RNA preparation and reverse transcription were performed from R. cellulolyticum derivative strains grown in minimal medium supplemented with arabinose (2 g L−1) or cellobiose (2 g L−1) as previously described [4 (link)]. For transcriptional analysis, quantitative real-time PCR was performed using SsoFast EvaGreen Supermix 2X Kit (Bio-Rad, Marnes-la-Coquette, France), and the results were analysed with Bio-Rad CFX Manager software, version 3.0 (Bio-Rad, France) as previously described [4 (link)].
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