Roles of Polycomb complexes in regulating gene expression and chromatin structure in plants

F Baile, Á Gómez-Zambrano, M Calonje - Plant Communications, 2022 - cell.com
Abstract The evolutionary conserved Polycomb Group (PcG) repressive system comprises
two central protein complexes, PcG repressive complex 1 (PRC1) and PRC2. These …

One factor, many systems: the floral homeotic protein AGAMOUS and its epigenetic regulatory mechanisms

MA Pelayo, N Yamaguchi, T Ito - Current Opinion in Plant Biology, 2021 - Elsevier
Highlights•Spatiotemporal AG expression is determined by multiple PRC2 variants, incRNA,
and histone modifiers.•AG acts together with, but sometimes antagonistically with, PRC2 …

Transposase-assisted target-site integration for efficient plant genome engineering

P Liu, K Panda, SA Edwards, R Swanson, H Yi… - Nature, 2024 - nature.com
The current technologies to place new DNA into specific locations in plant genomes are low
frequency and error-prone, and this inefficiency hampers genome-editing approaches to …

The chromatin remodeler DDM1 prevents transposon mobility through deposition of histone variant H2A. W

A Osakabe, B Jamge, E Axelsson, SA Montgomery… - Nature Cell …, 2021 - nature.com
Mobile transposable elements (TEs) not only participate in genome evolution but also
threaten genome integrity. In healthy cells, TEs that encode all of the components that are …

Molecular and structural basis of the chromatin remodeling activity by Arabidopsis DDM1

A Osakabe, Y Takizawa, N Horikoshi… - Nature …, 2024 - nature.com
The histone H2A variant H2A. W occupies transposons and thus prevents access to them in
Arabidopsis thaliana. H2A. W is deposited by the chromatin remodeler DDM1, which also …

Single-nucleus RNA-seq reveals that MBD5, MBD6, and SILENZIO maintain silencing in the vegetative cell of developing pollen

L Ichino, CL Picard, J Yun, M Chotai, S Wang, EK Lin… - Cell reports, 2022 - cell.com
Silencing of transposable elements (TEs) drives the evolution of numerous redundant
mechanisms of transcriptional regulation. Arabidopsis MBD5, MBD6, and SILENZIO act as …

Polycomb repressive complex 2 in eukaryotes—an evolutionary perspective

M Vijayanathan, MG Trejo-Arellano, I Mozgová - Epigenomes, 2022 - mdpi.com
Polycomb repressive complex 2 (PRC2) represents a group of evolutionarily conserved
multi-subunit complexes that repress gene transcription by introducing trimethylation of …

The importance of networking: plant polycomb repressive complex 2 and its interactors

J Godwin, S Farrona - Epigenomes, 2022 - mdpi.com
Polycomb Repressive Complex 2 (PRC2) is arguably the best-known plant complex of the
Polycomb Group (PcG) pathway, formed by a group of proteins that epigenetically represses …

The Harbinger transposon‐derived gene PANDA epigenetically coordinates panicle number and grain size in rice

D Mao, S Tao, X Li, D Gao, M Tang… - Plant Biotechnology …, 2022 - Wiley Online Library
Transposons significantly contribute to genome fractions in many plants. Although numerous
transposon‐related mutations have been identified, the evidence regarding transposon …

The evolutionary volte-face of transposable elements: from harmful jumping genes to major drivers of genetic innovation

M Nicolau, N Picault, G Moissiard - Cells, 2021 - mdpi.com
Transposable elements (TEs) are self-replicating DNA elements that constitute major
fractions of eukaryote genomes. Their ability to transpose can modify the genome structure …