BME 130 – Genomes Lecture 4 Sequencing technology II Next generation sequencing
Figure 4.2 Genomes 3 (© Garland Science 2007)
Figure 4.3a Genomes 3 (© Garland Science 2007)
Roche / 454
454 Process Overview 1) Prepare Adapter Ligated ssDNA Library 2) Clonal Amplification on 28 µ beads 4) Perform Sequencing by synthesis on the 454 Instrument of ~250,000 molecules 3) Load beads and enzymes in PicoTiter Plate™
Key sequence = TCAG for identifying wells and calibration TACGTACG Flow Order 454 base calling
Limitations of Roche/454
Solexa / Illumina
Limitations of Solexa/Illumina
ABI/SOLiD
Limitations of ABI/SOLiD
Applications of high-throughput sequencing
Genome assembly
CHiP-Seq Johnson et al., Science 8 June 2007: Vol no. 5830, pp
RNASeq Cloonan et al., Genome Biology 2008, 9:234