| Genus Leminorella |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Gammaproteobacteria, Order Enterobacterales, Family Budviciaceae, Genus Leminorella,
- Leminorella grimontii Hickman-Brenner et al. 1985 - type species of the genus;
- Leminorella richardii Hickman-Brenner et al. 1985.
- Leminorella grimontii Hickman-Brenner et al. 1985 - type species of the genus;
- Leminorella richardii Hickman-Brenner et al. 1985.
Gram-negative, straight rods. Non-motile at 36 ºC and 25 ºC.
Small, S-type, non-pigmented colonies. No special growth requirements. Facultatively
anaerobic, growth temperature 30-37 ºC. Grows on media: Nutrient agar or nutrient
broth; Trypticase Soy Agar ± 5% sheep blood; MacConkey agar, Mueller-Hinton agar.
anaerobic, growth temperature 30-37 ºC. Grows on media: Nutrient agar or nutrient
broth; Trypticase Soy Agar ± 5% sheep blood; MacConkey agar, Mueller-Hinton agar.
Isolated from environmental (soil, water) and clinical specimens (urine & stools of humans & animals). Resistant to streptomycin,
penicillin, ampicillin, carbenicillin, & cephalothin.
penicillin, ampicillin, carbenicillin, & cephalothin.
Unknown clinical significance. There is no evidence that strains cause diarrhea or intestinal infections.
Some strains may agglutinate with Salmonella antisera.
Some strains may agglutinate with Salmonella antisera.
- J. G. Holt et al., 1994. Facultatively Anaerobic Gram-Negative Rods. Subgroup 1. Family Enterobacteriaceae. In: Begey’s Manual of
Determinative Bacteriology, 9th-edition, Williams & Wilkins, pp 175-189. - 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. - Hickman-Brenner F.W. et al.: Leminorella, a new genus of Enterobacteriaceae: identification of Leminorella grimontii sp. nov. and
Leminorella richardii sp. nov. found in clinical specimens. J. Clin. Microbiol., 1985, 21,234-239. - Adeolu M, Alnajar S, Naushad S, S Gupta R. Genome-based phylogeny and taxonomy of the 'Enterobacteriales': proposal for
Enterobacterales ord. nov. divided into the families Enterobacteriaceae, Erwiniaceae fam. nov., Pectobacteriaceae fam. nov.,
Yersiniaceae fam. nov., Hafniaceae fam. nov., Morganellaceae fam. nov., and Budviciaceae fam. nov. Int J Syst Evol Microbiol
2016; 66:5575-5599.
Positive results for H2S production, tyrosine hydrolysis, nitrate reduction,
acid production from: L-arabinose, D-glucose, L-tartrate and D-xylose.
Negative results for indole production, Voges-Proskauer, urea hydrolysis, phenylalanine deaminase, lysine decarboxylase, arginine
dihydrolase, ornithine decarboxylase, growth in the presence of KCN, malonate utilization, esculin hydrolysis, gelatin hydrolysis,
lipase, DN-ase, acid production from: lactose, sucrose, D-mannitol, salicin, adonitol, myo-inositol, D-sorbitol, raffinose, L-rhamnose,
maltose, trehalose, cellobiose, alpha-methyl-D-glucoside, erythritol, melibiose, D-arabitol, glycerol, D-mannose and D-galactose.
Leminorella richardii can be distinguished from L. grimontii by methyl red, dulcitol fermentation and citrate utilization negative tests.
acid production from: L-arabinose, D-glucose, L-tartrate and D-xylose.
Negative results for indole production, Voges-Proskauer, urea hydrolysis, phenylalanine deaminase, lysine decarboxylase, arginine
dihydrolase, ornithine decarboxylase, growth in the presence of KCN, malonate utilization, esculin hydrolysis, gelatin hydrolysis,
lipase, DN-ase, acid production from: lactose, sucrose, D-mannitol, salicin, adonitol, myo-inositol, D-sorbitol, raffinose, L-rhamnose,
maltose, trehalose, cellobiose, alpha-methyl-D-glucoside, erythritol, melibiose, D-arabitol, glycerol, D-mannose and D-galactose.
Leminorella richardii can be distinguished from L. grimontii by methyl red, dulcitol fermentation and citrate utilization negative tests.
(c) Costin Stoica
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