نتایج جستجو برای: post transcriptional gene silencing
تعداد نتایج: 1567614 فیلتر نتایج به سال:
The activity of transposable elements is epigenetically suppressed by both transcriptional and post-transcriptional mechanisms. We recently identified a direct connection between the small RNA-mediated post-transcriptional mRNA degradation of actively transcribing transposable elements and the de novo methylation of transposable element DNA, providing a mechanistic link between these two establ...
Gene-specific factors determine mitotic expression and bookmarking via alternate regulatory elements
Transcriptional silencing during mitosis is caused by inactivation of critical transcriptional regulators and/or chromatin condensation. Inheritance of gene expression patterns through cell division involves various bookmarking mechanisms. In this report, we have examined the mitotic and post-mitotic expression of the DRA major histocompatibility class II (MHCII) gene in different cell types. D...
Abstract When stress factors trigger transcriptional and metabolic changes, RNA interference (RNAi) is associated with gene expression regulation at the post-transcriptional levels. RDR, DCL AGO proteins contribute to these silencing processes during reactions plant development. An entire revision of maize genes was carried out prior experiments. In this study, transcript changes a total 4 ZmRD...
Post-transcriptional gene silencing (PTGS) of a green fluorescent protein (GFP) transgene is suppressed in Nicotiana benthamiana plants infected with potato virus Y (PVY) or with cucumber mosaic virus (CMV), but not in plants infected with potato virus X (PVX). By expressing PVY and CMV-encoded proteins in a PVX vector we have shown that the viral suppressors of gene silencing are the HCPro of ...
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