Method of sequencing |
Real-time, single-molecule DNA, nanopore exonuclease sequencing |
Single-molecule DNA sequencing |
Reversible terminator sequencing by synthesis |
Method of detection |
Current |
Fluorescence/optical |
Fluorescence/optical |
Based on PCR |
No |
Yes |
Yes |
Approx. read length (bases) |
>100 kb |
10–14 kb |
200–300 |
Average read-quality value |
≈Q13 |
≈Q15 |
≈Q30 |
Sequencing speed |
Fast |
Slow |
Slow |
Price of sequencers |
Low |
High |
High |
Environmental requirements of sequencers |
Suitable for a variety of environmental conditions, even extreme environments |
High environmental requirements |
High environmental requirements |
Scalability of sequencers |
Portable sequencer |
Confined to the laboratory |
Confined to the laboratory |
Library preparation process |
Simple and quick |
Complicated |
Complicated |
Direct RNA sequencing |
Yes |
No |
No |