Diversity of Environmental Escherichia coli in Subtropical Freshwater Systems of South Africa.

Analysis of the concatenated uidA and mutS data with MULTILOCUS yielded highly significant but low θ values when comparing isolates from the Roodeplaat dam catchment with those from the Rietvlei dam catchment ( θ = 0.012 , p = 0.0014) or when comparing phylogroup B2 isolates from the two catchments ( θ = 0.031 , p = 0.0104).

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