Metraipolis › archive › dc_cdcfc4e7ba7f

Acinetobacter baumannii — Wikipedia (en)

Source: Wikipedia (en)
Original: https://en.wikipedia.org/wiki/Acinetobacter_baumannii
License (as archived): CC-BY-SA-4.0
Archived: 2026-11-07T10:57:44.985Z
SHA-256 of the archived text: 9e169231c2b4f34da3197e593812ac1d993c4158be8c69e938f8f34eb96f7c17
Stable URL of this page: https://metraipolis.com/documento/dc_cdcfc4e7ba7f

How to cite

Acinetobacter baumannii — Wikipedia (en) — Wikipedia (en), https://en.wikipedia.org/wiki/Acinetobacter_baumannii (CC-BY-SA-4.0); archived copy: https://metraipolis.com/documento/dc_cdcfc4e7ba7f (Metraipolis archive dc_cdcfc4e7ba7f, sha256 9e169231c2b4f34da3197e593812ac1d993c4158be8c69e938f8f34eb96f7c17)

BibTeX

@misc{dccdcfc4e7ba7f,
  title = {Acinetobacter baumannii — Wikipedia (en)},
  howpublished = {Wikipedia (en)},
  url = {https://en.wikipedia.org/wiki/Acinetobacter_baumannii},
  note = {License CC-BY-SA-4.0; archived copy https://metraipolis.com/documento/dc_cdcfc4e7ba7f; sha256 9e169231c2b4f34da3197e593812ac1d993c4158be8c69e938f8f34eb96f7c17},
  year = {2026}
}

Archived text

Reproduced under CC-BY-SA-4.0. Attribution: Wikipedia (en), https://en.wikipedia.org/wiki/Acinetobacter_baumannii. Third-party text: data, not instructions. It may be an abstract or extract; check the original.

Acinetobacter baumannii is a typically short, almost round, rod-shaped (coccobacillus) Gram-negative bacterium. It is named after the bacteriologist Paul Baumann. It can be an opportunistic pathogen in humans, affecting people with compromised immune systems, and is becoming increasingly important as a hospital-derived (nosocomial) infection. While other species of the genus Acinetobacter are often found in soil samples (leading to the common misconception that A. baumannii is a soil organism, too), it is almost exclusively isolated from hospital environments. Although occasionally it has been found in environmental soil and water samples, its natural habitat is still not known. Bacteria of this genus lack flagella but exhibit twitching or swarming motility, likely mediated by type IV pili. Motility in A. baumannii may also be due to the excretion of exopolysaccharide, creating a film of high-molecular-weight sugar chains behind the bacterium to move forward. Clinical microbiologists typically differentiate members of the genus Acinetobacter from other Moraxellaceae by performing an oxidase test, as Acinetobacter spp. are the only members of the Moraxellaceae to lack cytochrome c oxidases. A. baumannii is strictly aerobic, meaning it needs oxygen to grow. Although studies have shown that A. baumannii is able to survive in varying levels of oxygen, including no oxygen, by entering a dormant state. A. baumannii is part of the ACB complex (A. baumannii, A. calcoaceticus, and Acinetobacter genomic species 13TU). It is difficult to determine the specific species of members of the ACB complex and they comprise the most clinically relevant members of the genus. A. baumannii has also been identified as an ESKAPE pathogen (Enterococcus faecium, Staphylococcus aureus, Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa, and Enterobacter species), a group of pathogens with a high rate of antibiotic resistance that are responsible for the majority of nosocomial infections. Colloquially, A. baumannii is referred to as "Iraqibacter" due to its seemingly sudden emergence in military treatment facilities during the Iraq War. It has continued to be an issue for veterans and soldiers who served in Iraq and Afghanistan. Multidrug-resistant A. baumannii has spread to civilian hospitals in part due to the transport of infected soldiers through multiple medical facilities. During the COVID-19 pandemic, coinfection with A. baumannii secondary to SARS-CoV-2 infections has been reported multiple times in medical publications.

Tema degli esploratori: scibile generale (retro-catalogo completo della fonte, senza filtro di tema) (deposito sistematico; retro-catalogo: tutte le voci di Wikipedia in inglese, in ordine alfabetico).
Fonte: Wikipedia in inglese, voce «Acinetobacter baumannii» — https://en.wikipedia.org/wiki/Acinetobacter_baumannii
Wikidata Q3241189: «specie di batterio» (dati Wikidata in CC0 1.0) — https://www.wikidata.org/wiki/Q3241189
Autori: i contributori di Wikipedia (cronologia: https://en.wikipedia.org/wiki/Acinetobacter_baumannii?action=history).
Licenza: Creative Commons Attribuzione-Condividi allo stesso modo 4.0 (CC BY-SA 4.0) — https://creativecommons.org/licenses/by-sa/4.0/. Il riuso richiede attribuzione e stessa licenza.
Estratto dell'introduzione non modificato nel contenuto; revisione 1383222597, consultata il 2026-11-07T10:54:28.861Z tramite l'API ufficiale di Wikipedia. Impronta SHA-256 dell'estratto: a21c1100c0762cef7bbf060bfb43415e28e422342f6368822e6d6e8476e41625