1. Amann, E., Brosius, J., and Ptashne, M., 1983, Vectors bearing a hybrid trp-lac promoter useful for regulated expression of cloned genes in Escherichia coli, Gene 25:167–178.
2. Andersson, S. G. E., and Kurland, C.G., 1990, Codon preferences in free-living microorganisms, Microbiol. Rev. 54:198–210.
3. Ausubel, F. M., Brent, R., Kingston, R. E., Moore, D. D., Seidan, J. G., Smith, J. A., and Struhl, K. (eds.), 1987, Current Protocols in Molecular Biology, John Wiley, New York.
4. Baker, T. A., Grossman, A. D., and Gross, C. A., 1984, A gene regulating the heat shock response in Escherichia coli also affects proteolysis, Proc. Natl. Acad. Sci. USA 81:6779–6783.
5. Baneyx, F., and Georgiou, G., 1991, Construction and characterization of Escherichia coli strains deficient in multiple secreted proteases: Protease III degrades high-molecular-weight substrates in vivo, J. Bacteriol. 173:2696–2703.