Cited by 586Genomics and Phylogenetic StudiesSingle-cell and spatial transcriptomicsRNA Research and Splicing

Sailfish enables alignment-free isoform quantification from RNA-seq reads using lightweight algorithms

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Patro, Rob, Mount, Stephen M, Kingsford, Carl·2014·Nature Biotechnology

Abstract

We introduce Sailfish, a computational method for quantifying the abundance of previously annotated RNA isoforms from RNA-seq data. Because Sailfish entirely avoids mapping reads, a time-consuming step in all current methods, it provides quantification estimates much faster than do existing approaches (typically 20 times faster) without loss of accuracy. By facilitating frequent reanalysis of data and reducing the need to optimize parameters, Sailfish exemplifies the potential of lightweight algorithms for efficiently processing sequencing reads.

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  • RNA-seq quantification is primarily based on the number of reads that map to each transcript sequence, although algorithms such as Sailfish rely on k-mer counting in reads without the need for mapping.

    “This application is primarily based on the number of reads that map to each transcript sequence, although there are algorithms such as Sailfish that rely on k-mer counting in reads without the need for mapping [34].”

    From A survey of best practices for RNA-seq data analysis (2016) · cites this paper as [34]

  • Salmon's two-phase inference lets it construct a probabilistic model of the sequencing experiment that includes information not used by Sailfish and kallisto.

    “This two-phase inference procedure allows Salmon to build a probabilistic model of the sequencing experiment that incorporates information — like terms contributing to the conditional probability of drawing a fragment given a transcript — not considered by Sailfish [9] and kallisto [10].”

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Authors
Patro, R., Mount, S. M., & Kingsford, C.
Affiliations
  • Carnegie Mellon University (US)
  • University of Maryland, College Park (US)
Corresponding author
Kingsford, Carl
Venue
Nature Biotechnology
Published
2014-04-20
Volume
32
Issue
5
Pages
462-464
ISSN
  • 0733-222X (ISSN-L)
  • 1087-0156
  • 1546-1696
OpenAlex
W2065128082
Cited by
586
References
26
Citations by year
2026: 12 · 2025: 17 · 2024: 28 · 2023: 35 · 2022: 38 · 2021: 61 · 2020: 62 · 2019: 60 · 2018: 80 · 2017: 69 · 2016: 71 · 2015: 41 · 2014: 12
FWCI
26.40
Type
journal article
Language
en
Open access
Locations
  • Nature Biotechnology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • arXiv (Cornell University) (submittedVersion)
  • KiltHub Repository (submittedVersion)
  • Figshare (submittedVersion, cc-by)
  • arXiv (Cornell University)
  • KiltHub Repository (cc-by)
Funders
  • National Human Genome Research Institute (R21HG006913, R01HG007104)
  • National Institute of Allergy and Infectious Diseases (R21AI085376)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Phylogenetic Studies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Single-cell and spatial transcriptomics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Research and Splicing
Keywords
sailfish, RNA-seq, transcript abundance estimation, lightweight algorithms, computational efficiency
MeSH terms
Algorithms, Brain Chemistry, Humans, Models, Biological, Software, Sequence Analysis, RNA, Computational Biology, RNA Isoforms

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