ArticleChromosoma1994
Structure, molecular evolution and maintenance of copy number of extended repeated structures in the X-heterochromatin of Drosophila melanogaster.
Article in Chromosoma, 1994. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed, 34 citations in OpenAlex.
- Genetic variation in recalcitrant repetitive regions of theGenome research · 2025Article
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- Generating a knockdown transgene against Drosophila heterochromatic Tim17b gene encoding mitochondrial translocase subunit.PloS one · 2011Article
- A model of segmental duplication formation in Drosophila melanogaster.Genome research · 2007Article
- Article
- Recurrent insertion and duplication generate networks of transposable element sequences in the Drosophila melanogaster genome.Genome biology · 2006Article
- Article
- Diverse DNA transposons in rotifers of the class Bdelloidea.Proceedings of the National Academy of Sciences of the United States of America · 2005Article
- The GATE retrotransposon in Drosophila melanogaster: mobility in heterochromatin and aspects of its expression in germline tissues.Molecular genetics and genomics : MGG · 2003Article
- Cytogenetic analysis of the third chromosome heterochromatin of Drosophila melanogaster.Genetics · 2002Article
- Heterochromatic Stellate gene cluster in Drosophila melanogaster: structure and molecular evolution.Genetics · 1997Article
- Review
- Rates of movement of transposable elements in Drosophila melanogaster.Molecular & general genetics : MGG · 1996Article
- Complex patterns of transcription of a Drosophila retrotransposon in vivo and in vitro by RNA polymerases II and III.Nucleic acids research · 1995Article
- The pvB370 BamHI satellite DNA family of the Drosophila virilis group and its evolutionary relation to mobile dispersed genetic pDv elements.Journal of molecular evolution · 1995Article
- Article
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The 60 kb repeats located in the distal heterochromatin of the X chromosome of Drosophila melanogaster were cloned in overlapping cosmids. These regions, designated as SCLRs, comprised the following types of repeated elements: Stellate genes, which are known to be involved in spermatogenesis; copia-like retrotransposons; LINE elements, including amplified Type I rDNA insertions; and rDNA fragments. The following steps in SCLR formation were hypothesized: insertion of mobile elements into the rDNA and Stellate gene clusters; internal tandem duplication events; recombination between the rDNA cluster and Stellate tandem repeat; and amplification of the whole SCLR structure. There are about nine SCLR copies per haploid genome, but there is approximately a twofold variation in copy number between fly stocks. The SCLR copy number differences between closely related stocks are suggested to be the result of unequal sister chromatid exchange (USCE). The restricted variation in SCLR copy number between unrelated stocks and the absence of chromosomes free of SCLRs suggests that natural selection is active in copy number maintenance.
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