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- n. Plural form of heliobacterium.
Sorry, no etymologies found.
Other photoautotraphs do not produce oxygen, such as heliobacteria, purple non-sulfur bacteria, purple sulfur bacteria, and green sulfur bacteria.
His research is focused on genome sequencing and molecular analyses of heliobacteria, proteobacteria and a cyanobacterium with the ability to shift into anoxygenic (oxygen-free) photosynthesis in the presence of sulfide, a possible evolutionary "missing link" between anoxygenic and oxygenic photosynthetic organisms.