Epigenetic regulation during plant development and the capacity for epigenetic memory

EA Hemenway, M Gehring - Annual review of plant biology, 2023 - annualreviews.org
The establishment, maintenance, and removal of epigenetic modifications provide an
additional layer of regulation, beyond genetically encoded factors, by which plants can …

Small RNA-mediated DNA methylation during plant reproduction

HT Chow, RA Mosher - The Plant Cell, 2023 - academic.oup.com
Reproductive tissues are a rich source of small RNAs, including several classes of short
interfering (si) RNAs that are restricted to this stage of development. In addition to RNA …

[HTML][HTML] Epigenetic control of transposons during plant reproduction: From meiosis to hybrid seeds

K Pachamuthu, F Borges - Current Opinion in Plant Biology, 2023 - Elsevier
The regulation of transposable elements (TEs) requires overlap** epigenetic
modifications that must be reinforced every cell division and generation. In plants, this is …

Potent pollen gene regulation by DNA glycosylases in maize

Y Zeng, J Somers, HS Bell, Z Vejlupkova… - Nature …, 2024 - nature.com
Although DNA methylation primarily represses TEs, it also represses select genes that are
methylated in plant body tissues but demethylated by DNA glycosylases (DNGs) in …

Parental dialectic: Epigenetic conversations in endosperm

S Khouider, M Gehring - Current Opinion in Plant Biology, 2024 - Elsevier
Endosperm is a major evolutionary innovation of flowering plants, and its proper
development critically impacts seed growth and viability. Epigenetic regulators have a key …

RNA-directed DNA methylation mutants reduce histone methylation at the paramutated maize booster1 enhancer

I Hövel, R Bader, M Louwers, M Haring, K Peek… - Plant …, 2024 - academic.oup.com
Paramutation is the transfer of mitotically and meiotically heritable silencing information
between two alleles. With paramutation at the maize (Zea mays) booster1 (b1) locus, the low …

Dynamic DNA methylation turnover in gene bodies is associated with enhanced gene expression plasticity in plants

CJ Williams, D Dai, KA Tran, JG Monroe, BP Williams - Genome Biology, 2023 - Springer
Background In several eukaryotes, DNA methylation occurs within the coding regions of
many genes, termed gene body methylation (GbM). Whereas the role of DNA methylation on …

Active DNA demethylation in plants: 20 years of discovery and beyond

H Zhang, Z Gong, JK Zhu - Journal of Integrative Plant Biology, 2022 - Wiley Online Library
Maintaining proper DNA methylation levels in the genome requires active demethylation of
DNA. However, removing the methyl group from a modified cytosine is chemically difficult …

Distinct regulatory pathways contribute to dynamic CHH methylation patterns in transposable elements throughout Arabidopsis embryogenesis

J Lee, S Lee, K Park, SY Shin, JM Frost… - Frontiers in plant …, 2023 - frontiersin.org
CHH methylation (mCHH) increases gradually during embryogenesis across
dicotyledonous plants, indicating conserved mechanisms of targeting and conferral …

A DNA demethylase reduces seed size by decreasing the DNA methylation of AT-rich transposable elements in soybean

W Wang, T Zhang, C Liu, C Liu, Z Jiang… - Communications …, 2024 - nature.com
Understanding how to increase soybean yield is crucial for global food security. The genetic
and epigenetic factors influencing seed size, a major crop yield determinant, are not fully …