Discriminative phytoalexin accumulation in Lotus japonicus against symbiotic and non-symbiotic microorganisms and related chemical signals. 2013

Motomu Masai, and Miho Arakawa, and Koichi Iwaya, and Toshio Aoki, and Tomomi Nakagawa, and Shin-Ichi Ayabe, and Hiroshi Uchiyama
Department 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.

UI MeSH Term Description Entries
D009586 Nitrogen Fixation The process in certain BACTERIA; FUNGI; and CYANOBACTERIA converting free atmospheric NITROGEN to biologically usable forms of nitrogen, such as AMMONIA; NITRATES; and amino compounds. Diazotrophy,Diazotrophic Activity,Dinitrogen Fixation,N2 Fixation,Activities, Diazotrophic,Activity, Diazotrophic,Diazotrophic Activities,Fixation, Dinitrogen,Fixation, N2,Fixation, Nitrogen
D010940 Plant Proteins Proteins found in plants (flowers, herbs, shrubs, trees, etc.). The concept does not include proteins found in vegetables for which PLANT PROTEINS, DIETARY is available. Plant Protein,Protein, Plant,Proteins, Plant
D005408 Flagellin A protein with a molecular weight of 40,000 isolated from bacterial flagella. At appropriate pH and salt concentration, three flagellin monomers can spontaneously reaggregate to form structures which appear identical to intact flagella.
D000070116 Lotus A genus of the PEA FAMILY. The genus Lotus, formerly known as Tetragonolobus, is unrelated to other plants with the common name of lotus (NELUMBO and NYMPHAEA). Trefoil,Loteae,Lotus arabicus,Lotus corniculatus,Lotus japonicus,Trefoils
D000094162 Phytoalexins Secondary metabolites produced and accumulated by plants infected with microbial pathogen or otherwise under abiotic stress. Phytoalexins are structurally diverse but in common play a role in triggering PLANT SYSTEMIC ACQUIRED RESISTANCE. Diterpenoid Phytoalexins,Flavonoid Phytoalexins,Indole Phytoalexins,Isoflavonoid Phytoalexins,Phytoalexin Metabolites,Sesquiterpene Phytoalexins,Terpenoid Phytoalexins,Metabolites, Phytoalexin,Phytoalexins, Diterpenoid,Phytoalexins, Flavonoid,Phytoalexins, Indole,Phytoalexins, Isoflavonoid,Phytoalexins, Sesquiterpene,Phytoalexins, Terpenoid
D012231 Rhizobium A genus of gram-negative, aerobic, rod-shaped bacteria that activate PLANT ROOT NODULATION in leguminous plants. Members of this genus are nitrogen-fixing and common soil inhabitants.
D012717 Sesquiterpenes Fifteen-carbon compounds formed from three isoprenoid units with general formula C15H24. Farnesanes,Farnesene,Farnesenes,Sesquiterpene,Sesquiterpene Derivatives,Sesquiterpenoid,Sesquiterpenoids,Derivatives, Sesquiterpene
D013559 Symbiosis The relationship between two different species of organisms that are interdependent; each gains benefits from the other or a relationship between different species where both of the organisms in question benefit from the presence of the other. Endosymbiosis,Commensalism,Mutualism
D018506 Gene Expression Regulation, Plant Any of the processes by which nuclear, cytoplasmic, or intercellular factors influence the differential control of gene action in plants. Plant Gene Expression Regulation,Regulation of Gene Expression, Plant,Regulation, Gene Expression, Plant
D036226 Seedlings Young plants produced at the completion of GERMINATION of SEEDS. Seedling,Malted Grain,Sprouted Seeds,Sprouts, Plant,Grain, Malted,Grains, Malted,Malted Grains,Plant Sprout,Plant Sprouts,Seed, Sprouted,Seeds, Sprouted,Sprout, Plant,Sprouted Seed

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