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Review
, 16 Suppl 4, S168-74

Recent Taxonomic Changes for Anaerobic Gram-Positive and Selected Gram-Negative Organisms

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Review

Recent Taxonomic Changes for Anaerobic Gram-Positive and Selected Gram-Negative Organisms

P Summanen. Clin Infect Dis.

Abstract

The strains formerly classified as Streptococcus anginosus or "Streptococcus milleri" have now been recognized as three distinct species, Streptococcus anginosus, Streptococcus constellatus, and Streptococcus intermedius. Streptococcus morbillorum has been transferred into the genus Gemella. Four new species within the genus Peptostreptococcus were recently named. A recent addition to the genus Clostridium is Clostridium argentinense, which includes Clostridium botulinum type G. Two new species of Actinomyces have been introduced: Actinomyces georgiae and Actinomyces gerencseriae. Arachnia propionica was shown to be related to propionibacteria and has been renamed Propionibacterium propionicum. Eubacterium yurii was named to contain "test-tube brush" bacteria found in subgingival plaque. Lactobacillus uli and Lactobacillus rimae are obligately anaerobic lactobacilli found in periodontal pockets. Bilophila is a new genus of gram-negative bacilli. Wolinella recta and Wolinella curva are now included in the genus Campylobacter. The taxonomic position of Mobiluncus, currently assigned to the family Bacteroidaceae, remains uncertain.

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