Transposition rate of the 412 retrotransposable element is independent of copy number in natural populations of Drosophila simulans |
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Authors: | Vieira C; Biemont C |
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Institution: | Laboratoire de Biometrie, Genetique, Biologie des Populations, Universite Lyon, Villeurbanne, France. |
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Abstract: | The transposition and excision rates of the 412 retrotransposable element
were estimated in five populations of Drosophila simulans differing in
their average 412 copy numbers, which ranged from 2 to 54. The
transposition rate was found to equal 1 x 10(-3) to 2 x 10(-3),
independently of copy number. No excision was detected. These values
eliminate autoregulation as a force maintaining copy number of the 412
element in natural populations of D. simulans.
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