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TABLE 1. Characteristics of gram-negative, oxidase-positive Neisseria and related species of human origin

SpeciesAcid fromSuperoxolReduction of nitratePolysaccharide from sucroseTributyrin hydrolysis
GlucoseMaltoseLactoseSucroseFructose
N. gonorrhoeae+----+---
N. meningitidis++---+---
N. lactamica+++--+---
N. cinerea*-----+---
N. polysaccharea++---+---
N. subflava†++-VV+-V-
N. sicca++-+++-+-
N. mucosa++-+++++-
N. flavescens-----+-+-
N. elongata§---------
Branhamella catarrhalis-----++-+
Kingella denitrificans+-----+--

Abbreviations: + = strains typically positive but genetic mutants might be negative; - = negative; V = variable.
* Certain strains grow on selective media for the isolation of N. gonorrhoeae.
† Includes biovars subflava, flava, and perflava. N. subflava biovar perflava strains produce acid from sucrose and fructose and produce polysaccharide from sucrose;
N. subflava biovar flava strains produce acid from fructose; N. subflava biovar flava and N. subflava biovar subflava do not produce polysaccharide.
§ Rod or coccobacillus.

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