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Genome Biol. 2015 Aug 6;16:157. doi: 10.1186/s13059-015-0721-2.

OrthoFinder: solving fundamental biases in whole genome comparisons dramatically improves orthogroup inference accuracy.

Author information

1
Department of Plant Sciences, University of Oxford, South Parks Road, Oxford, OX1 3RB, UK. david.emms@plants.ox.ac.uk.
2
Department of Plant Sciences, University of Oxford, South Parks Road, Oxford, OX1 3RB, UK. steven.kelly@plants.ox.ac.uk.

Abstract

Identifying homology relationships between sequences is fundamental to biological research. Here we provide a novel orthogroup inference algorithm called OrthoFinder that solves a previously undetected gene length bias in orthogroup inference, resulting in significant improvements in accuracy. Using real benchmark datasets we demonstrate that OrthoFinder is more accurate than other orthogroup inference methods by between 8 % and 33 %. Furthermore, we demonstrate the utility of OrthoFinder by providing a complete classification of transcription factor gene families in plants revealing 6.9 million previously unobserved relationships.

PMID:
26243257
PMCID:
PMC4531804
DOI:
10.1186/s13059-015-0721-2
[Indexed for MEDLINE]
Free PMC Article

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