Biofilm formation stages — Flashcards

Flashcard 1: _____ is a coagulase-negative Staph that has the ability to synthesize extracellular polysaccharide matrix (biofilm).

Answer: Staph epidermidis

Flashcard 2: Some bacteria secrete a _____, allowing the bacteria to stick to a surface

Answer: biofilm (not glycocalyx)

Flashcard 3: Pseudomonas aeruginosa produces _____, which generates reactive oxygen species (ROS) to kill competing microbes

Answer: pyocyanin

Flashcard 4: Bacteria with irregular, slimy fuzz layer have a _____

Answer: glycocalyx

Flashcard 5: Bacteria sometimes secrete a _____, which is a sticky, gelatinous layer that assists the bacteria in attaching to host cells

Answer: capsule

Flashcard 6: The _____ in E. coli allow for attachment to the urinary tract

Answer: Pili (fimbriae); specifically Type 1 and P pili

Flashcard 7: glycocalyx

Answer: mediates adherence to surfaces

Extra: polysaccharide