Promotech

Promotech predicts bacterial promoter locations across diverse bacterial genomes to enable accurate identification of regulatory regions for studying gene expression.


Key Features:

  • Broad taxonomic applicability: Machine-learning models trained to predict promoters across a wide range of bacterial species and genomes.
  • Machine-learning–based prediction: Uses trained machine-learning models to recognize promoter sequences.
  • High precision and recall: Demonstrates high precision and recall in promoter recognition.
  • Benchmarking against established methods: Performance evaluated against five other promoter prediction methods.
  • Quantitative performance metrics: Shows superior predictive accuracy measured by area under the precision-recall curve (AUPRC) and higher precision at equivalent recall.

Scientific Applications:

  • Gene regulation studies: Identification of promoters to analyze transcription initiation and bacterial gene regulatory mechanisms.
  • Synthetic biology: Selection and characterization of promoter sequences for design of genetic circuits and expression systems.
  • Antimicrobial strategy development: Informing targets and mechanisms by mapping regulatory regions relevant to pathogenicity and resistance.
  • Microbiology and genetics research: Promoter annotation across bacterial genomes to support comparative and functional genomics.

Methodology:

Promotech trains machine-learning models to recognize promoter sequences and assesses performance by comparison to five other promoter prediction methods using area under the precision-recall curve (AUPRC) and precision at equivalent recall.

Topics

Details

License:
GPL-3.0
Cost:
Free of charge
Tool Type:
command-line tool
Operating Systems:
Mac, Linux, Windows
Programming Languages:
C, Python, MATLAB, Shell
Added:
3/31/2022
Last Updated:
3/31/2022

Operations

Publications

Chevez-Guardado R, Peña-Castillo L. Promotech: a general tool for bacterial promoter recognition. Genome Biology. 2021;22(1). doi:10.1186/s13059-021-02514-9. PMID:34789306. PMCID:PMC8597233.

PMID: 34789306
PMCID: PMC8597233
Funding: - Natural Sciences and Engineering Research Council of Canada: 2019-05247