University:
University of South Florida
Course:
MCB 3020 | General Microbiology
Academic year:

2023
Views:

470

Pages:

1
Author:

rezancuk2j

Gram-positive (Purple stained) MacConkey Test Catalase Test +Catalase (bubbles form) + MAC (lactose fermentation, pink colonies) -Catalase (no bubbles form) Mannitol Salt Agar Test Growth without mannitol fermentation +EMB (lactose fermentation, metallic sheen, dark purple) No growth at all Lactose fermentation (pink colonies) -EMB (no lactose fermentation, colorless) H2S production (colorless colonies, black mid section) A/A/v/Streptococcus pneumoniae Streptococcus pyogenes K/A/v/or A/A K/A/v/-/+ Citrate Test - (citrate not used) Escherichia coli No lactose fermentation (colorless) Triple Sugar Iron Test Slant/Butt/Gas/H2S a-hemolysis (green halo around colony) B-hemolysis (clear halo around colonies) Staphylococcus aureus +EMB (lactose fermentation, dark purple) Salmonella/Shigella Test Growth with mannitol fermentation (changes to yellow) Staphylococcus epidermidis - MAC (no lactose fermentation, colorless colonies) Eosin Methylene Blue Test Blood Agar Test y-hemolysis (medium doesn’t change) Gram-negative (Pink stained) Gram-Stain Yersinia enterocolitica + (citrate not used) Klebsiella pneumoniae Salmonella enterica