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  Bradyrhizobium japonicum mutants defective in cyclic ß-glucan synthesis show enhanced sensitivity to plant defense responses

Mithöfer, A., Bhagwat, A., Keister, D., & Ebel, J. (2001). Bradyrhizobium japonicum mutants defective in cyclic ß-glucan synthesis show enhanced sensitivity to plant defense responses. Zeitschrift für Naturforschung, 56, 581-584.

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EXT061.pdf (Publisher version), 368KB
 
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Mithöfer, Axel1, Author           
Bhagwat, A.A., Author
Keister, D.L., Author
Ebel, J., Author
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1External Organizations, ou_persistent22              

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 Abstract: Susceptibility of the nitrogen-fixing soybean symbiont Bradyrhizobium japonicum to inducible plant defense metabolites such as phytoalexin and H2O2, was investigated. On the wild-type strain USDA 110 the soybean phytoalexin, glyceollin, showed bacteriostatic activity. Viable bacteria isolated from intact nodules were adapted to glyceollin. H2O2 in physiological concentrations did not affect wild-type bacteria. B. japonicum mutants defective in the biosynthesis of cyclic beta-(1-->3)-(1-->6)-glucans showed higher susceptibility to both phytoalexin and H2O2.

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 Dates: 2001
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Title: Zeitschrift für Naturforschung
Source Genre: Journal
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Pages: - Volume / Issue: 56 Sequence Number: - Start / End Page: 581 - 584 Identifier: -