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Int J Syst Bacteriol. 1992 Apr;42(2):296-8.

Fusobacterium nucleatum subsp. fusiforme subsp. nov. and Fusobacterium nucleatum subsp. animalis subsp. nov. as additional subspecies within Fusobacterium nucleatum.

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Department of Oral Biology, Faculty of Dentistry, Dalhousie University, Halifax, Nova Scotia, Canada.


Using a variety of physiological, biochemical, and molecular systematic analyses, we have shown previously that there are four groups within the species Fusobacterium nucleatum. Two of these groups of strains correspond to the recently proposed taxa F. nucleatum subsp. nucleatum and F. nucleatum subsp. polymorphum. In this paper we show that the two remaining groups are distinct and formally propose that they should be recognized as F. nucleatum subsp. fusiforme (type strain, NCTC 11326) and F. nucleatum subsp. animalis (type strain, NCTC 12276). The tests which we used did not allow a full assessment of the status of F. nucleatum subsp. vincentii compared with F. nucleatum subsp. nucleatum.

[Indexed for MEDLINE]

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