Molecular Biology and Evolution, Vol 12, 723-734, Copyright © 1995 by Society for Molecular Biology and Evolution
MI Galindo, V Ladeveze, F Lemeunier, R Kalmes, G Periquet and L Pascual
The transposable element hobo has been introduced into the previously empty
Drosophila melanogaster strain Hikone so that its dynamics can be followed
and it can be compared with the P element. Five transformed lines were
followed over 58 generations. The results were highly dependent on the
culture temperature, the spread of hobo element being more efficient at 25
degrees C. The multiplication of hobo sequences resulted in a change in the
features of these lines in the hobo system of hybrid dysgenesis. The number
of hobo elements remained low (two to seven copies) and the insertions
always corresponded to complete sequences. Our findings suggest that,
despite their genetic similarities, P and hobo elements differ in many
aspects, such as mobility and regulation mechanisms.
ORIGINAL ARTICLE
Spread of the autonomous transposable element hobo in the genome of Drosophila melanogaster
Departament de Genetica, Universitat de Valencia, Spain.
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