Definition: Widely distributed unicellular or multicellular bacteria. The CYANOBACTERIA use chlorophyll a and phycobilins for oxygenic photosynthesis while genera in the Prochlorales use both chlorophyll a and b but not phycobilins.
GEN or unspecified; prefer specifics; infection: coord IM with GRAM-NEGATIVE BACTERIAL INFECTIONS (IM); DF: GRAM NEG OXYGENIC PHOTOSYN BACT
ExamplesCyanobacteria
Other names Gram Negative Oxygenic Photosynthetic Bacteria