Bayesembler – bayesian transcriptome assembly

RNA-seq allows for simultaneous transcript discovery and quantification, but reconstructing complete transcripts from such data remains difficult. Here, researchers from the University of Copenhagen introduce the Bayesembler, a novel probabilistic method for transcriptome assembly built on a Bayesian model of the RNA sequencing process. Under this model, samples from the posterior distribution over transcripts and their abundance values are obtained using Gibbs sampling. By using the frequency at which transcripts are observed during sampling to select the final assembly, they demonstrate marked improvements in sensitivity and precision over state-of-the-art assemblers on both simulated and real data.


Availability – The Bayesembler is available at

Maretty L, Sibbesen J, Krogh A. (2014) Bayesian transcriptome assembly. Genome Biol 15(10):501. [abstract]

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