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How Antibiotic Overuse Fuels Resistance in Bacteria

Antibiotic resistance evolves through mutations, gene transfer, and overuse, complicating treatment strategies.

Studying the Evolution of Antibiotic Resistance in Bacteria

Antibiotic resistance occurs when bacteria develop mechanisms to survive exposure to antibiotics.
This resistance can spread between people, animals, and the environment, causing deadly infections.
Understanding the evolution of antibiotic resistance is crucial to developing effective treatment strategies.

Key Factors in Antibiotic Resistance:

  • Genetic Mutations: Bacteria can develop resistance through genetic mutations that alter the antibiotic’s target. These mutations can also enhance the bacteria’s ability to pump out the antibiotic.
  • Horizontal Gene Transfer: Bacteria can share resistant genes with each other, spreading resistance rapidly.
  • Antibiotic Overuse: Overuse and misuse of antibiotics accelerate the development of resistance.

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