| Photorhabdus heterorhabditis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Gammaproteobacteria, Order Enterobacteriales, Family Morganellaceae, Genus Photorhabdus,
Photorhabdus heterorhabditis Ferreira et al. 2014.
Photorhabdus heterorhabditis Ferreira et al. 2014.
Gram-negative rods, 0.9-2.0 x 4.5-10.4 µm.
Colonies on NBTA are blue or blue-green, and 1-3 mm in diameter.
Growth temperature range is 24-42 ºC in nutrient broth and 24-35 ºC in TSB.
Luminescence is produced. Complete haemolysis is produced on sheep and
horse blood agar. Can grow on MacConkey agar. Aerobic growth conditions are
preferred.
Growth temperature range is 24-42 ºC in nutrient broth and 24-35 ºC in TSB.
Luminescence is produced. Complete haemolysis is produced on sheep and
horse blood agar. Can grow on MacConkey agar. Aerobic growth conditions are
preferred.
Isolated from the nematode Heterorhabditis zealandica collected in South Africa.
Undetermined.
- Ferreira T, van Reenen CA, Endo A, Tailliez P, Pages S, Sproer C, Malan AP, Dicks LM. Photorhabdus heterorhabditis sp. nov., a
symbiont of the entomopathogenic nematode Heterorhabditis zealandica. Int J Syst Evol Microbiol 2014; 64:1540-1545.
Positive results for catalase, DNase, esculin hydrolysis, gelatin hydrolysis, lecithinase, lipase, urease acid production from N-
acetylglucosamine, D-fructose, D-glucose, glycerol, gluconate (weakly), inositol (weakly), maltose, D-mannose D-ribose (weakly),
salicn (weakly), and D-xylose.
Can assimilate glucose, mannose, N-acetylglucosamine, maltose and gluconate.
Can assimilate on Biolog GN2 microplate N-acetyl-D-glucosamine, N-acetyl-D-galactosamine, Tween 40, Tween 80, D-fructose,
alpha-D-glucose, D-glucuronic acid, D-mannose, pyruvic acid methyl ester, succinic acid monomethyl ester, acetic acid, D-gluconic
acid, p-hydroxyphenylacetic acid, L-alanyl glycine, glycyl L-aspartic acid, glycyl L-glutamic acid, D- and L-serine, inosine, uridine,
thymidine, glycerol and DL-aglycerol phosphate. Variable or weak utilization of glutamic acid, citric acid, D-alanine and gamma-
aminobutyric acid.
Negative results for nitrate reduction, oxidase, acid production from D-arabinose, L-fucose, D-sorbitol, trehalose, and xylitol.
No assimilation of malic acid and trisodium citrate.
Variable results for beta-galactosidase.
acetylglucosamine, D-fructose, D-glucose, glycerol, gluconate (weakly), inositol (weakly), maltose, D-mannose D-ribose (weakly),
salicn (weakly), and D-xylose.
Can assimilate glucose, mannose, N-acetylglucosamine, maltose and gluconate.
Can assimilate on Biolog GN2 microplate N-acetyl-D-glucosamine, N-acetyl-D-galactosamine, Tween 40, Tween 80, D-fructose,
alpha-D-glucose, D-glucuronic acid, D-mannose, pyruvic acid methyl ester, succinic acid monomethyl ester, acetic acid, D-gluconic
acid, p-hydroxyphenylacetic acid, L-alanyl glycine, glycyl L-aspartic acid, glycyl L-glutamic acid, D- and L-serine, inosine, uridine,
thymidine, glycerol and DL-aglycerol phosphate. Variable or weak utilization of glutamic acid, citric acid, D-alanine and gamma-
aminobutyric acid.
Negative results for nitrate reduction, oxidase, acid production from D-arabinose, L-fucose, D-sorbitol, trehalose, and xylitol.
No assimilation of malic acid and trisodium citrate.
Variable results for beta-galactosidase.
(c) Costin Stoica
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