Biological Systems / Proteomics

A changing proteome. A more persistent growth-associated core.

Separating shared growth-associated proteins from environment-specific adaptation in a metabolically versatile bacterium.
Published + public software Question → model → evidence
Published CorePredX Figure 1 panels A and B: condition-resolved proteomics and growth-rate modeling followed by SHAP and growth-determinant interpretation.

Proteome measurements feed growth-rate modeling and interpretation of shared and condition-specific growth determinants. Figure 1A–B, cropped from the published article. Osinuga, Kathol & Saha, mSystems (2026) · CC BY 4.0.

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The Question

Rhodopseudomonas palustris reorganizes its proteome across lignin-derived substrates and oxygen conditions. Which patterns remain informative about growth across those different environments?

My Contribution

I developed CorePredX to connect quantitative proteomics with growth prediction and dependence-aware interpretation. My work spans the computational question, methodology, software, analysis, validation, and scientific communication.

  • Quantitative proteomics
  • Neural prediction
  • SHAP attribution
  • Redundancy analysis
  • Cross-condition interpretation

What the record shows

Published in mSystems in May 2026, the study identifies a compact hierarchy of candidate growth-associated proteins beneath broader proteome remodeling, motivating more focused biological follow-up.

What this does—and does not—establish

Predictive importance does not establish a causal regulator or a directed regulatory edge. Correlated features, the sampled environments, and independent experimental validation constrain the interpretation.

Publication record

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