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RecBlast: Cloud-Based Large Scale Orthology Detection

Efrat Rapoport, Moran Neuhof
doi: https://doi.org/10.1101/112946
Efrat Rapoport
1Department of Neurobiology, Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv 6997801, Israel
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  • For correspondence: efrat.rapoport@gmail.com moranneuhof@mail.tau.ac.il
Moran Neuhof
1Department of Neurobiology, Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv 6997801, Israel
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  • For correspondence: efrat.rapoport@gmail.com moranneuhof@mail.tau.ac.il
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Abstract

Background The effective detection and comparison of orthologues is crucial for answering many questions in comparative genomics, phylogenetics and evolutionary biology. One of the most common methods for discovering orthologues is widely known as ‘Reciprocal Blast’. While this method is simple when comparing only two genomes, performing a large-scale comparison of Multiple Genes across Multiple Taxa becomes a labor-intensive and inefficient task. The low efficiency of this complicated process limits the scope and breadth of questions that would otherwise benefit from this powerful method.

Findings Here we present RecBlast, an intuitive and easy-to-use pipeline that enables fast and easy discovery of orthologues along and across the evolutionary tree. RecBlast is capable of running heavy, large-scale and complex Reciprocal Blast comparisons across multiple genes and multiple taxa, in a completely automatic way. RecBlast is available as a cloud-based web server, which includes an easy-to-use user interface, implemented using cloud computing and an elastic and scalable server architecture. RecBlast is also available as a powerful standalone software supporting multi-processing for large datasets, and a cloud image which can be easily deployed on Amazon Web Services cloud. We also include sample results spanning 448 human genes, which illustrate the potential of RecBlast in detecting orthologues and in highlighting patterns and trends across multiple taxa.

Conclusions RecBlast provides a fast, inexpensive and valuable insight into trends and phenomena across distance phyla, and provides data, visualizations and directions for downstream analysis. RecBlast's fully automatic pipeline provides a new and intuitive discovery platform for researchers from any domain in biology who are interested in evolution, comparative genomics and phylogenetics, regardless of their computational skills.

  • List of abbreviations

    MGMT
    Multiple Genes across Multiple Taxa
    RBH
    Reciprocal Best Hit
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    The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY-ND 4.0 International license.
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    Posted March 02, 2017.
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    RecBlast: Cloud-Based Large Scale Orthology Detection
    Efrat Rapoport, Moran Neuhof
    bioRxiv 112946; doi: https://doi.org/10.1101/112946
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    RecBlast: Cloud-Based Large Scale Orthology Detection
    Efrat Rapoport, Moran Neuhof
    bioRxiv 112946; doi: https://doi.org/10.1101/112946

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