Actinobacillus: A genus of PASTEURELLACEAE described as gram-negative, nonsporeforming, nonmotile, facultative anaerobes. Most members are found both as pathogens and commensal organisms in the respiratory, alimentary, and genital tracts of animals.

NIH MeSH · D000188Organisms

Actinobacillus

Definition

A genus of PASTEURELLACEAE described as gram-negative, nonsporeforming, nonmotile, facultative anaerobes. Most members are found both as pathogens and commensal organisms in the respiratory, alimentary, and genital tracts of animals.

MeSH classification

  • B03.440.450.009
  • B03.660.250.550.050

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Related concepts

Actinobacillus equuli

A genus of gram-negative bacteria in the genus ACTINOBACILLUS, which is pathogenic for HORSES and PIGS.

Actinobacillus pleuropneumoniae

A species of gram-negative, facultatively anaerobic coccobacillus-shaped bacteria that has been isolated from pneumonic lesions and blood. I…

Actinobacillus seminis

A species of gram-negative bacteria in the genus ACTINOBACILLUS, which causes EPIDIDYMITIS in SHEEP.

Actinobacillus suis

A species of gram-negative bacteria in the genus ACTINOBACILLUS. It is mainly a pathogen of PIGS, but also can infect HORSES.

Aeromonadaceae

A family of gram-negative facultatively anaerobic bacteria, ubiquitous in fresh and brackish water, and associated with GASTROINTESTINAL DIS…

Aeromonas

A genus of gram-negative, facultatively anaerobic, rod-shaped bacteria that occurs singly, in pairs, or in short chains. Its organisms are f…

Aeromonas caviae

A species of gram-negative, facultatively anaerobic bacteria that is found in domestic and wild animals including birds, and fish. In humans…

Aeromonas hydrophila

A species of gram-negative, facultatively anaerobic, rod-shaped bacteria that may be pathogenic for frogs, fish, and mammals, including man.…

Common questions about Actinobacillus

What does Actinobacillus mean in medicine?
A genus of PASTEURELLACEAE described as gram-negative, nonsporeforming, nonmotile, facultative anaerobes. Most members are found both as pathogens and commensal organisms in the respiratory, alimentary, and genital tracts of animals. This definition is taken from the National Library of Medicine's MeSH (Medical Subject Headings) 2026 release, which is the standard vocabulary used to index PubMed and most medical literature.
Is Actinobacillus known by any other names?
Actinobacillus is the canonical name in the MeSH vocabulary. There are no commonly used alternate names for this concept in the official NIH database.
Where does Actinobacillus sit in the medical classification?
Actinobacillus falls under the broader medical category "Organisms" in the MeSH hierarchy (tree numbers: B03.440.450.009, B03.660.250.550.050). Browsing the related concepts on this page takes you to neighbouring topics in the same branch of medicine.
Where can I get a plain-language explanation of Actinobacillus?
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Source: NIH MeSH 2026 (D000188) — National Library of Medicine, public domain. View official MeSH record ↗