MoDLE

MoDLE simulates stochastic molecular contacts produced by DNA loop extrusion to generate genome-wide chromatin contact maps for studying 3D genome organization.

Key Features:

• Stochastic loop extrusion modeling: Performs stochastic modeling of molecular contacts resulting from DNA loop extrusion.
• Genome-wide simulation speed: Produces genome-wide simulations and contact maps within minutes.
• High-fidelity contact maps: Replicates contact maps with high accuracy.
• Agreement with molecular dynamics and Micro-C: Simulated contact maps align closely with traditional molecular dynamics simulations and experimental Micro-C data.
• Orders-of-magnitude performance: Achieves simulation times that are orders of magnitude faster than existing methodologies.
• Computational scalability: Operates across a spectrum of hardware environments from standard laptops to high-performance computing clusters.

Scientific Applications:

• 3D genome architecture modeling: Enables study of genome structure and function through simulated chromatin contacts.
• Investigating chromatin interactions: Facilitates investigation of genome-wide interactions and chromosomal behavior.
• Exploratory and predictive modeling: Supports exploratory and predictive modeling of loop-extrusion–driven contact patterns.
• Benchmarking and validation: Allows comparison and validation against Micro-C experimental data and molecular dynamics simulations.

Methodology:

Performs stochastic simulations of molecular contacts induced by DNA loop extrusion to generate genome-wide contact maps and compares simulated maps to molecular dynamics results and experimental Micro-C data.