According to the National Committee for Clinical Laboratory Standards (NCCLS, 2004), a method to evaluate the inducible clindamycin resistance in accordance with an approach of the disks of erythromycin and clindamycin--the D test--has been reported. We analyzed the performance of this method in 200 coagulase negative staphylococci (CoNS) strains obtained from blood cultures of hospitalized pat...

INTRODUCTION Staphylococcus aureus is one of the most common pyogenic bacteria. They are notorious for developing prompt resistance to newer antimicrobials. With increasing incidence of methicillin-resistant S. aureus (MRSA) isolates, the treatment options are also becoming limited. Clindamycin is an excellent drug for skin and soft tissue infections, but resistance mediated by the inducible ph...

Escherichia coli MG1655 acid-inducible genes were identified by whole-genome expression profiling. Cultures were grown to the mid-logarithmic phase on acidified glucose minimal medium, conditions that induce glutamate-dependent acid resistance (AR), while the other AR systems are either repressed or not induced. A total of 28 genes were induced in at least two of three experiments in which the ...

Resistance to cisplatin is a major problem in the treatment of solid tumors. To investigate the determinants of cisplatin resistance, we have identified cisplatin-inducible genes by differential display of mRNA. One of the cisplatin-inducible genes was identified as activating transcription factor 4 (ATF4). Northern blot analysis demonstrated that expression of ATF4 is inducible at the transcri...

Resistance to cisplatin is a major problem in the treatment of solid tumors. To investigate the determinants of cisplatin resistance, we have identified cisplatin-inducible genes by differential display of mRNA. One of the cisplatin-inducible genes was identified as activating transcription factor 4 (ATF4). Northern blot analysis demonstrated that expression of ATF4 is inducible at the transcri...

Susceptibilities to 13 antimicrobial agents were determined by measurement of MICs for 60 isolates of Streptococcus bovis from blood cultures. Thirty-eight isolates (63.3%) had high-level resistance to erythromycin (MICs, >or=128 microg/ml). Among the 38 erythromycin-resistant strains, 21 isolates (55%) had inducible resistance to macrolides-lincosamides-streptogramin B (iMLS isolates) and 17 (...

background and objective: staphylococcus aureus is an important infection in hemodialysis patients. we studied the prevalence of nasal carriage of methicillin-resistant staphylococcus aureus (mrsa) and its antibiotic resistance pattern in patients receiving hemodialysis as well as in dialysis unit staff. materials and methods: from june to september 2012, we evaluated 74 cases including 61 pati...

OBJECTIVES To assess the epidemiology, antibiotic resistance and genotypic characterization of group A streptococci (GAS) in Jinju, Korea. METHODS Isolates were characterized in terms of their antibiotic resistance, the phenotypes of erythromycin resistance, the frequencies of erm(B), erm(A) and mef(A) genes, and by emm genotyping or M typing. The data were compared with those from 85 GAS str...

BENCHMARKS Controlled gene expression is important for elucidating gene functions and developing safer methods of gene therapy (1,2). Historically, early inducible expression systems were mainly based on responses of endogenous elements to exogenous signals or stresses such as heat shock, hormones, or metal ions. However, these systems lacked specificity due to the inducer's pleiotropic effects...

BACKGROUND Fungi are key dietary resources for many animals. Fungi, in consequence, have evolved sophisticated physical and chemical defences for repelling and impairing fungivores. Expression of such defences may entail costs, requiring diversion of energy and nutrients away from fungal growth and reproduction. Inducible resistance that is mounted after attack by fungivores may allow fungi to ...