. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. CO2 ASSIMILATION IN HYDROTHERMAL VENT SYMBIONTS 115 100 -. 10 20 Temperature (°C) 30 FIGURE 3. Incorporation of CO2 in Bathymodiolus gill and Riftia trophosome homogenates at various temperatures; (D) mussel gill homogenate incubated with 200 \nM Na2S2O3; (•) "purified fraction" of mussel gill homogenate incubated with 400 nM Na2S2O3; (•) trophosome homogenate with 600 nM Na2S. Maximal rates in these experiments were , , and nmol CO2 mg~' protein h ', respectively. activity under anaerobic conditions. The
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. CO2 ASSIMILATION IN HYDROTHERMAL VENT SYMBIONTS 115 100 -. 10 20 Temperature (°C) 30 FIGURE 3. Incorporation of CO2 in Bathymodiolus gill and Riftia trophosome homogenates at various temperatures; (D) mussel gill homogenate incubated with 200 \nM Na2S2O3; (•) "purified fraction" of mussel gill homogenate incubated with 400 nM Na2S2O3; (•) trophosome homogenate with 600 nM Na2S. Maximal rates in these experiments were , , and nmol CO2 mg~' protein h ', respectively. activity under anaerobic conditions. The activity of the Riftia preparation also was reduced, but only by approximately two-thirds (Fig. 4B). Here, differences in incor- poration between duplicate "anaerobic" preparations (at or before arrow) may reflect differences in the amount or availability of oxygen bound to traces of Riftia blood. The short-term stimulating effect of aeration appears to be significant in restoring CO2 incorporation to its initial rate for a period of approximately 20 min. I 120 . 1 80 40 I So. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-1983. Woods Hole, Mass. : Marine Biological Laboratory
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