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β-Galactosidase activities of Ps.a-682 containing pBBRglpT(Ps.a.-682)-P, the lacZ reporter plasmid grown under aerobic or anaerobic conditions. Data plotted are the means from three independent experiments; error bars indicate the standard deviations, ∗P< 0.01. Asterisks denote significance for values of glpT promoter activity in Ps.a-682 cultured under anaerobic conditions relative to those under aerobic conditions.
