Pseudomonas aeruginosa is an important human pathogen which causes a variety of
infections that are often difficult to treat due to its resistance to many antibiotics including the …

Objectives Gram-negative bacteria represent the most relevant reservoir of resistance to
antibiotics in the environment. The natural selection of resistant clones of bacteria in the …

The β-lactams are frequently used antibiotics and are essential in treatment of serious
bacterial infections. The emergence of β-lactamases has been an ongoing serious …

ABSTRACT Background and Objectives: AmpC β-lactamase producing Escherichia coli has
emerged in hospital environments as an important health issue that is of a global health …

Objective: The objective of this study was to determine the occurrence and antimicrobial
profile of AmpC β-lactamase producing bacteria. Methods: The study was conducted at The …

Antibiotics are frequently used in veterinary medicine especially in food-producing animals
as prophylactic and growth promoting agents. Several studies have shown that the use of …

Background The carbapenems are often the last line of treatment for a variety of bacterial
infections including those caused by multidrug resistant organisms. Metallo-β-lactamases …

The supplementation of animal feeds and water with antibiotics (as growth promoting
agents) plays a huge role to the development and spread of antibiotic resistance in the …

AmpC β-lactamases are enzymes that are resistant to β-lactams, such as penicillin and
cephalosporin, but not cefoxitin and cefotetan. this study was conducted to characterize …

Abstract Background and Objective. One of the major clinical problems regarding β-lactam
antibiotics resistance is attributed to metallobeta-lactamases (MBL), which are group of …