Summary: Key Words By Subject
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Read the summary and the most important questions on key words by subject
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1 General
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Siderophore (for iron uptake)
extracellular iron-binding compounds which can extract Fe3+ from lactoferrin (or transferrin) and supply iron to cells for growth. -
Horizontal gene transfer
DNA transferred between bacteria via conjugation, transformation, transduction and transposons, possibility antibiotics resistance transfer -
Two component system (TCS)
Sensory system;
- sensor will signal to the repressor and thereby regulate transcription of antibiotic resistance genes -
2 Adhesion / invasion
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Adherence factor, adhesin
Bacterial structure (fimbria, S-layer, capsule, LPS, LTA) that binds bacteria to surface or specific receptor -
Tight junction protease
Enterotoxin, fragilisin enables entry through epithelium (Bacteroides fragilis) -
Mucus degrading enzyme
Move through mucus to reach epithelium (Akkermansia) -
Manipulate actin cytoskeleton
Generate actin-rich pedestal for invasion (enterohemorrhagic (EHEC) and enteropathogenic Escherichia coli) -
3 Cell wall
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Gram negative cell wall
LPS outermembrane, pink Gram stain;
- Less sensitive to lysozume and pinicilin -
Gram positive cell wall
Peptidoglycan, purple Gram stain;
- More sensitive to lysozyme and penicilin -
(lipo) teichoic acid
Part of Gram positive cell wall that activates TLR2
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