A draft genome assembly for the dart-poison frog Phyllobates terribilis

Dendrobatid poison frogs have become well established as model systems in several fields of biology. Nevertheless, the development of molecular and genetic resources for these frogs has been hindered by their large, highly repetitive genomes, which have proven difficult to assemble. Here we present a draft assembly for <i>Phyllobates terribilis</i> (12.6 Gb), generated using a combination of sequencing platforms and bioinformatic approaches. Similar to other poison frog sequencing efforts, we recovered a highly fragmented assembly, likely due to the genome's large size and very high repeat content, which we estimated to be ≍88%. Despite the assembly's low contiguity, we were able to annotate multiple members of three gene sets of interest (voltage-gated sodium channels and <i>Notch</i> and <i>Wnt</i> signaling pathways), demonstrating the usefulness of our assembly to the amphibian research community.

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Journal
Gigabyte
Published
2025-06-20
DOI
https://doi.org/10.46471/gigabyte.157
Primary Topic
Genomics and Phylogenetic Studies
Type
article
Field-Weighted Citation Impact
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article

A draft genome assembly for the dart-poison frog Phyllobates terribilis

Kerry L. Gendreau, Daniel Janies, Ralph A. Saporito, Marcus R. Kronforst et al.
Gigabyte
Genomics and Phylogenetic Studies
article

A draft genome assembly for the dart-poison frog Phyllobates terribilis

Kerry L. Gendreau, Daniel Janies, Ralph A. Saporito, Marcus R. Kronforst, Taran Grant, Denis Jacob Machado, Roberto Márquez, Reza Nouri
article en

Abstract

Dendrobatid poison frogs have become well established as model systems in several fields of biology. Nevertheless, the development of molecular and genetic resources for these frogs has been hindered by their large, highly repetitive genomes, which have proven difficult to assemble. Here we present a draft assembly for <i>Phyllobates terribilis</i> (12.6 Gb), generated using a combination of sequencing platforms and bioinformatic approaches. Similar to other poison frog sequencing efforts, we recovered a highly fragmented assembly, likely due to the genome's large size and very high repeat content, which we estimated to be ≍88%. Despite the assembly's low contiguity, we were able to annotate multiple members of three gene sets of interest (voltage-gated sodium channels and <i>Notch</i> and <i>Wnt</i> signaling pathways), demonstrating the usefulness of our assembly to the amphibian research community.

GigabyteVol. 2025
University of North Carolina at Charlotte (US), Universidade de São Paulo (BR), John Carroll University (US), University of Chicago (US), Virginia Tech (US)
National Science Foundation, University of Chicago, Fundação de Amparo à Pesquisa do Estado de São Paulo, Conselho Nacional de Desenvolvimento Científico e Tecnológico, University of North Carolina at Charlotte, National Institute of General Medical Sciences
Openalex Percentile: Top 87%
Genomics and Phylogenetic Studies
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A draft genome assembly for the dart-poison frog Phyllobates terribilis — Kerry L. Gendreau, Daniel Janies, et al. · Gigabyte (2025) | TGRS Research Map | TGRS