Follow this blog:
RSS

How a DNA machine uses electronics to speed up testing

By | May 31, 2011, 9:26 AM PDT

Recently, I visited the headquarters of Ion Torrent and spoke with Maneesh Jain, a vice president at the company. Inside the sterile office, the sound of the DNA machines hummed ever so slightly - like a computer room’s insistent hissing sound.

The Ion Personal Genome Machine uses chemistry and semiconductor technology to produce readouts of genetic information in a couple of hours. It’s about the size of a desktop computer.

The machine is unlike any of the machines I’ve seen in traditional labs. Ion Torrent designed their machine to read sequences based on chemicals and electronic technology. The DNA sequencing machines require light to decode samples of DNA.

Using the DNA machine, scientists start with a DNA sample from tissue or blood. Then researchers amplify it and load it onto a chip. That’s when the chip is inserted into the instrument so that an electrical connection is made. When the lever is pulled down to induce a fluidic connection, DNA sequencing occurs in real-time.

Researchers can get results quickly and publish faster, Jain said. Clinicians can get results to patients much faster. The results are delivered via an iTouch.

However, the machine can’t do a full genome sequence. But that’s not the point of it. It’s a research tool. It will enable researchers to sequence cancer samples or microbes. It will give researchers access to do more DNA-based research, a a cheaper price.

Desktop-sized DNA sequencing machines could change the way genetic research is done. Instead of researchers buying really expensive equipment or paying a lot to ship samples away and wait for results to come back, researchers can do the investigations right there in the lab. That way, researchers can put in a sample, step out for coffee, check email and come back to collect the results.

Previously, Matthew Herper at Forbes wrote a story about the machine’s inventor, Jonathan Rothberg.

Rothberg told Herper: “This is biology’s century–just [as] physics was the foundation of the last century.” Citing the $100 billion medical imaging industry, he boasts, “I believe sequencing will be that big.”

Related on SmartPlanet:

Start your week smarter with our weekly e-mail newsletter. It's your cheat sheet for good ideas. Get it.

Boonsri Dickinson

About Boonsri Dickinson

Boonsri Dickinson was a contributing editor for SmartPlanet from 2010 to 2012.

Boonsri Dickinson

Boonsri Dickinson

Contributing Editor

Boonsri Dickinson is a freelance journalist based in San Francisco. She has written for Discover, The Huffington Post, Forbes, Nature Biotech, Technewsdaily.com, Techstartups.com and AOL. She's currently a reporter for Business Insider. She holds degrees from the University of Florida and the University of Colorado at Boulder.

Follow her on Twitter.

Boonsri Dickinson

Boonsri Dickinson

In the unlikely event that Boonsri has a professional or financial relationship with a company she writes about, it will be prominently disclosed.

She writes for SmartPlanet and is not an employee of CBS.

If you liked this, don't miss...
The discussion hasn’t started yet. Why don’t you begin it?
Formatting +
BB Codes - Note: HTML is not supported in forums
  • [b] Bold [/b]
  • [i] Italic [/i]
  • [u] Underline [/u]
  • [s] Strikethrough [/s]
  • [q] "Quote" [/q]
  • [ol][*] 1. Ordered List [/ol]
  • [ul][*] · Unordered List [/ul]
  • [pre] Preformat [/pre]
  • [quote] "Blockquote" [/quote]

Join the SmartPlanet community and join the conversation! Signing up is fast and free. Don't wait -- we want to hear your opinion!