csDMA

csDMA predicts DNA N6-methyldeoxyadenosine (6mA) modification sites genome-wide using machine learning to identify epigenetic marks.


Key Features:

  • Feature Encoding Schemes: Generates a feature matrix using Motif, Kmer, and Binary encoding schemes to transform DNA sequences for machine learning.
  • Machine Learning Algorithms: Evaluates multiple algorithms and identifies the ExtraTrees algorithm as particularly effective for 6mA prediction.
  • Performance Metrics: Reports AUC values of 0.878 from 5-fold cross-validation on the training dataset and 0.893 on an independent testing dataset.
  • Benchmarking: Compares predictive performance against existing state-of-the-art tools and reports superior performance.
  • Implementation: Implemented in Python 2.7.

Scientific Applications:

  • Large-scale epigenomic surveys: Enables computational identification of 6mA sites for genome-wide methylation mapping.
  • Gene regulation studies: Facilitates investigation of 6mA roles in transcriptional regulation.
  • Developmental biology research: Supports studies of 6mA dynamics during development.
  • Disease mechanism investigations: Assists exploration of 6mA-associated mechanisms in disease across various organisms.

Methodology:

Constructs a feature matrix using Motif, Kmer, and Binary encodings; evaluates multiple machine learning algorithms and selects ExtraTrees; assesses performance via 5-fold cross-validation (AUC 0.878) and independent testing (AUC 0.893); benchmarks against state-of-the-art tools.

Topics

Details

Tool Type:
command-line tool
Programming Languages:
Python
Added:
11/14/2019
Last Updated:
12/17/2020

Operations

Publications

Liu Z, Dong W, Jiang W, He Z. csDMA: an improved bioinformatics tool for identifying DNA 6 mA modifications via Chou’s 5-step rule. Scientific Reports. 2019;9(1). doi:10.1038/s41598-019-49430-4. PMID:31511570. PMCID:PMC6739324.

PMID: 31511570
PMCID: PMC6739324
Funding: - National Natural Science Foundation of China: 51809218 - Postdoctoral Research Foundation of China: 2018M643744