Wednesday, 26 May 2010

A scientific spectator's guide to next-generation sequencing

ROFL
I love the title!

A scientific spectator's guide to next-generation sequencing

Dr Keith not only looks at next gen sequencing but also the emerging technologies of single molecule sequencing. Interesting read!

My fave parts of the review
"Finally, there is the cost per base, generally expressed in a cost per human genome sequenced at approximately 40X coverage. To show one example of how these trade off, the new PacBio machine has a great cost per sample (~U$100) and per run (you can run just one sample) but a poor cost per human genome – you’d need around 12,000 of those runs to sequence a human genome (~U$120K). In contrast, one can buy a human genome on the open market for U$50K and sub U$10K genomes will probably be generally available this year."


"Length is critical to genome sequencing and RNA-seq experiments, but really short reads in huge numbers are what counts for DGE/SAGE and many of the functional tag sequencing methods. Technologies with really long reads tend not to give as many, and with all of them you can always choose a much shorter run to enable the machine to be turned over to another job sooner – if your application doesn’t need long reads."

 

 

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