| Xenorhabdus szentirmaii |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Gammaproteobacteria, Order Enterobacteriales, Family Morganellaceae, Genus Xenorhabdus,
Xenorhabdus szentirmaii Lengyel et al. 2005.
Xenorhabdus szentirmaii Lengyel et al. 2005.
Gram-negative rods, 3.8-4.6 x 0.84-1.06 µm.
Colonies on nutrient agar are circular, convex, undulate, granular, and brownish, 2.5-3
mm in diameter after 3 days at 28 ºC; on NBTA colonies are blue. Maximum growth
temperature: 35 ºC in NB and 39 ºC in TSB.
mm in diameter after 3 days at 28 ºC; on NBTA colonies are blue. Maximum growth
temperature: 35 ºC in NB and 39 ºC in TSB.
Isolated from Steinernema rarum, Cordoba, Argentina.
Undetermined.
- Lengyel K, Lang E, Fodor A, Szallas E, Schumann P, Stackebrandt E. Description of four novel species of Xenorhabdus, family
Enterobacteriaceae: Xenorhabdus budapestensis sp. nov., Xenorhabdus ehlersii sp. nov., Xenorhabdus innexi sp. nov., and
Xenorhabdus szentirmaii sp. nov. Syst Appl Microbiol 2005; 28:115-122. - Tailliez P, Pages S, Ginibre N, Boemare N. New insight into diversity in the genus Xenorhabdus, including the description of ten
novel species. Int J Syst Evol Microbiol 2006; 56:2805-2818.
Positive results for citrate utilization, DNAse, esculin hydrolysis, gelatin hydrolysis, lecithinase and Tween 20, 40, and 60 hydrolysis,
acid production from esculin, fructose, glucose, glycerol, mannose, and N-acetylglucosamine.
Can utilize (API 20 NE) glycerol, glucose, mannose, N-acetyl-glucosamine, maltose, inositol, gluconate, malate, and citrate. No
utilization of fructose.
Can utilize (Biolog GN) Tween 80, N-acetyl-D-glucosamine, D-fructose, maltose, D-mannose,mono-methyl succinate (weak),
cis-aconitic acid, citric acid (weak), D,L lactic acid, bromo-succinic acid, L-alanyl-glycine, L-alanine, glycyl-L-aspartic acid,
glycyl-L-glutamic acid, L-proline, uridine, thymidine, glucose-1-phosphate (weak), dextrin, alpha-D-glucose, D-trehalose,
methyl-pyruvate, succinic acid, L-aspartic acid, L-asparagine, L-glutamic acid, L-serine, glycerol, DL-alpha-glycerol phosphate,
inosine and glucose-6-phosphate. All the other Biolog GN tests are negative.
Negative results for indole production, nitrate reduction starch hydrolysis, Tween 80 hydrolysis, phenylalanine deaminase,
phosphatase, acid production from gluconate, maltose, D-fructose, or trehalose. According to the API 50CH kit the majority of
fermentation tests were negative and they were therefore not shown in the original paper.
Variable results for acid production from inositol, sorbitol and ribose.
acid production from esculin, fructose, glucose, glycerol, mannose, and N-acetylglucosamine.
Can utilize (API 20 NE) glycerol, glucose, mannose, N-acetyl-glucosamine, maltose, inositol, gluconate, malate, and citrate. No
utilization of fructose.
Can utilize (Biolog GN) Tween 80, N-acetyl-D-glucosamine, D-fructose, maltose, D-mannose,mono-methyl succinate (weak),
cis-aconitic acid, citric acid (weak), D,L lactic acid, bromo-succinic acid, L-alanyl-glycine, L-alanine, glycyl-L-aspartic acid,
glycyl-L-glutamic acid, L-proline, uridine, thymidine, glucose-1-phosphate (weak), dextrin, alpha-D-glucose, D-trehalose,
methyl-pyruvate, succinic acid, L-aspartic acid, L-asparagine, L-glutamic acid, L-serine, glycerol, DL-alpha-glycerol phosphate,
inosine and glucose-6-phosphate. All the other Biolog GN tests are negative.
Negative results for indole production, nitrate reduction starch hydrolysis, Tween 80 hydrolysis, phenylalanine deaminase,
phosphatase, acid production from gluconate, maltose, D-fructose, or trehalose. According to the API 50CH kit the majority of
fermentation tests were negative and they were therefore not shown in the original paper.
Variable results for acid production from inositol, sorbitol and ribose.
(c) Costin Stoica
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