R-factor definition

Any of the conjugative or nonconjugative plasmids that carry and transmit genes responsible for resistance to antibiotics from one bacterium to another.
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Any of the conjugative or nonconjugative plasmids that carry and transmit genes responsible for resistance to antibiotics from one bacterium to another.
noun
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Origin of r-factor

  • r(esistance)

    From American Heritage Dictionary of the English Language, 5th Edition