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May 9, 2026PlantsOpen Access

Transcriptomic Comparison of Soybean Roots Inoculated with Different Rhizobium Strains During Early Symbiosis

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Authors

QLQin LinChinese Academy of Agricultural SciencesZWZiji WuRXRuixin XuChinese Academy of Sciences

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Overview

Randomized trial compares symbiotic efficiency of rhizobial strains in soybean, suggesting insights for crop improvement.

Key Points

  • This study aims to compare the transcriptomic responses of soybean roots to different rhizobial strains during early symbiosis.
  • Conducted a transcriptomic analysis at 3 days post-inoculation (dpi) of soybean roots inoculated with two rhizobial strains.
  • Evaluated symbiotic phenotypes, including nodule number and nitrogenase activity, at 21 dpi.
  • Performed comparative analysis between Bradyrhizobium ottawaense Bott 59 and Bradyrhizobium diazoefficiens USDA 110.
  • Bott 59-inoculated plants showed a higher nodule number, nitrogenase activity, and biomass compared to USDA 110.
  • Transcriptomic analysis revealed conserved host responses such as NIN-mediated signaling and enhanced expression of flavonoid biosynthesis genes.
  • Bott 59 induced significant transcriptional changes in auxin, cytokinin, and jasmonic acid pathways.

Cite This Study

Lin et al. (2026) studied this question.

synapsesocial.com/papers/69fed090b9154b0b828779e1https://doi.org/10.3390/plants15091417
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