Article
Loss of function mutations in the rice chromomethylase OsCMT3a cause a burst of transposition.
The Plant journal : for cell and molecular biology - 1 Sept 2015
Cheng Chaoyang, Tarutani Yoshiaki, Miyao Akio, Ito Tasuku, Yamazaki Muneo, Sakai Hiroaki, Fukai Eigo, Hirochika Hirohiko
Abstract excerpt
Methylation patterns of plants are unique as, in addition to the methylation at CG dinucleotides that occurs in mammals, methylation also occurs at non-CG sites. Genes are methylated at CG sites, but transposable elements (TEs) are methylated at both CG and non-CG sites. The role of non-CG methylation in transcriptional silencing of TEs is being extensively studied at this time, but only very rare transpositions...
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