TABLE 2.

Abundance of PR sequence types relative to abundance of bacterial 16S rRNA genesa

PR clusterRelative abundanceSDb
SAR110.0530.005
HTCC22550.1310.008
MEDHO1202F40.0870.005
MedPR13e07NDND
MS0242A0.0380.004
Flavo-HEL0.0360.003
Flavo-NASB0.0100.006
Total0.345
  • a Relative abundances in a sample of surface water from the North Sea were determined by quantitative PCR. ND, not determined.

  • b SD, standard deviation of results for four technical replicas.