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Resistance factor

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noun, plural: resistance factors

The earlier term used to refer to the plasmid that confers certain bacteria the ability to resist the antibacterial action of some antibiotics.


The factor is described as resistance since it renders certain bacteria to become resistant to antimicrobial drugs. The factor was found to be a set of genes (plasmid) that can be transmitted from one bacterial cell to another through conjugation or nonconjugative means.

Abbreviation: R-factor

Also called: