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Table 1 Minimum inhibitory concentration (mg/L) of ampicillin and spectinomycin for Y. enterocolitica strain JB580v and GY448

From: CsrA impacts survival of Yersinia enterocolitica by affecting a myriad of physiological activities

Strain

Ampicillin

Spectinomycin

WT

400

25

csrA

25

<6.25

VC

25

<6.25

csrA/csrA+

200

25

  1. Strains GY123 (WT), GY448 (csrA), GY6536 (VC) and GY6535 (csrA/csrA+) were grown to 0.5 McFarland standard in TYE and inoculated into TYE broth containing concentrations of ampicillin or spectinomycin diluted 1:2 and ranging from 400 mg/ml to 6.25 mg/ml. MIC was determined based on visible growth in samples after incubation for 36 hours at 26°C. Results from three independent experiments performed in duplicate.