ArticleJournal of natural medicines2025
Overwhelming glycyrrhizin production in Glycyrrhiza glabra induced by rihizobial symbiosis.
Article in Journal of natural medicines, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Rhizobial inoculation promotes glycyrrhizic acid production through jasmonic acid signaling in Glycyrrhiza uralensis.Journal of natural medicines · 2026Article
- Effects of microbial inoculants and planting density on soybean summer-sown growth, nutrients accumulation and yield in Southern Xinjiang.Frontiers in plant science · 2026Article
- Physiological mechanisms ofFrontiers in plant science · 2026Article
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5 authors.
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Abstract
We reported that Glycyrrhiza uralensis inoculated with rhizobium tended to increase biomass production and glycyrrhizic acid (GL) production, in this study we have also achieved drastically increase in biomass and GL production in Glycyrrhiza glabra. At thirty days after inoculation (DAI), a significant increase in SPAD values was observed, and the expression of GL synthesis marker genes was also significantly increased. At 150 DAI, a significant increase in biomass was observed. Characteristically, it was also found that thick roots were enlarged by rhizobial inoculation. In addition, the expression of GL synthesis marker genes was also significantly increased. Moreover, GL content per unit root dry weight reached 4%, and GL production per plant increased six times compared to uninoculated plants. Moreover, we tried to reveal the mechanism of induction of GL production by rhizobial inoculation. Since it has been reported that the expression of jasmonic acid (JA) synthesis marker genes is increased by rhizobium in soybean, we investigated the expression of those genes in G. glabra, and found that GgMYC2 and GgJAR1 were up-regulated at Thirty DAI. Furthermore, methyl jasmonate treatment increased the expression of GL synthesis marker genes, suggesting that JA signaling is involved in the increased GL production due to rhizobial inoculation. These results aid in understanding the mechanism of increased GL production through the introduction of rhizobial symbiosis, and show the potential for providing a technology to significantly shorten the cultivation period for the production of Glycyrrhiza that meets the criteria for herbal medicines.
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