Bacterial Morphology Flashcards
Actinomyces
Anaerobic Gram (+) branching filamentous
Bacillus
Aerobic Gram (+) rod
Bacteroides
Anaerobic Gram (-) rod
Bartonella
Zoonotic Gram (-) rod
Bordetella
Gram (-) (“coccoid”) rod
Borrelia
Gram (-) spirochete (Giemsa)
Brucella
Zoonotic Gram (-) (“coccoid”) rod
Campylobacter
Gram (-) comma-shaped rod
Chlamydiae
Gram (-) pleomorphic; intracellular
Clostridium
Anaerobic Gram (+) rod
Corynebacterium
Gram (+) rod
Enterobacter
Gram (-) rod
Francisella
Zoonotic Gram (-) rod
Gardnerella
Gram variable rod
Haemophilus
Gram (-) pleomorphic (“coccoid”) rod
Helicobacter
Gram (-) comma-shaped rod; catalase, oxidase, AND urease (+)!
Klebsiella
Gram (-) rod
Legionella
Gram (-) rod; silver stain
Leptospira
Gram (-) spirochete
Listeria
Gram (+) rod
Mycobacterium
Aerobic acid fast Gram (+) rod - contains mycolic acid
Mycoplasma
No cell wall - does not Gram stain
Neisseria
Gram (-) diplococci
Nocardia
Aerobic, weakly acid fast Gram (+) branching filamentous
Pasteurella
Zoonotic Gram (-) (“coccoid”) rod
Proteus
Gram (-) rod
Pseudomonas
Gram (-) rod (aeruginosa = aerobic)
Rickettsiae
Gram (-) pleomorphic; intracellular (Giemsa)
Serratia
Gram (-) rod
Staphylococcus
Gram (+) cocci in clusters
Streptococcus
Gram (+) cocci in chains
Treponema
Gram (-) spirochete
Vibrio
Gram (-) comma-shaped rod
Yersinia
Gram (-) rod