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areCBA Is an Operon in Acinetobacter Sp. Strain ADP1 and Is Controlled by AreR, a sigma(54)-dependent Regulator

areCBA Is an Operon in Acinetobacter Sp. Strain ADP1 and Is Controlled by AreR, a sigma(54)-dependent Regulator

R M Jones, P A Williams

J Bacteriol. 2001 Jan;183(1):405-9.

PMID: 11114944

Abstract:

The areCBA genes in Acinetobacter sp. strain ADP1, determining growth on benzyl alkanoates, are shown to be transcribed as a single operon and regulated by areR, which encodes a regulatory protein of the NtrC/XylR family. Assays of the Are enzymes and of two insertions of lacZ as a reporter gene have shown that the operon is induced by benzyl acetate, benzyl alcohol, and benzaldehyde, as well as 2- and 4-hydroxybenzyl acetates and benzyl propionate and butyrate. Two adjacent sites of transcriptional initiation were 97 and 96 bp upstream of the start codon for areC, near a sigma(54)-dependent -12, -24 promoter. Inactivation of areR and rpoN (for RNA polymerase sigma(54)) drastically reduced growth rates on the Are substrates and induction of the operon.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP122634	Benzyl propionate		122-63-4	Price

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