Gene Duplication and Whole Genome Duplication in Root Nodule Symbiosis Evolution

This dataset contains information on gene duplications and whole-genome duplications (WGDs) related to the evolution of root nodule symbiosis (RNS) in legumes. It focuses on identifying gene superfamilies with independent WGDs that occurred after the gamma triplication event but before the evolution of RNS, helping resolve the puzzle of why RNS appears only in the nitrogen-fixing nodule clade (NFNC) tens of millions of years after the gamma event.

Use Cases

• Analyzing patterns of gene duplication in symbiotic trait evolution
• Studying the impact of ancient WGDs on novel organ functions
• Identifying candidate genes essential for root nodule symbiosis

Strengths

• Focuses on a specific evolutionary puzzle (RNS timing)
• Identifies gene superfamilies with independent WGDs

Limitations

• Dataset size is small (13.9 KB PDF)
• Actual data content and structure require manual inspection after download
• Column-level documentation is absent; field semantics must be inferred

Provenance

Source

Study by Hyunmin Lee et al., shared via figshare

Collection Method

Comparative genomic analysis

Time Range

Evolutionary timescale (millions of years)

Geography

Not applicable