Differential characters between R. dentocariosa type species and genomovar II (R. aeria):
 
Ribose
fermentation
Salicin
utilization
L-malic
acid
utilization
Succinic acid
utilization
3-methyl glucose
utilization
Methyl alpha- and
beta-D-glucoside
utilization
D-psicose
utilization
Pyruvic acid
utilization
R. dentocariosa
type strain
+
-
+
+
-
-
-
w
R. dentocariosa
genomovar II (R. aeria)
-
+
-
-
w
+
w
-
Legend: +  positive, - negative, w weakly positive.
Rothia aeria
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Actinomycetota, Class Actinomycetes, Order Micrococcales, Family Micrococcaceae, Genus Rothia, Rothia aeria Li et al. 2004.

Includes strains from
Rothia dentocariosa genomovar II.
Gram-positive, coccoid, cocco-bacillary or filamentous cells. Non-spore-forming.
Non-motile. Non-acid-fast.
Young colonies are creamy white and smooth. Mature colonies are rough, dry, folded
and convex and adhere to the agar. Growth occurs on BHIA at 30 ºC. Aerobic.
Initially isolated from Russian space laboratory, Mir air sample.
Can colonize human oral cavity, but has also been identified in duodenal biopsy as a colonizer of the upper gastrointestinal tract.
Has been involved in endocarditis, abscesses, lung infection or neonatal sepsis.
  1. Li Y, Kawamura Y, Fujiwara N, Naka T, Liu H, Huang X, Kobayashi K, Ezaki T. Rothia aeria sp. nov., Rhodococcus baikonurensis sp.
    nov. and Arthrobacter russicus sp. nov., isolated from air in the Russian space laboratory Mir. Int J Syst Evol Microbiol 2004; 54:827-
    835.
  2. Hans-Jurgen Busse, 2012. Family I. Micrococcaceae Pribham 1929, 361 AL emend. Stackebrandt, Rainey and Ward-Rainey 1997,
    479 in: Bergey’s Manual of Systematic Bacteriology,  second edition, Volume Five The Actinobacteria, Part A, Springer, 571-666.
  3. Nicodemo, A.c., Gonçalves, L.g., Odongo, F.c.a., Martino, M.d.v., Sampaio, J.l.m., 2014. Rothia aeria endocarditis in a patient with a
    bicuspid aortic valve: case report. Braz. J. Infect. Dis. 18 (5), 561–564.
Positive results for catalase and beta-glucosidase.
Can utilize arbutin, dextrin, D-fructose, alpha-hydroxybutyric acid, L-lactic acid, maltose, maltotriose, D-mannose, D-melezitose,
3-methyl glucose, glycerol, methyl-alpha-D-glucoside, alpha-D-glucose, methyl-beta-D-glucoside, palatinose, D-psicose, salicin,
sucrose, D-trehalose, and turanose.

Negative results for alkaline phosphatase and acid production from ribose.
No utilization of  acetic acid, N-acetyl D-glucosamine, N-acetyl L-glutamic acid, N-acetyl D-mannosamine, adenosine, adenosine
5'-monophosphate, alaninamide, L- and D-alanine, L-alanyl glycine, amygdalin, L-arabinose, D-arabitol, L-asparagine,
2,3-butanediol, cellobiose, alpha- and beta-cyclodextrin, 2'-deoxyadenosine, l-fructose, fructose 6-phosphate, D-galactose,
D-galacturonic acid, gentiobiose, D-gluconic acid, glucose 1-phosphate, glucose 6-phosphate, L-glutamic acid, DL-alpha-glycerol
phosphate, glycogen, glycyl L-glutamic acid, beta-hydroxybutyric acid, gamma-hydroxybutyric acid, p-hydroxyphenyl acetic acid,
m-inositol, inosine, inulin, alpha-ketoglutaric acid, alpha-ketovaleric acid, D-lactic acid methyl ester, lactamide, alpha-D-lactose,
lactulose, D- and L-malic acid, D-mannitol, D-melibiose, methyl alpha-D-galactoside, methyl-beta-D-galactoside,
methyl-alpha-D-mannoside,  methyl pyruvate, mannan, monomethyl succinate, propionic acid, l-pyroglutamic acid, pyruvic acid,
putrescine, D-raffinose, L-rhamnose, D-ribose, sedoheptulosan, L-serine, D-sorbitol, stachyose, succinamic acid, succinic acid,
D-tagatose, thymidine, thymidine 5'-monophosphate, Tween 40 or 80, uridine, uridine 5'-monophosphate, xylitol, and D-xylose.
(c) Costin Stoica
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