Colonies are entire, low convex,1-2 mm diameter, smooth and butyrous, opaque with
pale, nondiffusible yellow pigmentation. Strict aerobe. Can grow at 37 ºC, but not at  
27 or 43 ºC. Can grow at pH 7.2 and 8.0, but not at pH 6.0.
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Phylum Proteobacteria, Class Betaproteobacteria, Order Neisseriales, Family Neisseriaceae, Genus Conchiformibius,
Conchiformibius kuhniae corrig. Xie and Yokota 2005.

Old synonyms: “Simonsiella kuhniae”,
Conchiformibius kuhniae Xie and Yokota 2005.
Multicellular filaments, segmented into groups of 8-12 cells; cells possess dorsal-
ventral asymmetry, gliding on ventral surface. Cell width 2-4
.4 μm; cell length 0.5-1.1
μm; cell thickness 0.5-1.1 μm.
Habitat: oral cavity of cats (Felis domesticus).
Undetermined.
  1. Tone Tonjum, 2005. Order IV. Neisseriales ord. nov. In:  Bergey’s Manual of Systematic Bacteriology, Second edition, Vol two, part C
    The Alpha-, Beta-, Delta-, and Epsilonproteobacteria, George M. Garrity (Editor-in-Chief), pp 774-863.
  2. Xie (C.H.) and Yokota (A.): Phylogenetic analysis of Alysiella and related genera of Neisseriaceae: proposal of Alysiella crassa
    comb. nov., Conchiformibium steedae gen. nov., comb. nov., Conchiformibium kuhniae sp. nov. and Bergeriella denitrificans gen.
    nov., comb. nov. J. Gen. Appl. Microbiol., 2005, 51, 1-10.
Positive results for catalase & oxidase.

Negative results for gelatin hydrolysis, nitrite reduction, acid production from: fructose, glucose, lactose, maltose, mannose, mannitol,
salicin & sucrose.

Variable results for nitrate reduction.
Conchiformibius kuhniae
(c) Costin Stoica
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