phototrophic bacteria

Also found in: Thesaurus, Encyclopedia, Wikipedia.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.phototrophic 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
References in periodicals archive ?
Anoxygenic phototrophic bacteria are studied as one of the earliest organisms due to their phylogenic antiquity and ability to metabolize iron and sulfur using light energy.
In the Photosynthesis exhibit, visitors can contemplate several cultures of oxygenic phototrophic bacteria in plastic Petri dishes.
coli in the caves, probably due to sewage disposal, and phototrophic bacteria which would not naturally be found in such a dark environment.