Gram Stains of Medically Significant Bacteria Flashcards
Staphylococcus aureus
Gram-positive cocci in clusters
Staphylococcus epidermidis
Gram-positive cocci in clusters
Staphylococcus saprophyticus
Gram-positive cocci in clusters
Streptococcus pyogenes,
Gram-positive coccus in chains
Group B Streptococcus
Gram-positive coccus in chains
Streptococcus pneumoniae
Gram-positive coccus in pairs
Enterococcus faecalis
Gram-positive cocci in chains
Vibrio cholerae
Gram-negative bacillus, curved
Vibrio parahemolyticus
Gram-negative bacillus, curved
Vibrio vulnificus
Gram-negative bacillus, curved
Campylobacter jejuni
Gram-negative bacillus, thin curved rods, occasional “s” or gull wing shapes
Helicobacter pylori
Curved gram-negative bacillus
Salmonella
Gram-negative bacillus
Enteric Fever (Typhoid fever) — Salmonella Typhi & Paratyphi
Gram-negative bacillus
Shigella
Gram-negative bacillus; member of the family Enterobacteriaceae
Escherichia coli
Gram-negative bacillus
Enterotoxic E. coli
Gram-negative bacillus
Shiga Toxin-producing E.coli (
Gram-negative bacillus