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Acidic pH. NrtR. DtxR. McbR. SigH. RamA. RamB. RipA. GlxR. CysR. Iron transport. Iron enzyme synthesis. NAD synthesis. Met/Cys synthesis. ATP synthesis. H 2 O 2 formation. Signal. Fe 2+ oxidation. metabolite pools metabolic flux. growth rate. Regulator. Process.
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Acidic pH NrtR DtxR McbR SigH RamA RamB RipA GlxR CysR Iron transport Iron enzyme synthesis NAD synthesis Met/Cys synthesis ATP synthesis H2O2 formation Signal Fe2+ oxidation metabolite pools metabolic flux growth rate Regulator Process sdhABC acn catA … sufS metB atpA … atpF cg0767-71 nadC metE cg0926-28 nadA metN nrtR metQ Met/ Cys imbalance C1 metabolism Iron limitation Growth inhibition Redox stress TCA cycle inhibition Consequence