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Related Experiment Video

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Novel Sequence Discovery by Subtractive Genomics

Novel Sequence Discovery by Subtractive Genomics

Published on: January 25, 2019

Sequence-specific reconstruction from fragmentary databases using seed sequences: implementation and validation on

Tiago J P Sobreira¹, Arthur Gruber

¹Instituto do Coração - USP, Av. Prof. Enéas de Carvalho Aguiar 44, São Paulo SP, 05403-000, Brazil.

Bioinformatics (Oxford, England)

|June 12, 2008

Summary

GenSeed offers a target-specific DNA assembly approach, improving on traditional methods. This seed-driven program iteratively reconstructs specific DNA segments, genes, and genomes.

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Area of Science:

Bioinformatics
Genomics
Molecular Biology

Background:

Traditional DNA assembly relies on all-against-all read comparisons, which can be inefficient for specific targets.
Target-specific assembly offers a more focused and sensible approach for reconstructing particular DNA segments.

Purpose of the Study:

To introduce GenSeed, a Perl program designed for seed-driven, recursive DNA assembly.
To provide a more efficient method for assembling specific DNA segments, genes, and genomes.

Main Methods:

GenSeed employs a recursive assembly process involving similarity searches, read selection, and iterative assembly cycles.
The program extends an initial seed sequence progressively through these cycles.

Main Results:

GenSeed was successfully tested and validated across diverse applications, including nuclear gene reconstruction, full-length transcript assembly, and extrachromosomal genome reconstruction.
The method demonstrated robustness using various DNA and protein seeds, including short sequences from SAGE and proteome projects.

Conclusions:

GenSeed provides a robust and effective tool for target-specific DNA assembly.
The seed-driven recursive approach enhances the reconstruction of specific genomic regions and transcripts.