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Updated: May 28, 2026
07:34
Soybean Hairy Root Transformation for the Analysis of Gene Function
Published on: May 5, 2023
Multi-Omics Revealed Key Pathways Related to Soybean (Glycine max [L.] Merr.) Seed Hardness
Zhen Yuan1, Jialiang Liu1, Zhilin Zou1
1College of Agriculture, Northeast Agricultural University, Harbin 150000, China.
International Journal of Molecular Sciences
|May 27, 2026
Summary
This study deciphers soybean seed hardness using multi-omics. A key gene, Glyma.19G030500, involved in isoflavone malonyltransferase, was identified as crucial for processing quality.
Area of Science:
- Agricultural Science
- Plant Genetics
- Biochemistry
Background:
- Soybean seed hardness is vital for processing and quality.
- Genetic and metabolic regulation of seed hardness is not well understood.
Purpose of the Study:
- To systematically investigate the genetic and metabolic mechanisms controlling soybean seed hardness.
- To identify key genes and pathways involved in this complex trait.
Main Methods:
- A multi-omics approach was used, integrating genome-wide association study (GWAS), transcriptomics (RNA-seq), and metabolomics (LC-MS).
- Analysis was performed on 162 soybean germplasm accessions from Northeast China.
Main Results:
- Four significant quantitative trait nucleotides (QTNs) were identified on chromosomes 15 and 19.
- 573 differentially expressed genes (DEGs) and 784 differentially accumulated metabolites (DAMs) were found between extreme phenotypes.
- Joint analysis highlighted 14 enriched pathways, particularly in secondary metabolite biosynthesis.
- The gene Glyma.19G030500, encoding isoflavone malonyltransferase, was identified as a primary hub gene.
Conclusions:
- The study elucidates key genetic and metabolic players in soybean seed hardness.
- Glyma.19G030500 is a critical gene for optimizing soybean processing qualities.
- Findings provide genomic targets for marker-assisted breeding of soybeans with improved processing traits.
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