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Open AccessRecurrent insertion and duplication generate networks of transposable element sequences in the Drosophila melanogaster genome
The recent availability of genome sequences has provided unparalleled insights into the broad-scale patterns of transposable element (TE) sequences in eukaryotic genomes. Nevertheless, the difficulties that TE...
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Article
Open AccessP elements and MITE relatives in the whole genome sequence of Anopheles gambiae
Miniature Inverted-repeat Terminal Elements (MITEs), which are particular class-II transposable elements (TEs), play an important role in genome evolution, because they have very high copy numbers and display ...
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Article
Domesticated P Elements in the Drosophila montium Species Subgroup Have a New Function Related to a DNA Binding Property
Molecular domestication of a transposable element is defined as its functional recruitment by the host genome. To date, two independent events of molecular domestication of the P transposable element have been de...
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Article
Detection of New Transposable Element Families in Drosophila melanogaster and Anopheles gambiae Genomes
The techniques that are usually used to detect transposable elements (TEs) in nucleic acid sequences rely on sequence similarity with previously characterized elements. However, these methods are likely to mis...
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Article
Telomeric Transgenes and trans-Silencing in Drosophila
Autonomous P elements, inserted in heterochromatic telomeric associated sequences (TAS) at the X chromosome telomere (site 1A) have strong P element regulatory properties that include repression of P-induced hybr...
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Article
Molecular domestication – more than a sporadic episode in evolution
Transposable elements are short but complex pieces of DNA or RNA containing a streamlined minimal-genome with the capacity for its selfish replication in a foreign genomic environment. Cis-regulatory sections wit...
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Article
A simulation of P element horizontal transfer in Drosophila
Experimental data suggest that the P transposable element has invaded the Drosophila melanogaster genome after a horizontal transfer from the phylogenetically distant species Drosophila willistoni. The differe...
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Article
P element regulation and X-chromosome subtelomeric heterochromatin in Drosophila melanogaster
In Drosophila melanogaster, crossing males carrying autonomous P elements with females devoid of P copies results in hybrid dysgenesis in the germline of progeny. The reciprocal cross produces non-dysgenic pro...
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Article
P-elements are old components of the Scaptomyza pallida genome
We report the cloning and analysis of a sample representative of all P-elements from Scaptomyza pallida. We have compared four independent stocks of this species, using Southern blot and in situ hybridization exp...
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Article
DrosophilaP element: Transposition, regulation and evolution
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Article
Copy number and distribution of P and I mobile elements in Drosophila melanogaster populations
The distribution of the number of copies of P and I transposable elements per genome was investigated by in situ hybridization for a large set of Drosophila melanogaster strains. These included the P, Q and M′ ty...
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Article
Chromosomal distribution of P and I transposable elements in a natural population of Drosophila melanogaster
The chromosomal distribution of P and I transposable elements was studied, by in situ hybridisation, in 25 isofemale lines of Drosophila melanogaster collected at Nasr'Allah in Tunisia. An important interline var...
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Article
Hybrid dysgenesis in Drosophila melanogaster: Influence of temperature on cytotype determination in the P-M system
In Drosophila melanogaster, the P-M system of hybrid dysgenesis is a syndrome of germ line abnormalities, including temperature dependent gonadal dysgenesis (GD sterility), high rates of mutation and male recombi...