title: Trace metal composition of photosynthetic bacteria.
mesh_terms: D002734:Chlorophyll / Q000378:metabolism; D002844:Chromatium / Q000378:metabolism*; D003624:Darkness; D004578:Electron Spin Resonance Spectroscopy; D005827:Genetics, Microbial; D008027:Light; D008345:Manganese / Q000378:metabolism; D009154:Mutation; D010788:Photosynthesis; D012241:Rhodopseudomonas / Q000378:metabolism*; D012246:Rhodospirillum / Q000378:metabolism*; D014131:Trace Elements / Q000378:metabolism*; D014465:Ultrasonics
chemical_list: D014131:Trace Elements; D002734:Chlorophyll; D008345:Manganese