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. 2009 Nov 20;76(2):461–467. doi: 10.1128/AEM.01832-09

FIG. 4.

FIG. 4.

Degradation of glycolic acid by acidophilic Firmicutes. Symbols: ▴, S. thermosulfidooxidans strain TH1; ▪, S. acidophilus strain YTF1; ▾, S. benefaciens type strain; •, isolate SLC1; ○, noninoculated control. The symbols indicate the mean glycolic acid concentrations for duplicate cultures, and the error bars (where visible) indicate the ranges.