ArticleChromosoma1996
Distribution of T1, Q, Pegasus and mariner transposable elements on the polytene chromosomes of PEST, a standard strain of Anopheles gambiae.
Article in Chromosoma, 1996. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 35 citations in OpenAlex.
- Article
- Breakpoint structure of the Anopheles gambiae 2Rb chromosomal inversion.Malaria journal · 2010Article
- Chromosomal plasticity and evolutionary potential in the malaria vector Anopheles gambiae sensu stricto: insights from three decades of rare paracentric inversions.BMC evolutionary biology · 2008Article
- SNP discovery and molecular evolution in Anopheles gambiae, with special emphasis on innate immune system.BMC genomics · 2008Article
- Segmental duplication implicated in the genesis of inversion 2Rj of Anopheles gambiae.PloS one · 2007Article
- Heterologous expression of four glutathione transferase genes genetically linked to a major insecticide-resistance locus from the malaria vector Anopheles gambiae.The Biochemical journal · 2003Article
- Construction of a BAC library and generation of BAC end sequence-tagged connectors for genome sequencing of the African malaria mosquito Anopheles gambiae.Molecular genetics and genomics : MGG · 2003Article
- The esterase and PHD domains in CR1-like non-LTR retrotransposons.Molecular biology and evolution · 2003Article
- Comparative genomic analysis in the region of a major Plasmodium-refractoriness locus of Anopheles gambiae.Proceedings of the National Academy of Sciences of the United States of America · 2002Article
- Review
- Identification of a novel class of insect glutathione S-transferases involved in resistance to DDT in the malaria vector Anopheles gambiae.The Biochemical journal · 2001Article
- Tsessebe, Topi and Tiang: three distinct Tc1-like transposable elements in the malaria vector, Anopheles gambiae.Genetica · 1999Article
- Pegasus, a small terminal inverted repeat transposable element found in the white gene of Anopheles gambiae.Genetica · 1996Article
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Authors and funding
2 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The chromosomal locations of four families of transposable elements, T1, Q, Pegasus and mariner, have been determined by in situ hybridization to polytene chromosomes of ovarian nurse cells of the mosquito Anopheles gambiae. As part of this effort, we have developed a vigorous pink-eyed laboratory strain of A. gambiae (PEST), rendered homozygous standard for chromosomal inversions on all autosomes. Ten different individuals of this strain were studied with each transposable element probe. The average number of hybridization sites per genome was 83.9 for T1, 63.4 for Q, 31.5 for Pegasus and 64.7 for mariner, excluding pericentric and centromeric regions. However, some degree of polymorphism was observed within each family such that, considering all ten individuals, 94 different sites were detected for T1, 82 sites for Q, 45 sites for Pegasus and 71 sites for mariner. The mean occupancy per site varied from 0.70 (Pegasus) to 0.91 (mariner), which, while significantly higher than that seen for transposable elements in natural populations of Drosophila melanogaster, is comparable to that seen in established laboratory stocks. In addition, these element families were not randomly distributed. All but Pegasus were concentrated in centromeric heterochromatin and centromere-proximal euchromatin, most showed a deficit of hybridization sites in the distal section of chromosomes, and a significant proportion of sites were coincident between families. These results provide the first detailed examination of the cytogenetic location of transposable elements in a nondrosophilid insect, and, through comparison with the behavior of transposable elements in Drosophila, may provide insight into the interaction between elements and host. The mapped elements are also expected to serve as landmarks useful in integrating the developing physical map of the PEST strain with the chromosomal banding pattern.
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