The origin and ecological significance of multiple branches for histidine utilization in Pseudomonas aeruginosa PAO1.

Abstract excerpt

Pseudomonas proliferate in a wide spectrum of harsh and variable environments. In many of these environments, amino acids, such as histidine, are a valuable source of carbon, nitrogen and energy. Here, we demonstrate that the histidine uptake and utilization (hut) pathway of Pseudomonas aeruginosa PAO1 contains two branches from the intermediate formiminoglutamate to the product glutamate. Genetic analysis...

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