ArticleThe Plant cell2007
The triploid endosperm genome of Arabidopsis adopts a peculiar, parental-dosage-dependent chromatin organization.
Article in The Plant cell, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.
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Who cites it
32 citing papers in PubMed, 94 citations in OpenAlex.
- Connecting high-resolution 3D chromatin maps with cell division and cell differentiation at the root apical meristem.Plant cell reports · 2024Article
- CRWN nuclear lamina components maintain the H3K27me3 landscape and promote successful reproduction in Arabidopsis.The New phytologist · 2024Article
- H2A.X promotes endosperm-specific DNA methylation in Arabidopsis thaliana.BMC plant biology · 2023Article
- CRWN nuclear lamina components maintain the H3K27me3 landscape and promote successful reproduction in Arabidopsis.bioRxiv : the preprint server for biology · 2023Article
- The maize gene maternal derepression of r1 encodes a DNA glycosylase that demethylates DNA and reduces siRNA expression in the endosperm.The Plant cell · 2022Article
- Cytogenetic events in the endosperm of amphiploid Avena magna × A. longiglumis.Journal of plant research · 2021Article
- Plant 3D genomics: the exploration and application of chromatin organization.The New phytologist · 2021Review
- INT-Hi-C reveals distinct chromatin architecture in endosperm and leaf tissues of Arabidopsis.Nucleic acids research · 2021Article
- An Arabidopsis AT-hook motif nuclear protein mediates somatic embryogenesis and coinciding genome duplication.Nature communications · 2021Article
- Polycomb mutant partially suppresses DNA hypomethylation-associated phenotypes in Arabidopsis.Life science alliance · 2021Article
- Article
- Probing the 3D architecture of the plant nucleus with microscopy approaches: challenges and solutions.Nucleus (Austin, Tex.) · 2019Review
- OPENER Is a Nuclear Envelope and Mitochondria Localized Protein Required for Cell Cycle Progression in Arabidopsis.The Plant cell · 2019Article
- The SMC5/6 Complex Subunit NSE4A Is Involved in DNA Damage Repair and Seed Development.The Plant cell · 2019Article
- Regulation of Parent-of-Origin Allelic Expression in the Endosperm.Plant physiology · 2019Article
- Plant Chromatin Catches the Sun.Frontiers in plant science · 2019Review
- Non-random chromosome arrangement in triploid endosperm nuclei.Chromosoma · 2017Article
- Endosperm and Imprinting, Inextricably Linked.Plant physiology · 2017Review
- The many faces of plant chromatin: Meeting summary of the 4th European workshop on plant chromatin 2015, Uppsala, Sweden.Epigenetics · 2015Article
- Chromatin associations in Arabidopsis interphase nuclei.Frontiers in genetics · 2014Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
5 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The endosperm is a seed tissue unique to flowering plants. Due to its central role in nourishing and protecting the embryo, endosperm development is subject to parental conflicts and adaptive processes, which led to the evolution of parent-of-origin-dependent gene regulation. The role of higher-order chromatin organization in regulating the endosperm genome was long ignored due to technical hindrance. We developed a combination of approaches to analyze nuclear structure and chromatin organization in Arabidopsis thaliana endosperm. Endosperm nuclei showed a less condensed chromatin than other types of nuclei and a peculiar heterochromatin organization, with smaller chromocenters and additional heterochromatic foci interspersed in euchromatin. This is accompanied by a redistribution of the heterochromatin mark H3K9me1 from chromocenters toward euchromatin and interspersed heterochromatin. Thus, endosperm nuclei have a specific nuclear architecture and organization, which we interpret as a relaxed chromocenter-loop model. The analysis of endosperm with altered parental genome dosage indicated that the additional heterochromatin may be predominantly of maternal origin, suggesting differential regulation of maternal and paternal genomes, possibly linked to genome dosage regulation.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.