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Old 04-27-2012, 09:16 AM   #1
Location: UK

Join Date: Jan 2012
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Default Illumina BS-seq library prep query

Apologies if this has been answered elsewhere, but I've had a glance through the threads and can't see anything obvious.

I've noted that Illumina's TruSeq kits are incompatible with BS-seq at present because the polymerase mix cannot tolerate uracil. My query is how much of an issue this is to sort out? Is it just a case of finding a different Taq for the library amplification (KAPA do one that seems suitable), or does this also affect the polymerases used to conduct end-repair? What about the polymerases in the SBS chemistry? We'd be wanting to prepare these for a run on a HiScanSQ.


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Old 04-30-2012, 12:43 AM   #2
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Location: Australia

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Publications eg generally use PhuTurboCx for the library prep PCR - as this replaces the uracils with thymidines the enzyme used in SBS, though I assume there are some tricks with basecalling etc bisulfite-seq due to the base composition imbalance - an experienced service provider should be fine with this though.
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