Article
Selective epigenetic control of retrotransposition in Arabidopsis.
Nature - 17 Sept 2009
Mirouze Marie, Reinders Jon, Bucher Etienne, Nishimura Taisuke, Schneeberger Korbinian, Ossowski Stephan, Cao Jun, Weigel Detlef, Paszkowski Jerzy, Mathieu Olivier
Abstract excerpt
Retrotransposons are mobile genetic elements that populate chromosomes, where the host largely controls their activities. In plants and mammals, retrotransposons are transcriptionally silenced by DNA methylation, which in Arabidopsis is propagated at CG dinucleotides by METHYLTRANSFERASE 1 (MET1). In met1 mutants, however, mobilization of retrotransposons is not observed, despite their transcriptional activation....
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