Table 2. Average ATP and methionine uptake rate of bacterioplankton (Bpl), SAR11, Prochlorococcus (Pro) and Synechococcus (Syn) in the light, dark and light-enhanced uptake.
Average uptake rate |
Light enhanced(%) | ||||
---|---|---|---|---|---|
Light | Dark | Light enhanced | |||
× 103 molecules per cell per hour | |||||
Group | |||||
33P-ATP | |||||
Bpl | 7.7±0.8 | >* | 5.6±0.6 | 2.1±0.6 | 36±4 |
SAR11 | 3.5±0.6 | >** | 2.1±0.3 | 1.4±0.3 | 35±6 |
PRO | 7.4±1.0 | >** | 4.6±0.6 | 2.8±0.5 | 33±5 |
Syn | 96.7±38 | < | 166±68 | No light enhancement | |
Group | |||||
3H-ATP | |||||
SAR11 | 8.2±1.8 | > | 4.8±0.2 | 3.4±1.7 | 29±20 |
PRO | 18.0±0.9 | > | 11.9±2.1 | 6.0±1.9 | 34±10 |
Group | |||||
Methionine | |||||
Bpl | 11.9±1.5 | >** | 8.7±1.1 | 3.1±0.5 | 21±3 |
SAR11 | 8.8±1.1 | >** | 5.8±0.8 | 2.9±0.4 | 32±5 |
PRO | 8.8±1.4 | >** | 5.7±1.1 | 3.1±0.7 | 34±4 |
*P-value <0.05; **<0.01.