2008•Journal of BacteriologyOpen access

Oxidant-Responsive Induction of the suf Operon, Encoding a Fe-S Assembly System, through Fur and IscR in Escherichia coli

Kyung-Chang Lee, Won‐Sik Yeo, Jung‐Hye Roe

Abstract

The suf operon encoding a Fe-S assembly system is induced by peroxides through activators OxyR and IscR in Escherichia coli. For apo-IscR to bind, oxidation-mediated dissociation of Fur is required. Therefore, a peroxide-responsive signal is transduced through OxyR, IscR, and Fur to achieve oxidation-sensitive and maximal induction of this operon.

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Key concepts: Operon, Escherichia coli, Biology, lac operon, gal operon, trp operon, Biochemistry, L-arabinose operon