FIG. 4.
Response of orf18 mutants and control strains to growth on media with and without added glycerol. (A) S. clavuligerus wild type growing on SA-1% glycerol. (B) S. clavuligerus pgyl-orf18::neo mutant growing on SA-1% glycerol. (C) S. clavuligerus pgyl-orf18 strain growing on SA-1% glycerol. (D) S. clavuligerus pgyl-xylE strain growing on SA-1% glycerol. (E) S. clavuligerus nat-orf18::neo strain growing on SA with no added glycerol. (F) S. clavuligerus nat-orf18::neo strain growing on SA-1% glycerol.