Class of DNA element composed of a DNA integrase gene adjacent to a recombination site, at which one or more genes can be found inserted. Frequently, antibiotic resistance genes are found inserted in integron sites in samples of resistant Gram positive bacteria.
Integrons are genetic units characterized by their ability to capture and incorporate gene cassettes by site-specific recombination. == Discovery == They were initially discovered in relation to antibiotic resistance. == Structure == An integron is minimally composed of: === Gene Cassettes === Additionally, an integron will usually contain one or ...Found on http://en.wikipedia.org/wiki/Integron
Integron: A mobile DNA element that can capture and carry genes, particularly those responsible for antibiotic resistance. Integrons do this by site-specific recombination. There are at least three classes of integrons based upon which integrase gene they contain. The antibiotic resistance genes that integrons capture are located on gene cassettes....Found on http://www.medterms.com/script/main/art.asp?articlekey=32273
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