- Materials
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- Native Barcoding Kit 96 V14 (SQK-NBD114.96)
- 200 fmol (130 ng for 1 kb amplicons) DNA per sample to be barcoded
- Consumables
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- NEB Blunt/TA Ligase Master Mix (NEB, M0367)
- NEBNext Ultra II End repair/dA-tailing Module (NEB, E7546)
- NEBNext Quick Ligation Module (NEB, E6056)
- Eppendorf twin.tec® PCR plate 96 LoBind, semi-skirted (Eppendorf™, cat # 0030129504) with heat seals
- 1.5 ml Eppendorf DNA LoBind tubes
- 2 ml Eppendorf DNA LoBind tubes
- Nuclease-free water (e.g. ThermoFisher, AM9937)
- Freshly prepared 80% ethanol in nuclease-free water
- Qubit™ Assay Tubes (Invitrogen, Q32856)
- Qubit dsDNA HS Assay Kit (ThermoFisher, cat # Q32851)
- Bovine Serum Albumin (BSA) (50 mg/ml) (e.g Invitrogen™ UltraPure™ BSA 50 mg/ml, AM2616)
- Equipment
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- Hula mixer (gentle rotator mixer)
- Microplate centrifuge, e.g. Fisherbrand™ Mini Plate Spinner Centrifuge (Fisher Scientific, 11766427)
- Microfuge
- Magnetic rack
- Vortex mixer
- Thermal cycler
- Multichannel pipette and tips
- P1000 pipette and tips
- P200 pipette and tips
- P100 pipette and tips
- P20 pipette and tips
- P10 pipette and tips
- P2 pipette and tips
- Ice bucket with ice
- Timer
- Eppendorf 5424 centrifuge (or equivalent)
- Qubit fluorometer (or equivalent for QC check)
- Optional equipment
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- Nanodrop spectrophotometer
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For this protocol, we recommend using 200 fmol (130 ng for 1 kb amplicons) DNA per sample to be barcoded.
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Input DNA
How to QC your input DNA
It is important that the input DNA meets the quantity and quality requirements. Using too little or too much DNA, or DNA of poor quality (e.g. highly fragmented or containing RNA or chemical contaminants) can affect your library preparation.
For instructions on how to perform quality control of your DNA sample, please read the Input DNA/RNA QC protocol.
Chemical contaminants
Depending on how the DNA is extracted from the raw sample, certain chemical contaminants may remain in the purified DNA, which can affect library preparation efficiency and sequencing quality. Read more about contaminants on the Contaminants page of the Community.
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Third-party reagents
We have validated and recommend the use of all the third-party reagents used in this protocol. Alternatives have not been tested by Oxford Nanopore Technologies.
For all third-party reagents, we recommend following the manufacturer's instructions to prepare the reagents for use.
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Native Barcoding Kit 96 V14 (SQK-NBD114.96) contents
Note: We are in the process of updating our kits with reduced EDTA concentration.
Higher EDTA concentration format:
Name Acronym Cap colour No. of vials Fill volume per vial (µl) Native Barcode plate NB01-96 - 3 plates 8 µl per well DNA Control Sample DCS Yellow 3 35 Native Adapter NA Green 2 40 Sequencing Buffer SB Red 2 700 Library Beads LIB Pink 2 600 Library Solution LIS White cap, pink label 2 600 Elution Buffer EB Black 1 1,500 AMPure XP Beads AXP Amber 1 6,000 Long Fragment Buffer LFB Orange 1 7,500 Short Fragment Buffer SFB Clear 1 7,500 EDTA† EDTA Clear 1 700 Flow Cell Flush FCF Blue 1 15,500 Flow Cell Tether FCT Purple 2 200 † Higher concentration of EDTA with a clear cap.
Reduced EDTA concentration format:
Name Acronym Cap colour No. of vials Fill volume per vial (µl) Native Barcode plate NB01-96 - 3 plates 8 µl per well DNA Control Sample DCS Yellow 3 35 Native Adapter NA Green 2 40 Sequencing Buffer SB Red 2 700 Library Beads LIB Pink 2 600 Library Solution LIS White cap, pink label 2 600 Elution Buffer EB Black 1 1,500 AMPure XP Beads AXP Clear cap, light teal 1 6,000 Long Fragment Buffer LFB Clear cap, orange label 1 7,500 Short Fragment Buffer SFB Clear cap, dark blue label 1 7,500 EDTA‡ EDTA Blue 1 700 Flow Cell Flush FCF Clear cap, light blue label 1 15,500 Flow Cell Tether FCT Purple 2 200 ‡ Reduced concentration of EDTA with a blue cap.
Note: This Product Contains AMPure XP Reagent Manufactured by Beckman Coulter, Inc. and can be stored at -20°C with the kit without detriment to reagent stability.
The barcodes are orientated in columns in the barcode plate.
Note: The DNA Control Sample (DCS) is a 3.6 kb standard amplicon mapping the 3' end of the Lambda genome.
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To maximise the use of the Native Barcoding Kits, the Native Barcode Auxiliary V14 (EXP-NBA114) and the Sequencing Auxiliary Vials V14 (EXP-AUX003) expansion packs are available.
These expansions provide extra library preparation and flow cell priming reagents to allow users to utilise any unused barcodes for those running in smaller subsets.
Both expansion packs used together will provide enough reagents for 12 reactions. For customers requiring extra EDTA to maximise the use of barcodes, we recommend using 0.25 M EDTA and adding 4 µl for library preps using the SQK-NBD114.24 kit and 2 µl for preps using the SQK-NBD114.96 kit.
Native Barcode Auxiliary V14 (EXP-NBA114) contents:
Note: This Product contains AMPure XP Reagent manufactured by Beckman Coulter, Inc. and can be stored at -20°C with the kit without detriment to reagent stability.
Sequencing Auxiliary Vials V14 (EXP-AUX003) contents:
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Native barcode sequences
Component Forward sequence Reverse sequence NB01 CACAAAGACACCGACAACTTTCTT AAGAAAGTTGTCGGTGTCTTTGTG NB02 ACAGACGACTACAAACGGAATCGA TCGATTCCGTTTGTAGTCGTCTGT NB03 CCTGGTAACTGGGACACAAGACTC GAGTCTTGTGTCCCAGTTACCAGG NB04 TAGGGAAACACGATAGAATCCGAA TTCGGATTCTATCGTGTTTCCCTA NB05 AAGGTTACACAAACCCTGGACAAG CTTGTCCAGGGTTTGTGTAACCTT NB06 GACTACTTTCTGCCTTTGCGAGAA TTCTCGCAAAGGCAGAAAGTAGTC NB07 AAGGATTCATTCCCACGGTAACAC GTGTTACCGTGGGAATGAATCCTT NB08 ACGTAACTTGGTTTGTTCCCTGAA TTCAGGGAACAAACCAAGTTACGT NB09 AACCAAGACTCGCTGTGCCTAGTT AACTAGGCACAGCGAGTCTTGGTT NB10 GAGAGGACAAAGGTTTCAACGCTT AAGCGTTGAAACCTTTGTCCTCTC NB11 TCCATTCCCTCCGATAGATGAAAC GTTTCATCTATCGGAGGGAATGGA NB12 TCCGATTCTGCTTCTTTCTACCTG CAGGTAGAAAGAAGCAGAATCGGA NB13 AGAACGACTTCCATACTCGTGTGA TCACACGAGTATGGAAGTCGTTCT NB14 AACGAGTCTCTTGGGACCCATAGA TCTATGGGTCCCAAGAGACTCGTT NB15 AGGTCTACCTCGCTAACACCACTG CAGTGGTGTTAGCGAGGTAGACCT NB16 CGTCAACTGACAGTGGTTCGTACT AGTACGAACCACTGTCAGTTGACG NB17 ACCCTCCAGGAAAGTACCTCTGAT ATCAGAGGTACTTTCCTGGAGGGT NB18 CCAAACCCAACAACCTAGATAGGC GCCTATCTAGGTTGTTGGGTTTGG NB19 GTTCCTCGTGCAGTGTCAAGAGAT ATCTCTTGACACTGCACGAGGAAC NB20 TTGCGTCCTGTTACGAGAACTCAT ATGAGTTCTCGTAACAGGACGCAA NB21 GAGCCTCTCATTGTCCGTTCTCTA TAGAGAACGGACAATGAGAGGCTC NB22 ACCACTGCCATGTATCAAAGTACG CGTACTTTGATACATGGCAGTGGT NB23 CTTACTACCCAGTGAACCTCCTCG CGAGGAGGTTCACTGGGTAGTAAG NB24 GCATAGTTCTGCATGATGGGTTAG CTAACCCATCATGCAGAACTATGC NB25 GTAAGTTGGGTATGCAACGCAATG CATTGCGTTGCATACCCAACTTAC NB26 CATACAGCGACTACGCATTCTCAT ATGAGAATGCGTAGTCGCTGTATG NB27 CGACGGTTAGATTCACCTCTTACA TGTAAGAGGTGAATCTAACCGTCG NB28 TGAAACCTAAGAAGGCACCGTATC GATACGGTGCCTTCTTAGGTTTCA NB29 CTAGACACCTTGGGTTGACAGACC GGTCTGTCAACCCAAGGTGTCTAG NB30 TCAGTGAGGATCTACTTCGACCCA TGGGTCGAAGTAGATCCTCACTGA NB31 TGCGTACAGCAATCAGTTACATTG CAATGTAACTGATTGCTGTACGCA NB32 CCAGTAGAAGTCCGACAACGTCAT ATGACGTTGTCGGACTTCTACTGG NB33 CAGACTTGGTACGGTTGGGTAACT AGTTACCCAACCGTACCAAGTCTG NB34 GGACGAAGAACTCAAGTCAAAGGC GCCTTTGACTTGAGTTCTTCGTCC NB35 CTACTTACGAAGCTGAGGGACTGC GCAGTCCCTCAGCTTCGTAAGTAG NB36 ATGTCCCAGTTAGAGGAGGAAACA TGTTTCCTCCTCTAACTGGGACAT NB37 GCTTGCGATTGATGCTTAGTATCA TGATACTAAGCATCAATCGCAAGC NB38 ACCACAGGAGGACGATACAGAGAA TTCTCTGTATCGTCCTCCTGTGGT NB39 CCACAGTGTCAACTAGAGCCTCTC GAGAGGCTCTAGTTGACACTGTGG NB40 TAGTTTGGATGACCAAGGATAGCC GGCTATCCTTGGTCATCCAAACTA NB41 GGAGTTCGTCCAGAGAAGTACACG CGTGTACTTCTCTGGACGAACTCC NB42 CTACGTGTAAGGCATACCTGCCAG CTGGCAGGTATGCCTTACACGTAG NB43 CTTTCGTTGTTGACTCGACGGTAG CTACCGTCGAGTCAACAACGAAAG NB44 AGTAGAAAGGGTTCCTTCCCACTC GAGTGGGAAGGAACCCTTTCTACT NB45 GATCCAACAGAGATGCCTTCAGTG CACTGAAGGCATCTCTGTTGGATC NB46 GCTGTGTTCCACTTCATTCTCCTG CAGGAGAATGAAGTGGAACACAGC NB47 GTGCAACTTTCCCACAGGTAGTTC GAACTACCTGTGGGAAAGTTGCAC NB48 CATCTGGAACGTGGTACACCTGTA TACAGGTGTACCACGTTCCAGATG NB49 ACTGGTGCAGCTTTGAACATCTAG CTAGATGTTCAAAGCTGCACCAGT NB50 ATGGACTTTGGTAACTTCCTGCGT ACGCAGGAAGTTACCAAAGTCCAT NB51 GTTGAATGAGCCTACTGGGTCCTC GAGGACCCAGTAGGCTCATTCAAC NB52 TGAGAGACAAGATTGTTCGTGGAC GTCCACGAACAATCTTGTCTCTCA NB53 AGATTCAGACCGTCTCATGCAAAG CTTTGCATGAGACGGTCTGAATCT NB54 CAAGAGCTTTGACTAAGGAGCATG CATGCTCCTTAGTCAAAGCTCTTG NB55 TGGAAGATGAGACCCTGATCTACG CGTAGATCAGGGTCTCATCTTCCA NB56 TCACTACTCAACAGGTGGCATGAA TTCATGCCACCTGTTGAGTAGTGA NB57 GCTAGGTCAATCTCCTTCGGAAGT ACTTCCGAAGGAGATTGACCTAGC NB58 CAGGTTACTCCTCCGTGAGTCTGA TCAGACTCACGGAGGAGTAACCTG NB59 TCAATCAAGAAGGGAAAGCAAGGT ACCTTGCTTTCCCTTCTTGATTGA NB60 CATGTTCAACCAAGGCTTCTATGG CCATAGAAGCCTTGGTTGAACATG NB61 AGAGGGTACTATGTGCCTCAGCAC GTGCTGAGGCACATAGTACCCTCT NB62 CACCCACACTTACTTCAGGACGTA TACGTCCTGAAGTAAGTGTGGGTG NB63 TTCTGAAGTTCCTGGGTCTTGAAC GTTCAAGACCCAGGAACTTCAGAA NB64 GACAGACACCGTTCATCGACTTTC GAAAGTCGATGAACGGTGTCTGTC NB65 TTCTCAGTCTTCCTCCAGACAAGG CCTTGTCTGGAGGAAGACTGAGAA NB66 CCGATCCTTGTGGCTTCTAACTTC GAAGTTAGAAGCCACAAGGATCGG NB67 GTTTGTCATACTCGTGTGCTCACC GGTGAGCACACGAGTATGACAAAC NB68 GAATCTAAGCAAACACGAAGGTGG CCACCTTCGTGTTTGCTTAGATTC NB69 TACAGTCCGAGCCTCATGTGATCT AGATCACATGAGGCTCGGACTGTA NB70 ACCGAGATCCTACGAATGGAGTGT ACACTCCATTCGTAGGATCTCGGT NB71 CCTGGGAGCATCAGGTAGTAACAG CTGTTACTACCTGATGCTCCCAGG NB72 TAGCTGACTGTCTTCCATACCGAC GTCGGTATGGAAGACAGTCAGCTA NB73 AAGAAACAGGATGACAGAACCCTC GAGGGTTCTGTCATCCTGTTTCTT NB74 TACAAGCATCCCAACACTTCCACT AGTGGAAGTGTTGGGATGCTTGTA NB75 GACCATTGTGATGAACCCTGTTGT ACAACAGGGTTCATCACAATGGTC NB76 ATGCTTGTTACATCAACCCTGGAC GTCCAGGGTTGATGTAACAAGCAT NB77 CGACCTGTTTCTCAGGGATACAAC GTTGTATCCCTGAGAAACAGGTCG NB78 AACAACCGAACCTTTGAATCAGAA TTCTGATTCAAAGGTTCGGTTGTT NB79 TCTCGGAGATAGTTCTCACTGCTG CAGCAGTGAGAACTATCTCCGAGA NB80 CGGATGAACATAGGATAGCGATTC GAATCGCTATCCTATGTTCATCCG NB81 CCTCATCTTGTGAAGTTGTTTCGG CCGAAACAACTTCACAAGATGAGG NB82 ACGGTATGTCGAGTTCCAGGACTA TAGTCCTGGAACTCGACATACCGT NB83 TGGCTTGATCTAGGTAAGGTCGAA TTCGACCTTACCTAGATCAAGCCA NB84 GTAGTGGACCTAGAACCTGTGCCA TGGCACAGGTTCTAGGTCCACTAC NB85 AACGGAGGAGTTAGTTGGATGATC GATCATCCAACTAACTCCTCCGTT NB86 AGGTGATCCCAACAAGCGTAAGTA TACTTACGCTTGTTGGGATCACCT NB87 TACATGCTCCTGTTGTTAGGGAGG CCTCCCTAACAACAGGAGCATGTA NB88 TCTTCTACTACCGATCCGAAGCAG CTGCTTCGGATCGGTAGTAGAAGA NB89 ACAGCATCAATGTTTGGCTAGTTG CAACTAGCCAAACATTGATGCTGT NB90 GATGTAGAGGGTACGGTTTGAGGC GCCTCAAACCGTACCCTCTACATC NB91 GGCTCCATAGGAACTCACGCTACT AGTAGCGTGAGTTCCTATGGAGCC NB92 TTGTGAGTGGAAAGATACAGGACC GGTCCTGTATCTTTCCACTCACAA NB93 AGTTTCCATCACTTCAGACTTGGG CCCAAGTCTGAAGTGATGGAAACT NB94 GATTGTCCTCAAACTGCCACCTAC GTAGGTGGCAGTTTGAGGACAATC NB95 CCTGTCTGGAAGAAGAATGGACTT AAGTCCATTCTTCTTCCAGACAGG NB96 CTGAACGGTCATAGAGTCCACCAT ATGGTGGACTCTATGACCGTTCAG