1. Phenotypic stability of trp operon recombinant plasmids in Escherichia coli;Imanaka;J. Gen. Microbiol.,1980
2. TnA-directed deletion of the trp operon from RSF2124-trp in Escherichia coli;Tsunekawa;J. Gen. Microbiol.,1981
3. New approach to tryptophan production by Escherichia coli: genetic manipulation of composite plasmids in vitro;Aiba;Appl. Environ. Microbiol.,1982
4. Instability of plasmid harboring strain of E. coli in continuous culture;Dwivedi;Biotechnol. Bioeng.,1982
5. Application of recombinant DNA technology to the production of useful biomaterials;Imanaka;Adv. Biochem. Eng. Biotechnol.,1986