Science glossary film: Antibiotic resistance

Antibiotic resistance

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The ability of bacteria to survive exposure to an antibiotic, often by producing a protein that disables or prevents transport of the antibiotic into the cell.

The ability of bacteria to survive exposure to an antibiotic, often by producing a protein that disables or prevents transport of the antibiotic into the cell. Antibiotic resistance develops by natural selection, just as any species can evolve. The organism that causes MRSA infections is particularly good at this: only four years after penicillin was first mass-produced, resistant strains of the MRSA bacterium were discovered.

Antibiotic resistance develops by natural selection, just as any species can evolve. The organism that causes MRSA infections is particularly good at this: only four years after penicillin was first mass-produced, resistant strains of the MRSA bacterium were discovered.

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