MPBLAST

MPBLAST performs high-throughput BLASTN searches by concatenating multiple query sequences into composite queries to reduce the number of database searches and accelerate sequence comparisons.


Key Features:

  • Multiplexing Strategy: Concatenates multiple query sequences into single composite queries to minimize the total number of BLASTN database searches.
  • Scalability with Sequence Length: Performance improvement scales with component sequence length; for typical sequencing reads (~500 bp) MPBLAST can yield an order-of-magnitude increase in speed compared to traditional methods.
  • Efficiency for Large Datasets: Reduces the number of searches required for large-scale genomic studies, improving overall throughput for numerous sequence comparisons.
  • Computational Resource Optimization: Lowers computational load and accelerates the analysis process by decreasing redundant database search operations.

Scientific Applications:

  • Genome sequencing projects: Speeds large-scale sequence comparison and annotation tasks in genome sequencing projects by reducing BLASTN search counts.
  • Metagenomics: Enables higher-throughput taxonomic and functional sequence matching in metagenomic datasets through multiplexed BLASTN queries.
  • Large-scale bioinformatics investigations: Accelerates data processing times in other large-scale bioinformatics investigations without compromising accuracy.

Methodology:

Concatenation of query sequences into composite queries followed by BLASTN searches against target databases.

Topics

Collections

Details

Tool Type:
command-line tool
Operating Systems:
Linux, Windows, Mac
Added:
8/3/2017
Last Updated:
7/22/2019

Operations

Publications

Korf I and Gish W. MPBLAST : improved BLAST performance with multiplexed queries. Bioinformatics. 2000; 16:1052-3. doi: 10.1093/bioinformatics/16.11.1052

PMID: 11159321

Documentation

Links

Related Tools

blast
Relation: uses