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Oscillatoria

Genus of bacteria From Wikipedia, the free encyclopedia

Oscillatoria
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Oscillatoria is a genus of filamentous cyanobacteria. It is often found in freshwater environments.[1] Its name refers to the oscillating motion of its filaments as they slide against each other to position the colony to face a light source.[2] Oscillatoria uses photosynthesis to survive and reproduce. Each filament of Oscillatoria consists of a row of cells called a trichome. The tip of the trichome oscillates like a pendulum.

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Oscillatoria filaments

Reproduction takes place asexually by fragmentation. Usually the filament breaks into a number of fragments called hormogonia. Each hormogonium consist of one or more cells and grows into a filament by cell division in one direction.[1]

As a result of recent genetic analyses, several new genera were erected from this genus, e.g. Tenebriella.[3]

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Research

Oscillatoria are the subject of research into the natural production of butylated hydroxytoluene (BHT),[4] 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.[5]

Serinolamide A is a cannabinoid structurally related to Anandamide that has been found to occur in Oscillatoria species.[6]

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Species

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Oscillatoria contains the following species:[7]

  • 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
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References

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