purple sulfur bacteria


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purple sulfur bacteria

[′pər·pəl ′səl·fər bak‚tir·ē·ə]
(microbiology)
Any of various anaerobic photosynthetic purple bacteria, especially in the family Thiorhodaceae, that utilize H2 S and other inorganic sulfur compounds as a source of hydrogen, while the carbon source can be carbon monoxide.
References in periodicals archive ?
Such intracellular sulfur vesicles stored as an intermediate during the oxidation of sulfide and thio-sulfate are typical for Chromatiaceae, the purple sulfur bacteria (Brenner et al, 2005; Dahl and Prange, 2006; Imhoff, 2006), the family to which most of the thioau-totrophic endosymbionts belong (Dubilier et al, 2008).
Competition for sulfide among colorless and purple sulfur bacteria in cyanobacterial mats.
Also, some photosynthetic populations, particularly purple sulfur bacteria, have been observed to migrate.