Sentence examples for marks are thought from inspiring English sources

These bivalent epigenetic marks are thought to prepare their cognate loci for transcription, in a cell that is poised to embark on lineage commitment.

Alterations of epigenetic marks are thought to play an important role in myeloid malignancies.

These bivalent marks are thought to keep developmentally important genes silenced, but poised for activation during lineage commitment [ 6].

These positive histone marks are thought to facilitate chromatin accessibility of genes and binding of factors such as Pol-II and signaling transcription factors, to promote transcription elongation (Adelman et al., 2009).

Instead of the medieval ditch the marks were thought to denote, the ditch of an Iron Age hill fort was revealed.

In undifferentiated ES cells this unusual combination of marks is thought to keep genes repressed or expressed at very low levels but poised for later activation.

Epigenetic markers allow the transmission of gene activity states from one cell to its daughter cells; however, until recently, epigenetic marks were thought to be completely erased and then re-established in each generation.

This mark is thought to activate transcription directly through neutralization of the charged lysine, allowing DNA to be less tightly associated with the nucleosome, and also through recruitment of bromodomain proteins that can 'read' the mark and recruit transcriptional machinery.

In other genes, deposition of this histone mark is thought to occur immediately downstream of the promoter in a manner dependent on the levels of the initiating form of Pol II [ 69, 70].

Remaining sites might correspond to promoters or poised enhancers containing bivalent histone marks that are thought to respond to external stimuli (Creyghton et al, 2010).

Sweden's Fredrik Reinfeldt and Dutch PM Mark Rutte are thought to back Mr Cameron's position but did not address the issue with reporters on Tuesday.