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R factor

 
Dictionary: R factor

n.
Any of the conjugative or nonconjugative plasmids that carry and transmit genes responsible for resistance to antibiotics from one bacterium to another. Also called resistance factor, resistance plasmid, Also called R plasmid.

[R(ESISTANCE).]


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Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.  Read more