Widespread interspecific divergence in cis-regulation of transposable elements in the Arabidopsis genus
Transposable elements (TEs) are so abundant and variable that they count among the most important mutational sources in genomes. Nonetheless, little is known about the genetics of their variation in activity or silencing across closely related species. Here, we demonstrate that regulation of TE genes can differ dramatically between the two closely related Arabidopsis species A. thaliana and A. lyrata. In leaf and floral tissues of F1 interspecific hybrids, about 47% of TEs show allele-specific...[Show more]
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|Source:||Molecular Biology and Evolution|
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