| Arcobacter aquimarinus |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Epsilonproteobacteria, Order Campylobacterales, Family Arcobacteraceae, Genus
Arcobacter, Arcobacter aquimarinus Levican et al. 2015.
Species description is based on a single isolate.
Synonym: Pseudoarcobacter aquimarinus corrig. (Levican et al. 2015) Perez-Cataluna et al. 2019.
Arcobacter, Arcobacter aquimarinus Levican et al. 2015.
Species description is based on a single isolate.
Synonym: Pseudoarcobacter aquimarinus corrig. (Levican et al. 2015) Perez-Cataluna et al. 2019.
Gram-negative, slightly curved rods, 0.4-0.6 x 1.0-2.0 μm. Motile by a single polar flagellum. Non-spore-forming. Non-encapsulated.
Colonies on blood agar incubated in aerobic conditions at 30 ºC for 48 h are 2-4 mm
in diameter, beige to off-white, circular with entire margins, convex, and non-
swarming. Pigments are not produced. Grows on blood agar at room temperature
(18-22 ºC), 30 ºC or 37 ºC under both aerobic and microaerobic conditions, and at 30
ºC under anaerobic conditions. No growth is observed under any incubation
conditions at 42 ºC. No haemolysis is observed on TSA medium + 5% sheep blood.
Under aerobic conditions at 30 ºC grows on Marine Agar, CCDA and on nutrient
medium + 5% sheep blood also containing 0.5-2% (w/v) NaCl; 0.1% sodium
deoxycholate; 1% oxgall; 0.01% TTC, 0.05% safranin; 0.0005% crystal violet or
0.001% brilliant green. No growth occurs on minimal medium, MacConkey agar and
on nutrient medium + 5% sheep blood containing 4% (w/v) NaCl; 1% glycine; 0.04–
0.1% TTC; 64 mg / l cefoperazone or 0.005% basic fuchsine.
in diameter, beige to off-white, circular with entire margins, convex, and non-
swarming. Pigments are not produced. Grows on blood agar at room temperature
(18-22 ºC), 30 ºC or 37 ºC under both aerobic and microaerobic conditions, and at 30
ºC under anaerobic conditions. No growth is observed under any incubation
conditions at 42 ºC. No haemolysis is observed on TSA medium + 5% sheep blood.
Under aerobic conditions at 30 ºC grows on Marine Agar, CCDA and on nutrient
medium + 5% sheep blood also containing 0.5-2% (w/v) NaCl; 0.1% sodium
deoxycholate; 1% oxgall; 0.01% TTC, 0.05% safranin; 0.0005% crystal violet or
0.001% brilliant green. No growth occurs on minimal medium, MacConkey agar and
on nutrient medium + 5% sheep blood containing 4% (w/v) NaCl; 1% glycine; 0.04–
0.1% TTC; 64 mg / l cefoperazone or 0.005% basic fuchsine.
Isolated from a water sample collected from the Mediterranean Sea at the Garraf beach, Catalonia, Spain.
Undetermined.
- Levican A, Rubio-Arcos S, Martinez-Murcia A, Collado L, Figueras MJ. Arcobacter ebronensis sp. nov. and Arcobacter aquimarinus
sp. nov., two new species isolated from marine environment. Syst Appl Microbiol 2015; 38:30-35.
Positive results for catalase, indoxyl acetate hydrolysis, nitrate reduction and oxidase.
Negative results for amylase, casein hydrolysis, H2S production on TSI, lecithinase, urease and acid production from glucose.
Negative results for amylase, casein hydrolysis, H2S production on TSI, lecithinase, urease and acid production from glucose.
(c) Costin Stoica
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