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Transcriptome Analysis of Pseudomonas putida in Response to Nitrogen Availability ^,

Centro Andaluz de Biología del Desarrollo/CSIC/Universidad Pablo de Olavide, Carretera de Utrera, Km. 1, 41013 Seville, Spain

Received 31 July 2007/ Accepted 8 October 2007

This work describes a regulatory network of Pseudomonas putida controlled in response to nitrogen availability. We define NtrC as the master nitrogen regulator and suggest that it not only activates pathways for the assimilation of alternative nitrogen sources but also represses carbon catabolism under nitrogen-limited conditions, possibly to prevent excessive carbon and energy flow in the cell.

Published ahead of print on 26 October 2007.

Supplemental material for this article may be found at http://jb.asm.org/.