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Table 1 Comparison of reduction rates of several electron acceptors with pyruvate as electron donor by S. oneidensis MR-1 wild type strain and etrA knockout strain EtrA7-1.

From: Fnr (EtrA) acts as a fine-tuning regulator of anaerobic metabolism in Shewanella oneidensisMR-1

Electron acceptor

Wild type (μM min-1)

ETRA7-1 (μM min-1)

Nitrate

1.2 ± 0.1

0.3 ± 0.01

Fumarate

6.4 ± 0.6

3.8 ± 0.2

DMSO

0.8 ± 0.2

0.4 ± 0.1

  1. Data are means ± the standard deviation from three independent cultures.