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Twomey E, Melo-Sampaio P, Schulte LM, Bossuyt F, Brown JL, Castroviejo-Fisher S. Multiple Routes to Color Convergence in a Radiation of Neotropical Poison Frogs. Syst Biol 2023; 72:1247-1261. [PMID: 37561391 PMCID: PMC10924724 DOI: 10.1093/sysbio/syad051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 08/03/2023] [Accepted: 08/09/2023] [Indexed: 08/11/2023] Open
Abstract
Convergent evolution is defined as the independent evolution of similar phenotypes in different lineages. Its existence underscores the importance of external selection pressures in evolutionary history, revealing how functionally similar adaptations can evolve in response to persistent ecological challenges through a diversity of evolutionary routes. However, many examples of convergence, particularly among closely related species, involve parallel changes in the same genes or developmental pathways, raising the possibility that homology at deeper mechanistic levels is an important facilitator of phenotypic convergence. Using the genus Ranitomeya, a young, color-diverse radiation of Neotropical poison frogs, we set out to 1) provide a phylogenetic framework for this group, 2) leverage this framework to determine if color phenotypes are convergent, and 3) to characterize the underlying coloration mechanisms to test whether color convergence occurred through the same or different physical mechanisms. We generated a phylogeny for Ranitomeya using ultraconserved elements and investigated the physical mechanisms underlying bright coloration, focusing on skin pigments. Using phylogenetic comparative methods, we identified several instances of color convergence, involving several gains and losses of carotenoid and pterin pigments. We also found a compelling example of nonparallel convergence, where, in one lineage, red coloration evolved through the red pterin pigment drosopterin, and in another lineage through red ketocarotenoids. Additionally, in another lineage, "reddish" coloration evolved predominantly through structural color mechanisms. Our study demonstrates that, even within a radiation of closely related species, convergent evolution can occur through both parallel and nonparallel mechanisms, challenging the assumption that similar phenotypes among close relatives evolve through the same mechanisms.
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Affiliation(s)
- Evan Twomey
- Department of Wildlife/Zoo Animal Biology and Systematics, Faculty of Biological Sciences, Goethe University Frankfurt, Max-von-Laue-Str. 13, Frankfurt am Main 60438, Germany
| | - Paulo Melo-Sampaio
- Departamento de Vertebrados, Museu Nacional, Universidade Federal do Rio de Janeiro, R. Gen. Herculano Gomes 41, Rio de Janeiro 20941-360, Brazil
| | - Lisa M Schulte
- Department of Wildlife/Zoo Animal Biology and Systematics, Faculty of Biological Sciences, Goethe University Frankfurt, Max-von-Laue-Str. 13, Frankfurt am Main 60438, Germany
| | - Franky Bossuyt
- Amphibian Evolution Laboratory, Biology Department, Vrije Universiteit Brussel, Pleinlaan 2, Brussels 1050, Belgium
| | - Jason L Brown
- School of Biological Sciences, Southern Illinois University, 125 Lincoln Dr., Carbondale, IL 62901, USA
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Zhang Q, Folk RA, Mo ZQ, Ye H, Zhang ZY, Peng H, Zhao JL, Yang SX, Yu XQ. Phylotranscriptomic analyses reveal deep gene tree discordance in Camellia (Theaceae). Mol Phylogenet Evol 2023; 188:107912. [PMID: 37648181 DOI: 10.1016/j.ympev.2023.107912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 08/09/2023] [Accepted: 08/27/2023] [Indexed: 09/01/2023]
Abstract
Gene tree discordance is a significant legacy of biological evolution. Multiple factors can result in incongruence among genes, such as introgression, incomplete lineage sorting (ILS), gene duplication or loss. Resolving the background of gene tree discordance is a critical way to uncover the process of species diversification. Camellia, the largest genus in Theaceae, has controversial taxonomy and systematics due in part to a complex evolutionary history. We used 60 transcriptomes of 55 species, which represented 15 sections of Camellia to investigate its phylogeny and the possible causes of gene tree discordance. We conducted gene tree discordance analysis based on 1,617 orthologous low-copy nuclear genes, primarily using coalescent species trees and polytomy tests to distinguish hard and soft conflict. A selective pressure analysis was also performed to assess the impact of selection on phylogenetic topology reconstruction. Our results detected different levels of gene tree discordance in the backbone of Camellia, and recovered rapid diversification as one of the possible causes of gene tree discordance. Furthermore, we confirmed that none of the currently proposed sections of Camellia was monophyletic. Comparisons among datasets partitioned under different selective pressure regimes showed that integrating all orthologous genes provided the best phylogenetic resolution of the species tree of Camellia. The findings of this study reveal rapid diversification as a major source of gene tree discordance in Camellia and will facilitate future investigation of reticulate relationships at the species level in this important plant genus.
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Affiliation(s)
- Qiong Zhang
- CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China; College of Life Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Ryan A Folk
- Department of Biological Sciences, Mississippi State University, MS 39762, United States
| | - Zhi-Qiong Mo
- CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China
| | - Hang Ye
- Guangxi Key Laboratory of Special Non-wood Forest Cultivation and Utilization, Guangxi Forestry Research Institute, Nanning 530002, Guangxi, China
| | - Zhao-Yuan Zhang
- Guangxi Key Laboratory of Special Non-wood Forest Cultivation and Utilization, Guangxi Forestry Research Institute, Nanning 530002, Guangxi, China
| | - Hua Peng
- CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China
| | - Jian-Li Zhao
- Yunnan Key Laboratory of Plant Reproductive Adaptation and Evolutionary Ecology and Institute of Biodiversity, School of Ecology and Environmental Science, Yunnan University, Kunming 650091, China.
| | - Shi-Xiong Yang
- CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China.
| | - Xiang-Qin Yu
- CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China.
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Phylogenetic relationships of the Geoplaninae land planarians (Platyhelminthes, Tricladida) assessed with a total evidence approach, with the description of a new species of Gigantea. Mol Phylogenet Evol 2023; 184:107750. [PMID: 36921695 DOI: 10.1016/j.ympev.2023.107750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 02/17/2023] [Accepted: 03/02/2023] [Indexed: 03/14/2023]
Abstract
Several studies have focused on the phylogenetic relationships within the Geoplaninae land planarians (Tricladida). In those studies, ancient phylogenetic relationships remained obscure. In this work, the phylogeny of Geoplaninae is assessed through three different datasets, namely morphological, molecular, and both datasets combined, i.e, a total evidence approach (TE). The data matrix consisted of six DNA regions, including a newly developed marker (DOM5), and a morphological matrix with 37 characters. The study produced the best-resolved hypothesis so far for the phylogeny of Geoplaninae, although ancient clades still remain elusive. The effect of the morphological data on the TE tree topology and clade support is seemingly negligible. The phylogenetic tree also suggests that most of the diagnostic morphological characters of the genera are homoplastic, while unambiguous unique synapomorphies can characterize some supra-generic informal groupings.
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Jambura PL, Villalobos-Segura E, Türtscher J, Begat A, Staggl MA, Stumpf S, Kindlimann R, Klug S, Lacombat F, Pohl B, Maisey JG, Naylor GJP, Kriwet J. Systematics and Phylogenetic Interrelationships of the Enigmatic Late Jurassic Shark Protospinax annectans Woodward, 1918 with Comments on the Shark-Ray Sister Group Relationship. DIVERSITY 2023; 15:311. [PMID: 36950326 PMCID: PMC7614347 DOI: 10.3390/d15030311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
Abstract
The Late Jurassic elasmobranch Protospinax annectans is often regarded as a key species to our understanding of crown group elasmobranch interrelationships and the evolutionary history of this group. However, since its first description more than 100 years ago, its phylogenetic position within the Elasmobranchii (sharks and rays) has proven controversial, and a closer relationship between Protospinax and each of the posited superorders (Batomorphii, Squalomorphii, and Galeomorphii) has been proposed over the time. Here we revise this controversial taxon based on new holomorphic specimens from the Late Jurassic Konservat-Lagerstätte of the Solnhofen Archipelago in Bavaria (Germany) and review its skeletal morphology, systematics, and phylogenetic interrelationships. A data matrix with 224 morphological characters was compiled and analyzed under a molecular backbone constraint. Our results indicate a close relationship between Protospinax, angel sharks (Squatiniformes), and saw sharks (Pristiophoriformes). However, the revision of our morphological data matrix within a molecular framework highlights the lack of morphological characters defining certain groups, especially sharks of the order Squaliformes, hampering the phylogenetic resolution of Protospinax annectans with certainty. Furthermore, the monophyly of modern sharks retrieved by molecular studies is only weakly supported by morphological data, stressing the need for more characters to align morphological and molecular studies in the future.
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Affiliation(s)
- Patrick L. Jambura
- Department of Palaeontology, University of Vienna, Josef-Holaubek-Platz 2, 1090 Vienna, Austria
- Vienna Doctoral School of Ecology and Evolution (VDSEE), University of Vienna, Djerassiplatz 1, 1030 Vienna, Austria
- Correspondence:
| | | | - Julia Türtscher
- Department of Palaeontology, University of Vienna, Josef-Holaubek-Platz 2, 1090 Vienna, Austria
- Vienna Doctoral School of Ecology and Evolution (VDSEE), University of Vienna, Djerassiplatz 1, 1030 Vienna, Austria
| | - Arnaud Begat
- Department of Palaeontology, University of Vienna, Josef-Holaubek-Platz 2, 1090 Vienna, Austria
- Vienna Doctoral School of Ecology and Evolution (VDSEE), University of Vienna, Djerassiplatz 1, 1030 Vienna, Austria
| | - Manuel Andreas Staggl
- Department of Palaeontology, University of Vienna, Josef-Holaubek-Platz 2, 1090 Vienna, Austria
- Vienna Doctoral School of Ecology and Evolution (VDSEE), University of Vienna, Djerassiplatz 1, 1030 Vienna, Austria
| | - Sebastian Stumpf
- Department of Palaeontology, University of Vienna, Josef-Holaubek-Platz 2, 1090 Vienna, Austria
| | - René Kindlimann
- Haimuseum und Sammlung R. Kindlimann, 8607 Aathal-Seegräben, Switzerland
| | - Stefanie Klug
- School of Science (GAUSS), Georg–August Universität Göttingen, 37077 Göttingen, Germany
| | | | - Burkhard Pohl
- Interprospekt Group, 1724 Ferpicloz, Switzerland
- Wyoming Dinosaur Center, Thermopolis, WY 82443, USA
| | - John G. Maisey
- Department of Vertebrate Paleontology, American Natural History Museum, New York, NY 10024, USA
| | - Gavin J. P. Naylor
- Florida Museum of Natural History, University of Florida, Gainesville, FL 32611, USA
| | - Jürgen Kriwet
- Department of Palaeontology, University of Vienna, Josef-Holaubek-Platz 2, 1090 Vienna, Austria
- Vienna Doctoral School of Ecology and Evolution (VDSEE), University of Vienna, Djerassiplatz 1, 1030 Vienna, Austria
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High Levels of Diversity in Anopheles Subgenus Kerteszia Revealed by Species Delimitation Analyses. Genes (Basel) 2023; 14:genes14020344. [PMID: 36833271 PMCID: PMC9956091 DOI: 10.3390/genes14020344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 01/21/2023] [Accepted: 01/24/2023] [Indexed: 02/03/2023] Open
Abstract
The Anopheles subgenus Kerteszia is a poorly understood group of mosquitoes that includes several species of medical importance. Although there are currently twelve recognized species in the subgenus, previous studies have shown that this is likely to be an underestimate of species diversity. Here, we undertake a baseline study of species delimitation using the barcode region of the mtDNA COI gene to explore species diversity among a geographically and taxonomically diverse range of Kerteszia specimens. Beginning with 10 of 12 morphologically identified Kerteszia species spanning eight countries, species delimitation analyses indicated a high degree of cryptic diversity. Overall, our analyses found support for at least 28 species clusters within the subgenus Kerteszia. The most diverse taxon was Anopheles neivai, a known malaria vector, with eight species clusters. Five other species taxa showed strong signatures of species complex structure, among them Anopheles bellator, which is also considered a malaria vector. There was some evidence for species structure within An. homunculus, although the results were equivocal across delimitation analyses. The current study, therefore, suggests that species diversity within the subgenus Kerteszia has been grossly underestimated. Further work will be required to build on this molecular characterization of species diversity and will rely on genomic level approaches and additional morphological data to test these species hypotheses.
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Anganoy-Criollo M, Viuche-Lozano A, Enciso-Calle MP, Bernal MH, Grant T. The Enigmatic Hyloxalus edwardsi Species Group (Anura: Dendrobatidae): Phylogenetic Position, a New Species, and New Putative Morphological Synapomorphies. HERPETOLOGICA 2022. [DOI: 10.1655/herpetologica-d-21-00015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Marvin Anganoy-Criollo
- Department of Zoology, Institute of Biosciences, University of São Paulo, 05508-090 São Paulo, SP, Brazil
| | - Andres Viuche-Lozano
- Grupo de Herpetología, Eco-Fisiología and Etología, Departamento de Biología, Universidad del Tolima, 730006299 Ibagué, Colombia
| | - Maria Paula Enciso-Calle
- Grupo de Herpetología, Eco-Fisiología and Etología, Departamento de Biología, Universidad del Tolima, 730006299 Ibagué, Colombia
| | - Manuel Hernando Bernal
- Grupo de Herpetología, Eco-Fisiología and Etología, Departamento de Biología, Universidad del Tolima, 730006299 Ibagué, Colombia
| | - Taran Grant
- Department of Zoology, Institute of Biosciences, University of São Paulo, 05508-090 São Paulo, SP, Brazil
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Novaes-e-Fagundes G, Lyra ML, Loredam VSA, Carvalho TR, Haddad CFB, Rodrigues MT, Baldo D, Barrasso DA, Loebmann D, Ávila RW, Brusquetti F, Prudente ALC, Wheeler WC, Goyannes Dill Orrico V, Peloso P. A tale of two bellies: systematics of the oval frogs (Anura: Microhylidae: Elachistocleis Parker, 1927). Zool J Linn Soc 2022. [DOI: 10.1093/zoolinnean/zlac057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Abstract
Oval frogs (Elachistocleis) have a broad geographic distribution covering nearly all of South America and parts of Central America. They also have a large inter- and intraspecific variation of the few morphological characters commonly used as diagnostic traits among species of the genus. Based on molecular data, we provide the most complete phylogeny of Elachistocleis to date, and explore its genetic diversity using distance-based and tree-based methods for putative species delimitation. Our results show that at least two of the most relevant traditional characters used in the taxonomy of this group (belly pattern and dorsal median white line) carry less phylogenetic information than previously thought. Based on our results, we propose some synonymizations and some candidate new species. This study is a first major step in disentangling the current systematics of Elachistocleis. Yet, a comprehensive review of morphological data is needed before any new species descriptions can be properly made.
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Affiliation(s)
- Gabriel Novaes-e-Fagundes
- Tropical Herpetology Laboratory, PPG Zoologia, Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz , Ilhéus, Bahia , Brazil
| | - Mariana L Lyra
- Instituto de Biociências, Departamento de Biodiversidade e Centro de Aquicultura (CAUNESP), Universidade Estadual Paulista , Rio Claro, São Paulo , Brazil
| | - Vinicius S A Loredam
- Instituto de Biociências, Departamento de Biodiversidade e Centro de Aquicultura (CAUNESP), Universidade Estadual Paulista , Rio Claro, São Paulo , Brazil
| | - Thiago R Carvalho
- Instituto de Biociências, Departamento de Biodiversidade e Centro de Aquicultura (CAUNESP), Universidade Estadual Paulista , Rio Claro, São Paulo , Brazil
| | - Célio F B Haddad
- Instituto de Biociências, Departamento de Biodiversidade e Centro de Aquicultura (CAUNESP), Universidade Estadual Paulista , Rio Claro, São Paulo , Brazil
| | - Miguel T Rodrigues
- Departamento de Zoologia, Instituto de Biociências, Universidade de São Paulo , São Paulo , Brazil
| | - Diego Baldo
- Laboratorio de Genética Evolutiva, Instituto de Biología Subtropical `Claudio Juan Bidau’ (CONICET-UNaM), Facultad de Ciencias Exactas Químicas y Naturales, Universidad Nacional de Misiones , Posadas, Misiones , Argentina
| | - Diego A Barrasso
- Instituto de Diversidad y Evolución Austral (IDEAus-CONICET) , Puerto Madryn, Chubut , Argentina
- Facultad de Ciencias Naturales y Ciencias de la Salud, Universidad Nacional de la Patagonia `San Juan Bosco’ , Puerto Madryn, Chubut , Argentina
| | - Daniel Loebmann
- Laboratório de Vertebrados, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande , Rio Grande, Rio Grande do Sul , Brazil
| | - Robson W Ávila
- Departamento de Biologia, Núcleo Regional de Ofiologia da UFC, Universidade Federal do Ceará , Fortaleza, Ceará , Brazil
| | - Francisco Brusquetti
- Instituto de Investigación Biológica del Paraguay , Del Escudo, Asunción , Paraguay
| | - Ana L C Prudente
- Laboratório de Herpetologia, Coordenação de Zoologia, Museu Paraense Emílio Goeldi , Belém, Pará , Brazil
| | - Ward C Wheeler
- Division of Invertebrate Zoology, American Museum of Natural History , New York, NY , USA
| | - Victor Goyannes Dill Orrico
- Tropical Herpetology Laboratory, PPG Zoologia, Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz , Ilhéus, Bahia , Brazil
| | - Pedro Peloso
- Laboratório de Herpetologia, Coordenação de Zoologia, Museu Paraense Emílio Goeldi , Belém, Pará , Brazil
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Bourke BP, Justi SA, Caicedo-Quiroga L, Pecor DB, Wilkerson RC, Linton YM. Phylogenetic analysis of the Neotropical Albitarsis Complex based on mitogenome data. Parasit Vectors 2021; 14:589. [PMID: 34838107 PMCID: PMC8627034 DOI: 10.1186/s13071-021-05090-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 11/08/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Some of the most important malaria vectors in South America belong to the Albitarsis Complex (Culicidae; Anophelinae; Anopheles). Understanding the origin, nature, and geographical distribution of species diversity in this important complex has important implications for vector incrimination, control, and management, and for modelling future responses to climate change, deforestation, and human population expansion. This study attempts to further explore species diversity and evolutionary history in the Albitarsis Complex by undertaking a characterization and phylogenetic analysis of the mitogenome of all 10 putative taxa in the Albitarsis Complex. METHODS Mitogenome assembly and annotation allowed for feature comparison among Albitarsis Complex and Anopheles species. Selection analysis was conducted across all 13 protein-coding genes. Maximum likelihood and Bayesian inference methods were used to construct gene and species trees, respectively. Bayesian methods were also used to jointly estimate species delimitation and species trees. RESULTS Gene composition and order were conserved across species within the complex. Unique signatures of positive selection were detected in two species-Anopheles janconnae and An. albitarsis G-which may have played a role in the recent and rapid diversification of the complex. The COI gene phylogeny does not fully recover the mitogenome phylogeny, and a multispecies coalescent-based phylogeny shows that considerable uncertainty exists through much of the mitogenome species tree. The origin of divergence in the complex dates to the Pliocene/Pleistocene boundary, and divergence within the distinct northern South American clade is estimated at approximately 1 million years ago. Neither the phylogenetic trees nor the delimitation approach rejected the 10-species hypothesis, although the analyses could not exclude the possibility that four putative species with scant a priori support (An. albitarsis G, An. albitarsis H, An. albitarsis I, and An. albitarsis J), represent population-level, rather than species-level, splits. CONCLUSION The lack of resolution in much of the species tree and the limitations of the delimitation analysis warrant future studies on the complex using genome-wide data and the inclusion of additional specimens, particularly from two putative species, An. albitarsis I and An. albitarsis J.
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Affiliation(s)
- Brian P Bourke
- Walter Reed Biosystematics Unit, Smithsonian Institution Museum Support Center, MRC-534, 4210 Silver Hill Rd., Suitland, MD, 20746, USA.
- Walter Reed Army Institute of Research, 503 Robert Grant Avenue, Silver Spring, MD, 20910, USA.
- Department of Entomology, Smithsonian Institution-National Museum of Natural History, 10th St NE & Constitution Ave NE, Washington, DC, 20002, USA.
| | - Silvia A Justi
- Walter Reed Biosystematics Unit, Smithsonian Institution Museum Support Center, MRC-534, 4210 Silver Hill Rd., Suitland, MD, 20746, USA
- Walter Reed Army Institute of Research, 503 Robert Grant Avenue, Silver Spring, MD, 20910, USA
- Department of Entomology, Smithsonian Institution-National Museum of Natural History, 10th St NE & Constitution Ave NE, Washington, DC, 20002, USA
| | - Laura Caicedo-Quiroga
- Walter Reed Biosystematics Unit, Smithsonian Institution Museum Support Center, MRC-534, 4210 Silver Hill Rd., Suitland, MD, 20746, USA
- Walter Reed Army Institute of Research, 503 Robert Grant Avenue, Silver Spring, MD, 20910, USA
- Department of Entomology, Smithsonian Institution-National Museum of Natural History, 10th St NE & Constitution Ave NE, Washington, DC, 20002, USA
| | - David B Pecor
- Walter Reed Biosystematics Unit, Smithsonian Institution Museum Support Center, MRC-534, 4210 Silver Hill Rd., Suitland, MD, 20746, USA
- Walter Reed Army Institute of Research, 503 Robert Grant Avenue, Silver Spring, MD, 20910, USA
- Department of Entomology, Smithsonian Institution-National Museum of Natural History, 10th St NE & Constitution Ave NE, Washington, DC, 20002, USA
| | - Richard C Wilkerson
- Walter Reed Biosystematics Unit, Smithsonian Institution Museum Support Center, MRC-534, 4210 Silver Hill Rd., Suitland, MD, 20746, USA
- Walter Reed Army Institute of Research, 503 Robert Grant Avenue, Silver Spring, MD, 20910, USA
- Department of Entomology, Smithsonian Institution-National Museum of Natural History, 10th St NE & Constitution Ave NE, Washington, DC, 20002, USA
| | - Yvonne-Marie Linton
- Walter Reed Biosystematics Unit, Smithsonian Institution Museum Support Center, MRC-534, 4210 Silver Hill Rd., Suitland, MD, 20746, USA
- Walter Reed Army Institute of Research, 503 Robert Grant Avenue, Silver Spring, MD, 20910, USA
- Department of Entomology, Smithsonian Institution-National Museum of Natural History, 10th St NE & Constitution Ave NE, Washington, DC, 20002, USA
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Schulte LM, Martel A, Cruz-Elizalde R, Ramírez-Bautista A, Bossuyt F. Love bites: male frogs (Plectrohyla, Hylidae) use teeth scratching to deliver sodefrin precursor-like factors to females during amplexus. Front Zool 2021; 18:59. [PMID: 34823558 PMCID: PMC8613984 DOI: 10.1186/s12983-021-00445-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 11/09/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Efficient transfer of chemical signals is important for successful mating in many animal species. Multiple evolutionary lineages of animals evolved direct sex pheromone transmission during traumatic mating-the wounding of the partner with specialized devices-which helps to avoid signal loss to the environment. Although such direct transmission modes of so-called allohormone pheromones are well-documented in invertebrates, they are considered rare in vertebrates. Males of several species of the frog genus Plectrohyla (Hylidae, Anura) have elongated teeth and develop swollen lips during the breeding season. Here we investigated the possibility that these structures are used to scratch the females' skin and apply allohormone pheromones during traumatic mating in several Plectrohyla species. RESULTS Our behavioural observations revealed that males press their upper jaw onto the females' dorsum during amplexus, leaving small skin scratches with their teeth. Histological examinations of the males' lips identified specialized mucus glands, resembling known amphibian pheromone glands. Whole-transcriptome sequencing of these breeding glands showed high expression of sodefrin precursor-like factor (SPF) proteins, which are known to have a pheromone function in multiple amphibian species. CONCLUSIONS Our study suggests SPF delivery via traumatic mating in several anuran species: the males have specialized breeding glands in the lips for production and secretion and use their elongated teeth as wounding devices for application. We hypothesize that these SPF proteins end up in the females' circulatory system, where understanding their exact function will require further molecular, physiological and behavioural testing.
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Affiliation(s)
- Lisa M Schulte
- Department of Wildlife-/Zoo-Animal-Biology and Systematics, Faculty of Biological Sciences, Goethe University Frankfurt, Max-von-Laue-Str. 13, 60438, Frankfurt/Main, Germany.
| | - An Martel
- Wildlife Health, Ghent University, Salisburylaan 133, 9820, Merelbeke, Belgium
| | - Raciel Cruz-Elizalde
- Laboratorio de Zoología, Facultad de Ciencias Naturales, Universidad Autónoma de Querétaro, Avenida de Las Ciencias S/N, Santa Fe Juriquilla, C. P. 76230, Querétaro, Mexico
| | - Aurelio Ramírez-Bautista
- Laboratorio de Ecología de Poblaciones, Centro de Investigaciones Biológicas, Instituto de Ciencias Básicas E Ingeniería, Universidad Autónoma del Estado de Hidalgo, Km 4.5 carretera Pachuca-Tulancingo, 42184, Mineral de La Reforma, Hidalgo, Mexico
| | - Franky Bossuyt
- Amphibian Evolution Lab, Biology Department, Vrije Universiteit Brussel (VUB), Pleinlaan 2, 1050, Brussels, Belgium
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Jacob Machado D, Scott R, Guirales S, Janies DA. Fundamental evolution of all Orthocoronavirinae including three deadly lineages descendent from Chiroptera-hosted coronaviruses: SARS-CoV, MERS-CoV and SARS-CoV-2. Cladistics 2021; 37:461-488. [PMID: 34570933 PMCID: PMC8239696 DOI: 10.1111/cla.12454] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/24/2021] [Indexed: 12/14/2022] Open
Abstract
The severe acute respiratory syndrome coronavirus (SARS-CoV) emerged in humans in 2002. Despite reports showing Chiroptera as the original animal reservoir of SARS-CoV, many argue that Carnivora-hosted viruses are the most likely origin. The emergence of the Middle East respiratory syndrome coronavirus (MERS-CoV) in 2012 also involves Chiroptera-hosted lineages. However, factors such as the lack of comprehensive phylogenies hamper our understanding of host shifts once MERS-CoV emerged in humans and Artiodactyla. Since 2019, the origin of SARS-CoV-2, causative agent of coronavirus disease 2019 (COVID-19), added to this episodic history of zoonotic transmission events. Here we introduce a phylogenetic analysis of 2006 unique and complete genomes of different lineages of Orthocoronavirinae. We used gene annotations to align orthologous sequences for total evidence analysis under the parsimony optimality criterion. Deltacoronavirus and Gammacoronavirus were set as outgroups to understand spillovers of Alphacoronavirus and Betacoronavirus among ten orders of animals. We corroborated that Chiroptera-hosted viruses are the sister group of SARS-CoV, SARS-CoV-2 and MERS-related viruses. Other zoonotic events were qualified and quantified to provide a comprehensive picture of the risk of coronavirus emergence among humans. Finally, we used a 250 SARS-CoV-2 genomes dataset to elucidate the phylogenetic relationship between SARS-CoV-2 and Chiroptera-hosted coronaviruses.
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Affiliation(s)
- Denis Jacob Machado
- Department of Bioinformatics and GenomicsUniversity of North Carolina at Charlotte9331 Robert D. Snyder RdCharlotteNC28223USA
| | - Rachel Scott
- Department of Bioinformatics and GenomicsUniversity of North Carolina at Charlotte9331 Robert D. Snyder RdCharlotteNC28223USA
| | - Sayal Guirales
- Department of Bioinformatics and GenomicsUniversity of North Carolina at Charlotte9331 Robert D. Snyder RdCharlotteNC28223USA
| | - Daniel A. Janies
- Department of Bioinformatics and GenomicsUniversity of North Carolina at Charlotte9331 Robert D. Snyder RdCharlotteNC28223USA
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11
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Echevarría LY, De la Riva I, Venegas PJ, Rojas-Runjaic FJM, R Dias I, Castroviejo-Fisher S. Total evidence and sensitivity phylogenetic analyses of egg-brooding frogs (Anura: Hemiphractidae). Cladistics 2021; 37:375-401. [PMID: 34478194 DOI: 10.1111/cla.12447] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/10/2020] [Indexed: 01/06/2023] Open
Abstract
We study the phylogenetic relationships of egg-brooding frogs, a group of 118 neotropical species, unique among anurans by having embryos with large bell-shaped gills and females carrying their eggs on the dorsum, exposed or inside a pouch. We assembled a total evidence dataset of published and newly generated data containing 51 phenotypic characters and DNA sequences of 20 loci for 143 hemiphractids and 127 outgroup terminals. We performed six analytical strategies combining different optimality criteria (parsimony and maximum likelihood), alignment methods (tree- and similarity-alignment), and three different indel coding schemes (fifth character state, unknown nucleotide, and presence/absence characters matrix). Furthermore, we analyzed a subset of the total evidence dataset to evaluate the impact of phenotypic characters on hemiphractid phylogenetic relationships. Our main results include: (i) monophyly of Hemiphractidae and its six genera for all our analyses, novel relationships among hemiphractid genera, and non-monophyly of Hemiphractinae according to our preferred phylogenetic hypothesis; (ii) non-monophyly of current supraspecific taxonomies of Gastrotheca, an updated taxonomy is provided; (iii) previous differences among studies were mainly caused by differences in analytical factors, not by differences in character/taxon sampling; (iv) optimality criteria, alignment method, and indel coding caused differences among optimal topologies, in that order of degree; (v) in most cases, parsimony analyses are more sensitive to the addition of phenotypic data than maximum likelihood analyses; (vi) adding phenotypic data resulted in an increase of shared clades for most analyses.
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Affiliation(s)
- Lourdes Y Echevarría
- Laboratório de Sistemática de Vertebrados, Pontifícia Universidade Católica do Rio Grande do Sul (PUCRS), Av. Ipiranga 6681, Porto Alegre, RS, 90619-900, Brazil.,División de Herpetología-Centro de Ornitología y Biodiversidad (CORBIDI), Urb. Huertos de San Antonio, Santa Rita No. 105 Of. 202, Surco, Lima, Perú
| | - Ignacio De la Riva
- Museo Nacional de Ciencias Naturales-CSIC, C/José Gutiérrez Abascal 2, Madrid, 28006, Spain
| | - Pablo J Venegas
- División de Herpetología-Centro de Ornitología y Biodiversidad (CORBIDI), Urb. Huertos de San Antonio, Santa Rita No. 105 Of. 202, Surco, Lima, Perú
| | | | - Iuri R Dias
- Graduate Program in Zoology, Universidade Estadual de Santa Cruz, Rodovia Jorge Amado, km 16, Ilhéus, Bahia, 45662-900, Brazil
| | - Santiago Castroviejo-Fisher
- Laboratório de Sistemática de Vertebrados, Pontifícia Universidade Católica do Rio Grande do Sul (PUCRS), Av. Ipiranga 6681, Porto Alegre, RS, 90619-900, Brazil.,Department of Herpetology, American Museum of Natural History, New York, NY, 10024, USA
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12
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Dias PHDS, Anganoy‐Criollo M, Rada M, Grant T. The tadpoles of the funnel‐mouthed dendrobatids (Anura: Dendrobatidae: Colostethinae:
Silverstoneia
): external morphology, musculoskeletal anatomy, buccopharyngeal cavity, and new synapomorphies. J ZOOL SYST EVOL RES 2021. [DOI: 10.1111/jzs.12455] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
| | - Marvin Anganoy‐Criollo
- Departamento de Zoologia Instituto de Biociências Universidade de São Paulo São Paulo Brazil
| | - Marco Rada
- Departamento de Zoologia Instituto de Biociências Universidade de São Paulo São Paulo Brazil
| | - Taran Grant
- Departamento de Zoologia Instituto de Biociências Universidade de São Paulo São Paulo Brazil
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13
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Hime PM, Lemmon AR, Lemmon ECM, Prendini E, Brown JM, Thomson RC, Kratovil JD, Noonan BP, Pyron RA, Peloso PLV, Kortyna ML, Keogh JS, Donnellan SC, Mueller RL, Raxworthy CJ, Kunte K, Ron SR, Das S, Gaitonde N, Green DM, Labisko J, Che J, Weisrock DW. Phylogenomics Reveals Ancient Gene Tree Discordance in the Amphibian Tree of Life. Syst Biol 2021; 70:49-66. [PMID: 32359157 PMCID: PMC7823230 DOI: 10.1093/sysbio/syaa034] [Citation(s) in RCA: 86] [Impact Index Per Article: 28.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Revised: 04/14/2020] [Accepted: 04/14/2020] [Indexed: 11/30/2022] Open
Abstract
Molecular phylogenies have yielded strong support for many parts of the amphibian Tree of Life, but poor support for the resolution of deeper nodes, including relationships among families and orders. To clarify these relationships, we provide a phylogenomic perspective on amphibian relationships by developing a taxon-specific Anchored Hybrid Enrichment protocol targeting hundreds of conserved exons which are effective across the class. After obtaining data from 220 loci for 286 species (representing 94% of the families and 44% of the genera), we estimate a phylogeny for extant amphibians and identify gene tree-species tree conflict across the deepest branches of the amphibian phylogeny. We perform locus-by-locus genealogical interrogation of alternative topological hypotheses for amphibian monophyly, focusing on interordinal relationships. We find that phylogenetic signal deep in the amphibian phylogeny varies greatly across loci in a manner that is consistent with incomplete lineage sorting in the ancestral lineage of extant amphibians. Our results overwhelmingly support amphibian monophyly and a sister relationship between frogs and salamanders, consistent with the Batrachia hypothesis. Species tree analyses converge on a small set of topological hypotheses for the relationships among extant amphibian families. These results clarify several contentious portions of the amphibian Tree of Life, which in conjunction with a set of vetted fossil calibrations, support a surprisingly younger timescale for crown and ordinal amphibian diversification than previously reported. More broadly, our study provides insight into the sources, magnitudes, and heterogeneity of support across loci in phylogenomic data sets.[AIC; Amphibia; Batrachia; Phylogeny; gene tree-species tree discordance; genomics; information theory.].
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Affiliation(s)
- Paul M Hime
- Biodiversity Institute, University of Kansas, Lawrence, KS 66045, USA
- Department of Biology, University of Kentucky, Lexington, KY 40506, USA
| | - Alan R Lemmon
- Department of Scientific Computing, Florida State University, Tallahassee, FL 32306, USA
| | | | - Elizabeth Prendini
- Division of Vertebrate Zoology: Herpetology, American Museum of Natural History, New York, NY 10024, USA
| | - Jeremy M Brown
- Department of Biological Sciences and Museum of Natural Science, Louisiana State University, Baton Rouge, LA 70803, USA
| | - Robert C Thomson
- School of Life Sciences, University of Hawai’i, Honolulu, HI 96822, USA
| | - Justin D Kratovil
- Department of Biology, University of Kentucky, Lexington, KY 40506, USA
- Department of Entomology, University of Kentucky, Lexington, KY 40546, USA
| | - Brice P Noonan
- Department of Biology, University of Mississippi, Oxford, MS 38677, USA
| | - R Alexander Pyron
- Department of Biological Sciences, The George Washington University, Washington, DC 20052, USA
| | - Pedro L V Peloso
- Division of Vertebrate Zoology: Herpetology, American Museum of Natural History, New York, NY 10024, USA
- Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém, 66075-750, Brazil
| | - Michelle L Kortyna
- Department of Biological Science, Florida State University, Tallahassee, FL 32306, USA
| | - J Scott Keogh
- Division of Ecology and Evolution, Research School of Biology, The Australian National University, Canberra, 2601, Australia
| | - Stephen C Donnellan
- South Australian Museum, North Terrace, Adelaide 5000, Australia
- School of Biological Sciences, University of Adelaide, Adelaide 5005, Australia
| | | | - Christopher J Raxworthy
- Division of Vertebrate Zoology: Herpetology, American Museum of Natural History, New York, NY 10024, USA
| | - Krushnamegh Kunte
- National Centre for Biological Sciences, Tata Institute of Fundamental Research, Bengaluru 560065, India
| | - Santiago R Ron
- Museo de Zoología, Escuela de Biología, Pontificia Universidad Católica del Ecuador, Quito, Ecuador
| | - Sandeep Das
- Forest Ecology and Biodiversity Conservation Division, Kerala Forest Research Institute, Peechi, Kerala 680653, India
| | - Nikhil Gaitonde
- National Centre for Biological Sciences, Tata Institute of Fundamental Research, Bengaluru 560065, India
| | - David M Green
- Redpath Museum, McGill University, Montreal, Quebec H3A 0C4, Canada
| | - Jim Labisko
- The Durrell Institute of Conservation and Ecology, School of Anthropology and Conservation, The University of Kent, Canterbury, Kent, CT2 7NR, UK
- Island Biodiversity and Conservation Centre, University of Seychelles, PO Box 1348, Anse Royale, Mahé, Seychelles
| | - Jing Che
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Kunming 650223, China
- Center for Excellence in Animal Evolution and Genetics, Chinese Academy of Sciences, Kunming 650223, China
| | - David W Weisrock
- Department of Biology, University of Kentucky, Lexington, KY 40506, USA
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14
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de Bernadi Schneider A, Jacob Machado D, Guirales S, Janies DA. FLAVi: An Enhanced Annotator for Viral Genomes of Flaviviridae. Viruses 2020; 12:E892. [PMID: 32824044 PMCID: PMC7472247 DOI: 10.3390/v12080892] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 08/11/2020] [Accepted: 08/11/2020] [Indexed: 12/15/2022] Open
Abstract
Responding to the ongoing and severe public health threat of viruses of the family Flaviviridae, including dengue, hepatitis C, West Nile, yellow fever, and Zika, demands a greater understanding of how these viruses emerge and spread. Updated phylogenies are central to this understanding. Most cladograms of Flaviviridae focus on specific lineages and ignore outgroups, hampering the efficacy of the analysis to test ingroup monophyly and relationships. This is due to the lack of annotated Flaviviridae genomes, which has gene content variation among genera. This variation makes analysis without partitioning difficult. Therefore, we developed an annotation pipeline for the genera of Flaviviridae (Flavirirus, Hepacivirus, Pegivirus, and Pestivirus, named "Fast Loci Annotation of Viruses" (FLAVi; http://flavi-web.com/), that combines ab initio and homology-based strategies. FLAVi recovered 100% of the genes in Flavivirus and Hepacivirus genomes. In Pegivirus and Pestivirus, annotation efficiency was 100% except for one partition each. There were no false positives. The combined phylogenetic analysis of multiple genes made possible by annotation has clear impacts over the tree topology compared to phylogenies that we inferred without outgroups or data partitioning. The final tree is largely congruent with previous hypotheses and adds evidence supporting the close phylogenetic relationship between dengue and Zika.
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Affiliation(s)
- Adriano de Bernadi Schneider
- AntiViral Research Center, Department of Medicine, University of California San Diego, San Diego, CA 92103, USA;
| | - Denis Jacob Machado
- Department of Bioinformatics and Genomics, College of Computing and Informatics, University of North Carolina at Charlotte, Charlotte, NC 28223, USA; (S.G.); (D.A.J.)
| | - Sayal Guirales
- Department of Bioinformatics and Genomics, College of Computing and Informatics, University of North Carolina at Charlotte, Charlotte, NC 28223, USA; (S.G.); (D.A.J.)
| | - Daniel A. Janies
- Department of Bioinformatics and Genomics, College of Computing and Informatics, University of North Carolina at Charlotte, Charlotte, NC 28223, USA; (S.G.); (D.A.J.)
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15
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Geographically separated orange and blue populations of the Amazonian poison frog Adelphobates galactonotus (Anura, Dendrobatidae) do not differ in alkaloid composition or palatability. CHEMOECOLOGY 2019. [DOI: 10.1007/s00049-019-00291-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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