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Software analyzes human genome in as little as 90 minutes

RATE THIS! +34
Posted in Science on 5th Feb, 2015 04:57 PM by AlexMuller

New software can take raw sequence data on a genome and search it for disease-causing variations in a matter of hours, which its creators claim places it as the fastest genome analysis software around. They believe that this makes it now feasible to do large-scale analysis across populations.

 
Whereas it took 13 years and cost US$3 billion to sequence a human genome for the first time, senior author Peter White notes that now "even the smallest research groups can complete genomic sequencing in a matter of days." The chokepoint lies in the next step: calibrating and analyzing the billions of generated data points for genetic variants that could lead to diseases.
 
White and his team tackled the problem by automating the analytical process in a computational pipeline they called Churchill. Churchill spreads each analysis step across multiple computing instances, a process its creators call balanced regional parallelization, with special care taken to preserve data integrity so that results are "100 per cent reproducible."
 
Tests showed that Churchill can analyze a whole genome sequence in as little as 90 minutes from a raw FASTQ text-based format through to identifying variant cells at high confidence. An exome, which contains the bulk of disease-causing variants despite being a mere one per cent of the whole genome, can be analyzed in less than an hour. Churchill's performance was validated against the National Institute of Standards and Technology's benchmarks, with scores of 99.7 per cent on sensitivity, 99.99 per cent on accuracy, and 99.66 per cent on diagnostic effectiveness.

Tags: genomegeneticsDNAsoftwaremedicine

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Comments

Author: Guest
Posted: 2015-02-06
+1
This is great progress! Now when so many individual genomes can be accessed relatively easily - as with other big data- what is needed is efficient and accurate way of analysis. Well done! Reply


 

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