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Fig. 8 | Environmental Microbiome

Fig. 8

From: Glycyrrhiza uralensis Fisch. Root-associated microbiota: the multifaceted hubs associated with environmental factors, growth status and accumulation of secondary metabolites

Fig. 8

Schematic model of the G. uralensis root-associated microbiota, with special focus on the influence of PGPR on the plant growth and the accumulation of glycyrrhizic acid and liquiritin. PGPR was reported to act as additional function biome to the host plant, especially the extra heteroauxin (eg: IAA) supply to the host plant. The arrows indicate a physical or chemical step in the mechanism. The symbol “⊥” means ethylene inhibit root elongation. The dotted arrow indicate a hypothetical physical step, and the symbol “⊥” in dotted line means hypothetical inhibition of the pathogen to G. uralensis. The thick arrow to the left means the deduced influence from the root-associated microbiota to the G. uralensis root. The thick arrow to the right means the deduced influence from the G. uralensis root to the root-associated microbiota. The thick arrow pointing down means the deduced influence from the G. uralensis root to the root-associated microbiota. Key: IAA, indoleacetic acid; ACC, 1-aminocyclopropane-1-carboxylic acid; AdoMet, S-adenosyl-methionine, α-kB, α-ketobutyrate

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Environmental Microbiome

ISSN: 2524-6372