Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Isoflavonoid biosynthesis and accumulation in developing soybean seeds.

Sangeeta Dhaubhadel1, Brian D McGarvey, Ruthanne Williams

  • 1Agriculture and Agri-Food Canada, 1391 Sandford Street, London, Ontario, Canada N5V 4T3.

Plant Molecular Biology
|April 15, 2004
PubMed
Summary

Soybean embryos can synthesize isoflavonoids, which are important compounds in seeds. However, some isoflavonoids may also be transported from maternal tissues to the developing seeds.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

GmCYP86A37 is a bifunctional cytochrome P450 essential for soybean root aliphatic suberin biosynthesis.

Frontiers in plant science·2026
Same author

Effector gene silencing coordinated by histone methylation and small RNAs enhances host adaptation in a plant pathogen.

Nucleic acids research·2026
Same author

Temporal sampling of root exudates using coated blade-SPME for decoding plant-pathogen interactions.

Frontiers in plant science·2025
Same author

Molecular insights into postharvest seed coat darkening in common beans: a look beyond the <i>P</i> gene.

Frontiers in plant science·2025
Same author

Proanthocyanidin biosynthesis and postharvest seed coat darkening in pinto bean.

Phytochemistry reviews : proceedings of the Phytochemical Society of Europe·2025
Same author

Discovery of three cytochrome P450 monooxygenase prenyl cyclases that catalyze the final step of glyceollin biosynthesis in soybean.

Molecular plant·2025

Area of Science:

  • Plant biochemistry
  • Molecular biology
  • Agricultural science

Background:

  • Isoflavonoids are key soybean seed compounds with variable accumulation.
  • Understanding their synthesis and transport is crucial for soybean improvement.

Purpose of the Study:

  • To investigate whether soybean isoflavonoids are synthesized in seeds or transported from other plant organs.
  • To identify the genes and pathways involved in isoflavonoid accumulation in soybean seeds.

Main Methods:

  • High-performance liquid chromatography (HPLC) for isoflavonoid analysis.
  • Gene expression analysis of 2-hydroxyisoflavanone synthase (IFS) genes.
  • Radiolabeling studies using [(14)C]phenylalanine.
  • Reciprocal crosses between soybean cultivars.

Related Experiment Videos

Main Results:

  • Isoflavonoids were detected in all soybean organs, with highest concentrations in mature seeds and leaves.
  • IFS1 and IFS2 gene expression varied by tissue and developmental stage, with notable expression in embryos, seed coats, and pods.
  • Developing embryos and other organs incorporated radiolabel into isoflavonoids.
  • Excised embryos synthesized isoflavonoids in vitro, and maternal effects influenced seed content.

Conclusions:

  • Soybean embryos possess the capacity for de novo isoflavonoid synthesis.
  • Transport from maternal tissues likely contributes to seed isoflavonoid accumulation.
  • Both endogenous synthesis and maternal contribution play roles in soybean seed isoflavonoid levels.