TABLE 3.

Cell number estimates by flow cytometry and phospholipid fatty acid analysis

SampleTotal cells · ml−1 (flow cytometry)Bacterial cells · ml−1 (PLFA)% Bacteria (FISH)a
DR938 H3 Outlet-1024014.9 × 1042.04 × 104NA
DR938 H3 125M-1025012.2 × 1042.08 × 10491b
DR938 H3 250M-1024012.1 × 1041.33 × 10490c
DR938 H3 390M-1024012.0 × 1058.16 × 103NA
DR938 H3 550M-1025011.3 × 1065.84 × 103NA
DR938 H3 648M-1025011.4 × 1065.64 × 103NA
  • a NA, not analyzed.

  • b Seven hundred seventy-one cells were counted.

  • c One thousand six hundred six cells were counted.