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Miniature Inverted-repeat Transposable Elements are a group of non-autonomous Class II transposable elements. Being non-autonomous, MITEs cannot code for their own transposase. They exist within the genomes of animals, plants, fungi and bacteria. MITEs are generally short elements with terminal inverted repeats and two flanking target site duplications. Like other transposons, MITEs are inserted predominantly in gene-rich regions and this can be a reason that they affect gene expression and play important roles in accelerating eukaryotic evolution. Their high copy number in spite of small sizes has been a topic of interest.
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