  Motivation: New long read sequencers promise to transform sequencing and
genome assembly by producing reads tens of kilobases long. However their high
error rate significantly complicates assembly and requires expensive correction
steps to layout the reads using standard assembly engines.
  Results: We present an original and efficient spectral algorithm to layout
the uncorrected nanopore reads, and its seamless integration into a
straightforward overlap/layout/consensus (OLC) assembly scheme. The method is
shown to assemble Oxford Nanopore reads from several bacterial genomes into
good quality (~99% identity to the reference) genome-sized contigs, while
yielding more fragmented assemblies from a Sacharomyces cerevisiae reference
strain.
  Availability and implementation: http://github.com/antrec/spectrassembler
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