| enumeration of oral streptococci on media containing different concentrations of sodium and potassium ions. | laboratory "type" strains of oral streptococci were screened for their ability to grow on mitis-salivarius agar (msa) in the presence of increasing concentrations of either na+ or k+ up to 500 mmol/l. strains were generally better able to withstand increasing concentrations of na+ than k+, although low numbers of colony-forming units (cfus) were seen with the highest concentration of either cation. two strains of streptococcus mutans, ingbritt 162 and ingbritt 175, behaved differently when the c ... | 1991 | 1939833 |
| [meningitis caused by streptococcus acidominimus]. | | 1990 | 2090222 |
| isolation of gardnerella vaginalis from the reproductive tract of four mares. | a gram-variable pleomorphic bacillus was isolated from the reproductive tracts of 4 mares during routine prebreeding soundness examinations. using a commercial bacterial identification system, these organisms were identified as streptococcus acidominimus. however, colonial and gram-staining characteristics did not support this identification. subsequent testing indicated the organism was similar to gardnerella vaginalis. additional growth and biochemical analysis performed in our laboratory and ... | 1990 | 2094442 |
| isolation of acid producing sorbitol-adapted bacteria from dental plaque using selective agar media. | acidogenic bacteria metabolizing sorbitol were isolated and identified from dental plaque of twenty nine volunteers, claiming to be users (sixteen) and non-users (thirteen) of sorbitol-containing chewing gum and candy. sixty bacterial strains were isolated, using improved selective agar media. the taxonomy of twenty strains, all gram-positive cocci, was determined employing a customized bbl minitekr system and other biochemical reactions. the majority of these strains represented streptococcus s ... | 1990 | 2314301 |
| 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 |
| streptococcus acidominimus infections in a human. | we described the first case of pneumonia, pericarditis and meningitis due to streptococcus acidominimus, who had no underlying disease. the organism is very rarely obtained in clinical bacteriology. the identifying characteristics of this isolate were discussed. there are no reports in which this organism caused such complicated human infection as this case in the english literature. | 1988 | 3193662 |
| in vivo binding of the salivary glycoprotein ep-gp (identical to gcdfp-15) to oral and non-oral bacteria detection and identification of ep-gp binding species. | extra parotid glycoprotein (ep-gp) is a glycoprotein isolated from human saliva, having homologues in several other body fluids. the biological role of ep-gp and its homologues is unknown. recently, ep-gp was shown to bind in vitro to the bacterium streptococcus salivarius hb. in contrast, no binding to a number of other oral microorganisms could be demonstrated. in the present study we have determined whether binding of ep-gp to bacteria occurs in vivo in saliva and in other ep-gp containing bo ... | 1997 | 9088536 |
| streptococcus acidominimus in a case of bovine fibrinopurulent metritis. | | 1998 | 9635174 |
| [serological investigation on yang xiao-xia's "mysterious disease"]. | the famous "mysterious disease" of yang xiao-xia, a girl from shangdong province, was diagnosed as multi-bacterial synergistic gangrene based on bacteriological, serological and antibiotics sensitivity findings. in order to uncover the initial pathogenic bacteria and to investigate their relationship with environment, a total number of 18 serum samples were collected from volunteers living around patient's home and from patient's relatives. serological study on 4 bacterial strains isolated from ... | 1997 | 9812476 |
| streptococcus pluranimalium sp. nov., from cattle and other animals. | strains from subclinical mastitis, from the genital tract and tonsils of cattle, from tonsils of a goat and a cat and from the crop and the respiratory tract of canaries were found to constitute a new streptococcal species, for which the name streptococcus pluranimalium sp. nov. is proposed. sequencing of 16s rrna showed that streptococcus thoraltensis and streptococcus hyovaginalis were its closest known phylogenetic relatives. the new species showed some phenotypic resemblance to the poorly de ... | 1999 | 10425783 |
| streptococcus entericus sp. nov., isolated from cattle intestine. | biochemical, molecular chemical and molecular genetic studies were performed on an unknown gram-positive, catalase-negative, coccus-shaped organism isolated from the intestine of a cow affected with catarrhal enteritis. the organism was tentatively identified as a streptococcal species based on results of cellular morphological and biochemical tests. 16s rrna gene sequencing studies confirmed its provisional identification as a member of the genus streptococcus, but the organism did not correspo ... | 2002 | 11931181 |
| streptococcus gallinaceus sp. nov., from chickens. | three isolates of an unknown gram-positive, catalase-negative, chain-forming, coccus-shaped organism isolated from an outbreak of septicaemia in a flock of adult broiler parents were characterized by phenotypic and molecular taxonomic methods. comparative 16s rrna gene sequencing studies demonstrated that the bacterium represents a new subline within the genus streptococcus, related to, albeit distinct from, streptococcus acidominimus, streptococcus ovis, streptococcus suis and close relatives. ... | 2002 | 12148622 |
| endocarditis due to streptococcus acidominimus. | it has been reported in recent years that the causative microorganisms, affected population, and clinical presentation of infective endocarditis have changed. we report on a 15-year-old boy with ventricular septal defect who was diagnosed with streptococcus acidominimus endocarditis. | 2003 | 12399903 |
| streptococcus acidominimus infection in a child causing gradenigo syndrome. | gradenigo syndrome is a rare presentation of acute petrositis. the clinical triad of gradenigo syndrome consists of acute suppurative otitis media, severe unilateral headache and abducens nerve palsy. we report the first case of gradenigo syndrome caused by streptococcus acidominimus, a gram-positive coccus of the streptococcus viridans group, which rarely causes deep-seated infection in humans. conclusion: gradenigo syndrome may complicate acute otitis media and should be suspected in case of u ... | 2003 | 12791460 |
| [massive ascites due to streptococcus acidominimus: report of one case]. | | 2004 | 15190872 |
| [crossed central neuropathic pain syndrome after bacterial meningoencephalitis]. | we report on a 48 year old female patient who acquired a bacterial meningoencephalitis as a result of a cervical myelography. examination of the cerebrospinal fluid (csf) revealed 309 cells per microliter and streptococcus acidominimus was isolated as the infectious agent. cranial mri demonstrated disseminated lesions predominantly in the pontine and medullary brain stem as well as in thalamic nuclei. the patient developed a crossed central neuropathic pain syndrome. neurological examination sho ... | 2005 | 15712006 |
| gross abnormalities, bacteriology and histological lesions of uteri of dairy cows failing to conceive or maintain pregnancy. | to describe the gross pathology, bacteriology and histopathology of the reproductive tracts of dairy cows that failed to conceive or maintain pregnancy. | 2005 | 16044186 |
| streptococcus suis meningitis with ventriculoperitoneal shunt infection and spondylodiscitis. | streptococcus suis is a zoonotic pathogen which causes meningitis, bacteremia, and endocarditis in pigs. human infection is rare and often presents as meningitis with the sequela of permanent deafness and endocarditis. previous cases were reported from pig-rearing countries such as holland and hong kong. we report a 55-year-old bedridden man with s. suis meningitis complicated with ventriculoperitoneal shunt infection and lumbar spine spondylodiscitis. he presented with fever, delirium, neck sti ... | 2005 | 16607454 |
| brain abscess due to streptococcus acidominimus: first case report. | streptococcus acidominimus resembles streptococcus viridans, but they can now be differentiated by phenotypic studies. only a single previous case of pneumonia, pericarditis, and meningitis has been reported. | 2007 | 17320642 |
| corynebacterial necrohemorrhagic cystitis in two female macaques. | we describe severe necrohemorrhagic cystitis in a female rhesus macaque and a female cynomolgus macaque due to colonization of the urinary bladder by corynebacterium sp. clinically, both macaques presented with perineal bleeding and depression and, despite extensive and prolonged treatment, succumbed to the disease. at necropsy, the contents of the urinary bladders in both cases were hemorrhagic to greenish black, and the bladder mucosa was necrotic. the major microscopic finding in each case wa ... | 2007 | 17994677 |
| streptococcus acidominimus isolated from a multiloculated empyema in a critically ill adult man with pneumonia: case report and review of literature. | we describe a 55-year-old man with a medical history of hypertension and schizophrenia who presented to the medical intensive care with delirium and respiratory failure requiring intubation. chest radiography showed a complete opacification of the right hemithorax. subsequent chest computed tomography with contrast confirmed a multiloculated right pleural effusion, compressive atelectasis, and mediastinal shift to the left. this patient required multiple tube thoracostomies and a video-assisted ... | 2008 | 18620107 |
| [protease activity of microflora in the oral cavity of patients with periodontitis]. | microbial spectrum and non-specific as well as specific iga1 protease activity of isolated microorganisms were investigated in gingival liquid of patients with periodontitis. microorganisms from the gingival liqud of these patients belonged to conditional-pathogenic obligate and facultatively anaerobic bacteria. 24 strains of microorganisms have been identified. nonspecific proteolytic activity was found in the following microorganisms: actinomyces israelii, actinomyces naeslundii, aerococcus vi ... | 2008 | 19205430 |
| phenotypic characterisation and 16s rrna sequence analysis of veterinary isolates of streptococcus pluranimalium. | forty-two isolates of streptococcus pluranimalium were identified from cattle (n=38), sheep (n=2), an alpaca (n=1) and a pheasant (n=1) in the united kingdom. the isolates were confirmed as s.pluranimalium by 16s rrna sequence analysis but could not be differentiated reliably from streptococcus acidominimus by phenotypic characterisation using commercial kits routinely used in veterinary laboratories. the alanyl-phenylalanyl-proline arylamidase reaction could be used to differentiate s. pluranim ... | 2011 | 21703886 |
| [a case of infective aerococcus urinae endocarditis successfully treated by aortic valve replacement]. | aerococcus urinae is a endocarditis rare causative organism with low virulene. we report an a. urinae endocarditis case treated by aortic valve replacement. an 80-year-old woman hospitalized for urinary tract infection and hydronephrosis due to three-week renal calculi. blood culture on admission isolated streptococcus acidominimus. during the course, she was transferred to our care for surgical intervention after developing congestive heart failure due to severe aortic regurgitation. echocardio ... | 2011 | 22250461 |
| influence of orthodontic treatment on oral streptococci. | objective of this study is to evaluate the changes of the oral microbial flora, concentrating on the oral streptococci, after the first 3 and 6 months of orthodontic treatment. | 2011 | 22570923 |
| the assessment of oral microflora exposed to 3% ethanolic extract of brazilian green propolis preparation used for hygiene maintenance following minor oral surgeries. | the aim of this study was to investigate the influence of a topically administered hygienic preparation containing a 3% ethanolic extract of brazilian green propolis (eep-b) on oral microflora spectrum changes in a group of patients who underwent common oral surgery procedures. two gel samples were compared: the tested gel containing an active ingredient, that is, a 3% eep-b (gel ga), and a placebo as the negative control (gel gc). the collection of microbiological material included 14 patients ... | 2015 | 26380300 |
| the diagnosis and prevalence of subclinical endometritis in cows evaluated by different cytologic thresholds. | the aims of our study were to determine (1) how the prevalence of cytologically determined subclinical endometritis varies when using three different cytological threshold ratios to categorize cows as either with or without endometritis, (2) how the number of animals categorized as having endometritis changes from the fourth to the sixth wk postpartum when using each threshold, (3) how subclinical endometritis influences the number of days open, and (4) how the results of cytological and bacteri ... | 2012 | 23110950 |
| streptococcus suis infection in taiwan, 2000-2011. | from 2000 to 2011, 8 patients with streptococcus suis infections were identified in taiwan. six isolates were initially misidentified as streptococcus acidominimus using commercial identification systems and later confirmed to be s. suis using 16s rrna gene sequencing analysis. among the 7 isolates available for further analysis, all belonged to biotype ii. three serotype i isolates possessed the same genotypes, indicating the possible clonal spread of s. suis. all of these patients survived. s. ... | 2012 | 22705228 |
| streptococcus cuniculi sp. nov., isolated from the respiratory tract of wild rabbits. | biochemical and molecular genetic studies were performed on four unknown gram-stain-positive, catalase-negative, coccus-shaped organisms isolated from tonsils (n = 3) and nasal samples (n = 1) of four wild rabbits. the micro-organism was identified as a streptococcal species based on its cellular morphological and biochemical tests. comparative 16s rrna gene sequencing confirmed its identification as a member of the genus streptococcus, but the organism did not correspond to any recognized speci ... | 2014 | 24801153 |
| unusual cause of infective endocarditis in an elderly patient with a rare condition. | a 77-year-old woman presented to the emergency department with a 1-week history of anorexia, fatigue, general malaise and a 3-day history of fever. clinical examination revealed livedo reticularis across the anterior aspect of her knees and a pansystolic murmur. laboratory evaluation found neutrophil leucocytosis; elevated c reactive protein and blood cultures grew streptococcus acidominimus. transthoracic echocardiography displayed vegetation on the mitral valve and a left atrial myxoma. she wa ... | 2015 | 25820110 |
| streptococcus acidominimus causing invasive disease in humans: a case series. | streptococcus acidominimus is a member of the viridans group streptococci and is rarely pathogenic in humans, making it difficult to assess its epidemiologic and clinical significance. | 2014 | 24529345 |
| defining the taxonomic status of streptococcus suis serotype 33: the proposal for streptococcus ruminantium sp. nov. | to clarify the taxonomic classification of streptococcus suis serotype 33, we performed biochemical and molecular genetic analyses using isolates (gut-183, gut-184, gut-185, gut-186, gut-187t, gut-188, gut-189, gut-190, gut-191, gut-192 and gut-193) from bovine endocarditis. a comparative sequence analysis showed 99.2-100 % sequence similarity among the reference strain of s. suis serotype 33 and our isolates for the 16s rrna gene. these similarities were higher than those between the isolate gu ... | 2017 | 28840807 |