This collection features gene transfer methods, including viral vector-mediated transduction and non-viral vector-mediated physical and chemical transfection techniques to deliver genetic material in cultured cells and in vivo animal models at their embryonic and adult stages. Highlights include transfection utilizing hydrodynamics, microinjection, biolistics, nucleofection, and magnetofection techniques, and transduction via retroviral, adenoviral, nanoblade, and lentiviral systems.