DDM1-mediated R-loop resolution and H2A. Z exclusion facilitates heterochromatin formation in Arabidopsis

J Zhou, X Lei, S Shafiq, W Zhang, Q Li, K Li, J Zhu… - Science …, 2023 - science.org
Programmed constitutive heterochromatin silencing is essential for eukaryotic genome
regulation, yet the initial step of this process is ambiguous. A large proportion of R-loops …

Telomeres in plants and humans: not so different, not so similar

P Procházková Schrumpfová, M Fojtová, J Fajkus - Cells, 2019 - mdpi.com
Parallel research on multiple model organisms shows that while some principles of telomere
biology are conserved among all eukaryotic kingdoms, we also find some deviations that …

Cytidine analogs in plant epigenetic research and beyond

E Dvořák Tomaštíková, A Pecinka - Journal of Experimental …, 2024 - academic.oup.com
Cytosine (DNA) methylation plays important roles in silencing transposable elements, plant
development, genomic imprinting, stress responses, and maintenance of genome stability …

Genome-wide characterization of i-motifs and their potential roles in the stability and evolution of transposable elements in rice

X Ma, Y Feng, Y Yang, X Li, Y Shi, S Tao… - Nucleic Acids …, 2022 - academic.oup.com
I-motifs (iMs) are non-canonical DNA secondary structures that fold from cytosine (C)-rich
genomic DNA regions termed putative i-motif forming sequences (PiMFSs). The structure of …

Telomeres and subtelomeres dynamics in the context of early chromosome interactions during meiosis and their implications in plant breeding

M Aguilar, P Prieto - Frontiers in Plant Science, 2021 - frontiersin.org
Genomic architecture facilitates chromosome recognition, pairing, and recombination.
Telomeres and subtelomeres play an important role at the beginning of meiosis in specific …

[HTML][HTML] The epigenetic regulation of centromeres and telomeres in plants and animals

M Achrem, I Szućko, A Kalinka - Comparative Cytogenetics, 2020 - ncbi.nlm.nih.gov
The centromere is a chromosomal region where the kinetochore is formed, which is the
attachment point of spindle fibers. Thus, it is responsible for the correct chromosome …

Chromatin dynamics of plant telomeres and ribosomal genes

M Dvořáčková, M Fojtová, J Fajkus - The Plant Journal, 2015 - Wiley Online Library
Telomeres and genes encoding 45S ribosomal RNA (rDNA) are frequently located adjacent
to each other on eukaryotic chromosomes. Although their primary roles are different, they …

Composite 5-methylations of cytosines modulate i-motif stability in a sequence-specific manner: Implications for DNA nanotechnology and epigenetic regulation of …

P Školáková, Z Badri, S Foldynová-Trantírková… - … et Biophysica Acta (BBA …, 2020 - Elsevier
Background The i-motif is a tetrameric DNA structure based on the formation of
hemiprotonated cytosine-cytosine (C+. C) base pairs. i-motifs are widely used in …

Chromatin features of plant telomeric sequences at terminal vs. internal positions

E Majerová, T Mandáková, GTH Vu, J Fajkus… - Frontiers in Plant …, 2014 - frontiersin.org
Epigenetic mechanisms are involved in regulation of crucial cellular processes in eukaryotic
organisms. Data on the epigenetic features of plant telomeres and their epigenetic …

DDM1 guards against telomere truncation in Arabidopsis

X Xie, DE Shippen - Plant cell reports, 2018 - Springer
Key message Prolonged hypomethylation of DNA leads to telomere truncation correlated
with increased telomere recombination, transposon mobilization and stem cell death …