4a. Marshmallow Pox (10/24) Flashcards
What is malachite green?
A primary stain in an endospore staining procedure
What is safranin?
A counterstain in an endospore staining procedure
What is ‘Bacillus anthracis’?
A bacterium that is the causative agent of anthrax
What is ‘Bacterium thuringiensis’?
A bacterial insect pathogen
What is ‘Clostridioides difficile’?
Tenacious pathogen associated w/ hospitals + long-term care facilities
What is ‘Clostridium botulinum’?
A bacterium that is the causative agent of botulism
What is ‘Clostridium perfringens type A’?
Bacterium that is the causative agent of gas gangrene
What is ‘Clostridium perfringens type C’?
Bacterium associated w/ necrotizing enteritis in humans + other animals
What is ‘Clostridium perfringens type D’?
Bacterium associated w/ overeating disease in sheep and goats
What is ‘Clostridium tetani’?
Bacterium that is the causative agent of tetanus
What are cultural characteristics? What are they used for?
When grown on a variety of media, microorganisms will exhibit the difference in the microscopic appearance of their broth.
These differences are called cultural characteristics, and are used as a basis for separating microorganisms into taxonomic groups.
What are Koch’s postulates? Can you list them?
A set of guidelines to demonstrate that a specific pathogen causes specific symptoms
1) It must be found in all cases of the disease
2) It must be isolated from host + grown in pure culture
3) It must reproduce the original disease when introduced into a susceptible host
4) It must be found present in the experimental host + identified as identical to original causative agent
What is sporogenesis?
The formation of spores; a type of asexual reproduction
What is necrosis?
Irreversible cell injury and eventual cell death due to pathological processes (eg. disease, injury, chemicals)
