Bacillus: Difference between revisions

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Bacillus
(Created page with "{| class="wikitable" ! Species ! Disease |- | Bacillus anthracis | anthrax |- | Bacillus cereus | food poisoning, central line infections |} {{DISPLAYTITLE:''Bacillus...")
 
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== Background ==

=== Microbiology ===

* Genus of non-branching, catalase [[Catalase::positive]] [[Gram stain::Gram-positive]] [[Shape::bacillus|bacilli]]
* Often over-decolorized

=== Identification ===
{| class="wikitable"
{| class="wikitable"
!Organism
! Species
!Width >1 μm
! Disease
!Wide Zone Lecithinase
!Spores Swell Sporangium
!VP Test
!Ferments Mannitol
!Ferments Xylose
!Anaerobic Growth
|-
|-
| [[Bacillus anthracis]]
|[[Bacillus anthracis]]
| anthrax
| +
| +
|–
| +
|–
|–
| +
|-
|-
| [[Bacillus cereus]]
|[[Bacillus cereus]]
| +
| food poisoning, central line infections
| +
|–
| +
|–
|–
| +
|-
|[[Bacillus subtilis]]
|–
|–
|–
| +
| +
| +
|–
|-
|[[Paenibacillus species]]
|–
|–
| +
| +
|}

== Clinical Presentation ==
{| class="wikitable"
!Species
!Disease
|-
|[[Bacillus anthracis]]
|anthrax
|-
|[[Bacillus cereus]]
|food poisoning, central line infections
|}
|}



Revision as of 14:18, 8 October 2020

Background

Microbiology

  • Genus of non-branching, catalase positive Gram-positive bacilli
  • Often over-decolorized

Identification

Organism Width >1 μm Wide Zone Lecithinase Spores Swell Sporangium VP Test Ferments Mannitol Ferments Xylose Anaerobic Growth
Bacillus anthracis + + + +
Bacillus cereus + + + +
Bacillus subtilis + + +
Paenibacillus species + ± ± ± +

Clinical Presentation

Species Disease
Bacillus anthracis anthrax
Bacillus cereus food poisoning, central line infections