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Updated: Dec 14, 2025

mRNA Interactome Capture from Plant Protoplasts
Published on: July 28, 2017
A G(enomic)P(ositioning)S(ystem) for Plant RNAPII Transcription
Xueyuan Leng1, Quentin Thomas1, Simon Horskjær Rasmussen1
1Copenhagen Plant Science Centre, Department of Plant and Environmental Sciences, University of Copenhagen, Bülowsvej 34, 1870 Frederiksberg C, Denmark.
Abstract:
Post-translational modifications (PTMs) of histone residues shape the landscape of gene expression by modulating the dynamic process of RNA polymerase II (RNAPII) transcription. The contribution of particular histone modifications to the definition of distinct RNAPII transcription stages remains poorly characterized in plants. Chromatin immunoprecipitation combined with next-generation sequencing (ChIP-seq) resolves the genomic distribution of histone modifications. Here, we review histone PTM ChIP-seq data in Arabidopsis thaliana and find support for a Genomic Positioning System (GPS) that guides RNAPII transcription. We review the roles of histone PTM 'readers', 'writers', and 'erasers', with a focus on the regulation of gene expression and biological functions in plants. The distinct functions of RNAPII transcription during the plant transcription cycle may rely, in part, on the characteristic histone PTM profiles that distinguish transcription stages.
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