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GENOME SEQUENCING. I. Genome sequencing The Sanger Method (1977) Denaturation +priming Polymerization.

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Presentation on theme: "GENOME SEQUENCING. I. Genome sequencing The Sanger Method (1977) Denaturation +priming Polymerization."— Presentation transcript:

1 GENOME SEQUENCING

2 I. Genome sequencing The Sanger Method (1977) Denaturation +priming Polymerization

3 End of polymerization I. Genome sequencing The Sanger Method (1977)

4 I. Genome sequencing The Sanger Method (1977)

5 I. Genome sequencing The caveats of the Sanger Method Technically cumbersome and time consuming (limited samples processing) High amounts of starting material  Not well-suited for high-throughput analyses (genome sequencing)

6 1st generation sequencing : Improvement of sequence analysis (column electrophoresis) I. Genome sequencing The Sanger Method (1977)

7 1st generation sequencing : Improvement of sequence analysis (capillary electrophoresis) I. Genome sequencing The Sanger Method (1977)

8 Parallel random sequencing : after fragmentation and cloning 1st generation sequencing : Improvement of the methodology I. Genome sequencing

9 2nd generation sequencing : Areas of improvement I. Genome sequencing

10 2nd generation sequencing : Improvement of template preparation : amplification by PCRPCR Emulsion PCR (emPCR) I. Genome sequencing Used by 454 (life science), Polonator, Ion torrent and Solid

11 2nd generation sequencing : Improvement of template preparation : amplification by PCRPCR Bridge PCR (illumina plateform)illumina plateform I. Genome sequencing

12 2nd generation sequencing : Improvement of template preparation : Single Molecule Sequencing I. Genome sequencing

13 Sequencing by reversible terminator (illumina/Solexa genome Analyzer) 2nd generation sequencing : real-time sequencing I. Genome sequencing

14 Sequencing by reversible terminator Used in combination with bridge PCR in the illumina/Solexa genome Analyzer 2nd generation sequencing : real-time sequencing I. Genome sequencing

15 Pyrosequencing 2nd generation sequencing : real-time sequencing I. Genome sequencing Used in the 454 plateform (Life Sciences) emPCR+Pyrosequencing

16 Ligase-based sequencing 2nd generation sequencing : real-time sequencing I. Genome sequencing

17 Ligase-based sequencing 2nd generation sequencing : real-time sequencing I. Genome sequencing SOLiD DNA Sequencing Technology (Applied Biosystems)

18 SMRT Sequencing Technology : Single-Molecule Real-Time Sequencing A true continous imaging of dye-labelled nucleotides incorporation 2nd generation sequencing : real-time sequencing I. Genome sequencing Pacific BiosciencesPacific Biosciences : SMRT : Single Molecule Real-Time Sequencing

19 I. Genome sequencing Today's technologies generate huge amount of short, high quality sequencing data

20 II. Data analysis

21

22 III. NGS Applications

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