Technology Approach Read length Bases/Run Company and Web Addresses
  Automated Sanger sequencer ABI3730xl   Synthesis in the presence of dye terminators   Up to 900 bp   96 kb   Applied Biosystems www.appliedbyosystems.com
454/Roche FLX system Pyrosequencing on solid support 200-300 bp 80-120 Mb Roche Applied Science www.roche-applied-science.com
Illumina/Solexa Sequencing by synthesis with reversible terminators 30-40 bp 1 Gb Illumina, Inc.
www.illumina.com
ABI/SOLiD Massively parallel sequencing by ligation Up to 75 bp 1-3 Gb Applied Biosystems www.appliedbyosystems.com
SMRT Single molecule real-time sequencing 2,200 bp on average 120 Mb Pacific Bio Sciences www.pacificbiosciences.com
Ion Torrent Massively parallel semiconductor sequencing 100 bp on average Up to 10 Gb Life Technologies www.invitrogen.com
Table 1: Next-generation sequencing technologies; aproach, read length, run and web addresses.