ArticleChromosoma2006
The SuUR gene influences the distribution of heterochromatic proteins HP1 and SU(VAR)3-9 on nurse cell polytene chromosomes of Drosophila melanogaster.
Article in Chromosoma, 2006. 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, 15 citations in OpenAlex.
- Genome-wide analysis of SU(VAR)3-9 distribution in chromosomes of Drosophila melanogaster.Chromosoma · 2018Article
- DNA replication in nurse cell polytene chromosomes of Drosophila melanogaster otu mutants.Chromosoma · 2015Article
- Article
- Drosophila SUUR protein associates with PCNA and binds chromatin in a cell cycle-dependent manner.Chromosoma · 2013Article
- Late replication domains in polytene and non-polytene cells of Drosophila melanogaster.PloS one · 2012Article
- The SUUR protein is involved in binding of SU(VAR)3-9 and methylation of H3K9 and H3K27 in chromosomes of Drosophila melanogaster.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2011Article
- Article
- Heterochromatin protein 1 (HP1) modulates replication timing of the Drosophila genome.Genome research · 2010Article
- Review
- POF and HP1 bind expressed exons, suggesting a balancing mechanism for gene regulation.PLoS genetics · 2007Article
- High-resolution mapping reveals links of HP1 with active and inactive chromatin components.PLoS genetics · 2007Article
Corrections and comments
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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
We have investigated the distribution of three heterochromatic proteins [SUppressor of UnderReplication (SUUR), heterochromatin protein 1 (HP1), and SU(VAR)3-9] in chromosomes of nurse cells (NCs) and have compared the data obtained with the distribution of the same proteins in salivary gland (SG) chromosomes. In NC chromosomes, the SU(VAR)3-9 protein was found in pericentric heterochromatin and at 223 sites on euchromatic arms, while in SG chromosomes, it was mainly restricted to the chromocenter. In NC chromosomes, the HP1 and SUUR proteins bind to 331 and 256 sites, respectively, which are almost twice the number of sites in SG chromosomes. The distribution of the HP1 and SU(VAR)3-9 proteins depends on the SuUR gene. A mutation in this gene results in a dramatic decrease in the amount of SU(VAR)3-9 binding sites in autosomes. In the X chromosome, these sites are relocated in comparison to the SuUR (+), and their total number only varies slightly. HP1 binding sites are redistributed in chromosomes of SuUR mutants, and their overall number did not change as considerably as SU(VAR)3-9. These data together point to an interaction of these three proteins in Drosophila NC chromosomes.
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