نتایج جستجو برای: aminoglycoside modifying enzymes
تعداد نتایج: 166314 فیلتر نتایج به سال:
Aminoglycoside antibiotics, including gentamicin, are widely used clinically in treatment of bacterial infections. Unfortunately, their side effects, especially nephrotoxicity and ototoxicity remain a problem. It is known that aminoglycoside antibiotics bind well to melanin biopolymer, but the relation between their affinity to melanin and ototoxicity is not well documented. The aim of this wor...
Streptomyces tenebrarius ISP 5477, which produces nebramycins, was highly resistant to the following aminoglycoside antibiotics: neamine, ribostamycin, butirosin A, neomycin B, paromomycin, kanamycin A, dibekacin, gentamicin C complex, lividomycin A, istamycin B and streptomycin. Polyphenylalanine synthesis on the ribosomes of this strain was highly resistant to neamine, ribostamycin, butirosin...
Background: This study aimed to investigate the occurrence of aminoglycoside resistance and the prevalence of the resistance-modifying enzyme genes, ant(3”)-III, ant(6’)-Ia, aac(6′)-Ie-aph(2”)-Ia, and aph(2’)-Id, in Enterococcus strains isolated in Kermanshah Province, west of Iran.Methods: In this cross-sectional study, 108 enterococcal isolates from urine, wound, blood, and cerebrospinal flui...
Bacterial resistance to aminoglycoside antibiotics is almost exclusively accomplished through either phosphorylation, adenylylation, or acetylation of the antibacterial agent. The aminoglycoside kinase, APH(3')-IIIa, catalyzes the phosphorylation of a broad spectrum of aminoglycoside antibiotics. The crystal structure of this enzyme complexed with ADP was determined at 2.2 A. resolution. The th...
In the last ten years, the importance of chromatin modifications in many aspects of biology has become apparent. Several families of enzymes that modify histones have been identified, the majority of which are conserved throughout evolution. The enormous interest in this field has resulted in a very rapid rate of discovery of new enzymes, but this in turn has lead to a noncoherent nomenclature ...
Pseudomonas aeruginosa is one of the leading nosocomial pathogens worldwide. Nosocomial infections caused by this organism are often hard to treat because of both the intrinsic resistance of the species (it has constitutive expression of AmpC beta-lactamase and efflux pumps, combined with a low permeability of the outer membrane), and its remarkable ability to acquire further resistance mechani...
Antagonism between Aminoglycosides and -Lactams in a Methicillin-Resistant Staphylococcus aureus Isolate Involves Induction of an Aminoglycoside-Modifying Enzyme Takashi Ida, Ryoichi Okamoto, Masato Nonoyama, Kazuhiko Irinoda, Mizuyo Kurazono, and Matsuhisa Inoue* Department of Microbiology, Kitasato University School of Medicine, 1-15-1 Kitasato Sagamihara Kanagawa 228-8555, and Pharmaceutical...
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