exam 2 Microbe minutes

Enterococcus faecalis

• coccus (sphere)/ entero = gut dwelling

• LAB group (lactic acid bacteria)

• opportunistic pathogen

• gram + purple

• facultative anaerobe

• No spore no flagella

• High NaCl and diverse pH and temp range

• high level antibiotic resistance

Vibrio Vulnificus

• comma shape

• halophile (needs salt)

• Marine environment

• Infection thru wounds or contaminated seafood

• gram -

• motile flagella (vibrates)

• facultative anaerobe

• nonspore

• meso

Neisseria meningitidis

commensal (surface mucosal membrane)

• Gram -

• diplocci (pairs of spheres)

• obligate aerobe uses o2

• pathogenic

• capsule

• no spores no flagella

• meningitis

• FASTIDOUS grower (needs human blood), grown on chocolate agar

Treponema Pallidum

• spiral shape

• obligate intracellular pathogen (needs host cells), lacks a lot of metabolic pathways

• narrow (dark field)

• motile (INTERNAL flagella)

• causes syphilis

• gram negative

• STRICT anaerobe (O2 kills)

• no spore

• meso

• 3 stages of infection

  • sores

  • rash

  • damage

Deinoccocus radiourans

• coccus sphere

• non spore

• withstand radiation and desiccation (Dna repair w extra genes and two pairs) and managnese

• aerobic

• nonpathogenic

• non motile

• gram +

• form tetrads during division

• meso