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Community profile analysis of the three-compartment system based on cesium chloride-bisbenzimidazole gradient fractionation of total community DNA from each compartment. (a) Compartment one (○). (b) Compartment two (□). (c) Compartment three (◊). (d) Overlay of profiles for all three compartments. Broken lines represent the profiles of individual samples; solid lines represent the average values for two replicate samples.
