Genetic study of the loss and restoration of Mutator transposon activity in maize: evidence against dominant-negative regulator associated with loss of activity.

Abstract excerpt

The Mutator system of transposable elements is characterized by a family of transposons called Mu transposons that share common termini and are actively transposing in Robertson's Mutator (Mu) lines of maize. Mu lines lose transposition activity during propagation by either outcrossing or inbreeding. This loss of transposition activity, which can occur at non-Mendelian frequencies, is in the form of loss of...

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