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COSINE: non-seeding method for mapping long noisy sequences

Identifieur interne : 000E71 ( Main/Exploration ); précédent : 000E70; suivant : 000E72

COSINE: non-seeding method for mapping long noisy sequences

Auteurs : Pegah Tootoonchi Afshar [États-Unis] ; Wing Hung Wong [États-Unis]

Source :

RBID : PMC:5737678

Descripteurs français

English descriptors

Abstract

Abstract

Third generation sequencing (TGS) are highly promising technologies but the long and noisy reads from TGS are difficult to align using existing algorithms. Here, we present COSINE, a conceptually new method designed specifically for aligning long reads contaminated by a high level of errors. COSINE computes the context similarity of two stretches of nucleobases given the similarity over distributions of their short k-mers (k = 3–4) along the sequences. The results on simulated and real data show that COSINE achieves high sensitivity and specificity under a wide range of read accuracies. When the error rate is high, COSINE can offer substantial advantages over existing alignment methods.


Url:
DOI: 10.1093/nar/gkx511
PubMed: 28586438
PubMed Central: 5737678


Affiliations:


Links toward previous steps (curation, corpus...)


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