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. 2009 Dec 18;76(4):1189–1197. doi: 10.1128/AEM.01719-09

FIG. 6.

FIG. 6.

The average rate of CO2 production per cell was compared between planktonic cells in the exponential phase of growth, biofilm-derived effluent cells, the shear-susceptible biofilm, and the non-shear-susceptible base biofilm layer. Activity of the shear-susceptible biofilm layer was determined in situ (as part of the biofilm) and as suspended cells after removal from the biofilm.