Gram Staining Reactions Flashcards
What are the Gram stain negative cocci?
Neisseria
Moraxella
How does Neisseria Gram stain?
Gram negative cocci
How does Moraxella Gram stain?
Gram negative cocci
What are the Gram stain negative rods?
Know top 6.
Pseudomonas Haemophilus Legionella Bordatella Francisella Pasteurella Burkholderia Acinetobacter Eikenella Kingella Bartonella Brucella Capnocytophaga
What are the Gram stain negative curved or helical rods?
Campylobacter
Helicobacter
Vibrio
How does Pseudomonas Gram stain?
Gram negative rods
How does Haemophilus Gram stain?
Gram negative rods
How does Legionella Gram stain?
Gram negative rods (need increased counterstain time)
How does Bordatella Gram stain?
Gram negative rods
How does Francisella Gram stain?
Gram negative rods
How does Pasteurella Gram stain?
Gram negative rods
How does Campylobacter Gram stain?
Gram negative curved rod
How does Helicobacter Gram stain?
Gram negative helical rod
How does Vibrio Gram stain?
Gram negative comma-shaped rod
List the Enterobacteriaceae and their stain?
Gram negative Escherichia Shigella Salmonella Klebsiella Proteus Yersinia Aeromonas Serratia Citrobacter Enterobacter
How does Escherichia Gram stain?
Gram negative rod; Enterobacteriaceae
How does Shigella Gram stain?
Gram negative rod; Enterobacteriaceae
How does Salmonella Gram stain?
Gram negative rod; Enterobacteriaceae
How does Klebsiella Gram stain?
Gram negative rod; Enterobacteriaceae
How does Proteus Gram stain?
Gram negative rod: Enterobacteriaceae
How does Yersinia Gram stain?
Gram negative rod; Enterobacteriaceae
What are the Gram stain negative anaerobic rods?
Bacteroides (only the B in ABCs of anaerobes is Gram -)
Prevotella
Porphyromonas
Fusobacterium
What are the Gram stain gram-variable rods?
Gardnerella
Mobiluncus
What are the Gram stain negative spirochetes?
Treponema
Borrelia
Leptospira
How does Treponema Gram stain?
Gram negative spirochete
How does Borrellia Gram stain?
Gram negative spirochete
How does Leptospira Gram stain?
Gram negative spirochete
What are the Gram stain positive cocci?
Staphylococcus
Streptococcus
Enterococcus (not to be confused with enterobacteriaceae)
How does Staphylococcus Gram stain?
Gram positive cocci
How does Streptococcus Gram stain?
Gram positive cocci
How does Enterococcus Gram stain?
Gram positive cocci
What are the Gram positive aerobes or facultative anaerobes?
Bacillus Listeria Corynebacterium Nocardia Mycobacterium
How does Bacillus Gram stain?
Gram positive rod
How does Listeria Gram stain?
Gram positive rod
How does Corynebacterium Gram stain?
Gram positive rod
How does Nocardia Gram stain?
Gram positive rod
How does MycoBACTERIUM Gram stain?
Gram positive rod
What are the Gram positive anaerobes?
Clostridium
Actinomyces
Propionbacterium
Lactobacillus
How does Clostridium Gram stain?
Gram positive rod; anaerobic
How does Actinomyces Gram stain?
Gram positive rod; anaerobic
How does Propionbacterium Gram stain?
Gram positive rod; anaerobic
How does Lactobacillus Gram stain?
Gram positive rod; anaerobic
What are the non-Gram staining bacteria?
Mycoplasma Ureaplasma Rickettsia Ehrlichia Coxiella Chlamydia Chlamydophila
How does MycoPLASMA Gram stain?
Non-Gram staining
How does Ureaplasma Gram stain?
Non-Gram staining
How does Rickettsia Gram stain?
Non-Gram staining
How does Ehrlichia Gram stain?
Non-Gram staining
How does Coxiella Gram stain?
Non-Gram staining
How does Chlamydia Gram stain?
Non-Gram staining
How does Chlamydophila Gram stain?
Non-Gram staining
Which organisms are acid-fast?
Mycobacterium
Nocardia - partial acid-fast
Which organisms form spores?
Bacillus
Clostridium
Which organisms have branching rods?
Actinomyces
Nocardia
Which organisms are facultative intracellular?
Listeria
Mycobacterium
Which organism is catalase positive, coagulase positive?
Staphylococcus aureus
Which organisms are catalase positive and coagulase negative?
Staphylococcus epidermidis
Staphylococcus saprophyticus
Which organism is catalase positive, coagulase negative and novobiocin sensitive?
Staphylococcus epidermidis
Which organism is catalas positive, coagulase negative and novobiocin resistant?
Staphylococcus saprophyticus
Describe Staphylococcus aureus?
Catalase positive
Coagulase positive
Ferments mannitol
Describe Staphylococcus epidermidis?
Catalase positive
Coagulase negative
Novobiocin sensitive
Describe Staphylococcus saprophyticus?
Catalase positive
Coagulase negative
Novobiocin resistant
Which organism is catalase negative and optochin sensitive?
Streptococcus pneumoniae
Which organism is catalase negative and optochin resistant?
Viridans
Which organism is catalase negative and bacitracin sensitive?
Streptococcus pyogenes (GAS)
Which organism is catalse negative and bacitracin resistant?
Streptococcus agalactiae (GBS)