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  • sequence alignment tool selection question

    Hi,

    Currently I'm using bowtie for sequence alignment. It's fast, but what's the trade-off for the speed? Any suggestion for sequence alignment tool suggestion?

    Thanks,
    Slny

  • #2
    Without knowing anything about your sequencing platform, source material, etc. There's not much we can do to help.
    Try these papers:

    Background Second generation sequencing technologies yield DNA sequence data at ultra high-throughput. Common to most biological applications is a mapping of the reads to an almost identical or highly similar reference genome. The assessment of the quality of read mapping results is not straightforward and has not been formalized so far. Hence, it has not been easy to compare different read mapping approaches in a unified way and to determine which program is the best for what task. Results We present a new benchmark method, called Rabema (Read Alignment BEnchMArk), for read mappers. It consists of a strict definition of the read mapping problem and of tools to evaluate the result of arbitrary read mappers supporting the SAM output format. Conclusions We show the usefulness of the benchmark program by performing a comparison of popular read mappers. The tools supporting the benchmark are licensed under the GPL and available from http://www.seqan.de/projects/rabema.html .

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    • #3
      You use BFAST, which implements a local alignment algorithm, or BFAST+BWA, which combines it with Burrows-Wheeler alignment. It allows the user to specify the parameters that trade-off speed for accuracy.

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