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  • nanto
    Member
    • Sep 2012
    • 19

    #1

    amos tarchive2ca and CA problems, PB reads without sense

    while trying to obtain frg file via tarchive2ca tool I receive a message:

    ERROR: Cannot find the quality file corresponding to fasta./***

    [/** - path to a file]

    I named fasta, qual and xml files the same, and put them in the same directory as the tarchive is. But still it won't move a bit.

    Also I gained data from PB and covering Illumina reads, so I thought about trying to error correct PB reads with illuminas cause right now they are pretty useless. But here also on the first instruction from the wiki

    /***fastqToCA' -libraryname illumina -type sanger -innie -reads /***sequence.fastq' > illumina.frg

    I downloaded both packages from those sites:
    Download AMOS for free. AMOS is a collection of tools for genome assembly. AMOS is a collection of tools and class interfaces for the assembly of DNA reads. The package includes a robust infrastructure, modular assembly pipelines, and tools for overlapping, consensus generation, contigging, and assembly manipulation.

    Download Whole-Genome Shotgun Assembler for free. Celera Assembler (CA) is a whole-genome shotgun (WGS) assembler for the reconstruction of genomic DNA sequence from WGS sequencing data.


    Also what do you think about PB reads, which after blastn to refference cucumber genome gave hits in multiple places on the same contig, and multple hits on many contigs. How can I choose the best reads (of course correcting them with illumina would slightlyu improve them).
    I also checked refference contigs against each other - similarity ~94%

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