The John Innes Centre Publications Repository contains details of all publications resulting from our researchers.
The repository also includes Open Access publications, which can be identified by the icons found on search results.
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The creation of this publications repository was funded by BBSRC.
Science (328) 916-9
Publisher's version: 10.1126/science.1186366
ID: 55753read more
Eukaryotic cytosine methylation represses transcription but also occurs in the bodies of active genes, and the extent of methylation biology conservation is unclear. We quantified DNA methylation in 17 eukaryotic genomes and found that gene body methylation is conserved between plants and animals, whereas selective methylation of transposons is not. We show that methylation of plant transposons in the CHG context extends to green algae and that exclusion of histone H2A.Z from methylated DNA is conserved between plants and animals, and we present evidence for RNA-directed DNA methylation of fungal genes. Our data demonstrate that extant DNA methylation systems are mosaics of conserved and derived features, and indicate that gene body methylation is an ancient property of eukaryotic genomes.