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DNA-Sequencing
Technologies & Devices
Matthias Platzer
Genome Analysis Leibniz Institute for Age Research
- Fritz Lipmann Institute (FLI)
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ABI 3730xl 4/2004 & 6/2006
1 Mb/day, 850 nt reads
Roche/454 GS FLX 12/2006
HiSeq 2500 1/2013
2x300 Gb/10d, 2x100 nt reads
Genome analysis DNA sequencing platforms
2x100 Gb/2d, 2x150 nt reads
2 Mb/day, 550 nt reads
800 Mb/23h, 800 nt reads
Illumina MiSeq 1/2013 7,5 Gb/1d, 2x250 nt reads
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Moore’s law Next Generation Sequencing - a game changer
http://ivory.idyll.org/permanent/lstein-ngs-capacity.png
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NGS Terminologies
2nd generation = massively parallel 3rd generation = true single-molecule
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1st Generation
Maxam-Gilbert . Sanger . Pyro
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Maxam-Gilbert sequencing Chemical modifications, radioactive *1977
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Sanger sequencing Dideoxy chain termination, radioactive *1977
Fred Sanger Nobel prices 1958, 1980
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Sanger sequencing Fluorescence labeling
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Sanger sequencing Dye primer
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Sanger sequencing Dye terminator
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PNAS 92:6339 (1995)
Thermo-Sequenase = Taq polymerase Phe>Thy mutated
Sanger sequencing Engineered polymerase
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Sanger sequencing Cycle sequencing
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PPi
ATP
Pyrosequencing
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2nd Generation
Roche/454. Illumina/Solexa . ABI/Solid ABI/IonTorrent . Complete Genomics
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A Revolutionary Method for Rapid Whole Genome Sequencing and Assembly And more……..
454 Genome Sequencer GS20/FLX/FLX+
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454 Nature, July 31 2005
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• 25 Mb • 99% accuracy • 4h
• de novo assembly Mycoplasma genitalium (0.58 Mb): 96% coverage, 99,96% accuracy
• 100x currant Sanger technology
454 Nature, July 31 2005
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Roche/454 Workflow
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dsDNA fragments
P A B Ligation
Fill in
Capture on SA-Beads & Wash Alkaline Elution
A B
P Bio
Bio
Bio
Bio
Bio
Roche/454 Preparation of A/B-fragments for sequencing
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Roche/454 Sample loading
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Roche/454 Flowgram
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GC normal high-cloned coverage
G+C
%
green - 454 reads red - Sanger reads black - GC content
GC poor low-cloned coverage
Roche/454 No cloning bias
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Roche/454 Read length
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Advanced genetic analysis
one billion bases at a time
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Solexa Technology
• Clonal Singe Molecule Array TM
• Sequencing By Synthesis (SBS)
• reversible fluorescent labels
• reversible 3’OH blocking
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Illumina/Solexa Linker ligation
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Illumina/Solexa Solid-phase clonal single molecule PCR
“Bridge amplification”
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100μm
colony of ≈1000 single-stranded DNA templates
Single well of 454 Life Sciences PicoTiterPlateTM (to same scale)
Illumina/Solexa Solid-phase clonal single molecule PCR
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Illumina/Solexa Sequencing by synthesis (SBS)
*removal of fluorescent labels & 3’OH blocking *
1st cycle 2nd cycle
*
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Illumina/Solexa Assembly - Mapping
read length: 25-36 … 76 … 102 … 150 … 250 nt
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Illumina/Solexa Paired ends & Mate pairs
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Illumina/Solexa Multiplexing
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Illumina/Solexa Data output
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Illumina/Solexa Patterned flow cells
Patent US 20120316086 A1 (2012)
New platforms November 2014
NextSeq 500 30 Gb/day 1 human genome or 16 exomes
HiSeq3000/4000 HiSeqX Ten 150 Gb/day
5 human genome at $1000 each
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ABI/SOLID Bead deposition
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ABI/SOLID Probes
16
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ABI/SOLID 2-base encoding
16 dinucleotides / 4 dyes = 4 dinucleotides/dye
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ABI/SOLID 4-color ligation
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ABI/SOLID 4-color ligation
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ABI/SOLID Detection
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ABI/SOLID Cleavage
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ABI/SOLID 2nd cycle ligation
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ABI/SOLID 2nd cycle detection
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ABI/SOLID 2nd cycle cleavage
+ additional 3 ligation cyles
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ABI/SOLID Reset after 5th cycle
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ABI/SOLID 6th cycle ligation
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ABI/SOLID Cycling scheme
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ABI/SOLID 2-base encoding
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ABI/SOLID Paired ends – two sequences
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www.completegenomics.com
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Complete Genomics In-house technology
• self-assembling DNA nanoballs (DNB) • patterned nanoarrays • combinatorial probe anchor ligation (cPAL)
Drmanac et al. Science 327:78 (2009)
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Complete Genomics Performance
• launched by mid-2010
• 2010: ~600 human genomes • 2011: ~4,000 genomes
• end 2011: 800-1200 genomes/month • mid 2012: new machines with 6 genomes/day • end 2012: <3,000 $/genome
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www.iontorrent.com
PGM - Personal Genome Machine
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ABI/Ion Torrent The chip is the machine
ionogram www.iontorrent.com
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ABI/Ion Torrent Read length
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ABI/Ion Torrent Data output
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ABI/Ion Torrent Data output
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Nature 475:348 (2011)
ABI/Ion Torrent ‘Post-light’ sequencing of Gordon Moore
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2nd Generation sequencing Applications
• Re-sequencing
• RNA-seq
• miRNA-seq
• ChIP-seq
• Ribosome-footprinting
• …
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3rd Generation
Helicos. Pacific Biosciences VisigGen . Nanopore(s)
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www.helicosbio.com
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Helicos First true single molecule sequencing (tSMS)
www.helicosbio.com
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Helicos DRS
Nature 461:814 (2009)
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www.pacificbiosciences.com
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et al. : 2
Pacific Biosciences Technologogies
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Pacific Biosciences Fluorescent lable
www.pacificbiosciences.com
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Pacific Biosciences Zero-mode waveguide chip
www.pacificbiosciences.com
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Pacific Biosciences Immobilised polymerase
long sequences
www.pacificbiosciences.com
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Pacific Biosciences Read length P5-C3
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Pacific Biosciences Read length
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Pacific Biosciences Genome de novo assemblies
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Pacific Biosciences Read coverage
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Pacific Biosciences Full length transcripts
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Pacific Biosciences Alternative neurexin 1α transcripts
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Tex
Pacific Biosciences Real-time DNA methylation detection
Nature Methods 7:461 (2010)
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Pacific Biosciences Epigenetics
www.pacificbiosciences.com
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Pacific Biosciences Direct RNA sequencing
www.pacificbiosciences.com
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Pacific Biosciences Translation
www.pacificbiosciences.com
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VisiGen Fluorescence resonance energy transfer (FRET)
F-donor : polymerase F-acceptor: γ-phosphate of dNTP
1Mb/s >1 human genome/day
visigenbio.com
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Nanopore Ion current
Messwert Strom von K+-Ionen, die der DNA beim Porendurchtritt entgegen fließen
www.mcb.harvard.edu/branton/nanopore.html
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Nanopore Oxford Nanopore
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genome.fli-leibniz.de Lectures