KEC

KEC identifies unique amino acid and nucleic acid sequences specific to a target organism by eliminating k-mers found in non-target sequences within large-scale sequence datasets.


Key Features:

  • K-mer-based filtering: Uses a k-mer-based elimination approach to remove sequences shared with non-target datasets.
  • Cross-reference elimination: Cross-references input sequences against a comprehensive database of non-target sequences to isolate candidate unique sequences.
  • Sequence type support: Operates on both amino acid and nucleic acid sequence data.
  • Genome-scale performance: Performs rapid processing on datasets comparable in size to whole genomes.

Scientific Applications:

  • Genomic Research: Identifies species-specific genetic markers to support studies in evolution, taxonomy, and biodiversity.
  • Metagenomics: Differentiates genomic content of organisms within mixed samples to aid metagenomic analyses.
  • Comparative Genomics: Enables identification of sequences that distinguish one organism from another for evolutionary and functional annotation studies.

Methodology:

KEC employs a k-mer-based approach to eliminate non-target sequences, focusing on the identification of unique sequences within the target dataset; it cross-references input sequences against a comprehensive database of non-target sequences to narrow down candidates exclusive to the organism of interest.

Topics

Details

Tool Type:
command-line tool
Added:
10/4/2021
Last Updated:
10/4/2021

Operations

Publications

Beran P, Stehlíková D, Cohen SP, Čurn V. KEC: unique sequence search by K-mer exclusion. Bioinformatics. 2021;37(19):3349-3350. doi:10.1093/bioinformatics/btab196. PMID:33755102.

PMID: 33755102
Funding: - Ministry of Education, Youths, and Sports: MSMT-15739/2019-8 - European Cooperation in Science and Technology: CA16107 - AFRI Education and Workforce Development Postdoctoral Fellowship: 2018-08122

Documentation

Links