MICRO: +BACILLI Flashcards
The spore forming gram positive bacilli species in an aerobic environment
-Bacillus cereus
- Bacillus anthracis
Non-spore forming gram positive bacilli in an aerobic environment
-Listeria monocytogenes
- Corynebacterium diphtheria
- aerobic actinomycetes
The ubiquitous species of the gram positive bacilli
-L. monocytogenes
- Nocardia species
A zoonotic Gram positive bacilli species?
Bacillus anthracis
Gram positive bacilli spc associated with food? (thus transmitted through ingestion)
L. monocytogenes
Bacillus cereus
Gram positive bacilli transmitted through respiratory droplets?
corynebacterium dipthrea
Gram positive bacilli transmitted through inhalation or contact?
Nocardia spp
The two toxin mediated gram positive bacilli?
Bacillus cereus
Corynebacterium dipthrea
Pathogenesis of listeria monocytogenes?
neonates: premature labour, still-born, acute sepsis, meningitis
adults: influenza like in pregnancy, acute sepsis, meningitis, endocarditis
Ways to prevent infection from listeria monocytogenes?
-cook raw foods
-wash raw veg
-avoid soft cheese
keep uncooked meats separately
Bacillus cereus produces two toxins within a host’s body. These include:?
- Heat stable toxin (u present with vomiting, abdominal pain- symptoms will last for 1 day
- Heat labile toxin ( u present with diarrhoa)- symptoms last for 2 days
Known as a disease of herbivores which infect humans through contact with diseased animals/products
Bacillus anthracis
Which gram positive species causes anthrax?
Bacillus anthracis
What are clinical syndromes from infection with Bacillus anthracis?
cutaneous black eschar
A gram positive bacilli species which mimics TB?
Norcadia
