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Anaerobic growth of various arabinose transport mutants of E. coli in arabinose (1%) minimal medium with sodium acetate (0.1%). Wild type, W3110; Δ(araFGH), AH245; Δ(araE), AH247; pflB ΔfocA-pflB, AH243; pflB Δ(araF-H), AH248; pflB Δ(araE), AH250. Cultures were grown at 37°C at pH 7.0 in a pH-stat under argon gas phase.
