PetriKey

Antimicrobial

Macrolides

50S protein-synthesis class concept

MAK-roh-lydes

antimicrobialprotein-synthesis50smacrolideresistance

High-yield clue

50S ribosome target + atypical respiratory organism vocabulary.

Overview

An antimicrobial class concept used to teach 50S ribosomal targeting, atypical organism vocabulary, and resistance mechanisms such as methylation or efflux.

Classification

  • Antimicrobial class
  • Protein-synthesis concept

Lab & identification clues

  • D-test vocabulary for inducible resistance
  • Efflux/methylation resistance concepts
  • Class-mechanism matching

Associations

  • Atypical respiratory coverage vocabulary
  • Streptococci classroom associations
  • Resistance mechanism drills

Commonly confused with

  • Tetracyclines
  • Aminoglycosides

Your notes

Original mechanism summary for microbiology study. Sources checked: CDC antimicrobial-resistance guidance, NCBI Bookshelf Medical Microbiology, and standard coursework frameworks; reviewed 2026-06. Covers class, mechanism, and resistance vocabulary only; no prescribing, dosing, or patient-specific treatment guidance.

CDC: CDC antimicrobial resistance overview and threat reportssourceWHO: WHO bacterial priority pathogens list 2024sourceNCBI Bookshelf: Medical Microbiology antimicrobial mechanism foundationssource