Preferential Reduction of Fe(III) over Fumarate by Geobacter sulfurreducens

AUTOR(ES)
FONTE

American Society for Microbiology

RESUMO

The presence of Fe(III), but not that of Fe(II), resulted in ca. 20-fold-lower levels of mRNA for fumarate reductase, inhibiting fumarate reduction and favoring utilization of fumarate as an electron donor in chemostat cultures of Geobacter sulfurreducens, despite the fact that growth yield with fumarate was 3-fold higher than with Fe(III).

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