Sentence examples for for these marks from inspiring English sources
Approved bats carry a certification mark, and umpires check bats for these marks before every game, Hurd said.
In this way, H4 marks would be preserved even in adverse metabolic conditions, which implies an importance for these marks.
If Hairy is overrepresented in regions highly enriched for these marks, then there might be a bias.
ChIP-qPCR was used to assay the hippocampal levels of H3K4me3 (associated with transcriptional activation) and histone H3 lysine 27 trimethylation (H3K27me3, associated with transcriptional repression) at a region in the Slc17a6 promoter (−240 to −94 bp; Fig. 3a) that has previously been shown to be enriched for these marks in adult C57BL/6 cerebellum [ 33, 34].
Accordingly, we have collected and analysed new ChIP-seq data for these marks in three chimpanzee individuals and compared the patterns we observed in the chimpanzee iPSC lines to similar ChIP-seq data from humans (collected by the Roadmap Epigenomics project).
Epigenomic profiling was additionally performed for seven of these marks (H3K4me2, H3K4me3, H3K27me1, H3K27me3, H3K36me3, H2Bub and 5mC) using a tiling microarray covering the whole-genome sequence at 165 bp resolution.
Much of the evidence for the roles of these marks in transgenerational epigenetic processes has come from genetic model systems, including C. elegans.
The stemness/differentiation balance can be regulated by DNA methylation and bivalent marks (a combination of permissive and repressive histone marks) [ 95], and proteins responsible for the deposition of these marks are DNMTs and PcG proteins (Polycomb-group proteins), respectively.
In particular, given the growing evidence for the dynamic nature of epigenetic marks at many sites and the need for active maintenance of these marks at many sites [ 39], these sets of differences may be actively maintained in each cell type.
Look for at least one of these marks on electrical products--there are often several, as well as other minor certifications.
These results suggest that whatever mechanisms are responsible for placing these marks in the genome are either directly or indirectly dependent on genomic sequence.
