1. 1 Jaurin, B. and Grundström, T. (1981) ampC cephalosporinase of Escherichia coli K-12 has a different evolutionary origin from that of β-lactamase of the penicillinase type 2nd Edn., 78, In Proc. Natl. Acad. Sci. USA, pp 4897â4901.
2. 2 Grundström, T. and Jaurin, B. (1982) Overlap between ampC and frd operons on the Escherichia coli chromosome 2nd Edn., 79, In Proc. Natl. Acad. Sci. USA, pp 1111â1115.
3. In vivo regulation of chromosomal β-lactamase in Escherichia coli;Jaurin;J. Bacteriol.,1979
4. The E. coliβ-lactamase attenuator mediates growth rate-dependent regulation;Jaurin;Nature,1981
5. Identification of a novel ampC promoter in a clinical isolate of Escherichia coli;Olsson;EMBO J.,1982