• Staphylococcus aureus (penicillinase and nonpenicillinase-producing), H. influenzae, and Group A beta-hemolytic Streptococci. (nih.gov)
  • James Hadler] Well, MRSA is nothing more or less than Staphylococcus aureus , with resistance to a specific class of antibiotics, penicillinase-resistant penicillins. (cdc.gov)
  • Penicillin resistant strains of Staphylococcus aureus were found to have acquired an enzyme known as a β-lactamase (originally known as a penicillinase). (futurelearn.com)
  • It has shown efficacy against a variety of Streptococcus species as well as non-penicillinase producing Staphylococcus species. (goldbio.com)
  • Perfil de resistencia de Staphylococcus spp aislados de hemocultivos en el Hospital Centra. (bvsalud.org)
  • Las infecciones nosocomiales por Staphylococcus spp constituyen uno de los problemas de mayor preocupación en salud pública en todo el mundo. (bvsalud.org)
  • Debido a que existen diferencias según centro hospitalario, paciente, área y tiempo de internación es esencial conocer el perfil de resistencia a los antibióticos más utilizados de las cepas de Staphylococcus involucradas en estas infecciones. (bvsalud.org)
  • El objetivo del presente estudio fue determinar el perfil de resistencia de los aislados de Staphylococcus aureus (Sau) y Estafilococo coagulasa negativo (ECN) de muestras de hemocultivos de pacientes adultos, pediátricos y recién nacidos internados entre el 1 de junio de 2005 al 30 de junio de 2006, en varios servicios del Hospital Central del Instituto de Previsión Social (IPS. (bvsalud.org)
  • No isolates were resistant to vancomycin which is still the best antibiotic available for the treatment of infections due to penicillin resistant Staphylococcus that are inhibited by penicillinase. (bvsalud.org)
  • Incidence of penicillinase producing Neisseria gonorrhoeae (PPNG) strains and susceptibility of gonococcal isolates to antibiotics in Benin City, Nigeria. (bmj.com)
  • Of 53 strains of Neisseria gonorrhoeae isolated in Benin City, Nigeria, in February 1983 to October 1984, 46 (87%) produced penicillinase. (bmj.com)
  • About 48% (22/46) of the penicillinase producing strains were also resistant to streptomycin, cotrimoxazole, and ampicillin and cloxacillin. (bmj.com)
  • It is not active against the penicillinase-producing bacteria, which include many strains of staphylococci. (pediatriconcall.com)
  • including strains producing and not producing penicillinase, methicillin-resistant strains), some strains of Enterococcus spp. (jcenonline.com)
  • Figure 10 shows the proportions of gonococci fully sensitive (MIC ≤ 0.03 mg/L), less sensitive (MIC 0.06 - 0.5 mg/L), relatively resistant (MIC ≥ 1 mg/L) or else penicillinase producing (PPNG) aggregated for Australia and by State or Territory. (health.gov.au)
  • Treatment is usually with penicillinase-resistant beta-lactams, but because antibiotic resistance is common, vancomycin or other newer antibiotics may be required. (merckmanuals.com)
  • It is used in the treatment of infections caused by penicillinase-producing staphylococci. (medscape.com)
  • Susceptible infections due to penicillinase-producing staphylococci. (renalandurologynews.com)
  • Unlike most coagulase-negative staphylococcal species, S. lugdunensis often remains sensitive to penicillinase-resistant beta-lactam antibiotics (ie, methicillin-sensitive). (merckmanuals.com)
  • AMPICILLIN does not resist destruction by penicillinase. (nih.gov)
  • They are, however, susceptible to beta-lactamase (penicillinase) hydrolysis. (msdvetmanual.com)
  • It is a penicillinase-resistant, acid resistant semisynthetic penicillin suitable for oral administration. (nih.gov)
  • Penicillin that is resistant to staphylococcal penicillinase. (e-lactancia.org)
  • A positive feature of these drugs is that they display a resistance to penicillinases and are useful to treat infections that are resistant to penicillin derivatives. (fsu.edu)
  • Penicillinase-resistant β lactams such as methicillin were developed, but there is now widespread resistance to even these (for example, MRSA ). (wikidoc.org)
  • Penicillinase-resistant penicillin used widely in cellulitis, otitis externa and impetigo. (ggcmedicines.org.uk)
  • Dale J.W. 1970 The purification and properties of penicillinases from penicillin-resistant Gramnegative bacteria, some of which harbour R-factors. (microbiologyresearch.org)
  • penicillinase and non-penicillinase producing, including methicillin resistant). (myvmc.com)
  • Liberation of extracellular penicillinase during the process of enzyme induction in penicillase producing bacteria]. (nih.gov)
  • To overcome the penicillinase resistance mechanism, scientists at Beecham Laboratories redesigned the penicillin molecule, leading to the introduction of a new compound, methicillin, in 1957. (project-syndicate.org)
  • How does B-lactamase/penicillinase (lamB gene) provide bacteria resistance to penicillin? (brainscape.com)
  • This product is isolated and purified from recombinant E. coli, and obtained sterile penicillinase solution after filtration. (kekaibio.com)
  • Penicillinase was the first β-lactamase to be identified: it was first isolated by Abraham and Chain in 1940 from gram-negative E. coli even before penicillin entered clinical use [1] but penicillinase production quickly spread to bacteria that previously did not produce it or only produced it rarely. (wikidoc.org)
  • ELISA assay with penicillinase as the marker enzyme. (kekaibio.com)
  • A bacteria might aquire the lamB gene via horizontal gene transfer allowing it to produce penicillinase/B-lactamase enzyme. (brainscape.com)
  • Penicillinase, also known as penicillinase β- Lactamase, penicillin amino β- Lactam hydrolases are widely distributed in various microorganisms, especially in bacteria. (kekaibio.com)
  • Group 2 are penicillinases, cephalosporinases, or both inhibited by clavulanic acid, corresponding to the molecular classes A and D reflecting the original TEM and SHV genes. (wikidoc.org)