CircDBG

CircDBG detects and analyzes circular RNAs (circRNAs) from high-throughput sequencing data using a de Bruijn graph-based algorithm to identify and classify exon-containing and chimeric circRNAs for studies of gene regulation and human disease.


Key Features:

  • De Bruijn graph algorithm: Uses a de Bruijn graph-based approach for sequence assembly and circRNA detection.
  • Detection of exon-containing circRNAs: Identifies exon-containing circRNAs from high-throughput sequencing data.
  • Classification by read alignments: Classifies circRNAs based on read alignment patterns.
  • Chimeric circRNA discovery: Detects potential chimeric circular RNAs in real sequence data.
  • Evaluation on simulated and real data: Performance has been assessed using both simulated and real sequencing datasets.
  • Improved running time efficiency: Demonstrates reduced running time compared with existing methods.
  • Reduced bias: Identifies more reliable circRNA candidates with reduced bias.
  • Balanced accuracy and sensitivity: Achieves a balance between accuracy and sensitivity in circRNA detection.
  • Scalability: Manages large sequencing datasets while maintaining sensitivity and accuracy.

Scientific Applications:

  • circRNA discovery from RNA-seq: Identification of circRNAs from high-throughput sequencing for transcriptome characterization.
  • Classification of circRNA diversity: Categorization of circRNAs by alignment patterns to study their diversity and functionality.
  • Novel and chimeric circRNA identification: Discovery of novel and potential chimeric circular RNA species in real datasets.
  • Gene regulation studies: Analysis of circRNAs implicated in gene regulatory mechanisms.
  • Disease-related circRNA research: Investigation of circRNA roles and implications in human disease contexts.
  • Benchmarking and method comparison: Use in comparative evaluations using simulated and real sequencing data.

Methodology:

Computational methods explicitly include a de Bruijn graph-based algorithm for assembly and circRNA detection, classification of circRNAs based on read alignments, and performance evaluation using simulated and real sequencing data.

Topics

Details

Tool Type:
command-line tool
Programming Languages:
C++
Added:
1/18/2021
Last Updated:
2/11/2021

Operations

Publications

Li X, Wu Y. Detecting circular RNA from high-throughput sequence data with de Bruijn graph. BMC Genomics. 2020;21(S1). doi:10.1186/s12864-019-6154-7. PMID:32138643. PMCID:PMC7057571.