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Brief Communication

Nature Methods 5, 179–181 (1 February 2008) | doi:10.1038/nmeth.1172

Pyrobayes: an improved base caller for SNP discovery in pyrosequences

Aaron R Quinlan , Donald A Stewart , Michael P Str|[ouml]|mberg & G|[aacute]|bor T Marth

Previously reported applications of the 454 Life Sciences pyrosequencing technology have relied on deep sequence coverage for accurate polymorphism discovery because of frequent insertion and deletion sequence errors. Here we report a new base calling program, Pyrobayes, for pyrosequencing reads.