phototropic bacteria

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Noun1.phototropic bacteria - green and purple bacteria; energy for growth is derived from sunlight; carbon is derived from carbon dioxide or organic carbon
eubacteria, eubacterium, true bacteria - a large group of bacteria having rigid cell walls; motile types have flagella
purple bacteria - free-living Gram-negative pink to purplish-brown bacteria containing bacteriochlorophyll
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References in periodicals archive ?
It is a member of the alpha proteobacteria, a group which includes phototropic bacteria, Rickettsia, and Sphingomonas.
Bergey's Manual of Systematic Bacteriology, 2nd Edition, Volume 1: The Archaea and the Deeply Branching and Phototropic Bacteria George Garrity, ed.