WKL

WKL identifies pathogens from DNA microarray probe signatures by modeling PCR-amplification bias and cross-hybridization to improve detection specificity and sensitivity.


Key Features:

  • Customized Microarray Platform: Incorporates design and analysis features to mitigate random PCR-amplification biases and cross-hybridization effects on DNA microarrays.
  • PCR Bias Prediction Algorithm: Predicts PCR amplification bias during DNA amplification and provides information to refine PCR primer design.
  • Statistical Pathogen Inference: Employs a statistical framework to infer pathogen identity from probe recognition signatures and to differentiate viral signals from background noise.

Scientific Applications:

  • Clinical Diagnostics: Enables pathogen identification in clinical samples with reported 94% accuracy (76% sensitivity and 100% specificity).
  • Pathogen Research: Facilitates study of viral amplification efficiency, hybridization signal dynamics, and target–probe annealing specificity.

Methodology:

Uses a customized DNA microarray platform combined with algorithms and statistical techniques to analyze relationships among viral amplification efficiency, hybridization signals, and probe–target interactions to distinguish pathogenic signals from background noise.

Topics

Details

Tool Type:
command-line tool
Operating Systems:
Linux
Programming Languages:
C++, C
Added:
8/3/2017
Last Updated:
11/25/2024

Operations

Publications

Wong CW, Heng CLW, Wan Yee L, Soh SW, Kartasasmita CB, Simoes EA, Hibberd ML, Sung W, Miller LD. Optimization and clinical validation of a pathogen detection microarray. Genome Biology. 2007;8(5). doi:10.1186/gb-2007-8-5-r93. PMID:17531104. PMCID:PMC1929155.

Documentation

Links