|
|
TABLE 4.
Viable-cell counts of Thermococcus members and
halophilic microorganisms calculated by three-tube MPN cultivation
methoda
|
|
| Subsample no. |
Viable-cell count in:
|
MJYPS medium for Thermococcus (cells g [wet
wt] 1)
|
HA medium for Haloarcula
(cells g [wet
wt]1)
|
| 55°C |
75°C |
90°C |
30°C |
45°C
|
|
| I |
4.6 × 102 |
2.4 × 102 |
3.9 × 101 |
ND |
ND
|
| II |
2.1 × 104 |
1.5 × 104 |
9.0 × 103 |
ND |
ND
|
| III |
7.5 × 102 |
4.3 × 102 |
7.5 × 101 |
ND |
ND
|
| IV |
9.0 × 100 |
9.0 × 100 |
ND |
9.3 × 101 |
ND
|
| V |
ND |
ND |
ND |
9.3 × 102 |
9.3 × 101
|
| VI |
ND |
ND |
ND |
7.5 × 102 |
9.0 × 101 |
|
|
a
Viable-cell counts obtained by the MPN
method using HA medium represent not Haloarcula but
halophilic bacteria such as Halomonas spp, as described in
Results. ND, not detected.
|