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37 Cards in this Set
- Front
- Back
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fxn of peptidoglycan
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support
protects against osmotic pressure |
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fxn of cell wall
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(only in gram +)
major surface Ag |
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fxn of outer membrane
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(only in gram -)
site of endotoxin major suface antigen |
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fxn of plasma membrane
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site of oxidative and transport enzymes
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fxn of ribosome
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protein synth
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fxn periplasm
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(only in gram -)
space between cytoplasm and outer membrane |
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fxn capsule
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protects from phagocytosis
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fxn of pilus/fimbrae
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attachment during conjugation (pilus) to exchange genetic material
fimbrae- atttachment to cell cell surface |
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fxn plasmid
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genetic info
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fxn glycocalyx
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adherance to surfaces (esp foreign, like catheters)
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fxn of IgA proteases
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allows atachment at mucosal sites
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chemical composition of peptidoglycan
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sugar backbone with peptides cross-linked
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chemical composition of cell wall
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teichoic acid (induces TNF and IL-1)
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chemical composition of outer membrane
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lipid A (induces tnf and il-1)
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composition of periplasm
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hydrolytic enzymes (incl b-lactamase)
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chemical composition of pilus/fimbrae
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glycoprotein
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chemical composition of spore
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keratin like coat
dipicolinic acid |
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chemical composition of plasmid
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DNA
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chemical composition of glycocalyx
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polysaccharide
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things unique to gram - bacteria
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cell wall
teichoic acid |
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things unique to gram + bacteria
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outer membrane
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which bacteria don't stain with Gram stain
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"These Rascals Might Microscopically Lack Color"
Treponema Rickettsia Mycoplasma Mycobacteria Legionella Chlamydia |
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reason for no gram stain:
treponema |
too thin
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reason for no gram stain:
ricketssia |
intracellular
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reason for no gram stain: mycoplasma
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no cell wall
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reason for no gram stain:
mycobacteria |
high lipid content
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reason for no gram stain:
legionella |
intracellular
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reason for no gram stain:
chlamydia |
intracellular
lacks muramic acid in cell wall |
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how to stain:
treponema |
darkfield microscopy
fluorescence |
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how to stain:
mycobacteria |
acid-fast
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bacteria that are obligate aerobes
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"No Cards Sue behind My Back to breathe O2"
Nocardia Pseudamonas Mycobacteria TB Bacillus |
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bacteria that are facultative intracellular organisms
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"In the faculty, Bruce, Mike, Lisa, and Fran have Some Nice Legs this Year"
Brucella Mycobacteria Listeria Francisella Salmonella Neisseria Legionella Yersinia |
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encapsulated bacteria
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"Strip Him of his Nice, Clean Capsule"
Strep pneumo H. flu Neisseria Klebsiella |
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obligate intracellular organisms
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"stay inside when it's Really Cold"
Rickettsia Chlamydia |
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Strep pneumo is the most common cause for what:
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MOPS
meningitis otitis media pneumonia sinusitis |
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sx of rheumatic fever
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"no RHEUM for SPECCulation"
Subcutaneous nodules polyarthritis erythema marginatum chorea carditis |
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which strain of strep is optochin resistant?
sensitive? |
"viridans group lives in the mouth because they are not afraid of-the-chin"
viridans strep pneumo |
