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| | Alrlab: Biology 423 - Microbial Ecology |
 | | At "New Pit", Mammoth Terraces, the microbial mats we saw were composed primarily of 2 different anoxygenic phototrophs: the purple sulfur bacterium- Chromatium, a proteobacterium, and the green sulfur bacterium, Chlorobium. |
 | | Recall that these phototrophs do not evolve oxygen during photosynthesis, but rather produce sulfur as a biproduct of photosynthesis. |
 | | Norm using the handheld microscope to observe the gliding motion of the cyanobacterium, Oscillatoria |
| www.alrlab.pdx.edu /courses/ynpcourse.html (147 words) |
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