Endocarditis due to group D streptococci
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Keywords:
Streptococcus bovis
Viridans streptococci
Group A
Antibiotic Therapy
Streptococcus bovis
Viridans streptococci
Infective Endocarditis
Etiology
Bacteremia
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A 4-h method was devised to differentiate the non-beta-hemolytic streptococci into three categories: enterococci, group D nonenterococci, and viridans streptococci. All of the Streptococcus faecalis, 90% of the Streptococcus faecium (enterococci), and 96% of the Streptococcus bovis biotype I (group D nonenterococci) cultures were correctly identified by the 4-h method. The less commonly isolated group D cultures had lower rates of correct identification by this method. None of the viridans streptococci was identified incorrectly.
Streptococcus bovis
Viridans streptococci
Enterococcus faecalis
Enterococcus faecium
Identification
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Abstract Eight species and varieties of faecal Streptococci were detected in two hundred water samples collected from fifty five wells distributed near Mosul city. The incidence of Streptococcus faecalis, Streptococcus faecalis var. liquefaciens, Streptococcus faecalis var. zy‐mogenes, atypical Streptococcus faecalis, Streptococcus faecium, Streptococcus durans, Streptococcus bovis, and Streptococcus equinus were 26.0%, 4.3%, 3.0%, 13.3%, 1.8%, 1.8%, 24.3% and 25.5% respectively.
Streptococcus bovis
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Abstract Streptococcus sanguis , usually considered a nonpathogen of the oral cavity, was isolated from blood cultures from a patient who was subsequently found to have a cecal adenocarcinoma. Further studies are needed to determine if Streptococcus sanguis infections have diagnostic implications similar to those of Streptococcus bovis. © 1995 Wiley‐Liss, Inc.
Streptococcus bovis
Bacteremia
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В данной статье представленобзор научной литературы, содержащий актуальные данные об особенностях современных клинико-лабораторных методов идентификации возбудителей инфекционных заболеваний на примере Streptococcus viridans и Streptococcus mitis, представителей условно-патогенной микрофлоры полости рта. Описаны механизмы трансформации данных возбудителей из факультативного комменсализма в вирулентные штаммы. Указаны зарегистрированные случаи возникновения инфекционных заболеваний органов и систем организма человека, возбудителями которых являлись Streptococcus mitis и Streptococcus viridans. Бұл мақалада ауызша шартты патогендік микрофлораның өкілдері Streptococcus viridans және Streptococcus mitis мысалында жұқпалы аурулардың қоздырғыштарын анықтаудың заманауи клиникалық және зертханалық әдістерінің ерекшеліктері туралы өзекті деректерді қамтитын ғылыми әдебиеттерге шолу берілген. Бұл қоздырғыштардың факультативті комменсализмнен вирулентті штамдарға айналу механизмдері сипатталған. Қоздырғыштары Streptococcus mitis және Streptococcus viridans болып табылатын адам ағзасының органдары мен жүйелерінің жұқпалы ауруларының пайда болуының тіркелген жағдайлары көрсетілген. This article presents a review of the scientific literature containing up-to-date data on the features of modern clinical and laboratory methods for identifying pathogens of infectious diseases on the example of Streptococcus viridans and Streptococcus mitis, representatives of the conditionally pathogenic microflora of the oral cavity. The mechanisms of transformation of these pathogens from optional commensalism into virulent strains are described. There are registered cases of infectious diseases of organs and systems of the human body, the causative agents of which were Streptococcus mitis and Streptococcus viridans.
Streptococcus mitis
Viridans streptococci
Streptococcus gordonii
Streptococcus oralis
Streptococcus sanguinis
Streptococcus anginosus
Streptococcus suis
Human pathogen
Streptococcus intermedius
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KEYWORDS: bacteremiacontact systemcancerendocarditispathogenicityStreptococcus bovisStreptococcus equinusStreptococcus gallolyticusvirulence
Streptococcus bovis
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Six hundred water samples collected from the river Tigris at Mosul City were investigated for faecal streptococci. Human faecal streptococci were predominant, and animal faecal streptococci were also detected. Eight species and varieties were identified, viz Streptococcus faecalis, atypical Streptococcus faecalis, Streptococcus bovis, Streptococcus equinus, Streptococcus faecalis var. liquefaciens, Streptococcus faecalis var. zymogenes, Streptococcus durans and Streptococcus faecium. The incidence of these species and varieties were 43.32%, 13.18%, 11.47%, 11.30%, 9.76%, 5.30%, 3.76% and 1.88%, respectively.
Streptococcus bovis
Enterococcus faecalis
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Streptococcus gallolyticus is a microorganism belonging to the Streptococcus bovis I group isolated in humans, bovines and equines pigeons, among other animals. Streptococcus bovis is a Streptococcus strain found in the rumen, and has been isolated in the milk of animals with mastitis. The authors describe a case of an adult immunocompetent patient with underlying valvular heart disease, with bacteraemia and infective endocarditis by Streptococcus gallolyticus, in whom adenomatous colonic polyps with dysplasia were identified.
Streptococcus bovis
Infective Endocarditis
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The results of deoxyribonucleic acid-deoxyribonucleic acid and deoxyribonucleic acid-ribosomal ribonucleic acid hybridization studies demonstrated that Streptococcus faecalis and Streptococcus faecium are distantly related to the non-enterococcal streptococci (Streptococcus bovis and Streptococcus equinus) of serological group D and to other streptococci. On the basis of our results and those of previous studies, we propose that S . faecalis and S . faecium be transferred to the genus Enterococcus (ex Thiercelin and Jouhaud) nom. rev. as Enterococcus faecalis (Andrewes and Horder) comb. nov. and Enterococcus faecium (Orla-Jensen) comb. nov., respectively. A description of the genus Enterococcus nom. rev. and emended descriptions of E. faecalis and E. faecium are given.
Enterococcus faecalis
Streptococcus bovis
Enterococcus faecium
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Streptococcus gallolyticus subsp. pasteurianusë Streptococcus bovis biotype II/2ë¡, ì¸êµììë Streptococcus gallolyticus subsp. pasteurianus ê· íì¦ íììê²ì ëì¥ìì´ ë°ê²¬ë ì¦ë¡ê° ìì¼ë êµë´ììë ìì§ ë³´ê³ ë ë°ê° ìë¤. ì´ì ì ìë¤ì í리íµì¦, ë°ì´ì 주ìë¡ ë´ìí íììì Streptococcus gallolyticus subsp. pasteurianus ê· ì ëì íìê³ ëì¥ë´ìê²½ì ìííì¬ ëë°ë ëì¥ìì ì§ë¨í íì를 ê²½ííì기ì 문íê³ ì°°ê³¼ í¨ê» ë³´ê³ íë ë°ì´ë¤. ì¤ì¬ ë¨ì´: Streptococcus bovis; ëì¥ì
Streptococcus bovis
Subspecies
Bacteremia
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