title: Isolation and counting of Athiorhodaceae with membrane filters.
abstract: The number, type, and distribution of Athiorhodaceae in two Central Pennsylvania artificial lakes were investigated with an anaerobic modification of the membrane filter technique.
mesh_terms: D000114:Acetylene / Q000378:metabolism; D000693:Anaerobiosis; D001431:Bacteriological Techniques; D003470:Culture Media; D005374:Filtration; D008567:Membranes, Artificial; D008722:Methods; D009586:Nitrogen Fixation; D010414:Pennsylvania; D012241:Rhodopseudomonas / Q000145:classification / Q000254:growth & development / Q000302:isolation & purification* / Q000378:metabolism; D012246:Rhodospirillum / Q000145:classification / Q000254:growth & development / Q000302:isolation & purification* / Q000378:metabolism; D013053:Spectrophotometry; D014871:Water Microbiology
chemical_list: D003470:Culture Media; D008567:Membranes, Artificial; D000114:Acetylene