Lederberg also founded and directed the now-defunct Plasmid Reference Center at Stanford University, where she maintained, named, and distributed plasmids of many types, including those coding for antibiotic resistance, heavy metal resistance, virulence, conjugation, colicins, transposons, and other unknown factors.
Lederberg tamén fundou e dirixiu o agora extinto Plasmid Reference Center na Universidade de Stanford, onde mantiña, nomeaba e distribuía plásmidos de moitos tipos, incluíndo aqueles con resistencia antibiótica, resistencia a metais pesados, virulencia, conxugación, colicinas, transposones, e outros factores descoñecidos.