Rnnotator: an automated de novo transcriptome assembly pipeline from stranded RNA-Seq reads
2010

Rnnotator: A Tool for Assembling RNA-Seq Data

publication Evidence: high

Author Information

Author(s): Martin Jeffrey, Bruno Vincent M, Fang Zhide, Meng Xiandong, Blow Matthew, Zhang Tao, Sherlock Gavin, Snyder Michael, Wang Zhong

Primary Institution: Lawrence Berkeley National Laboratory

Hypothesis

Can RNA-Seq data be assembled into full-length transcripts without a reference genome?

Conclusion

Rnnotator can accurately reconstruct full-length transcripts from RNA-Seq data even in the absence of a complete reference genome.

Supporting Evidence

  • Rnnotator produced highly accurate contigs with 95% accuracy.
  • The pipeline reconstructed full-length genes for 54.3% of existing gene models.
  • Rnnotator discovered many novel transcribed regions absent from well-annotated genomes.

Takeaway

Rnnotator is a computer program that helps scientists put together pieces of genetic information from RNA without needing a complete map of the genes.

Methodology

Rnnotator processes RNA-Seq data by filtering, assembling, and post-processing to create transcript models.

Limitations

Rnnotator may struggle with poorly expressed genes and cannot resolve transcripts from duplicated regions or polymorphic alleles.

Digital Object Identifier (DOI)

10.1186/1471-2164-11-663

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