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Fig. 4 | Biotechnology for Biofuels

Fig. 4

From: Extracellular riboflavin induces anaerobic biofilm formation in Shewanella oneidensis

Fig. 4

A speC expression after the addition of different concentrations of riboflavin relative to transcript abundance without riboflavin addition. The addition of up to 15 nM riboflavin does not have any significant effect on speC expression, while the addition of 18.5, 37 and 100 nM riboflavin leads to a 2- and 2.3-fold increase in speC expression, respectively. Error bars represent the standard deviation from individual replicates (n = 3). B speC expression after the addition of different concentrations of flavin adenine dinucleotide (FAD) and flavin mononucleotide (FMN) relative to cells without exogenous flavin addition. The addition of FAD and FMN in these concentrations does not have a significant effect on speC expression. Expression is normalized to the gene for the RNA polymerase subunit rpoA. Error bars represent the standard deviation from individual replicates (n = 3). Asterisks represent significant differences (unpaired t-test p < 0.05)

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