PPT5 Bacillus spp.

Which is the only SPORE FORMING, nonbranching, GPB?

Bacillus

What is the gram stain morphology of Bacillus spp.?

GP, large rods with EMPTY SPACES

Which organism forms ENDOSPORES?

Bacillus spp.

Which Bacillus spp. is an agent of ANTHRAX?

Bacillus anthracis

INHALATION of spores causes which organism infection?

Bacillus anthracis

What kind of Capsule does the Bacillus anthracis have?

Glutamic Acid Capsule

What are the 4 types of infections caused by Bacillus anthracis (Anthrax)

1. Cutaneous Anthrax

2. Inhalation Anthrax

3. Gastrointestinal Anthrax

4. Injectional Anthrax

A black eschar malignant pustule / black painless lesion is assocaited with which Anthrax infection?

Cutaneous anthrax

Woolsorter’s disease is associated with which Anthrax infection?

Inhalation Anthrax

The Endorspores of Bacillus anthracis is inhaled into which body site?

Pulmonary parenchyma

Ingestion of Bacillus anthracis spores can cause which infection and which main symptom?

Gastrointestinal Anthrax

BLOODY DIARRHEA

Necrotizing fasciitis and organ failure occur in which infection?

Injectional Anthrax - the direct INJECTION of spores

Bamboo rod gram stain morphology is characteristic of which organism?

Bacillus anthracis

Medusa head SBA colony morphology is associated with which organism?

Bacillus anthracis

A nonmotile, glucose +, LECITHINASE +, and catalase+ GP bamboo rod with spore formation is associated with?

Bacillus anthracis

Exposure to PENICILLIN causes what morphology change in Bacillus anthracis?

String of Pearls

What does Beta lactamase production cause?

Penicillin resistance

Which is the main drug used to treat Anthrax?

Ciprofloxacin

What 3 things makes Anthrax so dangerous?

1. Odorless and invisible

2. Lethal at extremely low doses

3. Spores do not lose their viability for decades