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antibioticos macrolidos - Farmacologia Virtual

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MACROLIDOS<br />

RESISTENCIA<br />

1. Mutacion cromosomica en R ribosomal,<br />

x plasmidos, cruzada. Gram+, Gram-,<br />

Legionella y otros.<br />

2. Impermeabilidad pared bacteriana<br />

(Enterobacteriaceas y S.<br />

epidermidis).<br />

3. Enzimas (esterasas y fosforilasas) q’<br />

hidrolisan a <strong>macrolidos</strong>.<br />

Enterobacteriaceas. Cruzada.<br />

(Ags: 3 enzimas q`acetilan, adenilan y<br />

fosforilan) (cloranfenicol: acetiltransferasa).

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