Term
| Family Micrococcaccae Characteristics |
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Definition
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Term
| Family Micrococcaccae Genera |
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Definition
Micrococcus
Staphylococcus
Planococcus |
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Term
| Micrococcus characteristics |
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Definition
| aerobic, comensul, found on skin/environment |
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Term
| Staphylococcus characteristics |
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Definition
| facultative anaerobe, salt tolerant (7.5-10%) |
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Term
| Planococcus characteristics |
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Definition
| aerobic, found in salt water |
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Term
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Definition
Staph aureus
Staph epidermidis
Staph saprophyticus
Staphy intermedius |
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Term
| Staph aureus characteristics |
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Definition
Most important pathogen
Food borne illness
skin lesions
TSS
Necrotizing pneumonia
Transient flora (skin, nose, vagina) NEVER normal flora |
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Term
| Staph epidermidis characteristics |
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Definition
normal skin flora
biofilms (layer of organism in mucus/polysaccharide matrix)- body and equipment
opportunistic pathogen |
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Term
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Definition
| UTI, mostly women, some men/boys |
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Term
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Definition
zoonotic- cows, mink, pigeon
Disease similar to Staph aureus, if opportunity |
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Term
| Family Streptococcacae Characteristics |
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Definition
Gram +
Cocci
Catalase -
Facultative anaerobe |
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Term
| Family Streptococcacae Genera |
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Definition
Streptococcus
Enterococcus
Pediococcus
Lacanostoc |
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Term
| Streptococcus Characteristics |
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Definition
needs high nutritional environment (BA)
prefers low O2 environment |
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Term
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Definition
Strep pyogenes
Strep pneumonia
Strep agalactiae |
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Term
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Definition
Main cause of strep throat
Can cause Toxic Shock-Like symptom |
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Term
| Enterobacteriaceae Characteristics |
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Definition
Gram -
rods
Facultative anaerobes
Oxidase -
Catalase +
Ferment glucose
Nitrate ->Nitrite
Common inhabitant of GI tract
Can be found in soil/H2O
If motile, by peritrichous flagella |
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Term
| Enterobacteriaceae diseases |
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Definition
GI tract (diarrhea, dysentery)
Can enter blood (other infections
If enters wound, wound infections |
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Term
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Definition
Gram -
short rods
oxidase -
grows on MacConkey's
ferments glucose, and sucrose (not lactose)
urease positive (Christianson's Urea)
Motility agar- motil at 25, not 37
TSI A/A |
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Term
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Definition
Contains lactose (differential), crystal violet, and bile salts (selective), and pH indicator-neutral red
acidic is pink/red
neutral/alkaline is tan |
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Term
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Definition
Contains urea and phenol red
If organism contains urease, -> ammonia, H2O, and CO2 (alkaline)
+pink
- clear/yellow |
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Term
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Definition
For isolation of Yersinia enterocolitica from clinical specimens (fecal)
Contains selective agents (Cefsuladin, Irganson, Novaciacin=CIV)
Neutral red, and mannitol.
Y enterocolica grows and ferments mannitol |
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Term
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Definition
Gram - rods
Causes plague
3 forms
a. bubonic- DIC, most common form, zoonotic
b. pneumonic (person to person)
c. Systemic |
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Term
| yersinia pseudotuberculosis |
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Definition
| zoonotic, enterocolitis (diarrhea), englarged lymph node system |
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Term
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Definition
| most common yersinia in US, zoonotic (birds and mammals--esp pigs) enterocolitis (painful lymph nodes) |
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Term
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Definition
| Escherichia, shigella, edwardsiella, salmonella, citrobacter, klebsiella, enterobacter, hafnia, serratia, proteus, morganella, providencia, yersinia |
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