oscillatoria oscillatoria oscillatoria is a genus of filamentous cyanobacterium which is often found in freshwater environments, such as hot springs, and appears blue-green. its name refers to the oscillating motion of its filaments as they slide against each other to position the colony facing a light source. oscillatoria reproduces by fragmentation, facilitated by dead cells which separate a filament into separate sections, or hormogonia, which then grow. oscillatoria uses photosynthesis to survive and reproduce. each filament of oscillatoria consists of trichome which is made up of rows of cells. the tip of the trichome oscillates like a pendulum. in reproduction, it takes place by vegetative means only. usually the filament breaks into a number of fragments called hormogonia. each hormogonium consist of one or more cells and grow into a filament by cell division in one direction. oscillatoria oscillatoria princeps scientific classification domain: bacteria phylum: cyanobacteria class: cyanophyceae order: oscillatoriales family: oscillatoriaceae genus: oscillatoriavaucher ex gomont, 1822 type species oscillatoria princepsvaucher ex gomont species see list in body text oscillatoria filaments oscillatoria are the subject of research into the natural production of butylated hydroxytoluene (bht), an antioxidant, food additive and industrial chemical. cyclic peptides called venturamides, which may have anti-malarial activity, have been isolated from bacteria in this genus. they are the first peptides with this activity to have been found in cyanobacteria. as a result of recent genetic analyses, several new genera were erected from this genus, e.g. tenebriella. species oscillatoria contains the following species: oscillatoria amoena (kützing) gomont oscillatoria anguiformis (p. gonzález guerrero) anagnostidis oscillatoria anguina bory ex gomont oscillatoria annae van goor oscillatoria bonnemaisonii (p. l. crouan & h. m. crouan) p. l. crouan & h. m. crouan ex gomont oscillatoria brevis kützing ex gomont oscillatoria chalybea mertens ex gomont oscillatoria chilkensis biswas oscillatoria crassa (rao) anagnostidis oscillatoria croasdaleae kamat oscillatoria curviceps c. agardh ex gomont oscillatoria depauperata (copeland) anagnostidis oscillatoria engelmanniana gaidukov oscillatoria euboeica anagnostidis oscillatoria fischeri corda ex forti oscillatoria fracta carlson oscillatoria froelichii kützing ex gomont oscillatoria funiformis (vouk) komárek oscillatoria indica p. c. silva oscillatoria jenensis g. schmid oscillatoria levis (gardner) anagnostidis oscillatoria limosa c. agardh ex gomont oscillatoria limnetica lemmermann oscillatoria mahabaleshwarensis kamat oscillatoria major vaucher ex hansgirg oscillatoria margaritifera kützing ex gomont oscillatoria miniata (zanardini) hauck ex gomont oscillatoria minutissima p. gonzález oscillatoria muralis (dillwyn) c. agardh oscillatoria nitida schkorbatov oscillatoria nylstromica claassen oscillatoria obscura brühl & biswas oscillatoria olivaceobrunnea l. hoffmann & v. demoulin oscillatoria princeps vaucher ex gomont oscillatoria proboscidea gomont oscillatoria pulchra lindstedt oscillatoria rhamphoidea anagnostidis oscillatoria ribeyi f. e. drouet oscillatoria rubescens de candolle ex gomont oscillatoria sancta kützing ex gomont oscillatoria subbrevis schmidle oscillatoria subcapitata ponomarev oscillatoria tapetiformis zenker ex gomont oscillatoria tenioides (bory de saint-vincent) bory de saint-vincent ex gomont oscillatoria trichoides szafer oscillatoria versicolor g. martens ex prain oscillatoria willei n. l. gardner