Increasing rates of antibiotic resistance among Gram-negative pathogens such as Pseudomonas aeruginosa means alternative approaches to antibiotic development are urgently required. Pyocins, produced by P. aeruginosa for intraspecies competition, are highly potent protein antibiotics known to actively translocate across the outer membrane of P. aeruginosa. Understanding and exploiting the mechan...

nigella sativa (n. sativa) grows in various parts of the world, particularly in iran. it has been traditionally used as a folk remedy to treat a number of diseases. the seeds of this plant contain moisture, proteins, carbohydrates, crude fiber, alkaloids, saponins, ash, fixed oils and essential oil. the major components of the essential oil are thymoquinone, p-cymene, trans-anethole, 2-methyl-5...

BACKGROUND Perichondritis of the auricle is a serious disease that may lead to residual deformity. OBJECTIVES To assess our experience with perichondritis in a large group of patients hospitalized with this entity. METHODS We retrospectively studied 114 patients who were admitted with perichondritis during 1987-2004, including their demographic details, medical history, current illness, eti...

Pseudomonas aeruginosa is a serious opportunistic pathogen in hospitalized patients. The ability of P. aeruginosa to cause a wide range of infections is due to the production of a large array of virulence factors (Balasubramanian et al., 2013). Pseudomonas aeruginosa is highly adaptable and have diverse phenotypic characteristics, to inhabit various environmental conditions (Yosuke and Yutaka, ...

The in vitro antibacterial spectrum of gatifloxacin was compared with those of ciprofloxacin and ofloxacin. Gatifloxacin was two- to four-fold more potent than comparator quinolones against staphylococci, streptococci, pneumococci and enterococci (gatifloxacin MIC90s, < or =1 mg/L, except 4 mg/L against methicillin-resistant Staphylococcus aureus and Enterococcus faecium). Gatifloxacin was two-...

Infections caused by Pseudomonas aeruginosa are becoming more common and increasingly more difficult to treat due to the continued development of drug resistance. While sensitivity to colistin (polymyxin E) is well known, it is frequently avoided due to concerns of nephrotoxicity. Reported here is a case of a multi-drug resistance pseudomonal typhlitis, bacteremia and pleural cavity infection t...

Abstract Nature has been a wellspring of therapeutic operators for a huge number of years and an exceptional number of present day drugs have been secluded from common sources. Higher plants, as wellsprings of restorative mixes, have kept on assuming a prevailing part in the support of human wellbeing since old circumstances. More than half of all cutting edge clinical medications are of...