling and root planing and surgery plus systemically administered tetracycline. successfully-treated subjects showed mean attachment level gain ... | 1998 | 9696261 |
| clinical significance of bacteremia involving the "streptococcus milleri" group: 51 cases and review. | fifty-one cases of bacteremia due to the "streptococcus milleri" group were analyzed. among these were 40 patients with underlying diseases, and associated local infections were present in 27 patients. the most frequent sites of infection were the thoracic cavity and the digestive and hepatobiliary tracts. a probable portal of entry related to mucosal-barrier trauma was identified for an additional 16 patients. the origin of bacteremia was unknown for the remaining eight patients. abscess format ... | 1998 | 9709892 |
| acute meningitis caused by streptococcus constellatus. | | 1998 | 9733395 |
| tricuspid valve endocarditis due to a moderately susceptible streptococcus constellatus: persistent bacteremia and fatal outcome despite penicillin plus gentamicin therapy. | an intravenous drug-user developed tricuspid valve endocarditis caused by a moderately susceptible strain of streptococcus constellatus. bacteremia and fever persisted despite penicillin and gentamicin therapy. eventually, he developed massive hemoptysis and expired. we believe that the propensity of this group of organisms for suppurative complications and the suboptimal antibiotic susceptibility may have contributed to the failure of medical therapy and the fatal outcome. similar cases may ben ... | 1998 | 9817527 |
| nonclostridial gas gangrene due to streptococcus anginosus in a diabetic patient. | streptococcus anginosus was recently identified as a distinct species from the other members of streptococcus milleri group (streptococcus constellatus, streptococcus intermedius). we report a rare case of nonclostridial gas gangrene caused by s. anginosus. a 62-year-old diabetic woman was admitted with gas gangrene of the perineal area. she had been taking her oral hypoglycemia medication regularly for 10 years, but the diabetes was inadequately controlled. she was treated with surgical debride ... | 1999 | 10025866 |
| effect of low-molecular-weight chitosans on the adhesive properties of oral streptococci. | it was previously shown that a low-molecular-weight chitosan and its derivatives n-carboxymethyl chitosan and imidazolyl chitosan inhibit streptococcus mutans adsorption to hydroxyapatite. the ability of the same molecules to interfere with adhesive properties of other oral streptococci (streptococcus sanguis, streptococcus gordonii, streptococcus constellatus, streptococcus anginosus, streptococcus intermedius, streptococcus oralis, streptococcus salivarius, streptococcus vestibularis) was test ... | 1998 | 10093536 |
| abscess forming ability of streptococcus milleri group: synergistic effect with fusobacterium nucleatum. | the abscess forming abilities of "streptococcus milleri" strains (streptococcus constellatus, streptococcus anginiosus, and streptococcus intermedius) isolated from dentoalveolar abscesses and the synergistic effect of fusobacterium nucleatum co-inoculated with the isolates were examined on a mouse subcutaneous abscess model. five days after inoculation, all s. milleri strains formed abscesses, which showed less pathological spread to surrounding connective tissues than those formed by staphyloc ... | 1999 | 10338189 |
| bacterial vaginosis-associated microflora isolated from the female genital tract activates hiv-1 expression. | alteration of cervicovaginal microbial flora can lead to vaginosis, which is associated with an increased risk of hiv-1 transmission. we recently characterized a soluble hiv-inducing factor (hif) from the cervicovaginal lavage (cvl) samples of women. the goals of this study were to determine the effect of cervicovaginal microflora on hiv-1 expression and to elucidate the relationship between hif activity and microflora. physiologically relevant microorganisms, mycoplasma, diphtheroid-like bacter ... | 1999 | 10421242 |
| five-year analysis of antimicrobial susceptibility of the streptococcus milleri group. | susceptibility to 17 antibiotics was studied in 180 strains of the streptococcus milleri group (88 streptococcus anginosus, 63 streptococcus constellatus, and 29 streptococcus intermedius) isolated over a 5-year period. minimum inhibitory concentrations of penicillin were in the intermediate range for 5.6% of the strains. resistance to erythromycin and clindamycin was found in 17.1% and 16.6% of the isolates, respectively. a steady increase in the susceptibility to ciprofloxacin was observed ove ... | 1999 | 10442424 |
| a study of small-colony, beta-haemolytic, lancefield group c streptococci within the anginosus group: description of streptococcus constellatus subsp. pharyngis subsp. nov., associated with the human throat and pharyngitis. | beta-haemolytic, lancefield group c streptococci within the anginosus-species group were shown by genetic and phenotypic criteria to be heterogeneous and to constitute two distinct taxa related at subspecies level to streptococcus constellatus and streptococcus anginosus, respectively. the first group, referred to here as dna group 1, comprised six strains with 86-100% intragroup overall genomic dna relatedness; five of the strains were originally isolated from the human throat and one was from ... | 1999 | 10555325 |
| identification of clinically relevant viridans streptococci by analysis of transfer dna intergenic spacer length polymorphism. | the utility of pcr analysis of transfer dna intergenic spacer length polymorphism (tdna-ilp) for the identification to the species level of clinically relevant viridans streptococci was evaluated with a collection of reference strains of 15 species of the salivarius, anginosus, mitis and mutans rrna homology groups. pcr products generated by using fluorescent, outwardly directed, consensus tdna primers were analysed by electrophoresis on denaturating polyacrylamide gels and by laser fluorescence ... | 1999 | 10555340 |
| systemic doxycycline administration in the treatment of periodontal infections (ii). effect on antibiotic resistance of subgingival species. | the purpose of this investigation was to determine the proportion and prevalence of doxycycline resistant species in subgingival plaque samples taken during and after doxycycline administration. 20 subjects with adult periodontitis were randomly assigned to test (n = 10) or control groups (n = 10). saliva samples as well as subgingival plaque samples taken from the distal surface of 6 posterior teeth were collected at baseline. all subjects received full mouth srp and the test group systemic dox ... | 1999 | 10599905 |
| [spontaneous bacterial peritonitis with streptococcus constellatus in an hiv positive patient]. | liver diseases are an important cause of high morbidity and mortality in hiv-infected patients, and liver cirrhosis is the commonest cause of ascites in this population. we describe the case of a 38-year-old hiv-positive male (cdc stage b3, cd4 cell count 199/mm3) with a history of hepatitis c-associated liver cirrhosis. following pneumonia he developed spontaneous bacterial peritonitis due to streptococcus constellatus. clinically noticeable was the gradually worsening course with few symptoms, ... | 2000 | 10683883 |
| comparison of three methods for identification of streptococcus milleri group isolates to species level. | a collection of 180 clinical isolates of streptococcus milleri group were identified to species level using two phenotypic methods (a commercial system and the reference method based on differential phenotypic reactions) and a genotypic method (hybridisation of the 16s rrna gene with species-specific probes) in order to evaluate the performance of the respective methods. a high level of agreement (80%) was observed between the results of the reference method and the genotypic method. the highest ... | 2000 | 10746501 |
| dna-dna reassociation studies of streptococcus constellatus with unusual 16s rrna sequences. | dna-dna reassociation studies were performed on previously described 'ci strains', which form an unusual 16s rrna population within the 'anginosus' group of streptococcus. the ci strains displayed reassociation values of >70% with the streptococcus constellatus ncdo 2226t strain, with tm values <1 degrees c, indicating phylogenetic species identity. | 2000 | 10826810 |
| characterization of bacterial orofacial infections using a new murine model. | we devised a new murine orofacial infection model using bacteria from odontogenic infection origins and characterized the experimental infections. in this model, bacteria were injected into the submandible of mice. streptococcus constellatus and peptostreptococcus micros produced a single abscess at the injection site and their abscess-forming and lethal abilities were low: the median abscess-forming dose (af(50)) of s. constellatus and p. micros were 10(8.5-10.7)and 10(10.2-10.6)cfu/mouse, and ... | 2000 | 10906266 |
| isolation of eikenella corrodens from polymicrobial hepatic abscess: report of one case. | eikenella corrodens is a rare cause of hepatic abscess. we report a case of a hepatic abscess caused by (1) bacteroides fragilis, (2) streptococcus constellatus and (3) e. corrodens, which illustrates potential problems of antibiotic coverage due to the presence of eikenella species. the infection followed an episode of acute gastroenteritis and the clinical course appeared indolent evolving over one week. besides empirical antibiotics, initial percutaneous aspiration was performed and yielded p ... | 1999 | 10910588 |
| microbiological parameters associated with il-1 gene polymorphisms in periodontitis patients. | polymorphisms in the cluster of il-1 genes have been significantly associated with the severity of adult periodontitis. the purpose of this study was to compare microbiological parameters in il-1 genotype negative and positive adult subjects with a range of periodontitis severities. | 2000 | 11073323 |
| the virulence of mixed infection with streptococcus constellatus and fusobacterium nucleatum in a murine orofacial infection model. | orofacial infections are usually polymicrobial, and it is the microbial interactions of pathogenic species that cause tissue destruction. in this study, the microbial interaction between streptococcus constellatus and fusobacterium nucleatum was characterized using a murine orofacial infection model. a mixture of viable s. constellatus and f. nucleatum cells (both 2 x 10(8) cfu/mouse) was injected into the submandible; as a result, all of the test mice died. in contrast, none of the experimental ... | 2000 | 11099928 |
| profile of subgingival microbiota in children with mixed dentition. | a diversity of microbial species has been detected in children's oral flora at an early age. to investigate the composition of the subgingival microbiota of different groups of teeth in children with mixed dentition, 40 systemically healthy children, aged 7-8 years, randomly chosen, were examined. subgingival plaque samples were taken from the mesiobuccal sites of 21, 41, 16 and 36 permanent teeth and 53, 73, 64 and 84 deciduous teeth. the samples were cultured for bacterial isolation anaerobica ... | 2000 | 11155173 |
| assessment of periradicular microbiota by dna-dna hybridization. | in the present study the "checkerboard" dna-dna hybridization technique was used to identify bacteria in periapical endodontic lesions of asymptomatic teeth. thirty-four patients with root-filled teeth and apical periodontitis were divided into two groups, each containing 17 patients. in group 1, a marginal incision was performed during surgery to expose the lesion, and in group 2, a submarginal incision was applied. the gingiva and mucosa were swabbed with an 0.2% chlorhexidine gluconate soluti ... | 2000 | 11202881 |
| [clinical and bacteriological significance of the streptococcus milleri group in deep neck abscesses]. | streptococcus constellatus, s. intermedius, and s. anginosus, the three species of the s. milleri group, form part of the normal flora most commonly found in the mouth, throat, gastrointenstinal tract, and genital tract. the s. milleri group has become known as an important pathogen in abscess disease, but little attention has been paid to their role in deep neck abscesses. we have treated 9 patients with deep neck abscesses relating to the s. milleri group since 1991, and regarded this group as ... | 2001 | 11257779 |
| streptococcus salivarius fimbriae are composed of a glycoprotein containing a repeated motif assembled into a filamentous nondissociable structure. | streptococcus salivarius, a gram-positive bacterium found in the human oral cavity, expresses flexible peritrichous fimbriae. in this paper, we report purification and partial characterization of s. salivarius fimbriae. fimbriae were extracted by shearing the cell surface of hyperfimbriated mutant a37 (a spontaneous mutant of s. salivarius atcc 25975) with glass beads. preliminary experiments showed that s. salivarius fimbriae did not dissociate when they were incubated at 100 degrees c in the p ... | 2001 | 11292790 |
| antibiotic susceptibilities of genetically characterized streptococcus milleri group strains. | previous studies of the antibiotic susceptibility of streptococcus milleri group organisms have distinguished among species by using phenotypic techniques. using 44 isolates that were speciated by 16s rrna gene sequencing, we studied the mics and minimum bactericidal concentrations of penicillin, ampicillin, ceftriaxone, and clindamycin for streptococcus intermedius, streptococcus constellatus, and streptococcus anginosus. none of the organisms was resistant to beta-lactam antibiotics, although ... | 2001 | 11302819 |
| streptococcus intermedius, streptococcus constellatus, and streptococcus anginosus ("streptococcus milleri group") are of different clinical importance and are not equally associated with abscess. | difficulties in distinguishing organisms of the "streptococcus milleri group" (smg; streptococcus intermedius, streptococcus constellatus, and streptococcus anginosus), have caused ambiguity in determining their pathogenic potential. we reviewed 118 cases in which smg isolates had been identified using 16s rdna sequence. s. constellatus and s. anginosus were isolated far more frequently than was s. intermedius. nearly all isolates of s. intermedius and most isolates of s. constellatus, but only ... | 2001 | 11317256 |
| [dentogenic infection due to streptococcus constellatus in a child]. | an 8-year-old boy was admitted with a pain-full swelling at the right mandible and symptoms of septicemia. the illness was caused by a dental infection due to streptococcus constellatus proved by isolation from blood culture, the origin was a decayed tooth. treatment comprised suitable antibiotics, extraction of the tooth and local irrigations with chlorhexidine solution. general condition improved rapidly, the local situation rather slowly, however. | 2001 | 11582531 |
| microbiological evaluation of acute periradicular abscesses by dna-dna hybridization. | the purpose of the present investigation was to examine the microbiota of acute periradicular abscesses of endodontic origin by using a molecular genetic method. | 2001 | 11598583 |
| [clinical significance of the streptococcus milleri group in peritonsillar abscesses]. | few researchers have microbiologically studied peritonsillar abscesses in detail, and their results have been conflicting. although streptococcus pyogenes (group a beta-streptococcus) is commonly considered an important pathogen in this infection, recent studies have demonstrated the recovery of many other streptococci mainly consisting of alpha-streptococci. few studies have identified these streptococci at the species level, however. we studied details of bacteriology in 31 cases of peritonsil ... | 2001 | 11605227 |
| efficacy of manual and powered toothbrushes (ii). effect on microbiological parameters. | the purpose of the present investigation was to determine the effect of self-performed supragingival plaque removal using either manual (crest complete) or power (braun 3d plaque remover) toothbrushing on supra and subgingival plaque composition. | 2001 | 11686813 |
| interaction between human polymorphonuclear leukocytes and streptococcus milleri group bacteria. | because streptococcus milleri group (smg) bacteria--streptococcus constellatus, streptococcus intermedius, and streptococcus anginosus--exhibit a striking propensity to cause abscesses, the interaction of these organisms with human polymorphonuclear leukocytes (pmnl) was examined. after incubation in pooled normal human serum, smg stimulated less chemotaxis than did staphylococcus aureus, in contrast to viridans streptococci, which caused greater chemotaxis than did s. aureus. pmnl ingested grea ... | 2002 | 11756985 |
| [acute subdural abscess due to mixed infection of eikenella corrodens and streptococcus constellatus]. | eikenella corrodens is a gram-negative, facultative anaerobic rod that frequently exists as part of normal human flora in the upper respiratory tract and gastrointestinal tract. recently, e. corrodens is reported as a rare causative agent of empyematic lesion. we report a case of 10-year-old girl with acute subdural abscess. she developed a high grade fever, swelling of the left periorbital area, right sided partial seizure and hemiplegia. brain ct and mri showed left parietal subdural abscess. ... | 2001 | 11766381 |
| streptococci species of anginosus group isolated from oral and maxillofacial infections. | the aim of the study was to isolate and identify at species level streptococci strains of anginosus group in pus samples collected from 110 patients with oral and maxillofacial (omf) infections. gram-stained smears and cultures on selective and nonselective media were done from each of the 111 pus samples (2 samples were collected from one of the patients, who presented 2 oral abscesses at the same time). the isolates were identified on the basis of cultural and biochemical characteristics. spec ... | 1999 | 11845444 |
| [disseminated infection due to streptococcus constellatus in an hiv patient with negative viral load]. | | 2001 | 11852510 |
| [clinical relevance of the streptococcus milleri group in head and neck infections]. | streptococcus constellatus, s. intermedius, and s. anginosus, the 3 species of the s. milleri group, form part of the normal flora commonly found in the mouth, throat, and gastrointestinal and genital tracts. this group has become known as an important pathogen in infections and abscesses, but data on the anatomical distribution of these species is lacking in relation to clinical significance. we obtained 275 strains of the s. milleri group from different departments at our hospital over the las ... | 2002 | 11857984 |
| streptococcus sinensis sp. nov., a novel species isolated from a patient with infective endocarditis. | a bacterium was isolated from the blood culture of a patient with infective endocarditis. the cells were facultative anaerobic, nonsporulating, gram-positive cocci arranged in chains. the bacterium grows on sheep blood agar as alpha-hemolytic, gray colonies of 0.5 to 1 mm in diameter after 24 h of incubation at 37 degrees c in ambient air. growth also occurs in 10 or 40% bile and on bile esculin agar but not in 6% nacl. no enhancement of growth is observed in 5% co(2). it is nongroupable with la ... | 2002 | 11880397 |
| infected papillary fibroelastoma attached to the atrial septum. | a 61-year-old woman had intermittent fever of 2 months' duration following a dental extraction. on admission, her body temperature was 39.2 degrees c. a mid-systolic murmur was heard at the apex on ausculation. a 2-dimensional echocardiogram revealed a mobile, heavy stick-like mass with vegetation (5.0 x 1.5 cm) attached to the left atrial septum. multiple blood cultures grew streptococcus constellatus. on diagnosis of an infected left atrial myxoma, antibiotics were administered daily and 4 wee ... | 2002 | 11922284 |
| bacteriology and antimicrobial susceptibility of gram-positive cocci isolated from pus specimens of orofacial odontogenic infections. | we recently reported the beta-lactamase production and antimicrobial susceptibility of anaerobic gram-negative rods isolated from pus specimens of 93 orofacial odontogenic infections. in this report, we determine the bacteriology and antimicrobial susceptibility of bacteria other than anaerobic gram-negative rods, mainly gram-positive cocci, isolated from the same specimens. streptococcus constellatus and peptostreptococcus micros were frequent isolates from all types of infection examined. pept ... | 2002 | 11929563 |
| a case of multiple brain abscesses due to streptococcus constellatus. | | 2002 | 11939402 |
| identification of viridans streptococcal species causing bacterial meningitis in adults in taiwan. | in order to determine the species responsible for viridans-group streptococcal meningitis in adults in taiwan, seven cases of culture-proven meningitis due to these organisms were studied. the cases were all identified at the chang gung memorial hospital-kaohsiung over a period of 3 years, and they accounted for 9% (7/78) of all cases of culture-proven bacterial meningitis occurring in adults during this period. of the seven viridans streptococci isolates recovered, streptococcus constellatus ac ... | 2002 | 12072926 |
| groesl sequence determination, phylogenetic analysis, and species differentiation for viridans group streptococci. | the full-length sequences of the groesl genes (also known as cpn10/60) of streptococcus anginosus, streptococcus constellatus, streptococcus gordonii, and streptococcus sanguis and the near full-length sequence of the groesl genes of streptococcus intermedius, streptococcus bovis, streptococcus mitis, streptococcus mutans, streptococcus oralis, and streptococcus salivarius were determined. the lengths of the groes genes from the 10 species listed above ranged from 282 to 288 bp, and the full-len ... | 2002 | 12202549 |
| unusual bladder masses in children. | benign and malignant bladder masses in children are extremely rare pathologic lesions. the presentation can include gross hematuria, irritable or obstructive voiding symptoms, and urinary infection. we present 2 cases in which large bladder masses suspicious for malignancy were diagnosed as benign lesions. one patient presented with abdominal pain and frequency 2 weeks after a minor bicycle accident and had a bladder wall abscess with sterile urine. another child presented with gross hematuria a ... | 2002 | 12429331 |
| [a case of spinal epidural abscess associated with retropharyngeal abscess]. | spinal epidural abscesses are known to occur associated with retropharyngeal abscess, but such cases are few in the literature. we treated a 72-year-old woman who reported pain in the back of the neck. computed tomography (ct) showed a retropharyngeal abscess extending to the upper neck through the carotid space on the left side and an magnetic resonance imaging (mri) showed a spinal epidural abscess without cervical vertebral osteomyelitis. the abscess was assumed to reach the epidural space al ... | 2002 | 12491595 |
| cloning and expression of hyaluronate lyase genes of streptococcus intermedius and streptococcus constellatus subsp. constellatus(1). | hyaluronate lyase (haase) genes of streptococcus intermedius and streptococcus constellatus subsp. constellatus were isolated. in s. constellatus subsp. constellatus, the deduced amino acid sequence of haase was most similar to that of s. intermedius (68%), whereas the enzyme of s. intermedius was most similar to that of s. pneumoniae (72%). upstream of the haase gene on the opposite strands, an open reading frame of a putative glutathione peroxidase started in s. intermedius, and this arrangeme ... | 2003 | 12594036 |
| multibacterial sepsis in an alcohol abuser with hepatic cirrhosis. | an alcohol abuser with hepatitis c developed multibacterial sepsis. his mean 100% alcohol intake reached 400 ml/day. in january 2001, he suddenly experienced fever (39 degrees c) with no other symptoms. one week later, he was admitted to our hospital and was subsequently diagnosed with sepsis associated with four species of bacteria (streptococcus constellatus, fusobacterium mortiferum, bacteroides thetaiotaomicron, and non-spore-forming anaerobic gram-positive bacillus). a drip infusion of imip ... | 2003 | 12636245 |
| genotyping by amplified fragment length polymorphism analysis reveals persistence and recurrence of infection with streptococcus anginosus group organisms. | streptococcus anginosus, streptococcus constellatus, and streptococcus intermedius, commonly referred to as the streptococcus anginosus group (sag), are commensal organisms known for their propensity to cause purulent infections which are difficult to eradicate. in this study, we determined the genetic similarities between sag isolates consecutively recovered from single patients to assess the duration of infection or colonization. a total of 97 sag isolates recovered from 30 patients were inclu ... | 2003 | 12843013 |