ArticleNucleic acids research1996
Molecular structure of a gypsy element of Drosophila subobscura (gypsyDs) constituting a degenerate form of insect retroviruses.
Article in Nucleic acids research, 1996. 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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15 citing papers in PubMed, 47 citations in OpenAlex.
- The absence of core piRNA biogenesis factors does not impact efficient transposon silencing in Drosophila.PLoS biology · 2023Article
- Mobilome of theInternational journal of molecular sciences · 2022Article
- Catalogue of the Diptera (Insecta) of Morocco- an annotated checklist, with distributions and a bibliography.ZooKeys · 2022Article
- A new approach for detecting adventitious viruses shows Sf-rhabdovirus-negative Sf-RVN cells are suitable for safe biologicals production.BMC biotechnology · 2018Article
- Origin of the retroviruses: when, where, and how?Current opinion in virology · 2017Review
- Expression of Drosophila virilis retroelements and role of small RNAs in their intrastrain transposition.PloS one · 2011Article
- Multiple invasions of Gypsy and Micropia retroelements in genus Zaprionus and melanogaster subgroup of the genus Drosophila.BMC evolutionary biology · 2009Article
- Gypsy endogenous retrovirus maintains potential infectivity in several species of Drosophilids.BMC evolutionary biology · 2008Article
- Distribution of the transposable elements bilbo and gypsy in original and colonizing populations of Drosophila subobscura.BMC evolutionary biology · 2008Article
- Polymorphism of canonical and noncanonical gypsy sequences in different species of Drosophila melanogaster subgroup: possible evolutionary relations.Molecular genetics and genomics : MGG · 2008Article
- Characterization of a nucleocapsid-like region and of two distinct primer tRNALys,2 binding sites in the endogenous retrovirus Gypsy.Nucleic acids research · 2006Article
- A long terminal repeat-containing retrotransposon of Schizosaccharomyces pombe expresses a Gag-like protein that assembles into virus-like particles which mediate reverse transcription.Journal of virology · 2003Article
- Comparative and functional studies of Drosophila species invasion by the gypsy endogenous retrovirus.Genetics · 2002Article
- Relatedness of baculovirus and gypsy retrotransposon envelope proteins.BMC evolutionary biology · 2001Article
- Evolution and phylogeny of insect endogenous retroviruses.BMC evolutionary biology · 2001Article
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2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We have determined the nucleotide sequence of a 7.5 kb full-size gypsy element from Drosophila subobscura strain H-271. Comparative analyses were carried out on the sequence and molecular structure of gypsy elements of D.subobscura (gypsyDs), D.melanogaster (gypsyDm) and D.virilis (gypsyDv). The three elements show a structure that maintains a common mechanism of expression. ORF1 and ORF2 show typical motifs of gag and pol genes respectively in the three gypsy elements and could encode functional proteins necessary for intracellular expansion. In the three ORF1 proteins an arginine-rich region was found which could constitute a RNA binding motif. The main differences among the gypsy elements are found in ORF3 (env-like gene); gypsyDm encodes functional env proteins, whereas gypsyDs and gypsyDv ORF3s lack some motifs essential for functionality of this protein. On the basis of these results, while gypsyDm is the first insect retrovirus described, gypsyDs and gypsyDv could constitute degenerate forms of these retroviruses. In this context, we have found some evidence that gypsyDm could have recently infected some D.subobscura strains. Comparative analyses of divergence and phylogenetic relationships of gypsy elements indicate that the gypsy elements belonging to species of different subgenera (gypsyDs and gypsyDv) are closer than gypsy elements of species belonging to the same subgenus (gypsyDs and gypsyDm). These data are congruent with horizontal transfer of gypsy elements among different Drosophila spp.
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