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  • Meta assembly

    Hi,

    I want to do a meta assembly using contigs generated from 8 different locations for the same organism(same technology-Illumina reads).

    How should i proceed? Should i just run an assembly using all the 8 datasets as reads? How about using alignment tools for doing this?

    Thanks

  • #2
    Hello,

    Originally posted by Autotroph View Post
    Hi,

    I want to do a meta assembly using contigs generated from 8 different locations for the same organism(same technology-Illumina reads).
    You can proceed with 8 separate de novo assemblies.



    We use Ray to assemble gut microbiomes and it works well.


    How to use Ray:

    HTML Code:
    mpiexec -n 64 Ray \
     -k \
     31 \
     -p \
     Sample/ERR011142_1.fastq.gz \
     Sample/ERR011142_2.fastq.gz \
     -p \
     Sample/ERR011143_1.fastq.gz \
     Sample/ERR011143_2.fastq.gz \
     -o \
     Assembly


    Originally posted by Autotroph View Post
    Hi,

    How should i proceed? Should i just run an assembly using all the 8 datasets as reads? How about using alignment tools for doing this?

    Thanks

    There is many ways to go where you want to go.

    You can read these two large-scale papers to see how they did it.

    Nature 464, 59-65 (4 March 2010)


    Nature 473, 174–180 (12 May 2011)



    Obviously there are other approaches too should you choose the path of literature survey.


    Good luck with this endeavor.


    Sébastien Boisvert

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