A plasmid is a small, circular, double-stranded DNA molecule that is distinct from a cell's chromosomal DNA. Plasmids naturally exist in bacterial cells, and they also occur in some eukaryotes.

Recombinant DNA is one of the first stories in modern biotechnology history. The National Museum of American History contains collections which trace this foundational technique of genetic engineering ...

Genetic engineering, also known as genetic modification, is a set of technologies used to change the genetic makeup of cells, including the transfer of genes within and across species boundaries to ...

These features, in conjunction with several other biosafety enhancements, prevent recombination of replication-competent HIV. All lentivirus vectors produced in the VDL are produced in compliance with ...