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The Use of Chemostats in Microbial Systems Biology
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Computational biology for cell-free systems.

Mansi Acharya1, Indra Mani2

  • 1School of Computational and Integrative Sciences, Jawaharlal Nehru University, New Delhi, India.

Progress in Molecular Biology and Translational Science
|January 25, 2026
PubMed
Summary
This summary is machine-generated.

Cell-free systems (CFS) offer a modular platform for biological applications. This review explores computational methods for optimizing CFS design, integrating mechanistic and machine learning approaches for enhanced speed and clarity.

Keywords:
CRISPRCell-free systemsComputational modelingGenome-scale modelsMachine learningSynthetic biology

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Area of Science:

  • Synthetic biology
  • Computational biology
  • Biotechnology

Background:

  • Cell-free systems (CFS) decouple biological processes from living cells.
  • CFS provide a rapid, modular platform for biosensing, pathway prototyping, and protein production.
  • Computational modeling is crucial for CFS design and optimization.

Purpose of the Study:

  • To review mechanistic and data-driven computational approaches for CFS design and optimization.
  • To compare different modeling frameworks for transcription-translation dynamics and metabolic pathways.
  • To evaluate machine learning strategies for sequence-to-function mapping in CFS.

Main Methods:

  • Comparison of ordinary differential equation (ODE) and stochastic simulation for transcription-translation dynamics.
  • Adaptation of genome-scale metabolic models (GEMs) and flux balance analysis (FBA) for cell-free extracts.
  • Evaluation of machine learning (ML) for sequence-to-function mapping using high-throughput cell-free assays.

Main Results:

  • Overview of software tools for CFS modeling and design.
  • Discussion of CFS applications in diagnostics, metabolic pathway reconstruction, and protein synthesis.
  • Highlighting advances in CRISPR-based regulation for multi-layer genetic circuits in cell-free environments.

Conclusions:

  • Identified gaps include assay standardization, public datasets, and hybrid modeling.
  • Proposed a roadmap for community resources and hybrid modeling efforts.
  • Emphasized combining mechanistic clarity with ML-driven speed for future CFS development.