Genus Arsenophonus
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Proteobacteria => Gammaproteobacteria => Enterobacteriales => Enterobacteriaceae => Arsenophonus => Arsenophonus nasoniae  
Gherna et al., 1991, single species of the genus.
A second species has been proposed for the genus: Candidatus
Arsenophonus triatominarum (not valid).
Gram negative rods, highly filamentous, 6.9-10 µm  x 0.4-0.5 µm, non-motile.  
Colonies have 2 to 3 mm in diameter, irregular and raised with an undulate margin,
light brown pigmentation. Incubation temperature 15-35 °C (optimum 30 °C, may
require microaerobic conditions. Grow at pH 6.2–8.7 (optimum pH 7.4–8.0).
BHI medium (brain heart infusion), MM agar.
Isolated from wasp Nasonia vitripennis.
Is a maternally inherited agent that causes lethality of male embryos of infected females in the parasitic wasp Nasonia vitripennis.
  1. Gherna et al. Arsenophonus nasoniae gen. nov., sp. nov., the causative agent of the son-killer trait in the parasitic wasp
    Nasonia vitripennis. Int. J. Syst. Bacteriol., 1991, 41, 563-565.
  2. J. G.Holt et al., 1994. Begey’s manual of Determinative Bacteriology, 9th-edition, Williams & Wilkins.
  3. Don J. Brenner and J.J. Farmer III, 2001. Family I. Enterobacteriaceae. In:  Bergey’s Manual of Systematic Bacteriology, Second
    edition,Vol two, part B, George M. Garrity (Editor-in-Chief), pp 587-897.
Positive results for acid production from: glucose & sacharose.

Negative results for nitrate reduction, oxidase, lactose, arginine dihydrolase,  lysine
decarboxylase, ornithine decarboxylase, indole production, hydrogen sulfide (H
2S)
production, urea hydrolysis, Voges-Proskauer, malonate, gas production from
glucose, acid production from: D-mannitol, inositol, L-rhamnose, L-arabinose,
cellobiose, dulcitol, glycerol, maltose, raffinose, trehalose & D-xylose.
(c) Costin Stoica
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