TABLE 5.
glcD copy numbers per milliliter of seawater for six OTUs determined by qPCR and total numbers of bacterial cells per milliliter of seawater determined by DAPI countinga
| Week | No. of copies of glcD/ml
|
||||||
|---|---|---|---|---|---|---|---|
| OTU 18 (100) | OTU 26 (100) | OTU 37 (101) | OTU 5 (101) | OTU 62 (103) | OTU 68 (103) | Total bacteria (105)b | |
| Night | |||||||
| 1 | 46.5 (13.7) | 408 (40.8) | 54.2 (4.29) | 19.1 (1.18) | 12.0 (2.55) | 1.88 (0.474) | 2.73 (0.609) |
| 2 | 256 (15.7) | 1,900 (313) | 223 (38.2) | 84.5 (15.8) | 9.32 (1.50) | 2.48 (0.352) | 3.65 (0.568) |
| 3 | 10.2 (5.20) | 77.0 (13.7) | 28.3 (5.56) | 20.8 (2.76) | 7.09 (0.570) | 1.14 (0.0768) | 2.44 (0.364) |
| 5 | 9.04 (1.86) | 212 (46.2) | 13.3 (1.80) | 32.9 (9.39) | 26.3 (5.13) | 6.57 (0.371) | 4.61 (0.891) |
| 7 | 9.74 (2.61) | 2.05 (0.189) | 17.4 (1.81) | 6.36 (1.00) | 35.2 (10.1) | 17.2 (2.06) | 8.70 (1.66) |
| Day | |||||||
| 1 | 26.2 (7.24) | 177 (17.2) | 42.4 (3.74) | 6.93 (0.663) | 1.39 (0.199) | 0.266 (0.0224) | 6.26 (1.90) |
| 2 | 124 (19.3) | 1,780 (232) | 181 (24.3) | 140 (47.6) | 37.0 (2.64) | 2.40 (0.326) | 7.98 (1.49) |
| 3 | 4.19 (1.00) | 31.1 (12.2) | 4.08 (0.742) | 21.7 (2.44) | 1.94 (0.327) | 0.620 (0.0463) | 2.47 (0.292) |
| 5 | 13.1 (4.61) | 205 (13.2) | 24.8 (2.57) | 5.20 (0.687) | 10.5 (3.11) | 5.20 (0.769) | 2.53 (0.634) |
| 7 | 21.8 (1.89) | BDc | 75.4 (13.9) | 9.23 (1.84) | 13.7 (4.05) | 22.3 (3.06) | 9.03 (1.40) |
a
Night indicates that samples were collected 2 to 3 h after sunset, and day indicates that samples were collected at “noon” the following day. The values in parentheses are standard deviations.
b
Based on the 0.8- to 10-μm size fraction.
c
BD, below the limit of detection.