Rhizobium Quorum-Sensing Systems: Diversity and Evolution Across 142 Genomes

A 2026 analysis of quorum-sensing systems in 142 complete Rhizobium genomes by Ivana Blancas-Nava. The study uses comparative genomics, phylogenetic reconstruction, and genomic context analysis to examine the distribution and evolution of LuxI/LuxR homologs. Findings detail heterogeneous distribution, multiple acquisition events, and the role of plasmids as reservoirs for these systems.

Use Cases

• Phylogenetic reconstruction of LuxI/LuxR homologs based on sequence similarity and Pfam domain architecture mentioned in the description.
• Analyzing coevolution between LuxI/LuxR pairs using cophylogenetic approaches described in the study.
• Investigating the genomic context and distribution of quorum-sensing systems across chromosomes and plasmids as detailed in the analysis.
• Studying the role of horizontal gene transfer and plasmid-mediated transfer in quorum-sensing system evolution as 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 are derived from multiple methods: comparative genomics, phylogenetic reconstruction, and genomic context analysis.

Limitations

• The primary data file is a 90.0 KB PDF, which is a research article rather than a raw dataset; underlying genomic data is not directly provided.
• Column-level documentation for any underlying sequence or annotation data is absent; field semantics must be inferred from the publication.
• Row count for any potential underlying tabular data is unknown, which may limit suitability assessment for direct computational analysis.

Provenance

Source

Ivana Blancas-Nava via figshare.

Collection Method

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

Freshness

Last updated 2026-04-17 05:21:53.