ArticleChromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology2003
Distribution of XCAP-E and XCAP-D2 in the Xenopus oocyte nucleus.
Article in Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology, 2003. 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, 14 citations in OpenAlex.
- The 3D genomics of lampbrush chromosomes highlights the role of active transcription in chromatin organization.Nucleic acids research · 2026Article
- New Insights Into Chromomere Organization Provided by Lampbrush Chromosome Microdissection and High-Throughput Sequencing.Frontiers in genetics · 2020Article
- The condensin complexes play distinct roles to ensure normal chromosome morphogenesis during meiotic division in Arabidopsis.The Plant journal : for cell and molecular biology · 2014Article
- Chromomeres revisited.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2012Article
- Association of modified cytosines and the methylated DNA-binding protein MeCP2 with distinctive structural domains of lampbrush chromatin.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome 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
- C. elegans dosage compensation: a window into mechanisms of domain-scale gene regulation.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2009Review
- Splicing-independent recruitment of spliceosomal small nuclear RNPs to nascent RNA polymerase II transcripts.The Journal of cell biology · 2007Article
- Article
- The tripartite motif of nuclear factor 7 is required for its association with transcriptional units.Molecular and cellular biology · 2007Article
- Cohesion proteins are present in centromere protein bodies associated with avian lampbrush chromosomes.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2005Article
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Authors and funding
5 authors at 2 institutions in 3 countries.
Funding
Abstract
Several antibodies were used to examine the distribution of two condensin members, XCAP-E and XCAP-D2, in the nucleus of Xenopus oocytes. XCAP-D2 was found to be associated with the lampbrush chromosomes. The chromosomal regions containing XCAP-D2 correspond precisely to domains of highly compacted chromatin, suggesting a direct contribution of XCAP-D2 in meiotic chromatin organization. In contrast, XCAP-E was found to be absent from chromosomes but was detected at a high concentration in the granular component of nucleoli. The subnucleolar localization of XCAP-E was further confirmed by double labeling using several nucleolar protein markers. The fate of nucleolar XCAP-E was also followed when changes in the nucleoli morphology were artificially induced. The apparent exclusion of XCAP-E from the ribosomal DNA and its tight association with the granular component in all preparations suggest that it might be sequestrated in nucleoli during early stages of meiosis. Interestingly, both XCAP-D2 and XCAP-E were also detected in Cajal bodies, which are organelles suspected to play a role in the assembly/modification of the RNA transcription and processing machinery. The presence of two condensins in CBs might extend such a role of assembly to chromatin macromolecular components as well.
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