Deep-4mCW2V

Deep-4mCW2V predicts N4-methylcytosine (4mC) modification sites in Escherichia coli genomic sequences to support analysis of DNA methylation patterns relevant to transcription regulation, replication, and gene expression.


Key Features:

  • Deep learning-based model: Uses a deep learning framework to predict 4mC modification sites in Escherichia coli genomic sequences.
  • Word embedding (word2vec): Encodes DNA sequences with the word2vec technique to capture contextual relationships within sequence data.
  • 1-D convolutional neural network (1-D CNN): Processes word2vec-encoded features with a one-dimensional CNN to discriminate between 4mC and non-4mC sites.
  • Performance: Reports an overall accuracy of 0.861 on independent datasets and outperforms existing models by approximately 4.3%.

Scientific Applications:

  • DNA methylation mapping: Enables identification of 4mC sites for mapping DNA methylation patterns in Escherichia coli.
  • Gene regulation and expression studies: Supports investigation of 4mC roles in transcription regulation, replication, and gene expression.
  • Microbial genetics and epigenetics: Provides site-level 4mC predictions to aid studies in microbial genetics and epigenetics.

Methodology:

DNA sequences are encoded using word2vec and the resulting embeddings are input into a 1-D CNN deep learning model to distinguish modified (4mC) from unmodified sites.

Topics

Details

License:
Apache-2.0
Cost:
Free of charge
Programming Languages:
Python
Added:
12/31/2021
Last Updated:
12/31/2021

Operations

Publications

Zulfiqar H, Sun Z, Huang Q, Yuan S, Lv H, Dao F, Lin H, Li Y. Deep-4mCW2V: A sequence-based predictor to identify N4-methylcytosine sites in Escherichia coli. Methods. 2022;203:558-563. doi:10.1016/j.ymeth.2021.07.011. PMID:34352373.

PMID: 34352373
Funding: - National Natural Science Foundation of China: 61772119 - Science Fund for Distinguished Young Scholars of Sichuan Province: 2020JDJQ0012