Molecular characteristics of diverse populations are consistent with the hypothesis of a recent invasion of Drosophila melanogaster by mobile P elements. Evidence for horizontal transmission of the P transposable element between Drosophila species. Possible horizontal transfer of Drosophila genes by the mite Proctolaelaps regalis. Kidwell, M. G. 1993. Lateral transfer in natural populations of eukaryotes.
Phylogenetic analysis supports horizontal transfer of P transposable elements.
Kidwell, M. G. and D. Lisch. 1997. Transposable elements as sources of variation in animals and plants. Clark, J. B. and M. G. Kidwell 1997. A phylogenetic perspective on P element evolution in Drosophila.