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. 2011 Feb 4;77(7):2399–2405. doi: 10.1128/AEM.02341-10

FIG. 5.

FIG. 5.

Isoprene production is induced by heat (48°C), salt (0.3 M NaCl), and oxidative stress (0.005% H2O2) and is repressed by 1% ethanol in the B. subtilis strain DSM 10 and the sigB in-frame deletion mutant. The average concentrations (ng/ml/OD600) obtained from three independent cultures are shown. Error bars represent standard deviations from the means.