Author:
- Dr. Bertalan Meskó
Source:
I’ve lived through the era of the Human Genome Project, then the Personal Genome Project, after that, the race to lower the price of genome sequencing, but what if sequencing your genome would cost nothing and you shouldn’t have to send your samples to laboratories full of sequencing machines, but you could sequence your genome at home using a USB stick.
We are not far from that.
To sequence anything longer than a few hundred base pairs, scientists mince up thousands of copies of the target DNA, sequence all the fragments, and use software to painstakingly reconstruct the order of the DNA bases by matching overlap within fragments. A new approach, called nanopore sequencing, can handle long strands of DNA at once, eliminating the need for overlap analysis. As a result, nanopore sequencers could be cheaper, faster, and more compact than other DNA sequencers. They can also accurately sequence stretches with many repeating base pairs. The MinION from Oxford Nanopore Technologies connects to a USB port. Soon, anyone with $1,000 and a computer will be able to sequence DNA.
Author:
- Dr. Bertalan Meskó
Source:
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