Making healthier or killing enemies? : bacterial volatile-elicited plant immunity plays major role upon protection of Arabidopsis than the direct pathogen inhibition

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Title
Making healthier or killing enemies? : bacterial volatile-elicited plant immunity plays major role upon protection of Arabidopsis than the direct pathogen inhibition
Author(s)
R Sharifi; Choong-Min Ryu
Bibliographic Citation
Communicative & Integrative Biology, vol. 9, no. 4, pp. e1197445-e1197445
Publication Year
2016
Abstract
Bacterial volatiles protect plants either by directly inhibiting a pathogenic fungus or by improving the defense capabilities of plants. The effect of bacterial volatiles on fungal growth was dosedependent. A low dosage did not have a noticeable effect on Botrytis cinerea growth and development, but was sufficient to elicit induced resistance in Arabidopsis thaliana. Bacterial volatiles displayed negative effects on biofilm formation on a polystyrene surface and in in planta leaf colonization of B. cinerea. However, bacterial volatile-mediated induced resistance was the major mechanism mediating protection of plants from B. cinerea. It was responsible for more than 90% of plant protection in comparison with direct fungal inhibition. Our results broaden our knowledge of the role of bacterial volatiles in plant protection.
Keyword
bacterial volatile organic compoundsfungal inhibitioninduced systemic resistanceleaf surface attachmentplant growthpromoting rhizobacteria
ISSN
1942-0889
Publisher
Taylor & Francis Open
DOI
http://dx.doi.org/10.1080/19420889.2016.1197445
Type
Article
Appears in Collections:
Division of Research on National Challenges > Infectious Disease Research Center > 1. Journal Articles
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