HiCRep-py

HiCRep-py computes similarity scores between pairs of Hi-C contact matrices to assess reproducibility and compare chromatin organization.


Key Features:

  • HiCRep algorithm implementation: A Python implementation of the HiCRep algorithm for comparing Hi-C contact matrices.
  • Speed and efficiency: Provides faster runtime compared to the R implementation, enabling processing of high-resolution and large datasets.
  • Memory optimization: Reduced memory usage to facilitate analysis of large-scale and high-resolution Hi-C datasets.
  • Reproducibility assessment: Computes similarity between contact matrices to assess experimental reproducibility in Hi-C studies.
  • Quantifying relationships: Quantifies relationships among related samples to compare genomic organization across conditions or cell types.
  • Replicate discrimination: Distinguishes replicates from non-replicates of Hi-C datasets.
  • Cell-type structure analysis: Reveals structural differences among collections of Hi-C data from different cell types.
  • Single-cell Hi-C scalability: Suited for large single-cell Hi-C datasets and other high-resolution Hi-C data.

Scientific Applications:

  • Genome-wide 3D chromatin organization: Comparative analysis of chromatin architecture from Hi-C assays across samples.
  • Experimental reproducibility: Assessing consistency across different experimental runs by comparing contact matrices.
  • Comparative genomics: Detecting and quantifying structural differences in Hi-C data between related samples or conditions.
  • Single-cell analysis: Analyzing large single-cell Hi-C datasets to study cell-to-cell variability in chromatin organization.

Methodology:

Implements the HiCRep algorithm in Python to compute similarity scores between pairs of Hi-C contact matrices with optimizations for runtime and memory efficiency.

Topics

Details

License:
GPL-2.0
Tool Type:
command-line tool, library
Programming Languages:
R, Python
Added:
3/19/2021
Last Updated:
11/24/2024

Operations

Publications

Lin D, Sanders J, Noble WS. HiCRep.py: fast comparison of Hi-C contact matrices in Python. Bioinformatics. 2021;37(18):2996-2997. doi:10.1093/bioinformatics/btab097. PMID:33576390. PMCID:PMC8479650.

PMID: 33576390
PMCID: PMC8479650
Funding: - National Institutes of Health: U54 DK107979, UM1 HG011531