Tn3 transposon
= Tn3 transposon
{wiki=Tn3_transposon}
The Tn3 transposon, also known as Tn3, is a type of mobile genetic element that belongs to the category of transposons or "jumping genes." It was first discovered in the bacterium *Escherichia coli* and is well-studied due to its role in antibiotic resistance and its mechanisms of transposition.