The lipoxygenase gene family: a genomic fossil of shared polyploidy between Glycine max and Medicago truncatula
2008

Study of Lipoxygenase Genes in Soybean and Medicago

publication Evidence: moderate

Author Information

Author(s): Shin Jin Hee, Van Kyujung, Kim Dong Hyun, Kim Kyung Do, Jang Young Eun, Choi Beom-Soon, Kim Moon Young, Lee Suk-Ha

Primary Institution: Seoul National University

Hypothesis

The study investigates the evolutionary relationship of soybean lipoxygenase isozymes due to shared polyploidy events.

Conclusion

The soybean lipoxygenase gene family expanded through ancient polyploidy before taxon divergence, followed by specific duplications in soybean.

Supporting Evidence

  • The study identified 34 lipoxygenase genes in soybean and Medicago.
  • Differential evolutionary rates were observed between soybean and Medicago lipoxygenase genes.
  • The analysis supports the hypothesis of shared polyploidy events in the common ancestor of soybean and Medicago.

Takeaway

This study looks at how certain genes in soybeans evolved over time, showing that they got bigger and changed because of past events in their family tree.

Methodology

Comparative genomics and phylogenetic analysis were used to study the lipoxygenase gene family in soybean and Medicago.

Digital Object Identifier (DOI)

10.1186/1471-2229-8-133

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