BIOSC 3750 Exam I Study Guide

Vibrio fischeri

bioluminescent symbiont of bobtail squid

Clostridioides difficile

iron storage organelles called ferrosomes

Caulobacter crescentus

cytoplasm organization- stalk & flagella are on specific poles

Mycobacterium tuberculosis

unusual capsule with mycolic acids

Helicobacter pylori

causes stomach ulcers, determined by Barry Marshal using Koch’s postulates on himself

Mycoplasma pneumoniae

lacks peptidoglycan cell wall, contains cholesterol in cell membrane

Wolbachia spp.

parasitic and mutualistic species, cytoplasmic incompatibility

Buchnera aphidicola

essential mutualist with Pea aphid, makes amino acids for insect & inherited vertically

Streptococcus pneumoniae

uses capsule antigenic variation to avoid the immune system, cause pneumonia

Staphylococcus aureus

extensive virulence factor arsenal

Streptomyces coelicolor

soil bacterium that makes polyketide antibiotics

Uropathogenic Escherichia coli

UPEC – acquired virulence factors and antibiotic resistance genes through horizontal gene transfer, makes beta-lactamases