Pseudovirion are synthetic viruses used to inject genetic material, including DNA

DNA

Deoxyribonucleic acid is a nucleic acid that contains the genetic instructions used in the development and functioning of all known living organisms . The DNA segments that carry this genetic information are called genes, but other DNA sequences have structural purposes, or are involved in...

 and RNA

RNA

Ribonucleic acid , or RNA, is one of the three major macromolecules that are essential for all known forms of life....

, with specific and desired traits into bacterial and eukaryotic cells. Pseudoviruses are closely related to viruses in structure and behavior but lack many characterists exhibited by true viruses, including the capability to replicate.