Hi,
I've been seeing a lot of Nextseq500 runs lately and I found a very disturbing phenomenon. In a lot of the runs I start seeing a lot of N's from cycle 25 onward. The FastQC looks like this:
This example is extreme but I see it in a lot of cases and it's always from cycle 25.
Any clue?
I've been seeing a lot of Nextseq500 runs lately and I found a very disturbing phenomenon. In a lot of the runs I start seeing a lot of N's from cycle 25 onward. The FastQC looks like this:
This example is extreme but I see it in a lot of cases and it's always from cycle 25.
Any clue?
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