Etest (bioMerieux) was also used to determine the minimum inhibitory concentration (MIC) of penicillin and ampicillin on three isolates classified as penicillinase
Figure 2: Cephalosporinase/penicillinase induced neutralization of 13 [beta]-lactam antibiotics which inhibit growth of Kocuria rhizophila ATCC 9341 on TSA contact plates Reference without With cephalosporinase cephalosporinase and penicillinase
(medium contains (medium contains lecithin end Tween 80) lecithin.
Our findings were in agreement with other workers (24,26) who reported that Staphylococci (both penicillinase
negative and positive) were highly susceptible to meropenem.
[10,11] On exploring use of ES - 31 antigens of M.tb[H.sub.37]Ra in stick penicillinase
ELISA for the detection of seroreactivity in pulmonary and extrapulmonary TB, ES-31 showed good potential in detecting IgG antibody in TB Lymphnode, Tubercular meningitis and pulmonary TB.
aureus that produced penicillinase
, a [beta]-lacta mase that deactivates penicillin by cleaving a bond in the b-lactam ring.
aureus produced a factor called penicillinase
(or beta-lactamase), which degraded penicillin and decreased its effectiveness in treating Staph infections.
During these years, the bacterium acquired a plasmid containing a gene for the enzyme penicillinase
, which destroys the penicillin molecule.
This germ could produce an enzyme, penicillinase
, that destroyed the penicillin molecule.
In the gonococci, the chromosomally mediated expression of multiple resistance genes and the production of the penicillinase
plasmid TEM-1 [beta]-lactamase are 2 independent mechanisms involved in a susceptible-to-resistant strain switch.
Penicillin and cephalosporins are not recommended for initial treatment due to the demonstration of a cephalosporinase and an inducible penicillinase
in the anthrax genome.
Stability studies of the components of a prototype penicillinase
(beta-lactamase)-linked ELISA kit.
Huletsky, "Characterization of the penA and penR genes of Burkholderia cepacia 249 which encode the chromosomal class A penicillinase
and its LysR-type transcriptional regulator," Antimicrobial Agents and Chemotherapy, vol.