• Thumbnail for Beta-lactamase
    Beta-lactamases (β-lactamases) are enzymes (EC 3.5.2.6) produced by bacteria that provide multi-resistance to beta-lactam antibiotics such as penicillins...
    53 KB (6,269 words) - 12:32, 5 October 2024
  • Thumbnail for Β-Lactamase inhibitor
    Beta-lactamases are a family of enzymes involved in bacterial resistance to beta-lactam antibiotics. In bacterial resistance to beta-lactam antibiotics...
    16 KB (1,696 words) - 06:05, 21 November 2024
  • Thumbnail for New Delhi metallo-beta-lactamase 1
    The gene for NDM-1 is one member of a large gene family that encodes beta-lactamase enzymes called carbapenemases. Bacteria that produce carbapenemases...
    29 KB (3,212 words) - 15:35, 21 November 2024
  • production of beta- lactamases. Most beta-lactamases identified in Bacteroides, Prevotella, and Capnocytophaga belong to the Ambler class A. Several beta-lactamases...
    16 KB (1,802 words) - 18:52, 14 November 2024
  • Staphylococcus aureus (beta-lactamase and non-beta-lactamase producing), Staphylococcus epidermidis (beta-lactamase and non-beta-lactamase producing), Staphylococcus...
    21 KB (2,031 words) - 08:16, 2 October 2024
  • J01CR01 Ampicillin and beta-lactamase inhibitor J01CR02 Amoxicillin and beta-lactamase inhibitor J01CR03 Ticarcillin and beta-lactamase inhibitor J01CR04 Sultamicillin...
    14 KB (1,151 words) - 15:36, 25 January 2024
  • Thumbnail for Klebsiella pneumoniae
    Klebsiella possesses beta-lactamase giving it resistance to ampicillin. Many strains have acquired an extended-spectrum beta-lactamase with additional resistance...
    42 KB (4,195 words) - 03:15, 3 October 2024
  • Thumbnail for Β-Lactam antibiotic
    acids to target different isozymes of beta-lactamases. However, in all cases where infection with β-lactamase-producing bacteria is suspected, the choice...
    34 KB (3,710 words) - 19:10, 26 October 2024
  • Thumbnail for Carbapenem
    pneumonia, especially when Pseudomonas, Acinetobacter, or extended spectrum beta-lactamase producing Enterobacteriaceae are suspected pathogens. Combination therapy...
    30 KB (3,490 words) - 21:42, 19 October 2024
  • Thumbnail for Acinetobacter baumannii
    express beta-lactamases known as Acinetobacter-derived cephalosporinases (ADCs), which are class C beta-lactamases. In addition, the beta-lactamase OXA-51...
    49 KB (5,450 words) - 17:44, 7 November 2024
  • Thumbnail for Clavulanic acid
    Clavulanic acid (category Beta-lactamase inhibitors)
    Clavulanic acid is a β-lactam drug that functions as a mechanism-based β-lactamase inhibitor. While not effective by itself as an antibiotic, when combined...
    24 KB (2,140 words) - 02:36, 10 November 2024
  • Thumbnail for Flucloxacillin
    inactivated by β-lactamases.[citation needed] Flucloxacillin was developed in the 1960s following an increase in penicillin-resistant (beta-lactamase producing)...
    24 KB (2,105 words) - 06:45, 2 October 2024
  • Thumbnail for Penicillin
    has activity against β-lactamase-producing bacteria due to an acyl side chain that protects the beta-lactam ring from β-lactamase. Penicillin has low protein...
    98 KB (10,637 words) - 09:28, 17 November 2024
  • Thumbnail for Piperacillin
    Gram-negative bacteria and reduces susceptibility to cleavage by Gram-negative beta lactamase enzymes. These properties confer activity against the important hospital...
    44 KB (4,767 words) - 05:13, 3 June 2024
  • Thumbnail for Dicloxacillin
    susceptible (non-resistant) Gram-positive bacteria. It is active against beta-lactamase-producing organisms such as Staphylococcus aureus, which would otherwise...
    11 KB (856 words) - 01:41, 29 March 2024
  • KPC (Klebsiella pneumoniae carbapenemase) and NDM (New Delhi Metallo-beta-lactamase). KPC and NDM are enzymes that break down carbapenems and make them...
    69 KB (8,479 words) - 19:42, 20 October 2024
  • Thumbnail for Plasmid-mediated resistance
    antibiotic resistance. Both narrow spectrum beta-lactamases (e.g. penicillinases) and extended spectrum beta-lactamases (ESBL) are common for resistance plasmids...
    25 KB (2,787 words) - 02:49, 7 September 2024
  • Thumbnail for Metallo-beta-lactamase protein fold
    "Inhibition of metallo-β-lactamase". 7456274. Alderson R, Barker D, Mitchell JB (2014). "One origin for metallo-beta-lactamase activity, or two? An investigation...
    8 KB (1,060 words) - 16:54, 9 September 2024
  • Thumbnail for Pathogenic Escherichia coli
    These beta-lactamase enzymes make many, if not all, of the penicillins and cephalosporins ineffective as therapy. Extended-spectrum beta-lactamase–producing...
    54 KB (5,818 words) - 11:43, 28 October 2024
  • Thumbnail for Sulbactam
    Sulbactam (category Beta-lactamase inhibitors)
    a suicide inhibitor of β-lactamase, shielding more potent beta-lactams such as ampicillin. Sulbactam itself contains a beta-lactam ring, and has weak...
    6 KB (351 words) - 21:24, 6 November 2024
  • Thumbnail for Beta-lactamase inhibitor protein
    Beta-Lactamase Inhibitor Proteins (BLIPs) are a family of proteins produced by bacterial species including Streptomyces. BLIP acts as a potent inhibitor...
    2 KB (239 words) - 14:31, 20 July 2024
  • Thumbnail for Sulbactam/durlobactam
    Sulbactam/durlobactam (category Beta-lactamase inhibitors)
    complex. It contains sulbactam, a beta-lactam antibacterial and beta-lactamase inhibitor; and durlobactam, a beta-lactamase inhibitor. Sulbactam/durlobactam...
    7 KB (453 words) - 06:34, 1 November 2024
  • Thumbnail for Moraxella catarrhalis
    catarrhalis resistance to beta-lactam antibiotics, such as ampicillin and amoxicillin, is mediated by periplasmic lipoprotein beta-lactamases BRO-1 and BRO-2,...
    23 KB (2,699 words) - 06:33, 27 November 2024
  • Thumbnail for Antibiotic sensitivity testing
    in the context of antibiotic susceptibility testing, strains such as beta-lactamase producing E. coli. MALDI-TOF is rapid and automated. There are limitations...
    36 KB (4,019 words) - 23:52, 24 September 2024
  • cover Pseudomonas aeruginosa: Certain cephalosporins, cephalosporin-beta-lactamase-inhibitor combinations, and new siderophore cephalosporins. Ceftazidime...
    30 KB (747 words) - 19:19, 27 November 2024
  • Thumbnail for Ceftriaxone
    ceftriaxone is active against Citrobacter spp., Serratia marcescens, and beta-lactamase-producing strains of Haemophilus and Neisseria. However, unlike ceftazidime...
    35 KB (3,176 words) - 00:51, 12 October 2024
  • Thumbnail for Piperacillin/tazobactam
    when a patient has hypersensitivity to penicillins, cephalosporins, beta-lactamase inhibitors or any component of the formulation. The combination is marketed...
    11 KB (965 words) - 19:39, 19 October 2024
  • Thumbnail for Nitrocefin
    to detect the presence of beta-lactamase enzymes produced by various microbes. Beta-lactamase mediated resistance to beta-lactam antibiotics such as...
    6 KB (665 words) - 07:42, 10 September 2024
  • Thumbnail for Etest
    mechanisms [e.g. ESBL (Extended Spectrum Beta-Lactamase), MBL (Metallo Beta-Lactamase), AmpC Beta-Lactamase and VISA/h VISA]. Etest has been FDA cleared...
    11 KB (1,394 words) - 16:31, 11 May 2024
  • ESCAPPM or ESCHAAPPM is a mnemonic for the organisms with inducible beta-lactamase activity that is chromosomally mediated. E: Enterobacter spp. S: Serratia...
    2 KB (163 words) - 05:01, 17 September 2024