Analysis of Gene Duplication Impacts on Root Nodule Symbiosis in Legumes

A figshare-hosted research article investigates the role of whole genome and local gene duplications in the evolution of root nodule symbiosis within legumes. The study focuses on gene superfamilies with duplications occurring after the ancient gamma paleohexaploidy event (~120 million years ago) and before the Late Cretaceous emergence of symbiosis. Author Hyun-oh Lee published the 78.4 KB PDF document under a CC-BY-4.0 license in May 2026.

Use Cases

• Identifying candidate gene families for functional studies based on duplication history analysis mentioned in the description.
• Modeling trait evolution and loss across species based on the referenced phylogenetic framework of approximately 13,000 rosid species.
• Investigating the molecular mechanisms of organ evolution based on the study's focus on neo- and sub-functionalization following gene duplications.

Strengths

• The study provides a specific temporal context, referencing the gamma paleohexaploidy event ~120 million years ago and the Late Cretaceous emergence of root nodule symbiosis.
• The analysis is grounded in a defined phylogenetic scope, the 'nitrogen-fixing nodulation clade (NFNC)' encompassing approximately 16–18 lineages.

Limitations

• The dataset is a 78.4 KB PDF document, which is a research article rather than a structured data file like a table or sequence alignment.
• Column-level documentation and sample data are unavailable, limiting immediate computational analysis.
• The row count and specific data formats for underlying analyses are unknown.

Provenance

Source

figshare

Collection Method

Likely contains compiled genomic and phylogenetic analyses, though the specific methodology is described within the research article.

Time Range

Evolutionary timeframe spanning from the gamma event (~120 Mya) to the Late Cretaceous.

Freshness

Last updated 2026-05-12 05:44:07.

Geography

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