[PDF] Top 20 Determining the Presence of Superantigens in Coagulase Negative Staphylococci from Humans.

... for the presence of canonical SAg genes sea-seg, tstH, and selh-selx in three groups of staphylococcal isolates: (Group 1) nasal ...isolates from 14 healthy individuals, (Group ... See full document

... was in- tended to identify the presence of methicillin-resistant coagulase-negative staphylococci clones and their staphy- lococcal cassette chromosome mec (SCCmec)-type ... See full document

... species of the genus Staphylococcus have been identified thus far (Trülzsch et ...a coagulase-positive species which produces a series of other enzymes and toxins, is the best known and ... See full document

... permitted the differentiation of types I-IV among the oxacillin-resistant CoNS strains ...detected in 24.6% of the oxacillin- resistant CoNS strains and type II was found ... See full document

... Coagulase negative staphylococci (CoNS) are a heterogeneous group of species with limited but significant impact on dairy farms (Zadoks et ...as the most prevalent species in ... See full document

... In the present study, the colonies grown on CRA pre- sented diverse colors, thus, a five-color scale was adopted for comparison of the results of the CRA test and PCR ... See full document

... ABSTRACT: The presence of Staphylococcus aureus in the nasal cavities and pericatheter skin of peritoneal dialysis patients put them at high risk of developing ...whether ... See full document

... expression of icaA alone induces low enzymatic activity, as these strains typically produce only small amounts of ...PIA. The presence of icaD favors the production of ... See full document

... are the blood components with the highest rate of bacterial contamination, and coagulase-negative staphylococci (CoNS) are the most frequently isolated ...investigated ... See full document

... activity of carvacrol has been attributed to its hydrophobic nature, the presence of a free hydroxyl group and a delocalized electron system (de Sousa et ...with the lipid bilayer ... See full document

... Identification of mastitis pathogens is important for the selection of appropriate antimicrobial therapies; beta-lactam derived are frequently ...to the production of beta-lactamases ... See full document

... investigated the role of the icaA and icaD genes in slime production in clinical staphylococcal ...samples. The coexpression of icaA and icaD was analyzed by the ... See full document

... role of extracellular staphylococci products in the pathogenicity of a systemic infection is still un- ...to the class II major histocompatibility complex, without the ... See full document

... pathogens in three groups of subclinical mastitis samples (quarter SCC>500,000 cells/ml) that had previously been submitted to conventional bacteriological culturing: a group that was ... See full document

... Comparing the PCR and RPLA data, the isolates were shown to be PCR-positive for enterotoxin gene did not evidence detectable production of enterotoxin by RPLA ...below the detection limit ... See full document

... describes coagulase-negative staphylococcal (CoNS) infective endocarditis (IE) epidemiology at our institution, the antibiotic susceptibility profile, and the influence of van- comycin ... See full document

... health in nations around the globe and is associated with higher mortality, morbidity and higher costs ...Despite the extensive knowledge about the forces that drive antimicrobial- drug ... See full document

... pression of penicillin-binding protein 2a (PBP2a), encoded by the mecA gene, which has low binding affinity to all beta-lactam antibiotics available in the clinical practice (1, 2, 3, 4, 5, ... See full document

... Staphylococcus coagulase negativos (SCoN), especialmente Staphylococcus epidermidis tem se tornado causa importante de infecções da corrente circulatória nas últimas ... See full document

... However, the amount and the quality of the DNA obtained by each one of those methods is highly variable and microorganism dependent, as illustrated by coagulase- negative ... See full document