miRNA-dis

miRNA-dis applies Support Vector Machines to predict microRNA precursor (pre-miRNA) sequences using distance structure status pair and distance-pair feature representations to support identification of pre-miRNAs for studies of gene regulation.


Key Features:

  • Feature Representation: Constructs feature vectors based on the "distance structure status pair" and "distance-pair" to capture sequence-order and structural characteristics of pre-miRNAs.
  • Classifier: Uses Support Vector Machines (SVM) as the predictive model.
  • Validation: Performance was assessed by rigorous cross-validation on a newly constructed benchmark dataset.
  • Predictive Accuracy: Reports a prediction accuracy of 87.02% for human pre-miRNAs and demonstrates performance across animals, plants, and viruses.
  • Interpretable Model: Provides model interpretability enabling analysis of discriminative sequence features characteristic of microRNAs.
  • High Throughput Capability: Supports high-throughput analysis of microRNA precursor candidates.

Scientific Applications:

  • Gene Regulation Studies: Identification of pre-miRNAs to facilitate investigations into microRNA-mediated gene regulatory mechanisms.
  • Comparative Genomics: Prediction of pre-miRNAs across animals, plants, and viruses to support cross-species comparative and evolutionary analyses.
  • Disease Research: Analysis of microRNA precursor dynamics relevant to disease mechanisms such as cancer and viral infections.

Methodology:

Constructs feature vectors using the "distance structure status pair" and "distance-pair", trains Support Vector Machines (SVM), and evaluates performance via rigorous cross-validation on a newly constructed benchmark dataset.

Topics

Details

Tool Type:
web application
Operating Systems:
Linux, Windows, Mac
Added:
4/28/2018
Last Updated:
12/10/2018

Operations

Publications

Liu B, Fang L, Chen J, Liu F, Wang X. miRNA-dis: microRNA precursor identification based on distance structure status pairs. Molecular BioSystems. 2015;11(4):1194-1204. doi:10.1039/c5mb00050e. PMID:25715848.

PMID: 25715848
Funding: - National Natural Science Foundation of China: 61272383, 61300112

Documentation