Table 7. Metabolism of 14 CH4 by bacteria collected from 



Pele's Vent and distribution of radioactivity in respired 

 CO2 and incorporated nucleic acids ( NA ) and protein. The % 

 values given in parentheses represent the % of the total 

 14 C assimilated that is represented by each of the 

 individual metabolic compartments. 



Dive # Total 14 CH 4 



Sample assimilated 14 C0 2 14 C-NA 14 C-Protein 



Type 1 (nCi per 1) (nCi per 1) (nCi per 1) (nCi per 1) 



#25 280.2 (100%) 252.4 (90%) 19.5 (7%) 8.3 (3%) 

 Niskin 



#26 42.7 (100%) 41.1 (96%) (0%) 1.6 (4%) 

 Titanium 



#27 61.0 (100%) 59.4 (97%) (0%) 1.6 (3%) 

 Titanium 



#29 232.7 (100%) 229.1 (98%) 0.3 (0.1%) 3.2 (1.4%) 

 Niskin 



#29 26.1 (100%) 26.1 (100%) (0%) (0%) 

 Titanium 



The samples used were from the experiment described in 

 Table 6 following the 30 d incubation. For the 14 CH 4 

 oxidation study, the samples were incubated for 6 d at 

 25°C. 



215 



