“MUTATORS are class II DNA transposable elements (TEs) and have propagated widely across both prokaryotic and eukaryotic genomes through a “cut-and-paste” mechanism. The Mutator system was first reported in maize and was later found in other plants, bacteria, fungi and protozoans. Mutator-like transposable elements (MULEs) are especially pervasive in higher plant genomes such as rice (Oryza sativa), in which more than 10,000 copies have been identified.”
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