نتایج جستجو برای: staphylococcus epidermidis http
تعداد نتایج: 192997 فیلتر نتایج به سال:
In vitro studies indicate that neomycin C is 50% as active as neomycin B against Staphylococcus epidermidis (ATCC 12228).
PURPOSE Staphylococcus epidermidis in urine cultures from previously healthy children is usually considered to be a contaminant. The goal of this study was to identify cases in which S. epidermidis was an infectious cause of urinary tract infection (UTI) in children. METHODS A literature search identified 7 cases, 6 of which were previously published and 1 which was unpublished, described her...
The ability of 135 Staphylococcus strains isolated from Spanish dry-cured hams to produce enterotoxins in culture was investigated by the reversed passive latex agglutination method. A high percentage of enterotoxigenic Staphylococcus aureus strains (85.9%) was recorded, and 54.3% of these produced enterotoxin A. One of the two Staphylococcus epidermidis strains produced enterotoxin C. The reve...
OBJECTIVES Staphylococcus spp. are postulated to play a role in peri-implantitis. This study aimed to develop a "submucosal" in vitro biofilm model, by integrating two staphylococci into its composition. MATERIALS AND METHODS The standard "subgingival" biofilm contained Actinomyces oris, Fusobacterium nucleatum, Streptococcus oralis, Veillonella dispar, Campylobacter rectus, Prevotella interm...
The opportunistic pathogens Staphylococcus aureus and Staphylococcus epidermidis represent major causes of severe nosocomial infection, and are associated with high levels of mortality and morbidity worldwide. These species are both common commensals on the human skin and in the nasal pharynx, but are genetically distinct, differing at 24% average nucleotide divergence in 1,478 core genes. To b...
We describe the case of a previously healthy 7-month-old male infant with urinary tract infection due to Staphylococcus epidermidis grown from two separate urine cultures. Further evaluation showed severe bilateral vesicoureteral reflux. Physicians should not assume that S. epidermidis is always a contaminant in urine cultures.
Staphylococcus epidermidis causes a large number of catheter-related sepsis infections annually in the United States. We present the 2.54-Mbp complete genome assembly of reference strain S. epidermidis AmMS 205, including a single 37.7-kbp plasmid. The annotated assembly is available in GenBank under accession numbers CP009046 and CP009047.
Staphylococci can sense Substance P (SP) in skin, but this molecule is generally released by nerve terminals along with another neuropeptide, Calcitonin Gene Related Peptide (CGRP). In this study, we investigated the effects of αCGRP on Staphylococci. CGRP induced a strong stimulation of Staphylococcus epidermidis virulence with a low threshold (<10-12 M) whereas Staphylococcus aureus was insen...
Staphylococcus aureus and Staphylococcus epidermidis are two major skin associated bacteria, and Substance P (SP) is a major skin neuropeptide. Since bacteria are known to sense and response to many human hormones, we investigated the effects of SP on Staphylococci virulence in reconstructed human epidermis model and HaCaT keratinocytes. We show that SP is stimulating the virulence of S. aureus...
We analyzed the occurrence and mechanisms of fusidic acid resistance present in staphylococci isolated from 59 healthy volunteers. The fingers of the volunteers were screened for the presence of staphylococci, and the collected isolates were tested for resistance to fusidic acid. A total of 34 fusidic acid resistant staphylococcal strains (all were coagulase-negative) were isolated from 22 indi...
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