Fig. 9 | Scientific Reports

Fig. 9

From: Biofilm detachment significantly affects biological stability of drinking water during intermittent water supply in a pilot scale water distribution system

Fig. 9

Community structure differences between CWSslow (blue circles), CWSfast (red triangles), and IWSfast (black asterisks) flow conditions from all three repeats, assessed via principal coordinates analysis (PCoA) of (A) 16S rRNA metabarcoding and (B) flow cytometry (FCM) fingerprinting data. Dotted lines indicate the 95% interval of the corresponding microbial communities. Both analyses show a significant difference in bacterial communities among CWSslow and CWSfast (p = 0.001) and CWSslow and IWSfast (p = 0.002) according to PERMANOVA test. The number of replicates are CWSslow (16S rRNA gene metabarcoding, n = 16; FCM, n = 45); CWSfast (16 S rRNA gene metabarcoding, n = 41; FCM, n = 59); and IWSfast (16S rRNA gene metabarcoding, n = 43; FCM, n = 60).

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