| Arcobacter suis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Epsilonproteobacteria, Order Campylobacterales, Family Arcobacteraceae, Genus
Arcobacter, Arcobacter suis Levican et al. 2013.
Species description is based on a single isolate.
Synonym: Pseudarcobacter suis corrig. (Levican et al. 2013) Perez-Cataluna et al. 2019.
Arcobacter, Arcobacter suis Levican et al. 2013.
Species description is based on a single isolate.
Synonym: Pseudarcobacter suis corrig. (Levican et al. 2013) Perez-Cataluna et al. 2019.
Gram-negative, slightly curved rods, 0.3-0.6 x 1.2-2.1 μm. Some cells have a filamentous form up to 7 μm long. Motile by a single
polar flagellum. Non-spore-forming. Non-encapsulated.
polar flagellum. Non-spore-forming. Non-encapsulated.
Colonies on blood agar incubated under aerobic conditions at 30 ºC for 48-72 h are
1-3 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) and 30 ºC under aerobic or microaerobic conditions with no
significant differences. No growth at 37 ºC or 42 ºC or under anaerobic conditions at
30 ºC. No haemolysis is observed on TSA + 5% sheep blood. Under aerobic
conditions at 30 ºC, grows on minimal medium and MacConkey agar but not on
Marine agar or CCDA. It is able to grow on nutrient medium supplemented with 5%
sheep blood, also containing 0.5% (w/v) NaCl, 0.005% basic fuchsine or 0.1%
sodium deoxycholate. No growth occurs on nutrient medium supplemented with 5%
sheep blood also containing 2-4% (w/v) NaCl; 1% glycine; 1% oxgall; 0.04-0.1%TTC;
0.001% brilliant green; 0.05% safranin; 0.0005 %crystal violet or 64 mg / l
cefoperazone.
1-3 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) and 30 ºC under aerobic or microaerobic conditions with no
significant differences. No growth at 37 ºC or 42 ºC or under anaerobic conditions at
30 ºC. No haemolysis is observed on TSA + 5% sheep blood. Under aerobic
conditions at 30 ºC, grows on minimal medium and MacConkey agar but not on
Marine agar or CCDA. It is able to grow on nutrient medium supplemented with 5%
sheep blood, also containing 0.5% (w/v) NaCl, 0.005% basic fuchsine or 0.1%
sodium deoxycholate. No growth occurs on nutrient medium supplemented with 5%
sheep blood also containing 2-4% (w/v) NaCl; 1% glycine; 1% oxgall; 0.04-0.1%TTC;
0.001% brilliant green; 0.05% safranin; 0.0005 %crystal violet or 64 mg / l
cefoperazone.
Isolated from pork meat in Catalonia, Spain. Possibly from carrot wash water in Germany, and biodegraded oil in Canada.
Undetermined.
- Levican A, Collado L, Figueras MJ. Arcobacter cloacae sp. nov. and Arcobacter suis sp. nov., two new species isolated from food
and sewage. Syst Appl Microbiol 2013; 36:22-27.
Positive results for catalase, indoxyl acetate hydrolysis, nitrate reduction and oxidase.
Negative results for amylase, casein hydrolysis, H2S production on TSI, lecithinase and urease.
Negative results for amylase, casein hydrolysis, H2S production on TSI, lecithinase and urease.
(c) Costin Stoica
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