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
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) - 15:55, 25 July 2024
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) - 19:54, 11 September 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 (1,776 words) - 12:47, 23 August 2024
Β-Lactam antibiotic (redirect from Beta-lactam antibiotic)
synthesizing a β-lactamase, an enzyme that attacks the β-lactam ring. To overcome this resistance, β-lactam antibiotics can be given with β-lactamase inhibitors...
34 KB (3,710 words) - 22:48, 26 September 2024
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...
23 KB (2,122 words) - 06:23, 10 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
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
pneumonia, especially when Pseudomonas, Acinetobacter, or extended spectrum beta-lactamase producing Enterobacteriaceae are suspected pathogens. Combination therapy...
30 KB (3,490 words) - 12:59, 10 October 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
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
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
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
Acinetobacter baumannii (section Beta-lactamase)
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) - 14:03, 30 July 2024
Penicillin (section β-lactamase inhibitors)
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) - 21:20, 30 September 2024
These beta-lactamase enzymes make many, if not all, of the penicillins and cephalosporins ineffective as therapy. Extended-spectrum beta-lactamase–producing...
54 KB (5,817 words) - 13:54, 7 July 2024
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 (449 words) - 06:17, 10 January 2024
Sulbactam (category Beta-lactamase inhibitors)
Sulbactam is a β-lactamase inhibitor. This drug is given in combination with β-lactam antibiotics to inhibit β-lactamase, an enzyme produced by bacteria...
6 KB (345 words) - 06:01, 12 August 2023
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
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
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
produces and secretes beta-lactamase containing outer-membrane vesicles that can function as an extracellular delivery system of beta-lactam resistance that...
22 KB (2,516 words) - 13:25, 3 July 2024
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
first cephem discovered but while it was highly resistant to several beta-lactamases, as is its derivative cefoxitin, it was almost only effective against...
26 KB (2,646 words) - 22:29, 25 March 2024
confers extra stability to beta-lactamase enzymes produced by many Gram-negative bacteria. The extra stability to β-lactamases increases the activity of...
18 KB (1,378 words) - 20:54, 10 October 2024
although it has been proved to be active against a zinc-dependent beta-lactamase that usually confers antibiotic resistance to certain bacteria, more...
4 KB (192 words) - 16:28, 17 September 2023
Ceftolozane/tazobactam (category Beta-lactamase inhibitors)
blocks the action of bacterial enzymes called beta-lactamases. These enzymes enable bacteria to break down beta-lactam antibiotics like ceftolozane, making...
23 KB (2,206 words) - 20:54, 10 October 2024
The metallo-β-lactamase (MBL) superfamily constitutes a group of proteins found in all domains of life that share a characteristic αββα fold with the...
8 KB (1,060 words) - 16:54, 9 September 2024
to many bacterial beta-lactamases compared to penicillins. Gram-positive aerobes: Staphylococcus aureus (including beta-lactamase producing strains)...
16 KB (1,321 words) - 02:23, 31 March 2024
β-lactam antibiotics (such as penicillins), they are less susceptible to β-lactamases. Currently, some Citrobacter freundii, Enterobacter cloacae, Neisseria...
37 KB (2,502 words) - 04:47, 10 August 2024