Rhizobium Quorum-Sensing Systems: Genomic Distribution and Evolution Across 142 Genomes

A study analyzing 142 complete Rhizobium genomes to understand the diversity and evolution of quorum-sensing systems. The research, authored by Ivana Blancas-Nava and published on figshare in 2026, used comparative genomics and phylogenetic reconstruction. It details the heterogeneous distribution of LuxI/LuxR systems across chromosomes and plasmids, indicating dynamic gains and losses.

Use Cases

• Phylogenetic analysis of LuxI/LuxR homologs based on sequence similarity and Pfam domain architecture mentioned in the description
• Studying coevolution between synthase and regulator pairs using cophylogenetic approaches described in the study
• Analyzing genomic context to infer independent acquisition events of quorum-sensing systems as detailed in the description
• Investigating the role of plasmids as reservoirs for quorum-sensing system transfer highlighted in the findings

Strengths

• Analysis is based on 142 complete Rhizobium genomes, providing a defined genomic scope.
• The study identifies at least seven independent acquisition events for chromosomal quorum-sensing systems.
• Findings highlight the substantially greater diversity of plasmid-encoded systems in sequence and organization.

Limitations

• The primary data file is a 155.1 KB PDF, which is a small document rather than a structured dataset.
• Row count and column-level documentation are absent; data must be extracted from the publication.
• The dataset's scale is limited to the analysis presented in the single research paper.

Provenance

Source

figshare, authored by Ivana Blancas-Nava

Collection Method

Comparative genomics, phylogenetic reconstruction, and genomic context analysis of 142 complete Rhizobium genomes

Freshness

Last updated 2026-04-17 05:21:52