| Dubosiella newyorkensis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Erysipelotrichia, Order Erysipelothrichales, Family Erysipelotrichaceae, Genus Dubosiella,
Dubosiella newyorkensis Cox et al. 2017, type species of the genus.
Dubosiella newyorkensis Cox et al. 2017, type species of the genus.
Gram-positive, short rods and cocci, appearing singly, in pairs and in chains.
Non-spore-forming. Non-motile.
Non-spore-forming. Non-motile.
Colonies on Brucella agar supplemented with blood are grey-coloured, and grow up
to 0.5mm in 24h and 2-3mm in 48-72h. The organism will grow in MTGE broth, but
not in Brucella broth, chopped meat medium broth or thioglycolate broth. Growth is
optimal at 37 ºC; weak growth occurs at 30 ºC but not at 42 ºC. Strictly anaerobic.
to 0.5mm in 24h and 2-3mm in 48-72h. The organism will grow in MTGE broth, but
not in Brucella broth, chopped meat medium broth or thioglycolate broth. Growth is
optimal at 37 ºC; weak growth occurs at 30 ºC but not at 42 ºC. Strictly anaerobic.
Isolated from murine intestinal contents.
Undetermined.
- Cox LM, Sohn J, Tyrrell KL, Citron DM, Lawson PA, Patel NB, Iizumi T, Perez-Perez GI, Goldstein EJC, Blaser MJ. Description of two
novel members of the family Erysipelotrichaceae: Ileibacterium valens gen. nov., sp. nov. and Dubosiella newyorkensis, gen. nov.,
sp. nov., from the murine intestine, and emendation to the description of Faecalibaculum rodentium. Int J Syst Evol Microbiol
2017; 67:1247-1254.
Positive results for arginine arylamidase, 6-phospho-beta-galactosidase, alpha- and beta-glucosidase, beta-glucuronidase, glycine
arylamidase, histidine arylamidase, leucine arylamidase, leucyl-glycine arylamidase, N-acetyl-alpha-glucosaminidase,
alpha-galactosidase, leucyl-glycine aminopeptidase, glycine arylamidase, phenylalanine arylamidase and proline arylamidase.
Negative results for alanine arylamidase, alkaline phosphatase, alpha-arabinosidase, arginine dihydrolase, arginine arylamidase,
catalase, lipase, glutamyl-glutamic acid, alpha-fucosidase, beta-galactosidase, glutamic acid decarboxylase, indole production,
nitrate reduction, phenylalanine arylamidase, proline arylamidase, serine arylamidase, tyrosine arylamidase and urease.
Variable results for alpha-glucosidase, N-acetyl-beta-glucosaminidase, alpha-galactosidase, pyroglutamic acid arylamidase and
fermentation of D-mannose and raffinose.
arylamidase, histidine arylamidase, leucine arylamidase, leucyl-glycine arylamidase, N-acetyl-alpha-glucosaminidase,
alpha-galactosidase, leucyl-glycine aminopeptidase, glycine arylamidase, phenylalanine arylamidase and proline arylamidase.
Negative results for alanine arylamidase, alkaline phosphatase, alpha-arabinosidase, arginine dihydrolase, arginine arylamidase,
catalase, lipase, glutamyl-glutamic acid, alpha-fucosidase, beta-galactosidase, glutamic acid decarboxylase, indole production,
nitrate reduction, phenylalanine arylamidase, proline arylamidase, serine arylamidase, tyrosine arylamidase and urease.
Variable results for alpha-glucosidase, N-acetyl-beta-glucosaminidase, alpha-galactosidase, pyroglutamic acid arylamidase and
fermentation of D-mannose and raffinose.
(c) Costin Stoica
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