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Nat Rev Microbiol. 2005 Apr;3(4):307-19.

Biological control of soil-borne pathogens by fluorescent pseudomonads.

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  • 1Department of Fundamental Microbiology, University of Lausanne, CH-1015 Lausanne, Switzerland. dieter.haas@unil.ch


Particular bacterial strains in certain natural environments prevent infectious diseases of plant roots. How these bacteria achieve this protection from pathogenic fungi has been analysed in detail in biocontrol strains of fluorescent pseudomonads. During root colonization, these bacteria produce antifungal antibiotics, elicit induced systemic resistance in the host plant or interfere specifically with fungal pathogenicity factors. Before engaging in these activities, biocontrol bacteria go through several regulatory processes at the transcriptional and post-transcriptional levels.

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