September 22, 2019  |  

Leveraging multiple transcriptome assembly methods for improved gene structure annotation.

Authors: Venturini, Luca and Caim, Shabhonam and Kaithakottil, Gemy George and Mapleson, Daniel Lee and Swarbreck, David

The performance of RNA sequencing (RNA-seq) aligners and assemblers varies greatly across different organisms and experiments, and often the optimal approach is not known beforehand.Here, we show that the accuracy of transcript reconstruction can be boosted by combining multiple methods, and we present a novel algorithm to integrate multiple RNA-seq assemblies into a coherent transcript annotation. Our algorithm can remove redundancies and select the best transcript models according to user-specified metrics, while solving common artifacts such as erroneous transcript chimerisms.We have implemented this method in an open-source Python3 and Cython program, Mikado, available on GitHub.

Journal: GigaScience
DOI: 10.1093/gigascience/giy093
Year: 2018

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