RFHR 2-D PAGE Analysis of Escherichia coli Ribosomal Proteins

RFHR 2-D PAGE overcame weaknesses in the original Kaltschmidt and Wittmann method, eliminating spot pattern noise and achieving high-resolution separation of low molecular weight proteins. The method enabled the discovery of new ribosomal proteins bL35 and bL36, intact bL31, and identification of all ribosomal proteins corresponding to the E. coli genome. Analysis of total proteins in E. coli cells using the RFHR method revealed 65 spots exhibiting changes in protein content in the stationary phase.

Use Cases

• Benchmarking protein separation techniques based on the described RFHR 2-D PAGE method.
• Identifying ribosomal proteins in bacteria based on the discovery of proteins bL35 and bL36.
• Analyzing protein content changes during bacterial stationary phase based on the 65 spots exhibiting changes.
• Studying bacterial hibernation factors based on the discovery of the ribosomal hibernation state.

Strengths

• Method described overcame two serious weaknesses of the original 2-D PAGE technique.
• Analysis revealed 65 protein spots with content changes in the stationary phase.
• Dataset is openly licensed under CC-BY-4.0.

Limitations

• Description metadata is limited; actual data quality requires manual inspection after download.
• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.

Provenance

Source

Akira Wada

Collection Method

Radical-free and highly reducing (RFHR) two-dimensional polyacrylamide gel electrophoresis.

Freshness

Last updated 2026-04-24 04:22:31; freshness should be verified.