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. 2003 Jan;71(1):163–172. doi: 10.1128/IAI.71.1.163-172.2003

FIG. 3.

FIG. 3.

β-Galactosidase activity in the complemented E. coli arcA mutant: comparison of E. coli strains carrying plasmids for complementing the chromosomal arcA mutation in cis. The β-galactosidase (β-gal) activity of a succinate dehydrogenase (sdh)-lacZ reporter fusion was measured during anaerobic growth.

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