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Pronunciation: o'shen-o-spi-ril'um

Definition: A genus of motile, non-spore-forming, aerobic bacteria (family Spirillaceae) containing gram-negative, rigid, helical cells that are 0.3–1.2 mcm in diameter. Motile cells contain bipolar fascicles of flagella. There is no growth anaerobically with nitrate. These organisms are chemoorganotrophic and possess a strictly respiratory metabolism; they neither oxidize nor ferment carbohydrates; found in marine environments. There are at present five species in this genus, of which the type species is Oceanospirillum linum.

[L. oceanus, ocean, + spirillum, coil]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.