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Figure 2 | BMC Microbiology

Figure 2

From: Indole and 3-indolylacetonitrile inhibit spore maturation in Paenibacillus alvei

Figure 2

Effect of indole and 3-indolylacetonitrile on the heat-resistant CFU of P. alvei. The cells (an initial turbidity of 0.05 at 600 nm) were grown in spore forming DSM medium for 16 h and 30 h. Exogenous indole (A) and 3-indolylacetonitrile (B) were added at the beginning of the culture to test the effect of indole (Ind) and 3-indolylacetonitrile (IAN) on the heat-resistant CFU. Lysozyme-resistance assays (C) were performed with 30 h-grown cells with and without indole and 3-indolyacetonitrile, and lysozyme (1 mg/mL) was treated for 20 min. Each experiment was repeated three to four times and one standard deviation is shown.

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