phototroph

(redirected from phototrophs)
Also found in: Dictionary, Medical.
Related to phototrophs: phototrophic bacteria, Chemoautotrophs, Autotrophs

phototroph

[′fōd·ə‚träf]
(biology)
An organism that utilizes light as a source of metabolic energy.
References in periodicals archive ?
The samples included phototrophs, which convert sunlight into usable energy, and mixotrophs, which can use sunlight or consume dead organic matter.
Life exists in two major forms: phototrophs and chemotrophs.
They have been seen in denitrifyers, sulfate reducers, iron reducers, phototrophs, and methanogenic consortia (Beller and Edwards 2000; Beller et al.