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  • Pooling multiplexed libraries after ligation, before PCR

    Does anyone do this with the TruSeq kits? Illumina advertised this feature very strongly in their presentations in my area, as a huge time saving feature of the TruSeq kits as compared to the older sample prep kits... yet the product manual doesn't say anything about it. I'm a bit worried about uneven amplification of the libraries during a pooled PCR. Any comments?

  • #2
    Would that also cause jumping errors and waste of sequencing reads?

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    • #3
      Hi I'd like to refresh this thread. Has anyone had success with TruSeq library prep, if you pool your adapter ligated samples prior to the PCR enrichment step?

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      • #4
        Pooling prior to PCR amplification is not recommended. It precludes the option of adjusting the concentrations of individual libraries to obtain equal read depth.

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        • #5
          Done once. DO NOT attempt it. Some libraries just dissapeared.

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          • #6
            We didn't do that. In theory, it may cause unbalanced library pool. Some libraries could have very low sequencing reads.

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