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Statistical inference for nanopore sequencing with a biased random walk model.


ABSTRACT: Nanopore sequencing promises long read-lengths and single-molecule resolution, but the stochastic motion of the DNA molecule inside the pore is, as of this writing, a barrier to high accuracy reads. We develop a method of statistical inference that explicitly accounts for this error, and demonstrate that high accuracy (>99%) sequence inference is feasible even under highly diffusive motion by using a hidden Markov model to jointly analyze multiple stochastic reads. Using this model, we place bounds on achievable inference accuracy under a range of experimental parameters.

SUBMITTER: Emmett KJ 

PROVIDER: S-EPMC4407257 | biostudies-literature | 2015 Apr

REPOSITORIES: biostudies-literature

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Statistical inference for nanopore sequencing with a biased random walk model.

Emmett Kevin J KJ   Rosenstein Jacob K JK   van de Meent Jan-Willem JW   Shepard Ken L KL   Wiggins Chris H CH  

Biophysical journal 20150401 8


Nanopore sequencing promises long read-lengths and single-molecule resolution, but the stochastic motion of the DNA molecule inside the pore is, as of this writing, a barrier to high accuracy reads. We develop a method of statistical inference that explicitly accounts for this error, and demonstrate that high accuracy (>99%) sequence inference is feasible even under highly diffusive motion by using a hidden Markov model to jointly analyze multiple stochastic reads. Using this model, we place bou  ...[more]

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