Table 9.: Main Characteristics of the Platforms Available for Ultra Deep Parallel Sequencing (UDPS)

GS-FLX (454)/ GSJunior SOLEXA ABI SOLID
Company Roche Illumina Applied Byosystems
Sequencing method Polymerase (pyrosequencing) Polymerase (reversible terminators) Ligase (octamers with two-base encoding)
PCR technique Emulsion PCR Bridge PCR Emulsion PCR
Read Length (pb) 250-400 35-75 25-75
Run time (h) 10 48 168
nt/run (Gb) 0.4 18 30
Advantages Amplicon size Cheap Cheap
Disadvantages Homopolymers and manual No de novo and manual No de novo and manual