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- Title
Plant-dependent active biological containment system for recombinant rhizobacteria.
- Authors
van Dillewijn, Pieter; Vilchez, Susana; Paz, José A.; Ramos, Juan L.
- Abstract
This work describes the construction of the rhizobacterium Pseudomonas putida strain CS-4, which contains an active biological containment (ABC) system that ensures bacterial suicide in the absence of proline. Maize plants exudate proline, which allows CS-4 to colonize the rhizosphere at a similar level to that of the wild-type strain. However, when the plants are removed, the CS-4 population decreased in bulk soil at a higher rate than the wild-type strain.
- Subjects
RHIZOBACTERIA; PSEUDOMONAS; BACTERIA; PROLINE; RHIZOSPHERE; BIOLOGY
- Publication
Environmental Microbiology, 2004, Vol 6, Issue 1, p88
- ISSN
1462-2912
- Publication type
Article
- DOI
10.1046/j.1462-2920.2003.00544.x