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Bacterial Class Characteristics
Medical Microbiology - Bacterial Class Characteristics
10
Microbiology
Undergraduate 3
03/19/2011

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Cards

Term
Bacillus
Definition

Gram: +

Morphology: Rods
Metabolism: Obligate Aerobe
Other: Endospore former, 3-part AB toxin (LF, EF, PA)

Term
Chlamydia
Definition

Gram: -

Morphology: Cocci (Elementary/Reticulate Body infection)
Metabolism: Obligate Intracellular
Other: Lack ATP & peptidoglycan, non-motile

Term
Clostridium
Definition

Gram: +

Morphology: Rods
Metabolism: Obligate Anaerobe
Other: Endospores, AB toxin

Term
Corynebacterium
Definition

Gram: +, methylene Blue

Morphology: Pleomorphic rods, Pallisade
Metabolism: Aerobic
Other: Grows well on tellurite, snappign division

Term
Mycobacterium
Definition

Gram: Acid-Fast, Slightly +

Morphology: Rods (sometimes branched)
Metabolism: Aerobic
Other: Non-motile, no spores, no capsule, no toxin, slow-growing

Term
Neisseria
Definition

Gram: -

Morphology: Cocci
Metabolism:
Other: Capsule, Oxidase positive, facultative intracellular, Binds M cells, grows well on chocolate agar

Term
Salmonella
Definition

Gram: -

Morphology: Rods
Metabolism: Facultative Anaerobic
Other:

Term
Spirochaetes
Not A Genus
Definition

Gram:  - (special stain to thicken)

Morphology: Tight spirals
Metabolism: Variable
Other: Periplasmic flagella (axial filament)

Term
Staphylococcus
Definition

Gram: +

Morphology: Clumps of Cocci
Metabolism: Facultative Anaerobe
Other: AB toxin, catalase +, coagulase +, lysozyme-resistant, coated in protein A (prevent phagocytosis)
Toxins: enterotoxin, exfoliative toxin, TSS toxin, cytolytic toxin
Enzymes: hyaluronidase, coagulase, staphylokinase, lipase, B-lactamase

Term
Streptococcus
Definition

Gram: +

Morphology: Chains of cocci
Metabolism: Facultative Anaerobe
Other: AB toxin, non-motile, fastidious

S. pyogenese - M protein (prevents phagocytosis/opsonization), hyaluronic capsule (prevent recognition)

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