QuaPra: Efficient transcript assembly and quantification using quadratic programming with Apriori algorithm

Xiangjun Ji, Weida Tong, Baitang Ning, Christopher E. Mason, David P. Kreil, Pawel P. Labaj, Geng Chen*, Tieliu Shi

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

RNA sequencing (RNA-seq) has greatly facilitated the exploring of transcriptome landscape for diverse organisms. However, transcriptome reconstruction is still challenging due to various limitations of current tools and sequencing technologies. Here, we introduce an efficient tool, QuaPra (Quadratic Programming combined with Apriori), for accurate transcriptome assembly and quantification. QuaPra could detect at least 26.5% more low abundance (0.1–1 FPKM) transcripts with over 2.1% increase of sensitivity and precision on simulated data compared to other currently popular tools. Moreover, around one-quarter more known transcripts were correctly assembled by QuaPra than other assemblers on real sequencing data. QuaPra is freely available at https://doi.org/www.megabionet.org/QuaPra/.

Original languageEnglish
Pages (from-to)937-946
Number of pages10
JournalScience China Life Sciences
Volume62
Issue number7
DOIs
StatePublished - 1 Jul 2019

Keywords

  • RNA-Seq
  • transcript assembly
  • transcript quantification
  • transcriptome reconstruction

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