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  • BethSutton
    Junior Member
    • May 2015
    • 3

    CummeRbund Cuffset missing genes/isoforms

    I've just used the readCufflinks() function in CummeRbund to create a CuffSet instance from Cuffdiff output, but it seems there are genes and isoforms missing.

    In the assembly I supplied to Cuffdiff (which I produced using Cufflinks and Cuffmerge), there are 40,568 genes and 67,586 isoforms, but the CuffSet instance has only 40,567 genes and 67,454 isoforms. Does anyone know the reason for this discrepancy?

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  • GATTACAT
    Reply to Nine Things a Sample Prep Scientist Thinks About Before Sequencing
    by GATTACAT
    Love this - good data definitely starts from good input, and poor input can only give relatively poor data. I particularly like the mention of Nanodrop/absorbance based methods for quantification. It's such a toss up if you'll get an accurate reading or what amounts to a randomly generated number, and a lot of library/sequencing related issues can be traced back to poor quant.
    07-01-2026, 11:43 AM
  • SEQadmin2
    Nine Things a Sample Prep Scientist Thinks About Before Sequencing
    by SEQadmin2


    I’m not a sequencing expert. I’m a purification scientist who uses NGS to evaluate workflows my group develops. With this perspective, we think about the sample first and the NGS workflow second. The sequencer is an exceptionally honest reporter, but it can only report on what you give it, so whether you get clean, interpretable data from an NGS workflow is largely determined before you begin.

    Here are nine questions we think about, in roughly the order they matter, before...
    06-18-2026, 07:11 AM

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