Abstract
Germ-line transformation of a major agricultural pest, the Mexican fruit fly (Anastrepha ludens Loew, Mexfly), was achieved using composite piggyBac transposable elements marked with green, yellow and red fluorescent proteins (CopGreen, PhiYFP and J-Red). We also investigated the possibility of generating transposon-free insertions, in order to address potential concerns relating to proposed field use of transgenic Mexfly. We describe a highly efficient method for transforming Mexfly, compare efficiency of piggyBac terminal sequences for transformation and also describe the derivation of a transposon-free insertion line. The development of an efficient transformation system for Mexfly holds great promise for improved applications of the sterile insect technique, a major component of the present control measures for this economically important pest species.
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