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Old 12-17-2018, 09:42 PM   #1
aharring
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Location: Nevada

Join Date: Dec 2018
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Default Few questions about minion

I want to obtain long read data for 6 bacterial isolates. I have purchased the minion starter kit with the ligation kit and native barcode kit. I am confused on why the protocol requires the Blunt/TA ligase master mix and the NEBNext Quick Ligation Module, it seems like its redundant. Could I just use the NEBNext Quick Ligation Module which does blunt and TA ligation for both barcoding and adding the adapter?

From what I understand is that I do the dA tailing on my DNA, ligate unique barcodes to each sample, pool the different barcodes together at a certain concentration and ligate the adapters.
Last question, how necessary is the qubit? I only have a nanodrop and was curious if anyone has prepped a library using a nanodrop only.
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Old 12-18-2018, 01:23 PM   #2
aharring
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Default

So ONT contacted me with an answer to my question.
The Blunt/TA ligase master mix was validated in-house for the ligation of the barcodes. However, feel free to just use T4 from the Quick Ligation Module. If you go this route, please see the following suggestion:



So, the total reaction would include:



End prep DNA 22.5 Ál

Native Barcode Adapter 2.5 Ál

NEBNext Quick T4 DNA Ligase 10 Ál

NEBNext Quick Ligation Reaction Buffer (5X) 15 ul

Total 50 Ál

I plan on skipping the FFPE repair step because I plan preping fresh gDNA from bacteria cultures. Has anybody tried this before?
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