Rhizobacterial exopolysaccharides elicit induced resistance on cucumber

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Title
Rhizobacterial exopolysaccharides elicit induced resistance on cucumber
Author(s)
K Park; J W Kloepper; Choong-Min Ryu
Bibliographic Citation
Journal of Microbiology and Biotechnology, vol. 18, no. 6, pp. 1095-1100
Publication Year
2008
Abstract
The role of exopolysaccharides (EPSs) from a plant growth-promoting rhizobacterium, Burkholderia gladioli IN26, on elicitation of induced systemic resistance was investigated. A purified EPS induced expression of PR- 1a::GUS on tobacco and elicited induced resistance against Colletotrichum orbiculare on cucumber. The maximum level of disease protection was noted when seeds were soaked in 200 ppm of the EPS. Our results indicate that EPS from specific rhizobacteria can elicit induced resistance and suggest that bacterial EPS might be a useful elicitor of resistance under field conditions.
Keyword
plant growth-promoting rhizobacteriaexopolysaccharideinduced systemic resistance
ISSN
1017-7825
Publisher
South Korea
Type
Article
Appears in Collections:
Division of Research on National Challenges > Infectious Disease Research Center > 1. Journal Articles
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