| Xenorhabdus khoisanae |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Gammaproteobacteria, Order Enterobacteriales, Family Morganellaceae, Genus Xenorhabdus,
Xenorhabdus khoisanae Ferreira et al. 2013.
Xenorhabdus khoisanae Ferreira et al. 2013.
Gram-negative straight rods, 2.0-4.2 x 0.5-1.0 µm. Motile.
Colonies are dark blue-green on NBTA and light reddish brown on MacConkey agar.
Optimum growth temperature in LB is 31–32 ºC, maximum growth temperature is 42
ºC. Complete haemolysis is produced on sheep and horse blood agar.
Optimum growth temperature in LB is 31–32 ºC, maximum growth temperature is 42
ºC. Complete haemolysis is produced on sheep and horse blood agar.
Isolated from the nematode Steinernema khoisanae. Strong antimicrobial activity against B. subtilis subsp. subtilis. Susceptible to
ampicillin in solid medium at concentrations higher than 50 µg/ml.
ampicillin in solid medium at concentrations higher than 50 µg/ml.
Undetermined.
- Ferreira T, van Reenen CA, Endo A, Sproer C, Malan AP, Dicks LM. Description of Xenorhabdus khoisanae sp. nov., the symbiont of
the entomopathogenic nematode Steinernema khoisanae. Int J Syst Evol Microbiol 2013; 63:3220-3224.
Positive results for acid production from N-acetylglucosamine, D-fructose, D-glucose, glycerol, inositol (weak), 5-ketogluconate
(weak), maltose, D-mannose, ribose and trehalose (weak).
Can utilize (Biolog GN) N-acetylglucosamine, DL-lactic acid, bromosuccinic acid, L-alanine, L-alanine glycine, glycyl L-glutamic acid,
L-histidine and L-serine.
Can assimilate (API 20 NE) glucose, mannose, N-acetylglucosamine, maltose and gluconate.
Negative results for catalase, DNase, nitrate reduction, oxidase, Tween 20 and 40 hydrolysis, acid production from sorbitol and
esculin.
Variable results for lecithinase, Tween 60 and 80 hydrolysis, acid production from starch.
Variable utilization of uridine, trehalose and p-hydroxyphenylacetic acid.
(weak), maltose, D-mannose, ribose and trehalose (weak).
Can utilize (Biolog GN) N-acetylglucosamine, DL-lactic acid, bromosuccinic acid, L-alanine, L-alanine glycine, glycyl L-glutamic acid,
L-histidine and L-serine.
Can assimilate (API 20 NE) glucose, mannose, N-acetylglucosamine, maltose and gluconate.
Negative results for catalase, DNase, nitrate reduction, oxidase, Tween 20 and 40 hydrolysis, acid production from sorbitol and
esculin.
Variable results for lecithinase, Tween 60 and 80 hydrolysis, acid production from starch.
Variable utilization of uridine, trehalose and p-hydroxyphenylacetic acid.
(c) Costin Stoica
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