Reference Entry


John Lackie

in A Dictionary of Biomedicine

Published in print January 2010 | ISBN: 9780199549351
Published online January 2010 | e-ISBN: 9780191727948

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A phylum of photosynthetic bacteria that include unicellular and colonial species. Some filamentous colonies are differentiated into vegetative photosynthetic cells and thick-walled heterocysts, which are responsible for nitrogen fixation. Chloroplasts in eukaryotic cells are thought to be derived from cyanobacteria by endosymbiosis....

Reference Entry.  47 words. 

Subjects: Clinical Medicine

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