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. 2000 Dec;182(23):6550–6556. doi: 10.1128/jb.182.23.6550-6556.2000

FIG. 1.

FIG. 1

Physical map of the algU-mucABCD region of A. vinelandii and of plasmids constructed in this study. Arrows indicate the direction of transcription. Antibiotic resistance cassettes, which are represented by inverted triangles, are not shown to scale. Abbreviations: E, EcoRV; S, StyI; X, XhoI.