Plant protection using AHL‐producing bacteria

The implementation of beneficial microorganisms for plant protection has a long history. Many rhizobia bacteria are able to influence the immune system of host plants by inducing resistance towards pathogenic microorganisms. In this report, we present a translational approach in which we demonstrate...

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Bibliographic Details
Published in:Microbial biotechnology 2014-11, Vol.7 (6), p.580-588
Main Authors: Casandra Hernández‐Reyes, Schenk, Sebastian T, Neumann, Christina, Karl‐Heinz Kogel, Schikora, Adam
Format: Article
Language:English
Subjects:
Bacteria
Bacterial infections
Barley
Crop diseases
Fungi
Gene expression
Homoserine lactones
Host plants
Human nutrition
Humidity
Immune system
Impact analysis
Lactones
Legumes
Microorganisms
Nitrogen
Nitrogen fixation
Nitrogenation
Nodulation
Nutrition
Pathogens
Plant protection
Plant resistance
Probiotics
Salmonella
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Summary:The implementation of beneficial microorganisms for plant protection has a long history. Many rhizobia bacteria are able to influence the immune system of host plants by inducing resistance towards pathogenic microorganisms. In this report, we present a translational approach in which we demonstrate the resistance‐inducing effect of Ensifer meliloti (Sinorhizobium meliloti) on crop plants that have a significant impact on the worldwide economy and on human nutrition. Ensifer meliloti is usually associated with root nodulation in legumes and nitrogen fixation. Here, we suggest that the ability of S. meliloti to induce resistance depends on the production of the quorum‐sensing molecule, oxo‐C14‐HSL. The capacity to enhanced resistance provides a possibility to the use these beneficial bacteria in agriculture. Using the Arabidopsis‐Salmonella model, we also demonstrate that the application of N‐acyl‐homoserine lactones‐producing bacteria could be a successful strategy to prevent plant‐originated infections with human pathogens.
ISSN:1751-7915
DOI:10.1111/1751-7915.12177