WHOLE LESSON: IDENTIFYING BACTERIA Flashcards
- gram + cocci/ resimble grapes 1 dm
- facultative anaerobes, oxidase - , catalase +
staphylococcal species
staphy grow on?
non-enriched media
staphylococcal is ?
non-motile & non spore forming
staphy is a commensal on:
skin & mucous membranes
staphy is stable in?
environment
what is the colonial characteristcs of staphy:
-white opaque 4mm dm
-bovine & human strain: golden yellow
-cogaulase negative: pigmented
-gram+ , for chains & 1.0 dm
-catalase -, facultative anaerobes, non-motile
Staphylococcus species
colonies of staphylococcus are:
- small
- haemolytic
- translucent
pathogenic strains of staphy is:
- thick capsules
- produce mucoid colonies
where is the usual habitat of staphy?
- upper respiratory
- lower urogenital tract
staphy is suspectible to?
dessication
- gram+ bacteria w/ many branching filaments
-slow growth on laboratory media
-an opportunistic pathogen producing diverse inflammatory response
Genus actinobacteria
genus actinobacteria can be:
- anaerobic
- facultative anaerobic
genus actinobacteria is:
nonspore-forming & non-motile
actinobacteria is modifed by?
Ziehl-neelsen-negative
actino b. can colonize?
mucous membrane of animals
actino require?
enriched growth media for growth
this structure are part of the host response to this chronic infection
Club-shaped structure
-gram+
- aerobic & non-motile
-spores is from aerial filaments
-spoil saprophytes
- long, slender, branching filament w/ tendency to fragment into rods & cocci in smears
Nocardia species
growth of nocardia species is on:
Sabouraud dextrose agar
nocradia species modified _______ due to mycolic acid in cell wall
Ziehl-Neelsen-Positive
- gram+, filamentous & branching
-motile coccal zoospores about 1.5 dm
-aerobic & capnophilic
dermatophilus congolensis
d. congolensis has no growth on?
Sabouraud dextrose agar
d. congolensis can be found in:
foci on skin of carrier animals