Abstract
Transposons are genetic elements that can move, and sometimes spread, within genomes, and that constitute an important fraction of eukaryote genomes. Two types of transposons, long terminal repeat (LTR)-retrotransposons and miniature inverted-repeat transposable elements (MITEs), are highly represented in plant genomes, and can account for as much as 50–80% of the total DNA content. In the last few years it has been shown that, in spite of their mutagenic capacity, both LTR-retrotransposons and MITEs can be found associated to genes, suggesting that their activity has influenced the evolution of plant genes. In this review we will summarise recent data on the control of the activity and the impact of both LTR-retrotransposons and MITEs on the evolution of plant genes and genomes.
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