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. 2014 May 19;9(5):e98162. doi: 10.1371/journal.pone.0098162

Figure 2. Expression levels of reference gene candidates.

Figure 2

A: Expression of reference genes across A. brasilense strains. B: Expression of reference genes across different culture conditions. Gene expression levels are represented by average Ct values. NB: nutrient broth; Flocc: Flocculation medium; N-free: Nitrogen free medium. Each bar represents the mean Ct values from three independent experiments. Error bars indicate standard error.