Aeromonadalesord. nov.

  • Amy Martin-Carnahan
  • Samuel W. Joseph


The order Aeromonadales, which contains a single family, Aeromonadaceae, with the Aeromonas, is herein proposed. Gram-negative, straight, rigid rods. Facultatively anaerobic; oxidase positive with rare exceptions and catalase positive. Includes motile (single, polar flagellum) and nonmotile species, as well as mesophilic and psychrophilic species. Primarily aquatic inhabitants of freshwater, marine, and especially estuarine environments, often associated with aquatic animals. Some species are either primary or opportunistic pathogens in humans, as well as a variety of other warm-blooded and cold-blooded animals and invertebrates.


Sheep Blood Agar Hybridization Group Arginine Dihydrolase Aeromonas Species Descriptive Test 
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Further Reading

  1. Altwegg, M. and H.K. Geiss. 1989. Aeromonas as a human pathogen. Crit. Rev. Microbiol. 16: 253–286.PubMedCrossRefGoogle Scholar
  2. Austin, B., M. Altwegg, P.J. Gosling and S. Joseph (Editors). 1986. The Genus Aeromonas, John Wiley & Sons, Ltd., Chichester.Google Scholar
  3. Altwegg, M. 1999. In Murray, Baron, Pfaller, Tenover and Yolken (Editors), Manual of Clinical Microbiology, ASM Press, Washington, D.C. 507–516.Google Scholar
  4. Janda, J.M. and S.L. Abbott. 1998. Evolving concepts regarding the genus Aeromonas: an expanding panorama of species, disease presentations, and unanswered questions. Clin. Infect. Dis. 27: 332–344.PubMedCrossRefGoogle Scholar
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Further Reading

  1. Bryant, M.P. and N. Small. 1956. Characteristics of two new genera of anaerobic curved rods isolated from the rumen of cattle. J. Bacteriol. 72: 22–26.PubMedGoogle Scholar
  2. Porschen, R.K. and P. Chan. 1977. Anaerobic vibrio-like organisms cultured from blood: Desulfovibrio desulfuricans and Succinivibrio species. J. Clin. Microbiol. 5: 444–447.PubMedGoogle Scholar

Further Reading

  1. Blackburn, T.H. and P.N. Hobson. 1962. Further studies on the isolation of proteolytic bacteria from sheep rumen. J. Gen. Microbiol. 29: 69–81.PubMedGoogle Scholar
  2. Cato, E.P., W.E.C. Moore and M.P. Bryant. 1978. Designation of neotype strains for Bacteroides amylophilus Hamlina and Hungate 1956 and Bacteroides succinogenes Hungate 1950. Int. J.Syst. Bacteriol. 28: 491–495.CrossRefGoogle Scholar
  3. Miura, H., M. Horiguchi and T. Matsumoto. 1980. Nutritional interdependence among rumen bacteria, Bacteroides amylophilus, Megasphaera elsdenii and Ruminococcus albus. Appl. Environ. Microbiol. 40: 294–300.PubMedGoogle Scholar
  4. Stackebrandt, E. and H. Hippe. 1986. Transfer of Bacteroides amylophilus to a new genus Ruminobacter gen. nov., nom. rev. as Ruminobacter amylophilus comb. nov. Syst. Appl. Microbiol. 8: 204–207.Google Scholar

Further Reading

  1. Bryant, M.P., N. Small, C. Bouma and H. Chu. 1958. Bacteroides ruminicola, sp. nov. and Succinimonas amylolytica, gen. nov., species of succinic acid-producing anaerobic bacteria of the bovine rume. J. Bacteriol. 76: 15–23.PubMedGoogle Scholar
  2. Bryant, M.P. and I.M. Robinson. 1962. Some nutritional characteristics of predominant culturable ruminal bacteria. J. Bacteriol. 84: 605–614.PubMedGoogle Scholar

Copyright information

© Springer 2005

Authors and Affiliations

  • Amy Martin-Carnahan
    • 1
  • Samuel W. Joseph
    • 2
  1. 1.Dept. of Epidemiology and Preventive MedicineUniversity of Maryland School of MedicineBaltimoreUSA
  2. 2.Microbiology DepartmentUniversity of MarylandCollege ParkUSA

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