Studies in enterococci
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Studies in enterococci biochemical and serological classification with some clinical remarks. by Olle Henschen Nyman

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Published by Landby & Lundgrens boktr. in Malmö .
Written in English


Book details:

Edition Notes

SeriesActa pathologica et microbiologica scandinavica. Supplementum, 83
Classifications
LC ClassificationsQR82.E6 N9
The Physical Object
Pagination87 p.
Number of Pages87
ID Numbers
Open LibraryOL201024M
LC Control Numbera 51010365
OCLC/WorldCa14660089

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  In previous studies on European cheeses, enterococci mainly belonging to E. faecalis and E. faecium and resistant, in different proportions, to penicillin, tetracycline, chloramphenicol, erythromycin, gentamicin, lincomycin, rifampicin, fusidic acid and vancomycin were detected; a prevalence of multiple drug resistance was also observed Cited by: Enterococci are ubiquitous microorganisms that could be found everywhere; in water, plant, soil, foods, and gastrointestinal tract of humans and animals. They were previously used as starters in food fermentation due to their biotechnological traits (enzymatic and proteolytic activities) or protective cultures in food biopreservation due to their produced antimicrobial bacteriocins called Cited by: Enterococci are commonly found in the feces of humans and other warm -blooded animals. Although these organisms can be persistent in the environment, the presence of enterococci in water is an indication of fecal pollution and the possible presence of enteric pathogens. Epidemiological studies . • Enterococci, formerly streptococci, established as separate species based on DNA homology studies. MID 6 Species of Streptococci Streptococ cal Species Sites of Colonizati on Sites of Infection S. pneumoniae Oropharynx, nose Lungs, sinu ses, middle ear, meninges S.

Enterococcus. Enterococci have been associated with biofilms in endocartitis, UTIs, root canal infections, and ocular infections and in a variety of device-related infections in which biofilms were found on artificial hip prostheses, intrauterine devices, prosthetic heart valves, catheters, and stents (Dautle et . Enterococci are unusually well adapted for survival and persistence in a variety of adverse environments, including on inanimate surfaces in the hospital environment and at sites of infection. This intrinsic ruggedness undoubtedly played a role in providing opportunities for enterococci to interact with other overtly drug-resistant microbes and acquire additional resistances on mobile elements. Enterococci are part of the normal intestinal flora. They used to be classified as group D streptococci but are now considered a separate genus. There are > 17 species, but E. faecalis and E. faecium most commonly cause infections in humans. Enterococci, leading causes of nosocomial bacteremia, surgical wound infection, and urinary tract infection, are becoming resistant to many and sometimes all standard therapies. New rapid surveillance methods are highlighting the importance of examining enterococcal isolates at the species level. Most enterococcal infections are caused by Enterococcus faecalis, which are more likely to express.

In a mesocosm study conducted in England using raw sewage as a source of enterococci and ambient water of various salinities (‰ to ‰), researchers observed an inverse relationship between salinity and the time required to achieve a 90% reduction in concentrations of enterococci (i.e., less time was required at higher salinities). Enterococci are commonly found in the feces of humans and other warm-blooded animals. Although these organisms can be persistent in the environment, the presence of enterococci in water is an indication of fecal pollution and the possible presence of enteric pathogens. Epidemiological studies . useful in epidemiological studies of isand m(56, 91, ), and studies have shown an accuracy equivalent to that of PFGE for the identification of organisms to the subspecies level (, ). ECOLOGY Responses to Environmental Stressors When enterococci are released from the gastrointestinal tract of. A further objective of this study was to find how E. coli and enterococci could be effectively used to identifying the presence of inappropriate sanitary sewage in storm drainage systems during dry weather. Many stormwater system managers believe that the presence of indicator.