The highest-copy repeats are methylated in the small genome of the early divergent vascular plant Selaginella moellendorffii.

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Authors: Chan AP, Melake-Berhan A, O'Brien K, Buckley S, Quan H, Chen D, Lewis M, Banks JA, Rabinowicz PD
Title: The highest-copy repeats are methylated in the small genome of the early divergent vascular plant Selaginella moellendorffii.
Citation: BMC genomics. 2008-06-12; 9.: 282.
Abstract:
The lycophyte Selaginella moellendorffii is a vascular plant that diverged from the fern/seed plant lineage at least 400 million years ago. Although genomic information for S. moellendorffii is starting to be produced, little is known about basic aspects of its molecular biology. In order to provide the first glimpse to the epigenetic landscape of this early divergent vascular plant, we used the methylation filtration technique. Methylation filtration genomic libraries select unmethylated DNA clones due to the presence of the methylation-dependent restriction endonuclease McrBC in the bacterial host.
PMID: 18549478