Catalase Pos. GPR- Bacillus Flashcards
List two catalyst negative gPR’s
Lactobacillus and Erysipelothrix
When I going to find gram-positive rods it’s good to know which bacteria tend to be much larger
Bacillus tend to be much larger
Blank are the only aerobic endospore farmers
Bacillus
How would one differentiate between wisteria and group B beta-hemolytic streptococci
Listeria is catalase positive, group B beta hemolytic streptococci are catalase negative
Name to gram-positive rods that are motile
Listeria and bacillus
On what media would you look for Hydrogen sulfide production
TSI
Anthrax, etiological agent…
Bacillus anthracis
Bacillus cereus is the etiological agent for…
Food poisoning
Describe what bacillus would look like under the microscope
Large purple box the rods
however note: older cells tend to stain gram-negative
Most of the species are blank and highly blank
Beta hemolytic, Motile
The most common route of infection with bacillus anthracis is…
From infected animal
The most common sign of anthrax
Esschar lesion
Anthrax is spread via blank
Endospores
Blank are essential for the virulence of anthrax
Siderophores and Iron heme scavengers
List three catalase positive GPR’s
Corynebacterium, Listeria, bacillus
2 virulence plasmids of anthrax
PXO1 and pXO2