TABLE 1.
Details of samples used for enrichments and PCR analysis
| Site | Vent (latitude, longitude) | Dive | Specimen type | Designation | Growth pattern
|
|
|---|---|---|---|---|---|---|
| Am-H-like | Am-N-like | |||||
| 13°N | Grandbonum (12°48′7"N, 103°56′4"W) | AM01, AM13, AM17 | Hairs | A, N, X | − | + |
| PP55 (12°49′84"N′, 103°56′8"W) | AM08 | Hairs | H | + | − | |
| PP57 (12°50′32"N, 103°56′80"W) | AM14 | Hairs | P | − | − | |
| PPHot14 (12°48′18"N, 103°56′39"W) | AM12 | Chimney | M | ND | − | |
| Grandbonum (12°48′7"N, 103°56′4"W) | AM04 | Hairs | E | − | − | |
| PPHot14 (12°48′18"N, 103°56′39"W) | AM04 | Hairs | F, G | − | − | |
| PP57 (12°50′32"N, 103°56′80"W) | AM16 | Hairs | R | − | − | |
| 9°N | Q vent (9°50′727"N, 104°17′58"W) | 3395 | Chimney | 97 chim. | ND | ND |
| M vent (9°50′83"N, 104°17′58"W) | 3399 | Chimney | 215 chim. | ND | ND | |
| Guaymas | K2 (27°00′84"N, 111°24′48"W) | 3518 | Flange | 18.1 | − | + |
| Robin's Roost (27°00′88"N, 111°24′63"W) | 3518 | Flange | 18.2 | + | − | |
| Robin's Roost (27°00′88"N, 111°24′63"W) | 3519 | Chimney | 19.1 | − | + | |
| K2 (27°00′84"N, 111°24′48"W) | 3523 | Flange | 23.2 | + | − | |
| Kristin's Summit (27°00′83"N, 111°24′68"W) | 3523 | Flange | 23.3 | + | − | |
| Rebecca's Roost (27°00′66"N, 111°24′42"W) | 3517, 3521 | Flange | 17.1, 21.1 | − | − | |
a
Growth with acetate, pyruvate, formate, and sulfur at 50°C for the 13°N samples and acetate, formate and sulfur at 45°C for the Guaymas samples. Based on morphologic and identical migrations on DGGE. ND, not done.