ArticleJournal of experimental botany2015
Spatial distribution of centromeres and telomeres at interphase varies among Brachypodium species.
Article in Journal of experimental botany, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Maize chromatin introgression's effect in oat × maize addition lines.Journal of applied genetics · 2026Article
- Insight into chromatin compaction and spatial organization in rice interphase nuclei.Frontiers in plant science · 2024Article
- Interphase chromosomes of the Aedes aegypti mosquito are liquid crystalline and can sense mechanical cues.Nature communications · 2023Article
- Review
- 3-D Nucleus Architecture in Oat × Maize Addition Lines.International journal of molecular sciences · 2020Article
- Nuclear Disposition of Alien Chromosome Introgressions into Wheat and Rye Using 3D-FISH.International journal of molecular sciences · 2019Article
- Chromosome identification and reconstruction of evolutionary rearrangements in Brachypodium distachyon, B. stacei and B. hybridum.Annals of botany · 2018Article
- Article
- Epigenetics of the preferential silencing of Brachypodium stacei-originated 35S rDNA loci in the allotetraploid grass Brachypodium hybridum.Scientific reports · 2017Article
- The arrangement of Brachypodium distachyon chromosomes in interphase nuclei.Journal of experimental botany · 2016Article
- Telomere- and Telomerase-Associated Proteins and Their Functions in the Plant Cell.Frontiers in plant science · 2016Review
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Authors and funding
3 authors.
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No grant is acknowledged in the PubMed record.
Abstract
In this study the 3-D distribution of centromeres and telomeres was analysed in the interphase nuclei of three Brachypodium species, i.e. B. distachyon (2n=10), B. stacei (2n=20) and B. hybridum (2n=30), which is presumably a hybrid between the first two species. Using fluorescence in situ hybridization (FISH) with centromeric and telomeric DNA probes, it was observed that the majority of B. distachyon nuclei in the root tip cells displayed the Rabl configuration while both B. stacei and B. hybridum mostly lacked the centromere-telomere polarization. In addition, differentiated leaf cells of B. distachyon did not display the Rabl pattern. In order to analyse the possible connection between the occurrence of the Rabl pattern and the phase of cell cycle or DNA content, FISH was combined with digital image cytometry. The results revealed that the frequency of nuclei with the Rabl configuration in the root tip nuclei was positively correlated with an increase in DNA content, which resulted from DNA replication. Also, the analysis of the influence of the nuclear shape on the nuclear architecture indicated that an increasing elongation of the nuclei negatively affected the occurrence of the Rabl pattern. Some possible explanations of these phenomena are discussed.
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