Table 5. Amdinocillin susceptible and resistant clinical isolates, relevant phen
ID: 178940 • Letter: T
Question
Table 5. Amdinocillin susceptible and resistant clinical isolates, relevant phenotype, growth in various media, and MIC on Mueller-Hinton (MH) plates TABLE 5 Effects of cysteine addition on Amd resistance of clinical isolates Growth on MM Amd MIC (mg/liter) 0.3 mM Cys No Cys Strain Relevant phenotype M9 M9 Cys 0.75 mM Cys 0.125 DA5438 Yes Yes 0.125 0.125 DA28439 No Yes 24 0.25 DA14704 No Yes 32 0.125 0.125 DA14709 No Yes 0.38 No 0.125 DAI 4710 Yes DA14712 No Yes 32 16 0.5 DA14713 0.125 No No DA14715 No Yes 0.19 16 0.38 DA14718 No Yes 32 DA14719 No Yes 0.094 16 0.5 0.38 DA24678 No Yes 16 DA24686 No Yes 32 16 0.19 No Yes 24 DA24690 32 0.125 DA24692 No Yes 0.19 "Shown are growth on M9 glucose minimal medium (MM) with or without cysteine added and Amd Etest MICs on MH plates with different concentrations of cysteine. DAS438 is E. coli MG1655, DA28439 is a constructed cysB knockout strain, and all of the other strains are Amd clinical E. coli isolates with cysi mutations. cysB out.Explanation / Answer
Amdinocillin is an Antibiotic, and the table given above is the Susceptible,Resistance Test of the Antibiotic. The phenotype being tested is Cysteine concentrations of E.coli . different concentrations of cysteine are tested for Antibiotic Susceptibility( to check if the antibiotic is working on cysteine.)
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