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Pronunciation: yu'bak-te're-a'lez

Definition: An obsolete name for an order of bacteria that contained simple, undifferentiated, rigid cells that were either spheres or straight rods. It contained motile (peritrichous) and nonmotile, gram-negative and gram-positive, and spore-forming and non-spore-forming species.

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