marks duplicates, extracts discordant/split reads


Current "next-generation" sequencing technologies cannot tell what exact sequence they will be reading. They take what is available. And if some sequences are read very often, then this needs some extra biomedical thinking. The genome could for instance be duplicated.

samblaster is a fast and flexible program for marking duplicates in read-id grouped paired-end SAM files. It can also optionally output discordant read pairs and/or split read mappings to separate SAM files, and/or unmapped/clipped reads to a separate FASTQ file. When marking duplicates, samblaster will require approximately 20MB of memory per 1M read pairs.

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Install this software package

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Install samblaster