Table 2. Significance (p value) for divergent phylogenetic gene clusters separating populations in the North Pacific Subtropical Gyre (HOT) and in the North Atlantic Subtropical Gyre (BATS).
| Gene | Product | Unifrac | P-test |
|---|---|---|---|
| amtB | Ammonium transporter | 0.651, 0.135, 0.199 | 0.576, 0.006, 0.554 |
| glnA | Glutamine synthetase | 0.058, 0.129, 0.136 | 0.045, 0.238, 0.214 |
| glsF | Glutamate synthase | 0.277, 0.066, 0.428 | 0.547, 0.235, 0.249 |
| gyrB | DNA gyrase subunit B | 0.425, 0.110, 0.477 | 0.867, 0.058, 0.006 |
| moaA | Molybdopterin biosynthesis | 0.040, 0.138, 0.090 | 0.067, 0.577, 0.555 |
| napA | Nitrate/nitrite transporter | 0.427, 0.082, 0.600 | 0.229, 0.051, 0.225 |
| narB | Nitrate reductase | 0.326, 0.547, 0.355 | 0.558, 0.060, 0.221 |
| nirA | Nitrite reductase | 0.004, 0.039, 0.072 | 0.010, 0.066, 0.056 |
| pstB | Phosphate transporter ATP-binding | 0.001,<0.001,<0.001 | 0.001,<0.001,<0.001 |
| pstS | Phosphate transporter substrate binding | <0.001,<0.001,<0.001 | <0.001,<0.001,<0.001 |
P values are reported for three replicate analyses using 18 single cells subsampled from HOT (AG-347; n = 9) and BATS (AG-355; n = 9). Trees exhibiting significant phylogenetic divergence between the two populations (p<0.05) are in bold face type.