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...

Beta-lactamases are a family of enzymes involved in bacterial resistance to beta-lactam antibiotics. In bacterial resistance to beta-lactam antibiotics...

The gene for NDM-1 is one member of a large gene family that encodes beta-lactamase enzymes called carbapenemases. Bacteria that produce carbapenemases...

production of beta- lactamases. Most beta-lactamases identified in Bacteroides, Prevotella, and Capnocytophaga belong to the Ambler class A. Several beta-lactamases...

J01CR01 Ampicillin and beta-lactamase inhibitor J01CR02 Amoxicillin and beta-lactamase inhibitor J01CR03 Ticarcillin and beta-lactamase inhibitor J01CR04 Sultamicillin...

Staphylococcus aureus (beta-lactamase and non-beta-lactamase producing), Staphylococcus epidermidis (beta-lactamase and non-beta-lactamase producing), Staphylococcus...

Klebsiella possesses beta-lactamase giving it resistance to ampicillin. Many strains have acquired an extended-spectrum beta-lactamase with additional resistance...

express beta-lactamases known as Acinetobacter-derived cephalosporinases (ADCs), which are class C beta-lactamases. In addition, the beta-lactamase OXA-51...

pneumonia, especially when Pseudomonas, Acinetobacter, or extended spectrum beta-lactamase producing Enterobacteriaceae are suspected pathogens. Combination therapy...

acids to target different isozymes of beta-lactamases. However, in all cases where infection with β-lactamase-producing bacteria is suspected, the choice...

Gram-negative bacteria and reduces susceptibility to cleavage by Gram-negative beta lactamase enzymes. These properties confer activity against the important hospital...

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...

"Inhibition of metallo-β-lactamase". 7456274. Alderson R, Barker D, Mitchell JB (2014). "One origin for metallo-beta-lactamase activity, or two? An investigation...

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...

inactivated by β-lactamases.[citation needed] Flucloxacillin was developed in the 1960s following an increase in penicillin-resistant (beta-lactamase producing)...

susceptible (non-resistant) Gram-positive bacteria. It is active against beta-lactamase-producing organisms such as Staphylococcus aureus, which would otherwise...

antibiotic resistance. Both narrow spectrum beta-lactamases (e.g. penicillinases) and extended spectrum beta-lactamases (ESBL) are common for resistance plasmids...

These beta-lactamase enzymes make many, if not all, of the penicillins and cephalosporins ineffective as therapy. Extended-spectrum beta-lactamase–producing...

a suicide inhibitor of β-lactamase, shielding more potent beta-lactams such as ampicillin. Sulbactam itself contains a beta-lactam ring, and has weak...

(2002). "Meropenem stability to beta-lactamase hydrolysis and comparative in vitro activity against several beta-lactamase-producing Gram-negative strains"...

ESCAPPM or ESCHAAPPM is a mnemonic for the organisms with inducible beta-lactamase activity that is chromosomally mediated. E: Enterobacter spp. S: Serratia...

complex. It contains sulbactam, a beta-lactam antibacterial and beta-lactamase inhibitor; and durlobactam, a beta-lactamase inhibitor. Sulbactam/durlobactam...

produces and secretes beta-lactamase containing outer-membrane vesicles that can function as an extracellular delivery system of beta-lactam resistance that...

KPC (Klebsiella pneumoniae carbapenemase) and NDM (New Delhi Metallo-beta-lactamase). KPC and NDM are enzymes that break down carbapenems and make them...

when a patient has hypersensitivity to penicillins, cephalosporins, beta-lactamase inhibitors or any component of the formulation. The combination is marketed...

Beta-Lactamase Inhibitor Proteins (BLIPs) are a family of proteins produced by bacterial species including Streptomyces. BLIP acts as a potent inhibitor...

antibiotics to improve their efficacy. As a beta-lactamase inhibitor, it blocks the ability of bacteria to break down a beta-lactam antibiotic. In the United States...

first cephem discovered but while it was highly resistant to several beta-lactamases, as is its derivative cefoxitin, it was almost only effective against...

although it has been proved to be active against a zinc-dependent beta-lactamase that usually confers antibiotic resistance to certain bacteria, more...

containing cefepime, a cephalosporin antibacterial, and enmetazobactam, a beta-lactamase inhibitor. The combination was approved for medical use in the United...