Phylogeny of the túngara frog genus Engystomops (=Physalaemus pustulosus species group; Anura: Leptodactylidae)

Santiago R. Ron; Juan C. Santos; David C. Cannatella

doi:10.1016/j.ympev.2005.11.022

Phylogeny of the túngara frog genus Engystomops (=Physalaemus pustulosus species group; Anura: Leptodactylidae)

Santiago R. Ron^*
, Juan C. Santos
, David C. Cannatella

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

56 Scopus citations

Abstract

We present a phylogeny of the Neotropical genus Engystomops (=Physalaemus pustulosus species group) based on sequences of ∼2.4 kb of mtDNA, (12S rRNA, valine-tRNA, and 16S rRNA) and propose a phylogenetic nomenclature. The phylogeny includes all described taxa and two unnamed species. All analyses indicate that Engystomops is monophyletic and contains two basal allopatric clades. Clade I (Edentulus) includes E. pustulosus and the Amazonian E. petersi + E. cf. freibergi. Clade II (Duovox) includes all species distributed in W Ecuador and NW Peru. Brevivox, a clade of small-sized species is strongly supported within Duovox. Populations of Engystomops pustulosus fall into two well-supported clades, each of which occupies two disjunct portions of the species range. Overall, our phylogeny is congruent with most previous hypotheses. This study is among the few published species-level phylogenies of Neotropical amphibians derived from molecular datasets. A review of the proportion of new species detected by similar studies suggests that the increasing use of molecular techniques will lead to the discovery of a vast number of species of Neotropical amphibians.

Original language	English
Pages (from-to)	392-403
Number of pages	12
Journal	Molecular Phylogenetics and Evolution
Volume	39
Issue number	2
DOIs	https://doi.org/10.1016/j.ympev.2005.11.022
State	Published - May 2006
Externally published	Yes

Funding

This research was funded by NSF IRCEB Grant 0078150. The Ecuadorian Ministerio de Ambiente provided research and collection permits No. 004-IC-FAU-DPF, and 006-IC-FAU-DBAP/MA. Fieldwork in Ecuador and Peru has was assisted by C. Aguilar, F.P. Ayala, M.R. Bustamante, L.A. Coloma (QCAZ), M.A. Guerra, A.K. Holloway, S. Padilla, C. Proaño, G.E. Romero, E. Tapia, and I.G. Tapia. For the collection and/or loan of tissues we are indebted to A. Cardoso, L.A. Coloma, N.G. Basso, L.A. Weigt, M.J. Ryan, A.S. Rand. José R. Ron, G.M. Melo, G.E. Romero and her family provided logistic support for SRR in Quito. Laboratory work was carried out in part by B. Caudle, S. McGaugh, A.K. Holloway, G.B. Pauly, and B. Symula. Helpful comments for the manuscript were provided by L.A. Coloma, W.C. Funk, E. Moriarty, and G.B. Pauly. Michael J. Ryan, A.S. Rand, L.A. Weigt and A.J. Crawford provided tissue locality data and access to pertinent literature in press.

Funders	Funder number
National Science Foundation	0078150

Keywords

Amphibia
Cryptic diversity
Engystomops
Engystomops pustulatus
Engystomops pustulosus
Neotropics
Phylogeny
Physalaemus
Systematics
Túngara frog

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10.1016/j.ympev.2005.11.022

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title = "Phylogeny of the t{\'u}ngara frog genus Engystomops (=Physalaemus pustulosus species group; Anura: Leptodactylidae)",

abstract = "We present a phylogeny of the Neotropical genus Engystomops (=Physalaemus pustulosus species group) based on sequences of ∼2.4 kb of mtDNA, (12S rRNA, valine-tRNA, and 16S rRNA) and propose a phylogenetic nomenclature. The phylogeny includes all described taxa and two unnamed species. All analyses indicate that Engystomops is monophyletic and contains two basal allopatric clades. Clade I (Edentulus) includes E. pustulosus and the Amazonian E. petersi + E. cf. freibergi. Clade II (Duovox) includes all species distributed in W Ecuador and NW Peru. Brevivox, a clade of small-sized species is strongly supported within Duovox. Populations of Engystomops pustulosus fall into two well-supported clades, each of which occupies two disjunct portions of the species range. Overall, our phylogeny is congruent with most previous hypotheses. This study is among the few published species-level phylogenies of Neotropical amphibians derived from molecular datasets. A review of the proportion of new species detected by similar studies suggests that the increasing use of molecular techniques will lead to the discovery of a vast number of species of Neotropical amphibians.",

keywords = "Amphibia, Cryptic diversity, Engystomops, Engystomops pustulatus, Engystomops pustulosus, Neotropics, Phylogeny, Physalaemus, Systematics, T{\'u}ngara frog",

author = "Ron, \{Santiago R.\} and Santos, \{Juan C.\} and Cannatella, \{David C.\}",

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AU - Cannatella, David C.

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N2 - We present a phylogeny of the Neotropical genus Engystomops (=Physalaemus pustulosus species group) based on sequences of ∼2.4 kb of mtDNA, (12S rRNA, valine-tRNA, and 16S rRNA) and propose a phylogenetic nomenclature. The phylogeny includes all described taxa and two unnamed species. All analyses indicate that Engystomops is monophyletic and contains two basal allopatric clades. Clade I (Edentulus) includes E. pustulosus and the Amazonian E. petersi + E. cf. freibergi. Clade II (Duovox) includes all species distributed in W Ecuador and NW Peru. Brevivox, a clade of small-sized species is strongly supported within Duovox. Populations of Engystomops pustulosus fall into two well-supported clades, each of which occupies two disjunct portions of the species range. Overall, our phylogeny is congruent with most previous hypotheses. This study is among the few published species-level phylogenies of Neotropical amphibians derived from molecular datasets. A review of the proportion of new species detected by similar studies suggests that the increasing use of molecular techniques will lead to the discovery of a vast number of species of Neotropical amphibians.

AB - We present a phylogeny of the Neotropical genus Engystomops (=Physalaemus pustulosus species group) based on sequences of ∼2.4 kb of mtDNA, (12S rRNA, valine-tRNA, and 16S rRNA) and propose a phylogenetic nomenclature. The phylogeny includes all described taxa and two unnamed species. All analyses indicate that Engystomops is monophyletic and contains two basal allopatric clades. Clade I (Edentulus) includes E. pustulosus and the Amazonian E. petersi + E. cf. freibergi. Clade II (Duovox) includes all species distributed in W Ecuador and NW Peru. Brevivox, a clade of small-sized species is strongly supported within Duovox. Populations of Engystomops pustulosus fall into two well-supported clades, each of which occupies two disjunct portions of the species range. Overall, our phylogeny is congruent with most previous hypotheses. This study is among the few published species-level phylogenies of Neotropical amphibians derived from molecular datasets. A review of the proportion of new species detected by similar studies suggests that the increasing use of molecular techniques will lead to the discovery of a vast number of species of Neotropical amphibians.

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KW - Neotropics

KW - Phylogeny

KW - Physalaemus

KW - Systematics

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JO - Molecular Phylogenetics and Evolution

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IS - 2

ER -

Phylogeny of the túngara frog genus Engystomops (=Physalaemus pustulosus species group; Anura: Leptodactylidae)

Abstract

Funding

Keywords

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