Abstract
TALENs (Transcription Activator-Like EndoNuclease) are molecular scissors designed to recognize and introduce a double-strand break at a specific genome locus. They represent tools of interest in the frame of genome edition. Upon cleavage, two different pathways lead to DNA repair: Non-homologous End Joining (NHEJ) repair, leading to efficient introduction of short insertion/deletion mutations which can disrupt translational reading frame and Homology Recombination (HR)-directed repair that occurs when exogenous DNA is supplied. Here we introduce how to use TALENs in the oleaginous yeast Yarrowia lipolytica by presenting a step-by-step method allowing to knock out or to introduce in vivo a point mutation in a gene of Yarrowia lipolytica. This chapter describes the material required, the transformation procedure, and the screening process.
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