| Trueperella bernardiae |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Actinobacteria, Class Actinobacteria, Subclass Actibacteridae, Order Actynomycetales, Suborder Actinomycinae, Family
Actinomycetaceae, Genus Trueperella, Trueperella bernardiae (Funke et al. 1995) Yassin, Hupfer, Siering and Schumann, 2011.
Historical synonym: CDC coryneform group 2, Actinomyces bernardiae Funke et al.1995; Arcanobacterium bernardiae (Funke et al.
1995) Pascual Ramos, Foster and Collins, 1997.
Actinomycetaceae, Genus Trueperella, Trueperella bernardiae (Funke et al. 1995) Yassin, Hupfer, Siering and Schumann, 2011.
Historical synonym: CDC coryneform group 2, Actinomyces bernardiae Funke et al.1995; Arcanobacterium bernardiae (Funke et al.
1995) Pascual Ramos, Foster and Collins, 1997.
Gram-positive coccobacilli and short rods, arranged in clusters sometimes.
Non-motile. Non-spore-forming. Mycolic acids are not present.
Non-motile. Non-spore-forming. Mycolic acids are not present.
Colonies are smooth, slightly convex with a glassy appearance, 0.2-0.5 mm in diameter
after 48 h of incubation, 5% CO2, on sheep blood agar. CAMP test is negative. Grows at
37 ºC. Facultatively anaerobic.
after 48 h of incubation, 5% CO2, on sheep blood agar. CAMP test is negative. Grows at
37 ºC. Facultatively anaerobic.
Isolated from human clinical samples.
Isolated from various human clinical sources, with blood and abscesses predominating.
- Pascual Ramos C., Foster G. and Collins M. D., 1997. Phylogenetic analysis of the genus Actinomyces based on 16s rRNA gene
sequences: description of Arcanobacteriurn phocae sp. nov., Arcanobacterium bernardiae comb. nov., and Arcanobacterium
pyogenes comb. nov. Int. J. Syst. Bacteriol. Vol. 47, No. 1, 46-53. - Yassin A.F., Hupfer H., Siering C. and Schumann P., 2011. Comparative chemotaxonomic and phylogenetic studies on the genus
Arcanobacterium Collins et al. 1982 emend. Lehnen et al. 2006: proposal for Trueperella gen. nov. and emended description of
the genus Arcanobacterium. Int. J. Syst. Evol. Microbiol., 2011, 61, 1265-1274. - Funke G., von Graevenitz A., Clarridge III J.E., and Bernard K.A., 1997. Clinical Microbiology of Coryneform Bacteria. Clinical
Microbiology Rewiews Vol. 10, No. 1, p. 125-159.
Positive results for alpha-glucosidase, N-acetyl-beta-glucosaminidase, leucine
arylamidase, pyrazinamidase, acid production from: adonitol, D-arabitol, glycerol,
glycogen (most strains), 5-keto-gluconate, maltose, starch & xylitol.
Negative results for acid phosphatase, arginine dihydrolase, catalase, esculin hydrolysis, esterase-lipase C8, alpha-fucosidase,
gelatin hydrolysis, hippurate hydrolysis, lipophilism, alpha-mannosidase, alpha- and beta-galactosidase, beta-glucosidase,
beta-glucuronidase, nitrate reduction, pyrrolidonyl arylamidase, trypsin, chymotrypsin, urease, Voges-Proskauer test, acid production
from: L-arabinose, arbutin, amygdalin, cellobiose, D-fructose, 2-keto-gluconate, lactose, mannose, mannitol, raffinose, L-rhamnose,
salicin, D-sorbitol, sucrose & trehalose.
Variable results for alkaline phosphatase, acid production from: L-arabitol, erythritol, D-glucose, D-ribose & D-xylose.
arylamidase, pyrazinamidase, acid production from: adonitol, D-arabitol, glycerol,
glycogen (most strains), 5-keto-gluconate, maltose, starch & xylitol.
Negative results for acid phosphatase, arginine dihydrolase, catalase, esculin hydrolysis, esterase-lipase C8, alpha-fucosidase,
gelatin hydrolysis, hippurate hydrolysis, lipophilism, alpha-mannosidase, alpha- and beta-galactosidase, beta-glucosidase,
beta-glucuronidase, nitrate reduction, pyrrolidonyl arylamidase, trypsin, chymotrypsin, urease, Voges-Proskauer test, acid production
from: L-arabinose, arbutin, amygdalin, cellobiose, D-fructose, 2-keto-gluconate, lactose, mannose, mannitol, raffinose, L-rhamnose,
salicin, D-sorbitol, sucrose & trehalose.
Variable results for alkaline phosphatase, acid production from: L-arabitol, erythritol, D-glucose, D-ribose & D-xylose.
(c) Costin Stoica
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