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Comparison of expression of the pca genes in Acinetobacter in the presence (open columns) or absence (shaded columns) of functional PcaU after growth on noninducing carbon sources. pAC17-containing Acinetobacter sp. strains ADP197 (PcaU+) ADPU331 (PcaU−) were used for measurement of pcalp-driven β-galactosidase activity. Error bars indicate standard deviations between different cultures grown under the same conditions.
