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United States Department of Agriculture

Agricultural Research Service

Research Project: BIOLOGY, BIOLOGICAL CONTROL, AND MOLECULAR GENETICS OF ROOT DISEASES OF WHEAT, BARLEY AND BIOFUELS BRASSICAS

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Title: Of Two Make One: The Biosynthesis of Phenazines)

Author
item Mentel, Matthias
item Ahuja, Ekta
item Mavrodi, Dmitri
item Breinbauer, Rolf
item Thomashow, Linda
item Blankenfeldt, Wulf

Submitted to: ChemBioChem
Publication Type: Peer reviewed journal
Publication Acceptance Date: 8/5/2009
Publication Date: 8/5/2009
Citation: Mentel, M., Ahuja, E.G., Mavrodi, D.V., Breinbauer, R., Thomashow, L.S., Blankenfeldt, W. Of Two Make One: The Biosynthesis of Phenazines. ChemBioChem 2009, 10, 2295-2304.

Interpretive Summary: Phenazine compounds produced by certain species of bacteria have antibiotic activity against a wide range of bacterial and fungal pathogens including many that cause important root diseases of plants. The antibiotic activity of these compounds has long been known but the mechanism of synthesis is poorly understood, making it difficult to fully exploit their biological potential. This paper reviews the discovery and early research on phenazines, the roles of these compounds in nature, and the genetics, enzymology and biochemistry of phenazine biosynthesis. Molecular mechanisms of phenazine ring assembly are presented and unresolved questions are considered about the biosynthesis, regulation, resistance mechanisms and physiological roles of phenazines.

Technical Abstract: Phenazine compounds produced by certain species of bacteria have antibiotic activity against a wide range of bacterial and fungal pathogens including many that cause important root diseases of plants. The antibiotic activity of these compounds has long been known but the mechanism of synthesis is poorly understood, making it difficult to fully exploit their biological potential. This paper reviews the discovery and early research on phenazines, the roles of these compounds in nature, and the genetics, enzymology and biochemistry of phenazine biosynthesis. Molecular mechanisms of phenazine ring assembly are presented and unresolved questions are considered about the biosynthesis, regulation, resistance mechanisms and physiological roles of phenazines.

Last Modified: 8/24/2016
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