Host-parasite relationships in the genome
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BMC Biology 2011, 9:67 doi:10.1186/1741-7007-9-67Published: 10 October 2011
Transposable elements are best interpreted as genomic parasites, proliferating in genomes through their over-replication relative to the rest of the genome. A new study examining correlations across Drosophila species between transposable element numbers and rates of host evolution has brought into focus one of the most complex questions in transposable element biology-what it is that determines the proportion of the genome that is transposable elements.