| Pluralibacter pyrinus |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Gammaproteobacteria, Order Enterobacteriales, Family Enterobacteriaceae, Genus Pluralibacter,
Pluralibacter pyrinus (Chung et al. 1993) Brady et al. 2013.
Old synonym: Enterobacter pyrinus Chung et al. 1993.
Pluralibacter pyrinus (Chung et al. 1993) Brady et al. 2013.
Old synonym: Enterobacter pyrinus Chung et al. 1993.
Gram-negative, straight, bacilli, 0.6-1.0 x 1.2-3.0 µm. Motile by peritrichous flagella.
Colonies on nutrient agar are circular, entire, convex, smooth, translucent, and 1.5 -
5.0 mm in diameter after 48 h of incubation at 27 ºC. Growth occurs at 36 ºC and in
the presence of 5% (w/v) NaCl. Facultatively anaerobic. Grows on simple media and
on selective media for Enterobacteriaceae. Can grow in KCN broth.
5.0 mm in diameter after 48 h of incubation at 27 ºC. Growth occurs at 36 ºC and in
the presence of 5% (w/v) NaCl. Facultatively anaerobic. Grows on simple media and
on selective media for Enterobacteriaceae. Can grow in KCN broth.
Isolated from brown leaf spot lesions on pear trees in Korea. Resistant to erythromycin.
Associated with brown leaf spot disease of pear trees.
- Brady C, Cleenwerck I, Venter S, Coutinho T, De Vos P. Taxonomic evaluation of the genus Enterobacter based on multilocus
sequence analysis (MLSA): proposal to reclassify E. nimipressuralis and E. amnigenus into Lelliottia gen. nov. as Lelliottia
nimipressuralis comb. nov. and Lelliottia amnigena comb. nov., respectively, E. gergoviae and E. pyrinus into Pluralibacter gen.
nov. as Pluralibacter gergoviae comb. nov. and Pluralibacter pyrinus comb. nov., respectively, E. cowanii, E. radicincitans, E.
oryzae and E. arachidis into Kosakonia gen. nov. as Kosakonia cowanii comb. nov., Kosakonia radicincitans comb. nov.,
Kosakonia oryzae comb. nov. and Kosakonia arachidis comb. nov., respectively, and E. turicensis, E. helveticus and E. pulveris
into Cronobacter as Cronobacter zurichensis nom. nov., Cronobacter helveticus comb. nov. and Cronobacter pulveris comb. nov.,
respectively, and emended description of the genera Enterobacter and Cronobacter. Syst Appl Microbiol 2013; 36:309-319. - Chung YR, Brenner DJ, Steigerwalt AG, Kim BS, Kim HT, Cho KY. Enterobacter pyrinus sp. nov., an organism associated with
brown leaf spot disease of pear trees. Int. J. Syst. Bacteriol. 1993; 43:157-161. - 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.
Positive results for catalase, esculin hydrolysis, H2S production, malonate utilization, nitrate reduction, ONPG, ornithine
decarboxylase, tartrate utilization, urease, Voges-Proskauer test, acid production from L-arabinose, D-arabitol, cellobiose, esculin,
glycerol, glucose (with gas), myo-inositol, mannitol, maltose, mannose, melibiose, rhamnose, ribose, salicin, sucrose, trehalose
and D-xylose.
Negative results for arginine dihydrolase, casein hydrolysis, DNase, gelatin hydrolysis, indole production, lipase, methyl red test,
phenylalanine deaminase, oxidase, L-tartrate utilization, acid production from adonitol, dulcitol, dextrin, inulin, lactose,
alpha-methyl-D-glucoside, melezitose, palatinose, raffinose, starch, and D-sorbitol.
Variable results for lysine decarboxylase and citrate utilization (admin note: contradictory results among authors).
decarboxylase, tartrate utilization, urease, Voges-Proskauer test, acid production from L-arabinose, D-arabitol, cellobiose, esculin,
glycerol, glucose (with gas), myo-inositol, mannitol, maltose, mannose, melibiose, rhamnose, ribose, salicin, sucrose, trehalose
and D-xylose.
Negative results for arginine dihydrolase, casein hydrolysis, DNase, gelatin hydrolysis, indole production, lipase, methyl red test,
phenylalanine deaminase, oxidase, L-tartrate utilization, acid production from adonitol, dulcitol, dextrin, inulin, lactose,
alpha-methyl-D-glucoside, melezitose, palatinose, raffinose, starch, and D-sorbitol.
Variable results for lysine decarboxylase and citrate utilization (admin note: contradictory results among authors).
(c) Costin Stoica
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