ArticleChromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology2011
CENH3 distribution and differential chromatin modifications during pollen development in rye (Secale cereale L.).
Article in Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.
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29 citing papers in PubMed, 58 citations in OpenAlex.
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- Epigenetic Dynamics and Regulation of Plant Male Reproduction.International journal of molecular sciences · 2022Review
- Microspore embryogenesis induction by mannitol and TSA results in a complex regulation of epigenetic dynamics and gene expression in bread wheat.Frontiers in plant science · 2022Article
- The epigenetic origin of life history transitions in plants and algae.Plant reproduction · 2021Review
- Proteomic Analysis of Generative and Vegetative Nuclei Reveals Molecular Characteristics of Pollen Cell Differentiation inFrontiers in plant science · 2021Article
- Only the Rye Derived Part of the 1BL/1RS Hybrid Centromere Incorporates CENH3 of Wheat.Frontiers in plant science · 2021Article
- Supernumerary B chromosomes of Aegilops speltoides undergo precise elimination in roots early in embryo development.Nature communications · 2020Article
- Targeted reprogramming of H3K27me3 resets epigenetic memory in plant paternal chromatin.Nature cell biology · 2020Article
- ResettingFrontiers in plant science · 2020Review
- Epigenetic Regulation of Plant Gametophyte Development.International journal of molecular sciences · 2019Review
- A transcriptional view on somatic embryogenesis.Regeneration (Oxford, England) · 2017Review
- Dynamics of post-translationally modified histones during barley pollen embryogenesis in the presence or absence of the epi-drug trichostatin A.Plant reproduction · 2017Article
- SDG2-Mediated H3K4me3 Is Crucial for Chromatin Condensation and Mitotic Division during Male Gametogenesis in Arabidopsis.Plant physiology · 2017Article
- Distinct chromatin environment associated with phosphorylated H3S10 histone during pollen mitosis I in orchids.Protoplasma · 2017Article
- Epigenetic marks in the Hyacinthus orientalis L. mature pollen grain and during in vitro pollen tube growth.Plant reproduction · 2016Article
- De Novo Centromere Formation and Centromeric Sequence Expansion in Wheat and its Wide Hybrids.PLoS genetics · 2016Article
- Article
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Authors and funding
4 authors at 3 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Microgametogenesis in angiosperms results in two structurally and functionally different cells, one generative cell, which subsequently forms the sperm cells, and the vegetative cell. We analysed the chromatin properties of both types of nuclei after first and second pollen mitosis in rye (Secale cereale). The condensed chromatin of generative nuclei is earmarked by an enhanced level of histone H3K4/K9 dimethylation and H3K9 acetylation. The less condensed vegetative nuclei are RNA polymerase II positive. Trimethylation of H3K27 is not involved in transcriptional downregulation of genes located in generative nuclei as H3K27me3 was exclusively detected in the vegetative nuclei. The global level of DNA methylation does not differ between both types of pollen nuclei. In rye, unlike in Arabidopsis thaliana (Ingouff et al. Curr Biol 17:1032-1037 2007; Schoft et al. EMBO Rep 10:1015-1021 2009), centromeric histone H3 is not excluded from the chromatin of the vegetative nucleus and the condensation degree of centromeric and subtelomeric regions did not differ between the generative and vegetative nuclei. Differences between rye and A. thaliana data suggest that the chromatin organization in mature nuclei of pollen grains is not universal across angiosperms.
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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.