title: Isolation and identification of photosynthetic bacteria (Rhodospirillaceae) from Antarctic marine and  freshwater sediments.
mesh_terms: D000864:Antarctic Regions; D005618:Fresh Water; D012244:Rhodospirillaceae / Q000254:growth & development / Q000302:isolation & purification*; D012623:Seawater; D012988:Soil Microbiology; D014871:Water Microbiology