ArticleChromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology2005
Cohesion proteins are present in centromere protein bodies associated with avian lampbrush chromosomes.
Article in Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed, 35 citations in OpenAlex.
- The 3D genomics of lampbrush chromosomes highlights the role of active transcription in chromatin organization.Nucleic acids research · 2026Article
- Lampbrush chromosomes of Danio rerio.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2025Article
- The first chicken oocyte nucleus whole transcriptomic profile defines the spectrum of maternal mRNA and non-coding RNA genes transcribed by the lampbrush chromosomes.Nucleic acids research · 2024Article
- New Insights Into Chromomere Organization Provided by Lampbrush Chromosome Microdissection and High-Throughput Sequencing.Frontiers in genetics · 2020Article
- Identification of Genomic Loci Responsible for the Formation of Nuclear Domains Using Lampbrush Chromosomes.Non-coding RNA · 2019Review
- Low-voltage scanning electron microscopy study of lampbrush chromosomes and nuclear bodies in avian and amphibian oocytes.Scientific reports · 2016Article
- Dynamics of cohesin subunits in grasshopper meiotic divisions.Chromosoma · 2013Article
- High-resolution mapping and transcriptional activity analysis of chicken centromere sequences on giant lampbrush chromosomes.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2012Article
- Chromomeres revisited.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2012Article
- Centromere positions in chicken and Japanese quail chromosomes: de novo centromere formation versus pericentric inversions.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2012Article
- Non-canonical Cajal bodies form in the nucleus of late stage avian oocytes lacking functional nucleolus.Histochemistry and cell biology · 2012Article
- Lampbrush chromosomes enable study of cohesin dynamics.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2009Article
- Review. Meiotic drive and sex determination: molecular and cytological mechanisms of sex ratio adjustment in birds.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2008Review
- Tandem 41-bp repeats in chicken and Japanese quail genomes: FISH mapping and transcription analysis on lampbrush chromosomes.Chromosoma · 2007Article
- On the positions of centromeres in chicken lampbrush chromosomes.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2006Article
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Authors and funding
3 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Proteins of sister chromatid cohesion are important for maintenance of meiotic chromosome structure and retention of homologous chromosomes in bivalents during diplotene. Localization of the cohesion proteins within nuclei of growing oocytes merits special attention, particularly in avian oocytes, in which diplotene chromosomes assume the form of lampbrush chromosomes (LBCs). We performed indirect immunostaining using antibodies against cohesins SMC1alpha, SMC1beta, SMC3, Rad21, and the SA/STAG family on chaffinch, pigeon and duck LBCs spreads, and frozen ovary sections. On LBCs spreads, antibodies to the majority of cohesins showed punctate staining on chromosome axes. LBC lateral loops, where sister chromatids are separated, did not show cohesin components. The spherical entities attached to the LBCs centromeres in avian germinal vesicles, the so-called protein bodies (PBs), were enriched in SMC1alpha, SMC3, Rad21, STAG1 and STAG2. The synaptonemal complex component SYCP3, which also participates in cohesion, was detected in the axes of avian lampbrush bivalents and, to a greater degree, in the PBs. In vitellogenic oocytes, cohesion proteins persist in the PBs associated with condensing bivalents when they concentrate into the karyosphere. These results indicate that cohesion proteins accumulate in centromere PBs in avian oocytes and are involved into structural maintenance of lampbrush chromosome axes.
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