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. 2003 Oct;185(20):6016–6024. doi: 10.1128/JB.185.20.6016-6024.2003

FIG. 1.

FIG. 1.

Growth of S. pyogenes NZ131 and NZ131 rgg::ermAB with THY broth. (A) At the indicated times, aliquots were removed and the optical density was determined. (B) Aliquots were serially diluted to determine viability. Sterile culture filtrates were prepared, and the concentrations of glucose (C), lactate (D), hydrogen ions (pH) (E), and ammonia (F) were determined. The results shown are representative of at least two independent experiments.