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Biosci Biotechnol Biochem. 2013;77(8):1773-5. Epub 2013 Aug 7.

Discriminative phytoalexin accumulation in Lotus japonicus against symbiotic and non-symbiotic microorganisms and related chemical signals.

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  • 1Department of Applied Biological Sciences, Nihon University.


The phytoalexin response of Lotus japonicus seedlings to selected microbes and chemical signals was analyzed. The symbiotic rhizobium induced vestitol production weakly, while non-symbiotic rhizobia and potential pathogens led to increases in its accumulation. Whereas chitin-related molecules were ineffective, a flagellin-derived peptide not of symbiont origin induced phytoalexin production, indicating discriminative antibiotic production by the plant host.

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