Gene Duplication Impacts on Legume Root Nodule Symbiosis Evolution

A 10.2 MB Excel file uploaded by Hyun-oh Lee on May 12, 2026, analyzes gene superfamilies involved in the evolution of root nodule symbiosis in legumes. The study focuses on the roles of ancient whole-genome duplications and more recent local duplications occurring after the gamma paleohexaploidy event approximately 120 million years ago. It identifies duplications essential for the symbiotic function that arose in the interim period before the Late Cretaceous evolution of the trait.

Use Cases

• Analyzing the evolutionary history of gene families based on duplication events mentioned in the description
• Investigating the molecular mechanisms of root nodule symbiosis based on identified essential gene superfamilies
• Modeling trait gain and loss in the nitrogen-fixing nodulation clade based on phylogenetic context
• Studying the functional impact of whole-genome duplications versus local gene duplications on novel organ evolution

Strengths

• Dataset size is 10.2 MB, indicating a substantial amount of data
• License is CC-BY-4.0, allowing for broad reuse and sharing
• Description provides specific evolutionary context, including the ~120 Mya gamma event and Late Cretaceous RNS emergence

Limitations

• Column-level documentation is absent; field semantics must be inferred after download
• Row count is unknown, which may limit suitability assessment
• Freshness should be verified as the last update date is in the future (2026-05-12)

Provenance

Source

figshare

Time Range

Evolutionary analysis spanning from the gamma paleohexaploidy (~120 Mya) to the Late Cretaceous

Freshness

Last updated 2026-05-12 05:44:02