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  • 1x assembly

    Hi,any one have experience of denovo asembly of solexa reads having 1x coverege by using velvet.

  • #2
    Originally posted by bioenvisage View Post
    Hi,any one have experience of denovo asembly of solexa reads having 1x coverege by using velvet.
    It is not possible to assemble 1x coverage data, because no read will overlap any other read.

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    • #3
      and to add to Torst, most de novo assemblers will have significant problems until you sequence to between 10X and 20X coverage at a minimum.

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      • #4
        Some reads will be overlapping.

        About one third locations have 0x coverage, one third 1x, fewer 2x, even fewer 3x ...

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        • #5
          Originally posted by 0Gen View Post
          Some reads will be overlapping. About one third locations have 0x coverage, one third 1x, fewer 2x, even fewer 3x ...
          This is simply not enough coverage. You might be able to detect some SNPs, and assembled a few short regions, but that's it. Sorry.

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