Table 2.
Summary of FISH results on 170-h-old P. meandrina planulae
| Treatment | Bacterial probe suite |
Roseobacter clade probe |
||||
|---|---|---|---|---|---|---|
| Probe-positive planulaea | Locationb | Maximum density (cells μm−3)c | Probe-positive planulaea | Locationb | Maximum density (cells μm−3)c | |
| Roseobacter strain HIMB1 | 10/10 | Ectoderm | 0.06–0.10 | 10/10 | Ectoderm | 0.02–0.05 |
| SAR11 strain HIMB4 | 2/10 | Ectoderm | 0–0.03 | 2/10 | Ectoderm | 0.01–0.02 |
| Synechococcus strain HIMB12 | 2/10 | Ectoderm | 0.02–0.03 | 2/10 | Ectoderm | 0–0.01 |
| Pseudoalteromonas strain HIMB1276 | 10/10 | External, ectoderm | 0.04–0.07 | 2/10 | Ectoderm | 0.01–0.02 |
| Sterile seawater | 2/10 | Ectoderm | 0–0.03 | 1/10 | Ectoderm | 0–0.04 |
| Raw seawater | 10/10 | Ectoderm, endoderm | 0.04–0.06 | 10/10 | Ectoderm | 0.04–0.05 |
a
Proportion of planulae that positively hybridized with each probe assay out of the total number inspected.
b
Most commonly observed location of positively hybridized cells within the planulae.
c
Maximum density of positively hybridized cells within the planulae.