Description: I. Structure of transposable element.- LTR retrotransposons and the evolution of eukaryotic enhancers.- What makes Grande1 retrotransposon different?.- About the origin of retroviruses and the co-evolution of the gypsy retrovirus with the Drosophila flamenco host gene.- Structural analysis of Drosophila subobscura gypsy elements (gypsyDs).- Evolution of R1 and R2 in the rDNA units of the genus Drosophila.- Do the integrases of LTR-retrotransposons and class II element transposases have a common ancestor?.- II. Transposable elements and heterochromatin.- Evolutionary links between telomeres and transposable elements.- Constitutive heterochromatin and transposable elements in Drosophila melanogaster.- P element regulation and X-chromosome subtelomeric heterochromatin in Drosophila melanogaster.- III. Transposable elements and host phylogenies.- Quasispecies in retrotransposons: a role for sequence variability in Tntl evolution.- Genetic and molecular investigations on the endogenous mobile elements of non-drosophilid fruitflies.- Genomic distribution of the retrovirus-like element ZAM in Drosophila.- CM-gag, a transposable-like element reiterated in the genome of Culex pipiens mosquitoes contains only a gag gene.- IV. Dynamics and regulation of transposable elements.- Evidence for a host role in regulating the activity of transposable elements in Drosophila melanogaster: the case of the persistent instability of Baril elements in Charolles stock.- Plant S1 SINEs as model to study retroposition.- Maintenance of transposable element copy number in natural populations of Drosophila melanogaster and D. simulans.- Accumulation of transposable elements in laboratory ines of Drosophila melanogaster.- Regulation of the transposable element mariner.- The evolution of Ty1-copia group retrotransposons in eukaryote genomes.- The chromosomal distributions of Ty1-copia group retrotransposable elements in higher plants and their implications for genome evolution.- The Ty1-copia group of retrotransposons in plants: genomic organisation, evolution, and use as molecular markers.- BARE-1 insertion site preferences and evolutionary conservation of RNA and cDNA processing sites.- BARE-1D, a representative of a family of BARE-like elements of the barley genome.- The expression of the tobacco Tnt1 retrotransposon is linked to plant defense responses.- Fungal transposable elements and genome evolution.- Molecular domestication of mobile elements.- Genomic signatures: tracing the origin of retroelements at the nucleotide level C - Models of transposable elements dynamics.- Population genetics models of transposable elements.- A simulation of the P element horizontal transfer in Drosophila.

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