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Janzen FH, Pérez-Rodríguez R, Domínguez-Domínguez O, Hendrickson DA, Sabaj MH, Blouin-Demers G. Phylogenetic relationships of the North American catfishes (Ictaluridae, Siluriformes): Investigating the origins and parallel evolution of the troglobitic species. Mol Phylogenet Evol 2023; 182:107746. [PMID: 36849094 DOI: 10.1016/j.ympev.2023.107746] [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: 11/02/2022] [Revised: 02/09/2023] [Accepted: 02/22/2023] [Indexed: 02/27/2023]
Abstract
Insular habitats have played an important role in developing evolutionary theory, including natural selection and island biogeography. Caves are insular habitats that place extreme selective pressures on organisms due to the absence of light and food scarcity. Therefore, cave organisms present an excellent opportunity for studying colonization and speciation in response to the unique abiotic conditions that require extreme adaptations. One vertebrate family, the North American catfishes (Ictaluridae), includes four troglobitic species that inhabit the karst region bordering the western Gulf of Mexico. The phylogenetic relationships of these species have been contentious, and conflicting hypotheses have been proposed to explain their origins. The purpose of our study was to construct a time-calibrated phylogeny of Ictaluridae using first-occurrence fossil data and the largest molecular dataset on the group to date. We test the hypothesis that troglobitic ictalurids have evolved in parallel, thus resulting from repeated cave colonization events. We found that Prietella lundbergi is sister to surface-dwelling Ictalurus and that Prietella phreatophila + Trogloglanis pattersoni are sister to surface-dwelling Ameiurus, suggesting that ictalurids colonized subterranean habitats at least twice in evolutionary history. The sister relationship between Prietella phreatophila and Trogloglanis pattersoni may indicate that these two species diverged from a common ancestor following a subterranean dispersal event between Texas and Coahuila aquifers. We recovered Prietella as a polyphyletic genus and recommend P. lundbergi be removed from this genus. With respect to Ameiurus, we found evidence for a potentially undescribed species sister to A. platycephalus, which warrants further investigation of Atlantic and Gulf slope Ameiurus species. In Ictalurus, we identified shallow divergence between I. dugesii and I. ochoterenai, I. australis and I. mexicanus, and I. furcatus and I. meridionalis, indicating a need to reexamine the validity of each species. Lastly, we propose minor revisions to the intrageneric classification of Noturus including the restriction of subgenus Schilbeodes to N. gyrinus (type species), N. lachneri, N. leptacanthus, and N. nocturnus.
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Affiliation(s)
- Francesco H Janzen
- Department of Biology, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada.
| | | | | | - Dean A Hendrickson
- Biodiversity Center, Texas Natural History Collections, University of Texas at Austin, Austin, TX 78758, United States
| | - Mark H Sabaj
- The Academy of Natural Sciences of Drexel University, Philadelphia, PA 19103, United States
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2
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Benovics M, Vukić J, Šanda R, Nejat F, Charmpila EA, Buj I, Shumka S, Porcelloti S, Tarkan SA, Aksu S, Emiroğlu O, Šimková A. Monogeneans and chubs: Ancient host-parasite system under the looking glass. Mol Phylogenet Evol 2023; 179:107667. [PMID: 36400419 DOI: 10.1016/j.ympev.2022.107667] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 11/04/2022] [Accepted: 11/10/2022] [Indexed: 11/16/2022]
Abstract
Host-parasite coevolution is one of the fundamentals of evolutionary biology. Due to the intertwined evolutionary history of two interacting species and reciprocal coadaptation processes of hosts and parasites, we can expect that studying parasites will shed more light onto the evolutionary processes of their hosts. Monogenea (ectoparasitic Platyhelminthes) and their cyprinoid fish hosts represent one of the best models for studying host-parasite evolutionary relationships using a cophylogenetic approach. These parasites have developed remarkably high host specificity, where each host species often serves as a potential host for its own host-specific monogenean species. Here, the cophylogenetic relationships in the Dactylogyrus-Squalius system was investigated, as Squalius is one of several cyprinoid genera with puzzling phylogeography and inhabits all four major peri-Mediterranean peninsulas. Of 29 endemic Squalius species examined for the presence of Dactylogyrus parasites, a total of 13 Dactylogyrus species were collected from the gills of 20 Squalius species across a wide range of distribution. Phylogenetic reconstruction revealed a polyphyletic origin for Dactylogyrus species parasitizing congeneric Squalius, with four major clades being recognized. On the basis of the delimitation of host specificity, strict specialists parasitizing single host species, geographic specialists parasitizing congeners in a limited geographical region, and true generalists parasitizing congeners in various geographical regions were recognized in Dactylogyrus species parasitizing Squalius. The phylogenetic reconstruction of Squalius hosts revealed two major clades, the first encompassing only peri-Mediterranean species and the second including species from other Euro-Asian regions. Distance-based cophylogenetic methods did not reveal a statistically significant global cophylogenetic structure in the studied system; however, several host-parasite links among Iberian endemic species contributed significantly to the overall structure. The widest host range and associated genetic variability were recorded for D. folkmanovae, parasitizing nine Squalius species, and D. vistulae, parasitizing 13 Squalius species. Two different dispersion mechanisms and morphological adaptations to Squalius hosts were clearly reflected in the contrasting cophylogenetic patterns for these two species with different levels of host specificity. While host-parasite cospeciation plays an important role in diversification within D. folkmanovae, diversification within D. vistulae is driven mainly by host switching.
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Affiliation(s)
- M Benovics
- Department of Botany and Zoology, Faculty of Science, Masaryk University, Kotlářská 2, 611 37 Brno, Czech Republic; Department of Zoology, Faculty of Natural Sciences, Comenius University in Bratislava, Ilkovičova 6, 842 15 Bratislava, Slovakia.
| | - J Vukić
- Department of Ecology, Faculty of Science, Charles University, Viničná 7, Prague 2 128 44, Czech Republic.
| | - R Šanda
- Department of Ecology, Faculty of Science, Charles University, Viničná 7, Prague 2 128 44, Czech Republic; Department of Zoology, National Museum, Václavské Náměstí 68, Prague 1 110 00, Czech Republic.
| | - F Nejat
- Department of Botany and Zoology, Faculty of Science, Masaryk University, Kotlářská 2, 611 37 Brno, Czech Republic.
| | - E A Charmpila
- Department of Ecology, Faculty of Science, Charles University, Viničná 7, Prague 2 128 44, Czech Republic.
| | - I Buj
- Department of Zoology, Faculty of Science, University of Zagreb, Rooseveltov trg 6, 100 00 Zagreb, Croatia.
| | - S Shumka
- Department of Biotechnology and Food, Faculty of Biotechnology and Food, Agricultural University of Tirana, Tirana, Albania.
| | - S Porcelloti
- Associazione Ichthyos Italia, Via. A Cecchi 12, 52100 Arezzo, Italy.
| | - S A Tarkan
- Faculty of Fisheries, Muğla Sıtkı Koçman University, Menteşe 480 00, Muğla, Turkey; Department of Ecology and Vertebrate Zoology, Faculty of Biology and Environmental Protection, University of Łódź, Łódź, Poland.
| | - S Aksu
- Vocational School of Health Services, Eskişehir Osmangazi University, Büyükdere Meşelik Yerleşkesi, 26040 Eskişehir, Turkey.
| | - O Emiroğlu
- Vocational School of Health Services, Eskişehir Osmangazi University, Büyükdere Meşelik Yerleşkesi, 26040 Eskişehir, Turkey.
| | - A Šimková
- Department of Botany and Zoology, Faculty of Science, Masaryk University, Kotlářská 2, 611 37 Brno, Czech Republic.
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3
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Bitencourt JA, Affonso PRAM, Ramos RTC, Schneider H, Sampaio I. Phylogenetic relationships and the origin of New World soles (Teleostei: Pleuronectiformes: Achiridae): The role of estuarine habitats. Mol Phylogenet Evol 2023; 178:107631. [PMID: 36162736 DOI: 10.1016/j.ympev.2022.107631] [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: 05/08/2022] [Revised: 09/08/2022] [Accepted: 09/20/2022] [Indexed: 12/14/2022]
Abstract
Even though the monophyletic status of Achiridae has been supported by morphological and molecular data, the interrelationships within the representatives of this family are poorly resolved. In the present study, we carried out the most complete molecular phylogenetic analysis of this group, encompassing all genera and employing both nuclear (Rhodopsin, Recombination activator [Rag 1], Mixed - lineage Leukemia [MLL] and Early Growth Response Protein 3 [EGR3]) and mitochondrial (Cytochrome C Oxidase Subunit I [COI], Cytochrome B [CytB], ATPase 6.8, 16S and 12S RNAr) genes. All topologies based on Maximum Likelihood, Bayesian inferences and Bayesian Inference of the Multispecies Coalescent confirmed the monophyletism of Achiridae, in spite of some incongruences in relation to Achirus mucuri, A. lineatus, Apionichthys finis and Trinectes microphthalmus. In fact, Achirus and Trinectes proved to be non-monophyletic genera while Hypoclinemus mentalis was closely related to A. achirus, suggesting this species should be reevaluated. We provided evidence that Achiridae has first arisen in estuaries (about 23.5 million years ago) and some lineages have evolved independently to either marine or freshwater habitats. Furthermore, we propose a diversification scenario of New World soles involving at least two events of marine incursions during Miocene and Pliocene - Pleistocene associated with natural geographic barriers (Victoria-Trindade chain), the width and exposure of continental shelf and headwater capture along the Amazon basin. Finally, the evolutionary dependence of Achirid soles on estuaries, characterized as highly dynamic environments, has probably driven the recent divergence of many species of Achiridae.
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Affiliation(s)
- Jamille A Bitencourt
- Departamento de Ciências Biológicas, Universidade Estadual do Sudoeste da Bahia, Campus Jequié, Av. José Moreira Sobrinho, S/N, Jequiezinho, 45208-190 Jequié, BA, Brazil.
| | - Paulo R A M Affonso
- Departamento de Ciências Biológicas, Universidade Estadual do Sudoeste da Bahia, Campus Jequié, Av. José Moreira Sobrinho, S/N, Jequiezinho, 45208-190 Jequié, BA, Brazil
| | - Robson T C Ramos
- Departamento de Sistemática e Ecologia, Universidade Federal da Paraíba, Campus I Lot. Cidade Universitária, 58051-900 João Pessoa, PB, Brazil
| | - Horacio Schneider
- Instituto de Estudos Costeiros, Universidade Federal do Pará, Campus Universitário de Bragança, Alameda Leandro Ribeiro, 68600-000 Bragança, PA, Brazil
| | - Iracilda Sampaio
- Instituto de Estudos Costeiros, Universidade Federal do Pará, Campus Universitário de Bragança, Alameda Leandro Ribeiro, 68600-000 Bragança, PA, Brazil
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4
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Macate IE, Bessa-Silva A, Caires RA, Vallinoto M, Giarrizzo T, Angulo A, Ruiz-Campos G, Sampaio I, Guimarães-Costa A. Phylogenetic relationships of sleeper gobies (Eleotridae: Gobiiformes: Gobioidei), with comments on the position of the miniature genus Microphilypnus. Sci Rep 2022; 12:22162. [PMID: 36550282 PMCID: PMC9780216 DOI: 10.1038/s41598-022-26555-7] [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: 03/02/2022] [Accepted: 12/16/2022] [Indexed: 12/24/2022] Open
Abstract
Microphilypnus and Leptophilypnion are miniaturized genera within the family Eleotridae. The evolutionary relationships among these taxa are still poorly understood, and molecular analyses are restricted to mitochondrial genes, which have not been conclusive. We compiled both mitochondrial and nuclear genes to study the phylogenetic position of Microphilypnus and the evolutionary history and relationships of eleotrids. We propose that Microphilypnus and Leptophilypnus (a non-miniature genus) are not sister groups as suggested by previous studies, but rather separate lineages that arose in the early Eocene, with Leptophilypnus recovered as a sister group to the other analyzed eleotrids. In fact, Microphilypnus is currently associated with the Neotropical clade Guavina/Dormitator/Gobiomorus. We also identified a well-supported clade that indicated Gobiomorus and Hemieleotris as paraphyletic groups, besides a close relationship among Calumia godeffroyi, Bunaka gyrinoides, Eleotris and Erotelis species. This is the first comprehensive report about the evolutionary relationships in members of the family Eleotridae, including multiloci and multispecies approaches. Therefore, we provided new insights about the phylogenetic position of some taxa absent in previous studies, such as the miniature genus Microphilypnus and a recently described species of Eleotris from South America.
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Affiliation(s)
- Isadola Eusébio Macate
- grid.271300.70000 0001 2171 5249Laboratório de Evolução, Instituto de Estudos Costeiros, Universidade Federal do Pará, campus de Bragança, Alameda Leandro Ribeiro, 68600-000 Bragança, Pará Brazil
| | - Adam Bessa-Silva
- grid.271300.70000 0001 2171 5249Laboratório de Evolução, Instituto de Estudos Costeiros, Universidade Federal do Pará, campus de Bragança, Alameda Leandro Ribeiro, 68600-000 Bragança, Pará Brazil ,grid.5808.50000 0001 1503 7226CIBIO-InBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, Universidade do Porto, Campus Agrário de Vairão, 4485-661 Vairão, Portugal
| | - Rodrigo Antunes Caires
- grid.11899.380000 0004 1937 0722Laboratório de Diversidade, Ecologia e Distribuição de Peixes, Instituto Oceanografico da Universidade de São Paulo, Praça do Oceanografico, Butantã, 05508-120, São Paulo, Brazil
| | - Marcelo Vallinoto
- grid.271300.70000 0001 2171 5249Laboratório de Evolução, Instituto de Estudos Costeiros, Universidade Federal do Pará, campus de Bragança, Alameda Leandro Ribeiro, 68600-000 Bragança, Pará Brazil ,grid.5808.50000 0001 1503 7226CIBIO-InBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, Universidade do Porto, Campus Agrário de Vairão, 4485-661 Vairão, Portugal
| | - Tommaso Giarrizzo
- grid.271300.70000 0001 2171 5249Laboratório de Biologia Pesqueira - Manejo de Recursos Aquáticos, Universidade Federal do Pará, Campus do Guamá, Av. Perimetral. 2651, Belém, Pará Brazil
| | - Arturo Angulo
- grid.412889.e0000 0004 1937 0706Museo de Zoología, Escuela de Biología, Universidad de Costa Rica, San Pedro de Montes de Oca, San José, Costa Rica ,grid.412889.e0000 0004 1937 0706Centro de Investigación en Biodiversidad y Ecología Tropical, Museo de Zoología, Universidad de Costa Rica, San Pedro de Montes de Oca, San José, 11501–2060 Costa Rica
| | - Gorgonio Ruiz-Campos
- grid.412852.80000 0001 2192 0509Facultad de Ciencias, Universidad Autónoma de Baja California, 22860 Ensenada, Baja California Mexico
| | - Iracilda Sampaio
- grid.271300.70000 0001 2171 5249Laboratório de Evolução, Instituto de Estudos Costeiros, Universidade Federal do Pará, campus de Bragança, Alameda Leandro Ribeiro, 68600-000 Bragança, Pará Brazil
| | - Aurycéia Guimarães-Costa
- grid.271300.70000 0001 2171 5249Laboratório de Evolução, Instituto de Estudos Costeiros, Universidade Federal do Pará, campus de Bragança, Alameda Leandro Ribeiro, 68600-000 Bragança, Pará Brazil
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5
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Using Species Groups to Approach the Large and Taxonomically Unresolved Freshwater Fish Family Nemacheilidae (Teleostei: Cypriniformes). BIOLOGY 2022; 11:biology11020175. [PMID: 35205042 PMCID: PMC8869502 DOI: 10.3390/biology11020175] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 01/16/2022] [Accepted: 01/19/2022] [Indexed: 11/17/2022]
Abstract
Large animal families with unresolved taxonomy are notoriously difficult to handle with respect to their biodiversity, systematics, and evolutionary history. We approach a large and taxonomically unresolved family of freshwater fishes (Nemacheilidae, >600 species) by proposing, on the basis of morphologic data, a species group within the family and study its phylogeny with conclusions regarding its diversity, taxonomy, and biogeographic history. Phylogenetic analyses of two mitochondrial and three nuclear genes of 139 specimens, representing about 46 species (17 candidate species from the proposed species-group, plus 29 comparative species), revealed that the proposed species group does not form a distinct monophyletic lineage, but that the candidate and comparative species mixed in three different lineages. However, the results revealed more than 20% of undescribed species within the ingroup and showed that species do not cluster according to the presently recognised genera. At least one of the genetic clades shows signs of an eastward range expansion during the second half of Miocene from north India via Myanmar into Laos, western China, and western Thailand. We conclude that the approach of picking monophyletic lineages to study biodiversity, systematics, and evolutionary history helps to open the door to large animal families.
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6
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Two New Moray Eels of Genera Diaphenchelys and Gymnothorax (Anguilliformes: Muraenidae) from Taiwan and the Philippines. Zool Stud 2021; 60:e24. [PMID: 34853614 DOI: 10.6620/zs.2021.60-24] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Accepted: 03/07/2021] [Indexed: 11/18/2022]
Abstract
Two new moray eels of the genera Diaphenchelys and Gymnothorax from Taiwan and the Philippines are described. Diaphenchelys laimospila sp. nov. is described based on two specimens that represent the third species and a new geographic record of the genus. It can be distinguished from the other two congeners by the number of cephalic sensory pores, vertebral formula, morphometric measurements, and the coloration pattern. Gymnothorax pseudokidako sp. nov. is a muraenid with a dark brown body covered by pale snowflake-like blotches. It differs from the most similar species Gymnothorax kidako (Temminck and Schlegel) by having a relatively short tail (50.5-53.0% vs. 52.9-56.4% of TL), more dentary teeth (17-26 vs. 16-20), fewer total vertebrae (134-139 vs. 137-143), and the absence of white margin on anal fin (vs. prominent white margin). These two new species were also confirmed by molecular analyses, the mitochondrial COI gene (593 bp) for D. laimospila, and the nuclear EGR3 gene (767 bp) for G. pseudokidako.
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7
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Yang L, Naylor GJP, Mayden RL. Deciphering reticulate evolution of the largest group of polyploid vertebrates, the subfamily cyprininae (Teleostei: Cypriniformes). Mol Phylogenet Evol 2021; 166:107323. [PMID: 34634450 DOI: 10.1016/j.ympev.2021.107323] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 09/23/2021] [Accepted: 10/05/2021] [Indexed: 02/04/2023]
Abstract
Despite the rarity of polyploidy in animals, some groups with polyploid species exhibit complicated and interesting patterns of reticulate evolution. Here we focus on fishes in the subfamily Cyprininae, the largest polyploid group of vertebrates. The large number of polyploid taxa poses significant challenges for phylogenetic and evolutionary studies on this subfamily. In this study, we cloned and sequenced three single-copy nuclear loci to investigate the evolution of polyploidy in the Cyprininae. Topologies of nuclear gene trees were compared with a newly reconstructed mitochondrial tree. The data provided herein corroborate the hybrid origins of the tribes Torini, Cyprinini, Spinibarbini, Barbini, and also Probarbini. Based on results from this study and previous studies, we hypothesize that at least 13 independent polyploidization events have occurred during the evolution of the Cyprininae. We offer hypotheses on the origin of each polyploid group and show that a diploid group or the diploid ancestor of a polyploid group might have served as progenitor of one or two other polyploid groups. The evolutionary history of Cyprinine (since its first divergence) can be divided into three stages: the "Diploid stage" (69.2-43.4 Ma or million years ago), the "Tetraploidization stage" (43.4-18.9 Ma), and the "Hexaploidization stage" (18.9 Ma to present). The second stage is when all tetraploidization events happened, while the last stage is when all hexaploidization events and most genus- or species-specific polyploidization events occurred. The post-polyploidization dynamics of polyploid groups are complicated and warrant more genomic level studies. We showed that the subfamily Cyprininae may represent a more complicated polyploid system than most, if not all, other vertebrates and some plants, if one or more of the following factors are considered: number of polyploid species, number of different ploidy levels, and number and type of independent polyploidization events.
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Affiliation(s)
- Lei Yang
- Florida Museum of Natural History, 1659 Museum Rd. University of Florida, Gainesville, FL 32611, USA.
| | - Gavin J P Naylor
- Florida Museum of Natural History, 1659 Museum Rd. University of Florida, Gainesville, FL 32611, USA
| | - Richard L Mayden
- Biology Department, Saint Louis University, 3507 Laclede Avenue, St. Louis, MO 63103, USA
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8
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Britz R, Conway KW, Rüber L. The emerging vertebrate model species for neurophysiological studies is Danionella cerebrum, new species (Teleostei: Cyprinidae). Sci Rep 2021; 11:18942. [PMID: 34556691 PMCID: PMC8460714 DOI: 10.1038/s41598-021-97600-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Accepted: 08/26/2021] [Indexed: 11/09/2022] Open
Abstract
The four described species of Danionella are tiny, transparent fishes that mature at sizes between 10–15 mm, and represent some of the most extreme cases of vertebrate progenesis known to date. The miniature adult size and larval appearance of Danionella, combined with a diverse behavioral repertoire linked to sound production by males, have established Danionella as an important model for neurophysiological studies. The external similarity between the different species of Danionella has offered an important challenge to taxonomic identification using traditional external characters, leading to confusion over the identity of the model species. Using combined morphological and molecular taxonomic approaches, we show here that the most extensively studied species of Danionella is not D. translucida, but represents an undescribed species, D. cerebrum n. sp. that is externally almost identical to D. translucida, but differs trenchantly in several internal characters. Molecular analyses confirm the distinctiveness of D. cerebrum and D. translucida and suggest that the two species are not even sister taxa. Analysis of the evolution of sexual dimorphisms associated with the Weberian apparatus reveals significant increases in complexity from the simpler condition found in D. dracula, to most complex conditions in D. cerebrum, D. mirifica and D. translucida.
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Affiliation(s)
- Ralf Britz
- Senckenberg Natural History Collections Dresden, Museum of Zoology, 01109, Dresden, Germany. .,Research Associate, Department of Life Sciences, Natural History Museum, London, SW75BD, UK.
| | - Kevin W Conway
- Department of Ecology and Conservation, Biology and Biodiversity Research and Teaching Collections, Texas A&M University, College Station, College Station, TX, 77543, USA.,Research Associate, Ichthyology, Australian Museum Research Institute, 1 William Street, Sydney, NSW, 2010, Australia
| | - Lukas Rüber
- Naturhistorisches Museum Bern, 3005, Bern, Switzerland.,Aquatic Ecology and Evolution, Institute of Ecology and Evolution, University of Bern, 3012, Bern, Switzerland
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Sudasinghe H, Pethiyagoda R, Ranasinghe RHT, Raghavan R, Dahanukar N, Meegaskumbura M. A molecular phylogeny of the freshwater‐fish genusRasbora(Teleostei: Cyprinidae) in Sri Lanka reveals a remarkable diversification—And a cryptic species. J ZOOL SYST EVOL RES 2020. [DOI: 10.1111/jzs.12395] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Hiranya Sudasinghe
- Evolutionary Ecology and Systematics Lab Department of Molecular Biology and Biotechnology University of Peradeniya Peradeniya Sri Lanka
- Postgraduate Institute of Science University of Peradeniya Peradeniya Sri Lanka
| | | | | | - Rajeev Raghavan
- Department of Fisheries Resource Management Kerala University of Fisheries and Ocean Studies (KUFOS) Kochi India
| | - Neelesh Dahanukar
- Indian Institute of Science Education and Research (IISER) Pune India
| | - Madhava Meegaskumbura
- Guangxi Key Laboratory of Forest Ecology & Conservation College of Forestry Guangxi University Nanning China
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Bohlen J, Dvořák T, Šlechta V, Šlechtová V. Resolving an unnoticed diversity within the Schistura robertsi species complex (Teleostei: Nemacheilidae) using molecules and morphology. Mol Phylogenet Evol 2020; 151:106894. [PMID: 32562824 DOI: 10.1016/j.ympev.2020.106894] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 06/10/2020] [Accepted: 06/12/2020] [Indexed: 12/20/2022]
Abstract
The Schistura robertsi species complex is a group of freshwater fish inhabiting streams in southeast Myanmar as well as in western and southern Thailand. In southern Thailand, the distribution exceeds the biogeographically important 'Surat Thani - Krabi line'. The complex is believed to include five described and one undescribed species, but monophyly and systematics of the group have never been studied explicitly. The present study aims to resolve the number of species within the Schistura robertsi group as well as their distribution areas and phylogenetic relations. We analysed mitochondrial and nuclear sequence data of 86 specimens from 47 localities and 18 morphological characters of 193 specimens. The phylogenetic analyses revealed the S. robertsi complex to be monophyletic and to be composed of ten major lineages. Six of them correspond to the known described or undescribed species, but another four newly identified clades reveal the existence of an overlooked diversity within the group. All genetic lineages are statistically highly supported and all are morphologically diagnosable, suggesting that they represent distinct species. The distribution areas of several clades overlap, the cases of direct co-occurrence show no sign of hybridisation.
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Affiliation(s)
- Jörg Bohlen
- Laboratory of Fish Genetics, Institute of Animal Physiology and Genetics, Academy of Science, Liběchov, Czech Republic.
| | - Tomáš Dvořák
- Laboratory of Fish Genetics, Institute of Animal Physiology and Genetics, Academy of Science, Liběchov, Czech Republic; Department of Zoology, Faculty of Science, Charles University, Prague, Czech Republic
| | - Vlastimil Šlechta
- Laboratory of Fish Genetics, Institute of Animal Physiology and Genetics, Academy of Science, Liběchov, Czech Republic
| | - Vendula Šlechtová
- Laboratory of Fish Genetics, Institute of Animal Physiology and Genetics, Academy of Science, Liběchov, Czech Republic
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Bohlen J, Dvořák T, Šlechta V, Šlechtová V. Sea water shaping the freshwater biota: Hidden diversity and biogeographic history in the Paracanthocobitis zonalternans species complex (Teleostei: Nemacheilidae) in western Southeast Asia. Mol Phylogenet Evol 2020; 148:106806. [PMID: 32247884 DOI: 10.1016/j.ympev.2020.106806] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 03/13/2020] [Accepted: 03/18/2020] [Indexed: 02/03/2023]
Abstract
Western Southeast Asia is hosting one of the world's most diverse faunas, and one of the reasons for this huge diversity is the complex geologic past of the area, increasing the frequency of isolation and expansion events over evolutionary time scale. As an example case, the present study reveals the phylogeny and biogeographic history of the Paracanthocobitis zonalternans species complex, small benthic freshwater fish (Teleostei: Nemacheilidae) that are commonly occurring across western Southeast Asia (from central Myanmar through western and southern Thailand to northern Malaysia). The group is particularly interesting since it occurs in three biogeographic subdivisions (Indian, Indochinese, Malay/Sundaic) and across all of the major biogeographic barriers in the region. Basing on mitochondrial and nuclear sequence data of 93 samples from about 50 localities we found six major clades, most with exclusive geographic distribution. Divergence time dated the origin of the P. zonalternans species complex to early Miocene (17.8 MYA) and a biogeographic analysis identified the Tenasserim region as the ancestral region. From this region the fish spread during periods of lowered global sea level, particularly during late Miocene (11-8 MYA) northwards into all Burmese river basins and southwards into south Thailand and northern Malaysia. Besides lowered global sea level periods, local stream capture events allowed the complex to expand, e.g. into the Mae Klong basin. Strong fragmentations during periods with elevated sea level during the Pliocene and Pleistocene repeatedly restricted populations to refuges and shaped the observed major lineages. Our results document a higher diversity within the P. zonalternans species complex than formerly believed and a strong impact of global sea level on its evolutionary history. Low sea levels promoted dispersal and elevated sea levels fragmentation events. A very similar impact of sea level changes can be expected in all stationary fauna (freshwater and terrestrial) in all non-mountainous coastal regions worldwide.
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Affiliation(s)
- Jörg Bohlen
- Laboratory of Fish Genetics, Institute of Animal Physiology and Genetics, Rumburská 89, 277 21 Liběchov, Czech Republic.
| | - Tomáš Dvořák
- Laboratory of Fish Genetics, Institute of Animal Physiology and Genetics, Rumburská 89, 277 21 Liběchov, Czech Republic; Department of Zoology, Charles University, Viničná 7, 128 00 Prague, Czech Republic
| | - Vlastimil Šlechta
- Laboratory of Fish Genetics, Institute of Animal Physiology and Genetics, Rumburská 89, 277 21 Liběchov, Czech Republic
| | - Vendula Šlechtová
- Laboratory of Fish Genetics, Institute of Animal Physiology and Genetics, Rumburská 89, 277 21 Liběchov, Czech Republic
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12
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Chen W, Li C, Chen F, Li Y, Yang J, Li J, Li X. Phylogeographic analyses of a migratory freshwater fish (Megalobrama terminalis) reveal a shallow genetic structure and pronounced effects of sea-level changes. Gene 2020; 737:144478. [PMID: 32061762 DOI: 10.1016/j.gene.2020.144478] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 01/30/2020] [Accepted: 02/11/2020] [Indexed: 10/25/2022]
Abstract
Different types of fish taxa generally seem to present diverse phylogeographic structures and show different responses to environmental changes. In southern China, however, a large number of phylogeographic studies have been employed for small and/or benthic fish species, while phylogeographic patterns of larger and migratory species are not well understood. In this study, we chose Megalobrama terminalis, an endemic cyprinid from Southern China with a median size and relatively high migratory potential as a candidate to explore the phylogeographic structure and to seek the relevant driving forces using a multilocus approach (two mitochondrial markers and three nuclear markers). Our results show that M. terminalis exhibits three mtDNA genetic groups, each presenting genetic structure to the local geography, but the differentiation level was much weaker than that of small and/or benthic fish species reported in earlier studies. Nuclear loci did not observe pronounced genetic group subdivision, but did examine noteworthy genetic differentiation between the Hainan Island population and the mainland populations. Divergence time estimation and demographic analyses suggest that sea-level changes associated with the Late Pleistocene glacial cycles have exerted pronounced effects on the divergence of the three groups and the expansion of M. terminalis populations. Above all, our study provides important knowledge that can be used to improve monitoring programs and develop a conservation strategy for this endemic organism.
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Affiliation(s)
- Weitao Chen
- Pearl River Fisheries Research Institute, Chinese Academy of Fishery Science, Guangzhou, China
| | - Ce Li
- Pearl River Fisheries Research Institute, Chinese Academy of Fishery Science, Guangzhou, China
| | - Fangcan Chen
- Guangzhou Qianjiang Water Ecological Technology Co. LTD, China
| | - Yuefei Li
- Pearl River Fisheries Research Institute, Chinese Academy of Fishery Science, Guangzhou, China
| | - Jiping Yang
- Pearl River Fisheries Research Institute, Chinese Academy of Fishery Science, Guangzhou, China
| | - Jie Li
- Pearl River Fisheries Research Institute, Chinese Academy of Fishery Science, Guangzhou, China
| | - Xinhui Li
- Pearl River Fisheries Research Institute, Chinese Academy of Fishery Science, Guangzhou, China.
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13
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Zheng L, Chen X, Yang J. Molecular phylogeny and systematic revision of
Bangana
sensu lato (Teleostei, Cyprinidae). J ZOOL SYST EVOL RES 2019. [DOI: 10.1111/jzs.12294] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Lan‐Ping Zheng
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology Chinese Academy of Sciences Kunming China
| | - Xiao‐Yong Chen
- Southeast Asia Biodiversity Research Institute Chinese Academy of Sciences Nay Pyi Taw Myanmar
- Kunming Institute of Zoology Chinese Academy of Sciences Kunming China
| | - Jun‐Xing Yang
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology Chinese Academy of Sciences Kunming China
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14
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Campbell MA, Chanet B, Chen J, Lee M, Chen W. Origins and relationships of the Pleuronectoidei: Molecular and morphological analysis of living and fossil taxa. ZOOL SCR 2019. [DOI: 10.1111/zsc.12372] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
| | - Bruno Chanet
- Département Origines et Évolution Muséum National d'Histoire Naturelle Paris France
| | - Jhen‐Nien Chen
- Institute of Oceanography National Taiwan University Taipei Taiwan
| | - Mao‐Ying Lee
- Institute of Oceanography National Taiwan University Taipei Taiwan
| | - Wei‐Jen Chen
- Institute of Oceanography National Taiwan University Taipei Taiwan
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15
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Chang CH, Yan HY. Plasticity of opsin gene expression in the adult red shiner (Cyprinella lutrensis) in response to turbid habitats. PLoS One 2019; 14:e0215376. [PMID: 30978235 PMCID: PMC6461250 DOI: 10.1371/journal.pone.0215376] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Accepted: 04/01/2019] [Indexed: 11/30/2022] Open
Abstract
Vision is very important to fish as it is required for foraging food, fighting competitors, fleeing from predators, and finding potential mates. Vertebrates express opsin genes in photoreceptor cells to receive visual signals, and the variety of light levels in aquatic habits has driven fish to evolve multiple opsin genes with expression profiles that are highly plastic. In this study, red shiners (Cyprinella lutrensis) were exposed to four water turbidity treatments and their opsin genes were cloned to elucidate how opsin gene expression could be modulated by ambient light conditions. Opsin gene cloning revealed that these fish have single RH1, SWS1, SWS2 and LWS genes and two RH2 genes. Phylogenetic analysis also indicated that these two RH2 opsin genes–RH2A and RH2B –are in-paralogous. Using quantitative PCR, we found evidence that opsin expression is plastic in adults. Elevated proportional expression of LWS in the cone under ambient light and turbid treatment indicated that the red shiner’s visual spectrum displays a red shift in response to increased turbidity.
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Affiliation(s)
- Chia-Hao Chang
- Department of Life Science, Tunghai University, Taichung City, Taiwan
- Center for Ecology and Environment, Tunghai University, Taichung City, Taiwan
| | - Hong Young Yan
- National Museum of Marine Biology & Aquarium, Checheng, Pingtung, Taiwan
- * E-mail:
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16
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Phylogenetic relationships of Cypriniformes and plasticity of pharyngeal teeth in the adaptive radiation of cyprinids. SCIENCE CHINA-LIFE SCIENCES 2019; 62:553-565. [DOI: 10.1007/s11427-019-9480-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2018] [Accepted: 11/01/2018] [Indexed: 12/23/2022]
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17
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Keskar A, Raghavan R, Paingankar MS, Kumkar P, Katwate U, Jadhav S, Padhye A, Dahanukar N. Molecular phylogeny unveils hidden diversity of hillstream loaches (Cypriniformes: Cobitoidea) in the northern Western Ghats of India. Meta Gene 2018. [DOI: 10.1016/j.mgene.2018.07.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
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18
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Bagley JC, Mayden RL, Harris PM. Phylogeny and divergence times of suckers (Cypriniformes: Catostomidae) inferred from Bayesian total-evidence analyses of molecules, morphology, and fossils. PeerJ 2018; 6:e5168. [PMID: 30013838 PMCID: PMC6035723 DOI: 10.7717/peerj.5168] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Accepted: 06/15/2018] [Indexed: 11/25/2022] Open
Abstract
Catostomidae ("suckers") is a diverse (76 species) and broadly distributed family of Holarctic freshwater fishes with a rich fossil record and a considerable number (∼35%) of threatened and imperiled species. We integrate DNA sequences (three mitochondrial genes, three nuclear genes), morphological data, and fossil information to infer sucker phylogenetic relationships and divergence times using Bayesian "total-evidence" methods, and then test hypotheses about the temporal diversification of the group. Our analyses resolved many nodes within subfamilies and clarified Catostominae relationships to be of the form ((Thoburniini, Moxostomatini), (Erimyzonini, Catostomini)). Patterns of subfamily relationships were incongruent, but mainly supported two placements of the Myxocyprininae; distinguishing these using Bayes factors lent strongest support to a model with Myxocyprininae sister to all remaining sucker lineages. We improved our Bayesian total-evidence dating analysis by excluding problematic characters, using a clock-partitioning scheme identified by Bayesian model selection, and employing a fossilized birth-death tree prior accommodating morphological data and fossils. The resulting chronogram showed that suckers evolved since the Late Cretaceous-Eocene, and that the Catostomini and Moxostomatini clades have accumulated species diversity since the early to mid-Miocene. These results agree with the fossil record and confirm previous hypotheses about dates for the origins of Catostomide and catostomine diversification, but reject previous molecular hypotheses about the timing of divergence of ictiobines, and between Asian-North American lineages. Overall, our findings from a synthesis of multiple data types enhance understanding of the phylogenetic relationships, taxonomic classification, and temporal diversification of suckers, while also highlighting practical methods for improving Bayesian divergence dating models by coupling phylogenetic informativeness profiling with relaxed-clock partitioning.
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Affiliation(s)
- Justin C. Bagley
- Department of Biology, Virginia Commonwealth University, Richmond, VA, USA
- Departamento de Zoologia, Universidade de Brasília, Brasília, Distrito Federal, Brazil
- Departamento de Zoologia e Botânica, IBiLCE, Universidade Estadual Paulista, São José do Rio Preto, São Paulo, Brazil
| | | | - Phillip M. Harris
- Department of Biological Sciences, The University of Alabama, Tuscaloosa, AL, USA
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19
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Schönhuth S, Vukić J, Šanda R, Yang L, Mayden RL. Phylogenetic relationships and classification of the Holarctic family Leuciscidae (Cypriniformes: Cyprinoidei). Mol Phylogenet Evol 2018; 127:781-799. [PMID: 29913311 DOI: 10.1016/j.ympev.2018.06.026] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2017] [Revised: 06/12/2018] [Accepted: 06/15/2018] [Indexed: 12/15/2022]
Abstract
The phylogenetic relationships and classification of the freshwater fish order Cypriniformes, like many other species-rich groups of vertebrates, has evolved over time with some consistency and inconsistencies of relationships across various studies. Within Cypriniformes, the Holarctic family Leuciscidae is one of the most widely distributed and highly diverse monophyletic groups of cyprinoids. Despite several studies conducted on this group, alternative hypotheses exist as to the composition and relationships within Leuciscidae. Here we assess the extent, composition, phylogenetic relationships, and taxonomy of this highly diverse group of fishes, using multiple mitochondrial and nuclear loci and a comprehensive and dense taxonomic sampling. Analyses of 418 specimens (410 species) resolve a well-supported Leuciscidae including 362 specimens (358 taxa) in six well-supported subfamilies/major clades: Pseudaspininae/Far East Asian clade (FEA); Laviniinae/North American Western clade (WC); Plagopterinae/North American Creek Chub-Plagopterin clade (CC-P); Leuciscinae/Eurasian Old World clade (OW) (minus Phoxinus) plus North American Notemigonus; Phoxininae/Eurasian Phoxinus clade (PHX); and Pogonichthyinae/North American clade (NA) including all remaining leuciscids. Within Leuciscidae, neither the traditional phoxinins (Phoxinus, FEA, Nearctic genera) nor all Nearctic genera (minus Notemigonus) are resolved as monophyletic; whereas the WC and CC-P form two independent lineages from remaining North American cyprinoids. A close relationship exists between Eurasian Phoxinus, NA, and OW clades, while FEA is the sister group to all remaining Leuciscidae. Major lineages resolved within these six subfamilies are mostly congruent with some previous studies. Our results suggests a complex evolutionary history of this diverse and widespread group of fishes.
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Affiliation(s)
- Susana Schönhuth
- Biology Department, Saint Louis University, 3507 Laclede Avenue, St. Louis, MO 63103, USA.
| | - Jasna Vukić
- Department of Ecology, Faculty of Science, Charles University, Vinicna 7, 128 44 Prague, Czech Republic
| | - Radek Šanda
- Department of Zoology, National Museum, Vaclavske namesti 68, 115 79 Prague, Czech Republic
| | - Lei Yang
- Florida Museum of Natural History, University of Florida, 1659 Museum Rd., Gainesville, FL 32611, USA
| | - Richard L Mayden
- Biology Department, Saint Louis University, 3507 Laclede Avenue, St. Louis, MO 63103, USA
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20
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Sember A, Bohlen J, Šlechtová V, Altmanová M, Pelikánová Š, Ráb P. Dynamics of tandemly repeated DNA sequences during evolution of diploid and tetraploid botiid loaches (Teleostei: Cobitoidea: Botiidae). PLoS One 2018; 13:e0195054. [PMID: 29590207 PMCID: PMC5874072 DOI: 10.1371/journal.pone.0195054] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Accepted: 03/15/2018] [Indexed: 12/16/2022] Open
Abstract
Polyploidization has played an important role in the evolution of vertebrates, particularly at the base of Teleostei-an enormously successful ray-finned fish group with additional genome doublings on lower taxonomic levels. The investigation of post-polyploid genome dynamics might provide important clues about the evolution and ecology of respective species and can help to decipher the role of polyploidy per se on speciation. Few studies have attempted to investigate the dynamics of repetitive DNA sequences in the post-polyploid genome using molecular cytogenetic tools in fishes, though recent efforts demonstrated their usefulness. The demonstrably monophyletic freshwater loach family Botiidae, branching to evolutionary diploid and tetraploid lineages separated >25 Mya, offers a suited model group for comparing the long-term repetitive DNA evolution. For this, we integrated phylogenetic analyses with cytogenetical survey involving Giemsa- and Chromomycin A3 (CMA3)/DAPI stainings and fluorescence in situ hybridization with 5S/45S rDNA, U2 snDNA and telomeric probes in representative sample of 12 botiid species. The karyotypes of all diploids were composed of 2n = 50 chromosomes, while majority of tetraploids had 2n = 4x = 100, with only subtle interspecific karyotype differences. The exceptional karyotype of Botia dario (2n = 4x = 96) suggested centric fusions behind the 2n reduction. Variable patterns of FISH signals revealed cases of intraspecific polymorphisms, rDNA amplification, variable degree of correspondence with CMA3+ sites and almost no phylogenetic signal. In tetraploids, either additivity or loci gain/loss was recorded. Despite absence of classical interstitial telomeric sites, large blocks of interspersed rDNA/telomeric regions were found in diploids only. We uncovered different molecular drives of studied repetitive DNA classes within botiid genomes as well as the advanced stage of the re-diploidization process in tetraploids. Our results may contribute to link genomic approach with molecular cytogenetic analyses in addressing the origin and mechanism of this polyploidization event.
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Affiliation(s)
- Alexandr Sember
- Laboratory of Fish Genetics, Institute of Animal Physiology and Genetics, Czech Academy of Sciences, Rumburská 89, Liběchov, Czech Republic
| | - Jörg Bohlen
- Laboratory of Fish Genetics, Institute of Animal Physiology and Genetics, Czech Academy of Sciences, Rumburská 89, Liběchov, Czech Republic
| | - Vendula Šlechtová
- Laboratory of Fish Genetics, Institute of Animal Physiology and Genetics, Czech Academy of Sciences, Rumburská 89, Liběchov, Czech Republic
| | - Marie Altmanová
- Laboratory of Fish Genetics, Institute of Animal Physiology and Genetics, Czech Academy of Sciences, Rumburská 89, Liběchov, Czech Republic
- Department of Ecology, Faculty of Science, Charles University, Viničná 7, Prague 2, Czech Republic
| | - Šárka Pelikánová
- Laboratory of Fish Genetics, Institute of Animal Physiology and Genetics, Czech Academy of Sciences, Rumburská 89, Liběchov, Czech Republic
| | - Petr Ráb
- Laboratory of Fish Genetics, Institute of Animal Physiology and Genetics, Czech Academy of Sciences, Rumburská 89, Liběchov, Czech Republic
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21
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Silva TFD, Schneider H, Sampaio I, Angulo A, Brito MFG, Santos ACDA, de Andrade Santos J, Carvalho-Filho A, Santos S. Phylogeny of the subfamily Stelliferinae suggests speciation in Ophioscion Gill, 1863 (Sciaenidae: Perciformes) in the western South Atlantic. Mol Phylogenet Evol 2018; 125:51-61. [PMID: 29567506 DOI: 10.1016/j.ympev.2018.03.025] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2017] [Revised: 02/19/2018] [Accepted: 03/17/2018] [Indexed: 11/17/2022]
Abstract
Phylogenies based on morphological and molecular data confirm the monophyly of the subfamily Stelliferinae; however, there is no consensus on the intergeneric and interspecific relationships in the group. Previous studies suggested the non-monophyly of Ophioscion and Stellifer, and possible cryptic species in Ophioscion punctatissimus. Therefore, we used mitochondrial (16S rDNA and COI) and nuclear (Rhodopsin, EGR1, and RAG1) regions to examine phylogenetic relationships among species of this subfamily. Our results confirmed the monophyly of Stelliferinae and supports the close relationship among Bardiella, Corvula and Odontoscion, which form a sister group to Stellifer and Ophioscion. Notwithstanding, all the results support the non-monophyly of Stellifer and Ophioscion and we suggest that a taxonomic revision should consider Ophioscion as a junior synonym of Stellifer. Moreover, O. punctatissimus was grouped into two clades, with the O. punctatissimus lineage I (LI) being closer to O. scierus from the eastern Pacific than to the O. punctatissimus lineage II (LII). The most recent common ancestor (TMRCA) for the O. scierus and O. punctatissimus LI and O. punctatissimus LII clade dates from 7.2 (HPD: 4.3-10.5) Ma, whereas TMRCA for the O. scierus and O. punctatissimus LI clade dates from 5.3 (HPD: 2.4-8.6) Ma, indicating that speciation processes may be related to the rise of the Isthmus of Panama. Phylogeographic analyses corroborate the hypothesis of speciation in O. punctatissimus. These results suggest that lineages of O. punctatissimus originated from distinct ancestors and, by morphological similarity, were considered the same taxon. A taxonomic revision should be performed to validate the species status of such lineages.
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Affiliation(s)
- Tárcia Fernanda da Silva
- Laboratório de Genética e Biologia Molecular, Universidade Federal do Pará, Instituto de Estudos Costeiros, Alameda Leandro Ribeiro s/n, 68600-000 Bragança, Pará, Brazil.
| | - Horacio Schneider
- Laboratório de Genética e Biologia Molecular, Universidade Federal do Pará, Instituto de Estudos Costeiros, Alameda Leandro Ribeiro s/n, 68600-000 Bragança, Pará, Brazil.
| | - Iracilda Sampaio
- Laboratório de Genética e Biologia Molecular, Universidade Federal do Pará, Instituto de Estudos Costeiros, Alameda Leandro Ribeiro s/n, 68600-000 Bragança, Pará, Brazil.
| | - Arturo Angulo
- Museo de Zoología and Centro de Investigación en Ciencias del Mar y Limnologia (CIMAR), Universidad de Costa Rica, 11501-2060, San Pedro de Montes de Oca, San José, Costa Rica.
| | - Marcelo Fulgêncio Guedes Brito
- Programa de Pós-Graduação em Ecologia e Conservação, Universidade Federal de Sergipe (UFS), Avenida Marechal Rondon, s/n, 49100-000 São Cristóvão, Sergipe, Brazil.
| | - Alexandre Clistenes de Alcântara Santos
- Laboratório de Ictiologia, Departamento de Ciências Biológicas, Universidade Estadual de Feira de Santana (UEFS), Avenida Transnordestina, s/n, 44036-900 Feira de Santana, Bahia, Brazil.
| | - Jonas de Andrade Santos
- Laboratório de Ictiologia, Departamento de Ciências Biológicas, Universidade Estadual de Feira de Santana (UEFS), Avenida Transnordestina, s/n, 44036-900 Feira de Santana, Bahia, Brazil.
| | | | - Simoni Santos
- Laboratório de Genética e Biologia Molecular, Universidade Federal do Pará, Instituto de Estudos Costeiros, Alameda Leandro Ribeiro s/n, 68600-000 Bragança, Pará, Brazil.
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22
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Zolotova AO, Kartavtsev YP. Analysis of sequence divergence in redfin (Cypriniformes, Cyprinidae, Tribolodon) based on mtDNA and nDNA markers with inferences in systematics and genetics of speciation. Mitochondrial DNA A DNA Mapp Seq Anal 2017; 29:975-992. [PMID: 29161943 DOI: 10.1080/24701394.2017.1404040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
To clarify relationship of species of the genus Tribolodon in the Russian part of their distribution ranges, two mitochondrial markers (Co-1 and Cyt-b), a nuclear marker (Rho), and a gene marker of rDNA internal transcribed spacer (ITS-1,2) were used. Depending on the marker, different numbers of species groups were detected by the ABGD method, but in combination with the analysis of phylograms, these data generally support the known species clusters and regional intraspecies groups. A complex analysis of sequences from three redfin species within the area of the study, based on four marker genes and using the methods of molecular phylogenetics, ordination of genetic distances, recombinant analysis, and population genetic approaches, has revealed clusters of three commonly recognized species, regional intraspecific groups or individuals of local populations, and few hybrid individuals. DNA barcoding technique proved to be efficient with the use of two mtDNA markers: Co-1 and Cyt-b. It has been found that analysis of insertions and substitutions within the ITS-1,2 gene marker is also suitable for identification of Tribolodon species. Results of the studies of local groups do not confirm a sufficient level of differences for defining any new taxa of a species rank in the genus Tribolodon.
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Affiliation(s)
- Anna O Zolotova
- a National Scientific Center of Marine Biology, FEB RAS , Vladivostok , Russia.,b Far Eastern Federal University , Vladivostok , Russia
| | - Yuri Ph Kartavtsev
- a National Scientific Center of Marine Biology, FEB RAS , Vladivostok , Russia.,b Far Eastern Federal University , Vladivostok , Russia
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23
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Chen W, Zhong Z, Dai W, Fan Q, He S. Phylogeographic structure, cryptic speciation and demographic history of the sharpbelly (Hemiculter leucisculus), a freshwater habitat generalist from southern China. BMC Evol Biol 2017; 17:216. [PMID: 28899345 PMCID: PMC5596851 DOI: 10.1186/s12862-017-1058-0] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Accepted: 08/30/2017] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Species with broad distributions frequently divide into multiple genetic forms and may therefore be viewed as "cryptic species". Here, we used the mitochondrial cytochrome b (Cytb) and 12 nuclear DNA loci to investigate phylogeographic structures of the sharpbelly (Hemiculter leucisculus) in rivers in southern China and explored how the geological and climatic factors have shaped the genetic diversity and evolutionary history of this species. RESULTS Our mitochondrial phylogenetic analysis identified three major lineages (lineages A, B, and C). Lineages B and C showed a relatively narrower geographic distribution, whereas lineage A was widely distributed in numerous drainages. Divergence dates suggested that H. leucisculus populations diverged between 1.61-2.38 Ma. Bayesian species delimitation analysis using 12 nuclear DNA loci indicated the three lineages probably represented three valid taxa. Isolation-with-migration (IM) analysis found substantial gene flow has occurred among the three lineages. Demographic analyses showed that lineages B and C have experienced rapid demographic expansion at 0.03 Ma and 0.08 Ma, respectively. CONCLUSIONS Hemiculter leucisculus populations in drainages in southern China comprise three mtDNA lineages, and each of which may represent a separate species. Intense uplift of the Qinghai-Tibetan Plateau, evolution of Asian monsoons, changes in paleo-drainages, and poor dispersal ability may have driven the divergence of the three putative species. However, gene flow occurs among the three lineages. Climatic fluctuations have a prominent impact on the populations from the lineages B and C, but exerted little influence on the lineage A.
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Affiliation(s)
- Weitao Chen
- The Key Laboratory of Aquatic Biodiversity and Conservation of Chinese Academy of Sciences, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei, 430072, China.,University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
| | - Zaixuan Zhong
- The Key Laboratory of Aquatic Biodiversity and Conservation of Chinese Academy of Sciences, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei, 430072, China.,University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
| | - Wei Dai
- The Key Laboratory of Aquatic Biodiversity and Conservation of Chinese Academy of Sciences, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei, 430072, China.,University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
| | - Qi Fan
- The Key Laboratory of Aquatic Biodiversity and Conservation of Chinese Academy of Sciences, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei, 430072, China
| | - Shunping He
- The Key Laboratory of Aquatic Biodiversity and Conservation of Chinese Academy of Sciences, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei, 430072, China.
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Genetic legacy of tertiary climatic change: a case study of two freshwater loaches, Schistura fasciolata and Pseudogastromyzon myersi, in Hong Kong. Heredity (Edinb) 2017; 119:360-370. [PMID: 28792491 DOI: 10.1038/hdy.2017.47] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2016] [Revised: 06/09/2017] [Accepted: 06/12/2017] [Indexed: 11/08/2022] Open
Abstract
The high biodiversity and strong population structure of freshwater fauna has often been attributed to historical geological and climatic alterations. The impact of these historical changes on obligate freshwater species on a small geographical scale has not been well understood due to the lack of fine-scale comparative phylogeographic studies. Strong population structure has been reported in a goby and a caridean shrimp in Hong Kong, a small but highly developed city in South China, but the common drivers of population differentiation in freshwater fauna in this region remain unclear. This study examined the fine-scale phylogeographic patterns of two freshwater loaches, Schistura fasciolata and Pseudogastromyzon myersi in Hong Kong, using sequence data of mitochondrial control region and two nuclear markers (interphotoreceptor retinoid binding protein gene 2 and ribosomal protein S13 gene). Results show that they exhibit pronounced population structure as supported by high and significant ΦST. Phylogenetic analyses based on the control region reveal six and three distinct lineages in S. fasciolata and P. myersi, respectively. Phylogeographic structure of both species generally follows the paleodrainage pattern, though P. myersi shows a shallower structure on the Mainland, perhaps due to their higher mobility. Most of these lineages diverged during the Pliocene and Late Pleistocene, a period with marked sea-level fluctuations. In a broader context, this suggests that sea-level fluctuation played an important role in shaping even the fine-scale population structure of freshwater fish in South China, implying that the genetic diversity of this fauna may be higher than expected.
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Kwan YS, Kim D, Ko MH, Lee WO, Won YJ. Multi-locus phylogenetic analyses support the monophyly and the Miocene diversification of Iksookimia (Teleostei: Cypriniformes: Cobitidae). SYST BIODIVERS 2017. [DOI: 10.1080/14772000.2017.1340912] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Ye-Seul Kwan
- Graduate Degree Program, Division of EcoScience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, 03760, South Korea
- Present Address: Nakdonggang National Institute of Biological Resources, Sangju-si, Gyeongsangbuk-do, 37242, South Korea
| | - Daemin Kim
- Division of EcoScience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, 03760, South Korea
- Present Address: Graduate Degree Program, Department of Ecology and Evolutionary Biology, Yale University, P.O.Box 208106, New Haven, Connecticut, 06520-8106, USA
| | - Myeong-Hun Ko
- Division of EcoScience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, 03760, South Korea
| | - Wan-Ok Lee
- Inland Fisheries Research Institute, National Fisheries Research and Development Institute, 65 Gangbyeon-ro, Gapyeong-gun, Gyeonggi-do, 12453, South Korea
| | - Yong-Jin Won
- Division of EcoScience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, 03760, South Korea
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Hung KW, Russell BC, Chen WJ. Molecular systematics of threadfin breams and relatives (Teleostei, Nemipteridae). ZOOL SCR 2017. [DOI: 10.1111/zsc.12237] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Kuo-Wei Hung
- Institute of Oceanography; National Taiwan University; No. 1, Sec. 4, Roosevelt Road Taipei 10617 Taiwan
| | - Barry C. Russell
- Museum & Art Gallery of the Northern Territory; PO Box 4646 Darwin NT 0801 Australia
| | - Wei-Jen Chen
- Institute of Oceanography; National Taiwan University; No. 1, Sec. 4, Roosevelt Road Taipei 10617 Taiwan
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Hirt MV, Arratia G, Chen WJ, Mayden RL, Tang KL, Wood RM, Simons AM. Effects of gene choice, base composition and rate heterogeneity on inference and estimates of divergence times in cypriniform fishes. Biol J Linn Soc Lond 2017. [DOI: 10.1093/biolinnean/blw045] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Affiliation(s)
- M. Vincent Hirt
- University of Minnesota, Ecology, Evolution, and Behavior Graduate Program, St. Paul, MN 55108, USA
- University of Minnesota, Bell Museum of Natural History, Minneapolis, MN 55455, USA
| | - Gloria Arratia
- Biodiversity Research Center, University of Kansas, Lawrence, KS 66045, USA
| | - Wei-Jen Chen
- National Taiwan University, Institute of Oceanography, Taipei 10617, Taiwan
| | - Richard L. Mayden
- Department of Biology, Saint Louis University, St. Louis, MO 63103, USA
| | - Kevin L. Tang
- Department of Biology, University of Michigan-Flint, Flint, MI 48502, USA
| | - Robert M. Wood
- Department of Biology, Saint Louis University, St. Louis, MO 63103, USA
| | - Andrew M. Simons
- University of Minnesota, Bell Museum of Natural History, Minneapolis, MN 55455, USA
- Department of Fisheries, Wildlife, and Conservation Biology, University of Minnesota, St. Paul, MN 55108, USA
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The Gastric Phenotype in the Cypriniform Loaches: A Case of Reinvention? PLoS One 2016; 11:e0163696. [PMID: 27783698 PMCID: PMC5082673 DOI: 10.1371/journal.pone.0163696] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2016] [Accepted: 09/13/2016] [Indexed: 12/15/2022] Open
Abstract
The stomach, which is characterized by acid peptic digestion in vertebrates, has been lost secondarily multiple times in the evolution of the teleost fishes. The Cypriniformes are largely seen as an agastric order; however, within the superfamily Cobitoidea, the closely related sister groups Nemacheilidae and Balitoridae have been identified as gastric families. The presence of these most recently diverged gastric families in an otherwise agastric clade indicates that either multiple (>2–3) loss events occurred with the Cyprinidae, Catostomidae and Cobitidae, or that gastric reinvention arose in a recent ancestor of the Nemacheilidae/Balitoridae sister clade. In the present study, the foregut regions of Cobitidae, Nemacheilidae/Balitoridae and the ancestral Botiidae family members were examined for the presence of gastric glands and gastric proton pump (Atp4a) α subunit expression by histology and immunohistochemistry respectively. Atp4a gene expression was assessed by reverse transcriptase-polymerase chain reaction (RT-PCR). Gastric glands expressing apical H+/K+-ATPase α subunit and isolated partial sequences of atp4a, identified using degenerate primers showing clear orthology to other vertebrate atp4a sequences, were detected in representative species from Nemacheilidae/ Balitoridae and Botiidae, but not Cobitidae (Misgurnus anguillicaudatus). In summary, we provide evidence for an uninterrupted gastric evolutionary lineage in the Cobitoidea, making it highly improbable that the stomach was reinvented in the Nemacheilidae/Balitoridae clade consistent with Dollo’s principle. These results also indicate that the gastric trait may be present elsewhere in the Cobitoidea.
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Zheng LP, Chen XY, Yang JX. Molecular systematics of the Labeonini inhabiting the karst regions in southwest China (Teleostei, Cypriniformes). Zookeys 2016:133-48. [PMID: 27667927 PMCID: PMC5027668 DOI: 10.3897/zookeys.612.9085] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2016] [Accepted: 07/18/2016] [Indexed: 11/17/2022] Open
Abstract
The major phylogenetic pattern of the cyprinid tribe Labeonini has been revealed by previous molecular studies; however, the relationships within a clade that mainly inhabits the karst regions, which we refer to as the “karst group”, in southwest China remain unresolved due to the low taxon sampling. This group includes more than 50% of the genera and species of Labeonini in China. Moreover, more than 90% of the genera of this group are endemic to China. In addition, some new genera and species of Labeonini have been discovered from these karst regions, but their taxonomic validity and phylogenetic position have not been examined. In this contribution, partial sequences of four nuclear (exon 3 of recombination activating protein 1, rhodopsin, early growth response protein 2B gene and interphotoreceptor retinoid binding protein gene) and three mitochondrial genes (cytochrome b, cytochrome oxidase subunit I and 16S ribosomal RNA) from 36 ingroup taxa and 25 outgroup taxa were analyzed to provide a hypothesis of the phylogenetic relationships within the labeonins of the karst regions in China. We propose that the monophyly of Parasinilabeo, Ptychidio, Rectoris and Semilabeo are supported. A new genus, Prolixicheilus, is erected for Pseudogyrinocheiluslongisulcus. Cophecheilusbamen is the sister to Prolixicheiluslongisulcus. Ptychidio, Pseudocrossocheilus, Semilabeo, Rectoris and Stenorynchoacrum are closely related with high support values. Sinocrossocheilus, Pseudogyrinocheilus, Paraqianlabeo, Hongshuia, Discogobio and Discocheilus form a clade together with high support. Considering molecular results and morphological differences, Parasinilabeolongicorpus and Ptychidiomacrops might be the synonyms of Parasinilabeoassimilis and Ptychidiojordani respectively. Comprehensive taxonomic revisions of the two genera Parasinilabeo and Ptychidio may be necessary.
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Affiliation(s)
- Lan-Ping Zheng
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, the Chinese Academy of Sciences, 32 Jiaochang Donglu, Kunming 650223, Yunnan, China
| | - Xiao-Yong Chen
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, the Chinese Academy of Sciences, 32 Jiaochang Donglu, Kunming 650223, Yunnan, China; Southeast Asia Biodiversity Research Institute, the Chinese Academy of Sciences, (CAS-SEABRI), Nay Pyi Taw 05282, Yezin, Myanmar
| | - Jun-Xing Yang
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, the Chinese Academy of Sciences, 32 Jiaochang Donglu, Kunming 650223, Yunnan, China
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Diversification of Sisorid catfishes (Teleostei: Siluriformes) in relation to the orogeny of the Himalayan Plateau. Sci Bull (Beijing) 2016. [DOI: 10.1007/s11434-016-1104-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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31
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Guimarães-Costa A, Vallinoto M, Giarrizzo T, Pezold F, Schneider H, Sampaio I. Molecular evidence of two new species of Eleotris (Gobiiformes: Eleotridae) in the western Atlantic. Mol Phylogenet Evol 2016; 98:52-6. [PMID: 26851798 DOI: 10.1016/j.ympev.2016.01.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2015] [Revised: 01/20/2016] [Accepted: 01/25/2016] [Indexed: 10/22/2022]
Abstract
Fishes of the genus Eleotris present highly conserved morphology, which may make their recognition difficult. Here, two cryptic Eleotris lineages from five locations along the coast of Brazil were identified using the COI gene and two nuclear fragments. High bootstrap and posteriori values supported those lineages, and the genetic distance of COI varied from 6% between the two lineages to 14.1% from other western Atlantic Eleotris species, such as E. pisonis, E. amblyopsis and E. perniger. The reciprocal monophyly for both types of markers, the divergences between those lineages and the other Eleotris species from the Brazilian coast may, in fact, represent two new cryptic species. The cryptic lineages and currently recognized species were collected in distinct environments, reinforcing the need for further sampling to understand the real distribution of each taxon.
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Affiliation(s)
- Aurycéia Guimarães-Costa
- Laboratório de Genética e Biologia Molecular, Instituto de Estudos Costeiros (IECOS), Universidade Federal do Pará, Campus de Bragança, Alameda Leandro Ribeiro, SN, Aldeia, Bragança, Pará, Brazil.
| | - Marcelo Vallinoto
- Laboratório de Evolução, Instituto de Estudos Costeiros (IECOS), Universidade Federal do Pará, Campus de Bragança, Alameda Leandro Ribeiro, SN, Aldeia, Bragança, Pará, Brazil; CIBIO-InBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, Campus Agrário de Vairão, Universidade do Porto, 4485-661 Vairão, Portugal.
| | - Tommaso Giarrizzo
- Laboratório de Biologia Pesqueira - Manejo de Recursos Aquáticos, Universidade Federal do Pará, Campus do Guamá, Av. Perimetral. 2651, Belém, Pará, Brazil.
| | - Frank Pezold
- Fish Systematics & Conservation Lab, Texas A&M University, 6300 Ocean Dr, Corpus Christi, TX, United States.
| | - Horacio Schneider
- Laboratório de Genética e Biologia Molecular, Instituto de Estudos Costeiros (IECOS), Universidade Federal do Pará, Campus de Bragança, Alameda Leandro Ribeiro, SN, Aldeia, Bragança, Pará, Brazil.
| | - Iracilda Sampaio
- Laboratório de Genética e Biologia Molecular, Instituto de Estudos Costeiros (IECOS), Universidade Federal do Pará, Campus de Bragança, Alameda Leandro Ribeiro, SN, Aldeia, Bragança, Pará, Brazil.
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Sember A, Bohlen J, Šlechtová V, Altmanová M, Symonová R, Ráb P. Karyotype differentiation in 19 species of river loach fishes (Nemacheilidae, Teleostei): extensive variability associated with rDNA and heterochromatin distribution and its phylogenetic and ecological interpretation. BMC Evol Biol 2015; 15:251. [PMID: 26573692 PMCID: PMC4647339 DOI: 10.1186/s12862-015-0532-9] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2015] [Accepted: 11/04/2015] [Indexed: 01/16/2023] Open
Abstract
BACKGROUND Loaches of the family Nemacheilidae are one of the most speciose elements of Palearctic freshwater ichthyofauna and have undergone rapid ecological adaptations and colonizations. Their cytotaxonomy is largely unexplored; with the impact of cytogenetical changes on this evolutionary diversification still unknown. An extensive cytogenetical survey was performed in 19 nemacheilid species using both conventional (Giemsa staining, C- banding, Ag- and Chromomycin A3/DAPI stainings) and molecular (fluorescence in situ hybridization with 5S rDNA, 45S rDNA, and telomeric (TTAGGG)n probes) methods. A phylogenetic tree of the analysed specimens was constructed based on one mitochondrial (cytochrome b) and two nuclear (RAG1, IRBP) genes. RESULTS Seventeen species showed karyotypes composed of 2n = 50 chromosomes but differentiated by fundamental chromosome number (NF = 68-90). Nemachilichthys ruppelli (2n = 38) and Schistura notostigma (2n = 44-48) displayed reduced 2n with an elevated number of large metacentric chromosomes. Only Schistura fasciolata showed morphologically differentiated sex chromosomes with a multiple system of the XY1Y2 type. Chromomycin A3 (CMA3)- fluorescence revealed interspecific heterogeneity in the distribution of GC-rich heterochromatin including its otherwise very rare association with 5S rDNA sites. The 45S rDNA sites were mostly located on a single chromosome pair contrasting markedly with a pattern of two (Barbatula barbatula, Nemacheilus binotatus, N. ruppelli) to 20 sites (Physoschistura sp.) of 5S rDNA. The cytogenetic changes did not follow the phylogenetic relationships between the samples. A high number of 5S rDNA sites was present in species with small effective population sizes. CONCLUSION Despite a prevailing conservatism of 2n, Nemacheilidae exhibited a remarkable cytogenetic variability on microstructural level. We suggest an important role for pericentric inversions, tandem and centric fusions in nemacheilid karyotype differentiation. Short repetitive sequences, genetic drift, founder effect, as well as the involvement of transposable elements in the dispersion of ribosomal DNA sites, might also have played a role in evolutionary processes such as reproductive isolation. These remarkable dynamics of their genomes qualify river loaches as a model for the study of the cytogenetic background of major evolutionary processes such as radiation, endemism and colonization of a wide range of habitats.
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Affiliation(s)
- Alexandr Sember
- Laboratory of Fish Genetics, Institute of Animal Physiology and Genetics, Czech Academy of Sciences, Rumburská 89, Liběchov, 277 21, Czech Republic.
- Department of Genetics and Microbiology, Faculty of Science, Charles University in Prague, Viničná 5, 128 44, Prague 2, Czech Republic.
| | - Jörg Bohlen
- Laboratory of Fish Genetics, Institute of Animal Physiology and Genetics, Czech Academy of Sciences, Rumburská 89, Liběchov, 277 21, Czech Republic.
| | - Vendula Šlechtová
- Laboratory of Fish Genetics, Institute of Animal Physiology and Genetics, Czech Academy of Sciences, Rumburská 89, Liběchov, 277 21, Czech Republic.
| | - Marie Altmanová
- Laboratory of Fish Genetics, Institute of Animal Physiology and Genetics, Czech Academy of Sciences, Rumburská 89, Liběchov, 277 21, Czech Republic.
- Department of Ecology, Faculty of Science, Charles University in Prague, Viničná 7, 128 44, Prague 2, Czech Republic.
| | - Radka Symonová
- Laboratory of Fish Genetics, Institute of Animal Physiology and Genetics, Czech Academy of Sciences, Rumburská 89, Liběchov, 277 21, Czech Republic.
- Research Institute for Limnology, University of Innsbruck, Mondseestraße 9, A-5310, Mondsee, Austria.
| | - Petr Ráb
- Laboratory of Fish Genetics, Institute of Animal Physiology and Genetics, Czech Academy of Sciences, Rumburská 89, Liběchov, 277 21, Czech Republic.
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Polyakova NE, Semina AV, Brykov VA. Analysis of mtDNA and nuclear markers points to homoploid hybrid origin of the new species of Far Eastern redfins of the genus Tribolodon (Pisces, Cyprinidae). RUSS J GENET+ 2015. [DOI: 10.1134/s1022795415110137] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Yamada A, Kodo Y, Murakami M, Kuroda M, Aoki T, Fujimoto T, Arai K. Hybrid origin of gynogenetic clones and the introgression of their mitochondrial genome into sexual diploids through meiotic hybridogenesis in the loach,Misgurnus anguillicuadatus. ACTA ACUST UNITED AC 2015; 323:593-606. [DOI: 10.1002/jez.1950] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2015] [Revised: 05/09/2015] [Accepted: 05/29/2015] [Indexed: 02/04/2023]
Affiliation(s)
- Aya Yamada
- Faculty and Graduate School of Fisheries Sciences; Hokkaido University; Hakodate Hokkaido Japan
| | - Yukihiro Kodo
- Faculty of Veterinary Medicine; Azabu University; Sagamihara Kanagawa Japan
| | - Masaru Murakami
- Faculty of Veterinary Medicine; Azabu University; Sagamihara Kanagawa Japan
| | - Masamichi Kuroda
- Faculty and Graduate School of Fisheries Sciences; Hokkaido University; Hakodate Hokkaido Japan
| | - Takao Aoki
- Faculty and Graduate School of Fisheries Sciences; Hokkaido University; Hakodate Hokkaido Japan
| | - Takafumi Fujimoto
- Faculty and Graduate School of Fisheries Sciences; Hokkaido University; Hakodate Hokkaido Japan
| | - Katsutoshi Arai
- Faculty and Graduate School of Fisheries Sciences; Hokkaido University; Hakodate Hokkaido Japan
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A multi-gene dataset reveals a tropical New World origin and Early Miocene diversification of croakers (Perciformes: Sciaenidae). Mol Phylogenet Evol 2015; 88:132-43. [PMID: 25848970 DOI: 10.1016/j.ympev.2015.03.025] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2015] [Revised: 03/26/2015] [Accepted: 03/28/2015] [Indexed: 11/20/2022]
Abstract
Widely distributed groups of living animals, such as the predominantly marine fish family Sciaenidae, have always attracted the attention of biogeographers to document the origins and patterns of diversification in time and space. In this study, the historical biogeography of the global Sciaenidae is reconstructed within a molecular phylogenetic framework to investigate their origin and to test the hypotheses explaining the present-day biogeographic patterns. Our data matrix comprises six mitochondrial and nuclear genes in 93 globally sampled sciaenid species from 52 genera. Within the inferred phylogenetic tree of the Sciaenidae, we identify 15 main and well-supported lineages; some of which have not been recognized previously. Reconstruction of habitat preferences shows repeated habitat transitions between marine and euryhaline environments. This implies that sciaenids can easily adapt to some variations in salinity, possibly as the consequence of their nearshore habitats and migratory life history. Conversely, complete marine/euryhaline to freshwater transitions occurred only three times, in South America, North America and South Asia. Ancestral range reconstruction analysis concomitant with fossil evidence indicates that sciaenids first originated and diversified in the tropical America during the Oligocene to Early Miocene before undergoing two range expansions, to Eastern Atlantic and to the Indo-West Pacific where a maximum species richness is observed. The uncommon biogeographic pattern identified is discussed in relation to current knowledge on origin of gradients of marine biodiversity toward the center of origin hypothesis in the Indo-West Pacific.
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Buser TJ, Andrés López J. Molecular phylogenetics of sculpins of the subfamily Oligocottinae (Cottidae). Mol Phylogenet Evol 2015; 86:64-74. [PMID: 25791911 DOI: 10.1016/j.ympev.2015.03.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2014] [Revised: 03/05/2015] [Accepted: 03/07/2015] [Indexed: 10/23/2022]
Abstract
The sculpin subfamily Oligocottinae includes 18-20 species of nearshore benthic fishes with a diverse array of reproductive strategies. As a first step toward understanding the evolution of that diversity, we conducted a phylogenetic study based on DNA sequences from eight genomic regions from 31 sculpin species aimed at testing monophyly and relationships of the Oligocottinae. Representatives from the perciform families Agonidae, Cottidae, Hemitripteridae, Hexagrammidae, Psychrolutidae, and Rhamphocottidae served as outgroups. The sequence data were analyzed in maximum likelihood and Bayesian phylogenetic inference frameworks. Results of these analyses show that a systematic revision of the group is warranted. The genus Clinocottus is a polyphyletic assemblage of three distinct lineages, which should be indicated by resurrection of the subgenera Blennicottus, Clinocottus, and Oxycottus; Leiocottus hirundo is more closely related to Clinocottus analis than C. analis is related to any other member of Clinocottus; the composition of the tribe Oligocottini should be revised to include only the genera Oligocottus, Clinocottus, and Orthonopias; and the genus Sigmistes should be removed from the subfamily Oligocottinae.
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Affiliation(s)
- Thaddaeus J Buser
- School of Fisheries and Ocean Sciences, 905 N. Koyukuk Drive, University of Alaska, Fairbanks, AK 99775, USA; Department of Fisheries and Wildlife, 104 Nash Hall, Oregon State University, Corvallis, OR 97331, USA.
| | - J Andrés López
- School of Fisheries and Ocean Sciences, 905 N. Koyukuk Drive, University of Alaska, Fairbanks, AK 99775, USA; University of Alaska Museum, 907 Yukon Drive, Fairbanks, AK 99775, USA.
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Egge JJD, Nicholson PW, Stark AW. Morphological and molecular variation in the least madtom Noturus hildebrandi (Siluriformes: Ictaluridae), a Mississippi Embayment endemic: evidence for a cryptic lineage in the Hatchie River. JOURNAL OF FISH BIOLOGY 2015; 86:493-526. [PMID: 25619312 DOI: 10.1111/jfb.12574] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2014] [Accepted: 09/30/2014] [Indexed: 06/04/2023]
Abstract
Sheared principal component analysis of 40 morphometric characteristics measured for 146 individuals and relative frequencies of pigmentation patterns scored for 980 individuals of the least madtom Noturus hildebrandi, a diminutive catfish endemic to eastern lowland drainages of the Mississippi Embayment region of North America, suggested a clinal pattern of morphological variation extending across the range from north to south. DNA sequence data representing 90 individuals from the mitochondrial gene cytochrome b (cytb) analysed using Bayesian phylogenetic methods recovered four major haplotype clades, suggestive of a high degree of isolation by drainage. Individual gene trees of cytb and four additional nuclear loci as well as trees based on concatenated datasets of these genes consistently recovered a cryptic lineage of individuals from the Hatchie River drainage that is morphologically indistinguishable from surrounding populations. Gene-tree analyses failed to recover a monophyletic N. hildebrandi with respect to Noturus baileyi. A coalescence-based species tree analysis, however, did recover N. hildebrandi monophyly with high support, suggesting that relationships reflected in individual gene trees and concatenated datasets are in part artefacts of incomplete lineage sorting or an ancient introgressive event. Results are consistent with the hypothesis of an ancient connection between the Hatchie and Tennessee River systems. Current subspecific designations are of limited utility as they reflect morphological variation and are not entirely consistent with phylogeny. Discrepancies between the pattern of variation observed in the morphological and molecular data may be explained by recent local adaptation to individual stream conditions that masks deeper evolutionary divergences.
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Affiliation(s)
- J J D Egge
- Department of Biology, Pacific Lutheran University, Tacoma, WA 98447, U.S.A
| | - P W Nicholson
- Department of Biology, Pacific Lutheran University, Tacoma, WA 98447, U.S.A
| | - A W Stark
- Department of Biology, Pacific Lutheran University, Tacoma, WA 98447, U.S.A
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Britz R, Conway KW, Rüber L. Miniatures, morphology and molecules: Paedocypris and its phylogenetic position (Teleostei, Cypriniformes). Zool J Linn Soc 2014. [DOI: 10.1111/zoj12184] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ralf Britz
- Department of Zoology, Natural History Museum, Cromwell Road, London, SW7 5BD, UK
| | - Kevin W. Conway
- Department of Wildlife and Fisheries Sciences and Biodiversity Research and Teaching Collections, Texas A&M University, College Station, TX, 77843, USA
| | - Lukas Rüber
- Naturhistorisches Museum der Burgergemeinde Bern, Bernastrasse 15, 3005, Bern, Switzerland
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Britz R, Conway KW, Rüber L. Miniatures, morphology and molecules:Paedocyprisand its phylogenetic position (Teleostei, Cypriniformes). Zool J Linn Soc 2014. [DOI: 10.1111/zoj.12184] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ralf Britz
- Department of Zoology; Natural History Museum; Cromwell Road London SW7 5BD UK
| | - Kevin W. Conway
- Department of Wildlife and Fisheries Sciences and Biodiversity Research and Teaching Collections; Texas A&M University; College Station TX 77843 USA
| | - Lukas Rüber
- Naturhistorisches Museum der Burgergemeinde Bern; Bernastrasse 15 3005 Bern Switzerland
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Chang CH, Li F, Shao KT, Lin YS, Morosawa T, Kim S, Koo H, Kim W, Lee JS, He S, Smith C, Reichard M, Miya M, Sado T, Uehara K, Lavoué S, Chen WJ, Mayden RL. Phylogenetic relationships of Acheilognathidae (Cypriniformes: Cyprinoidea) as revealed from evidence of both nuclear and mitochondrial gene sequence variation: evidence for necessary taxonomic revision in the family and the identification of cryptic species. Mol Phylogenet Evol 2014; 81:182-94. [PMID: 25238947 DOI: 10.1016/j.ympev.2014.08.026] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2014] [Revised: 08/28/2014] [Accepted: 08/29/2014] [Indexed: 10/24/2022]
Abstract
Bitterlings are relatively small cypriniform species and extremely interesting evolutionarily due to their unusual reproductive behaviors and their coevolutionary relationships with freshwater mussels. As a group, they have attracted a great deal of attention in biological studies. Understanding the origin and evolution of their mating system demands a well-corroborated hypothesis of their evolutionary relationships. In this study, we provide the most comprehensive phylogenetic reconstruction of species relationships of the group based on partitioned maximum likelihood and Bayesian methods using DNA sequence variation of nuclear and mitochondrial genes on 41 species, several subspecies and three undescribed species. Our findings support the monophyly of the Acheilognathidae. Two of the three currently recognized genera are not monophyletic and the family can be subdivided into six clades. These clades are further regarded as genera based on both their phylogenetic relationships and a reappraisal of morphological characters. We present a revised classification for the Acheilognathidae with five genera/lineages: Rhodeus, Acheilognathus (new constitution), Tanakia (new constitution), Paratanakia gen. nov., and Pseudorhodeus gen. nov. and an unnamed clade containing five species currently referred to as "Acheilognathus". Gene trees of several bitterling species indicate that the taxa are not monophyletic. This result highlights a potentially dramatic underestimation of species diversity in this family. Using our new phylogenetic framework, we discuss the evolution of the Acheilognathidae relative to classification, taxonomy and biogeography.
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Affiliation(s)
- Chia-Hao Chang
- Biodiversity Research Center, Academia Sinica, Taipei 11529, Taiwan; Department of Biological Science and Technology, National Chiao Tung University, Hsinchu 30068, Taiwan; Department of Biology, Saint Louis University, St. Louis, MO 63103, USA
| | - Fan Li
- Department of Oceanography, National Sun Yet-sen University, Kaohsiung 80424, Taiwan; Institute of Biodiversity Science, Ministry of Education Key Laboratory for Biodiversity Science and Ecological Engineering, Fudan University, Shanghai 200433, China
| | - Kwang-Tsao Shao
- Biodiversity Research Center, Academia Sinica, Taipei 11529, Taiwan
| | - Yeong-Shin Lin
- Department of Biological Science and Technology, National Chiao Tung University, Hsinchu 30068, Taiwan; Institute of Bioinformatics and Systems Biology, National Chiao Tung University, Hsinchu 30068, Taiwan
| | | | - Sungmin Kim
- School of Biological Sciences, Seoul National University, Seoul 151-747, Republic of Korea
| | - Hyeyoung Koo
- Department of Biological Science, Sangji University, Wonju 220-702, Republic of Korea
| | - Won Kim
- School of Biological Sciences, Seoul National University, Seoul 151-747, Republic of Korea
| | - Jae-Seong Lee
- Department of Biological Sciences, Sungkyunkwan University, Suwon 440-746, Republic of Korea
| | - Shunping He
- Key Laboratory of Aquatic Biodiversity and Conservation of Chinese Academy of Sciences, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
| | - Carl Smith
- School of Biology, University of St Andrews, St Andrews, Fife KY16 8LB, UK; Institute of Vertebrate Biology, Academy of Sciences of the Czech Republic, Květná 8, 603 65 Brno, Czech Republic
| | - Martin Reichard
- Institute of Vertebrate Biology, Academy of Sciences of the Czech Republic, Květná 8, 603 65 Brno, Czech Republic
| | - Masaki Miya
- Natural History Museum & Institute, Chiba 260-8682, Japan
| | - Tetsuya Sado
- Natural History Museum & Institute, Chiba 260-8682, Japan
| | - Kazuhiko Uehara
- Aquatic Life Conservation Research Center, Research Institute of Environment, Agriculture and Fisheries, Osaka 572-0088, Japan
| | - Sébastien Lavoué
- Institute of Oceanography, National Taiwan University, Taipei 10617, Taiwan
| | - Wei-Jen Chen
- Institute of Oceanography, National Taiwan University, Taipei 10617, Taiwan.
| | - Richard L Mayden
- Department of Biology, Saint Louis University, St. Louis, MO 63103, USA
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Campbell MA, Chen WJ, López JA. Molecular data do not provide unambiguous support for the monophyly of flatfishes (Pleuronectiformes): A reply to Betancur-R and Ortí. Mol Phylogenet Evol 2014; 75:149-53. [DOI: 10.1016/j.ympev.2014.02.011] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2014] [Revised: 02/11/2014] [Accepted: 02/16/2014] [Indexed: 11/24/2022]
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Radchenko OA, Chereshnev IA, Petrovskaya AV, Balanov AA, Turanov SV. Position of the genus Azygopterus (Stichaeidae, Perciformes) in the system of the suborder Zoarcoidei as inferred from sequence variation of mitochondrial and nuclear genes. RUSS J GENET+ 2014. [DOI: 10.1134/s1022795414030065] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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43
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Chen JN, López JA, Lavoué S, Miya M, Chen WJ. Phylogeny of the Elopomorpha (Teleostei): Evidence from six nuclear and mitochondrial markers. Mol Phylogenet Evol 2014; 70:152-61. [DOI: 10.1016/j.ympev.2013.09.002] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2013] [Accepted: 09/04/2013] [Indexed: 12/15/2022]
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Campbell MA, Chen WJ, López JA. Are flatfishes (Pleuronectiformes) monophyletic? Mol Phylogenet Evol 2013; 69:664-73. [PMID: 23876291 PMCID: PMC4458374 DOI: 10.1016/j.ympev.2013.07.011] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2013] [Revised: 07/07/2013] [Accepted: 07/12/2013] [Indexed: 02/03/2023]
Abstract
All extant species of flatfish (order Pleuronectiformes) are thought to descend from a common ancestor, and therefore to represent a monophyletic group. This hypothesis is based largely on the dramatic bilateral asymmetry and associated ocular migration characteristics of all flatfish. Yet, molecular-based phylogenetic studies have been inconclusive on this premise. Support for flatfish monophyly has varied with differences in taxonomic and gene region sampling schemes. Notably, the genus Psettodes has been found to be more related to non-flatfishes than to other flatfishes in many recent studies. The polyphyletic nature of the Pleuronectiformes is often inferred to be the result of weak historical signal and/or artifact of phylogenetic inference due to a bias in the data. In this study, we address the question of pleuronectiform monophyly with a broad set of markers (from six phylogenetically informative nuclear loci) and inference methods designed to limit the influence of phylogenetic artifacts. Concomitant with a character-rich analytical strategy, an extensive taxonomic sampling of flatfish and potential close relatives is used to increase power and resolution. Results of our analyses are most consistent with a non-monophyletic Pleuronectiformes with Psettodes always being excluded. A fossil-calibrated Bayesian relaxed clock analysis estimates the age of Pleuronectoidei to be 73 Ma, and the time to most recent common ancestor of Pleuronectoidei, Psettodes, and other relative taxa to be 77 Ma. The ages are much older than the records of any fossil pleuronectiform currently recognized. We discuss our findings in the context of the available morphological evidence and discuss the compatibility of our molecular hypothesis with morphological data regarding extinct and extant flatfish forms.
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Affiliation(s)
- Matthew A. Campbell
- Department of Biology and Wildlife, University of Alaska Fairbanks, Fairbanks, Alaska 99775, USA
| | - Wei-Jen Chen
- Institute of Oceanography, National Taiwan University, Taipei 10617, Taiwan
| | - J. Andrés López
- School of Fisheries and Ocean Sciences, University of Alaska, Fairbanks, AK 99775, USA
- University of Alaska Museum, Fairbanks, AK 99775, USA
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Phylogenetic relationships of Pseudorasbora, Pseudopungtungia, and Pungtungia (Teleostei; Cypriniformes; Gobioninae) inferred from multiple nuclear gene sequences. BIOMED RESEARCH INTERNATIONAL 2013; 2013:347242. [PMID: 24106702 PMCID: PMC3782758 DOI: 10.1155/2013/347242] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2013] [Accepted: 08/07/2013] [Indexed: 11/17/2022]
Abstract
Gobionine species belonging to the genera Pseudorasbora, Pseudopungtungia, and Pungtungia (Teleostei; Cypriniformes; Cyprinidae) have been heavily studied because of problems on taxonomy, threats of extinction, invasion, and human health. Nucleotide sequences of three nuclear genes, that is, recombination activating protein gene 1 (rag1), recombination activating gene 2 (rag2), and early growth response 1 gene (egr1), from Pseudorasbora, Pseudopungtungia, and Pungtungia species residing in China, Japan, and Korea, were analyzed to elucidate their intergeneric and interspecific phylogenetic relationships. In the phylogenetic tree inferred from their multiple gene sequences, Pseudorasbora, Pseudopungtungia and Pungtungia species ramified into three phylogenetically distinct clades; the "tenuicorpa" clade composed of Pseudopungtungia tenuicorpa, the "parva" clade composed of all Pseudorasbora species/subspecies, and the "herzi" clade composed of Pseudopungtungia nigra, and Pungtungia herzi. The genus Pseudorasbora was recovered as monophyletic, while the genus Pseudopungtungia was recovered as polyphyletic. Our phylogenetic result implies the unstable taxonomic status of the genus Pseudopungtungia.
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Arroyave J, Denton JSS, Stiassny MLJ. Are characiform fishes Gondwanan in origin? Insights from a time-scaled molecular phylogeny of the Citharinoidei (Ostariophysi: Characiformes). PLoS One 2013; 8:e77269. [PMID: 24116219 PMCID: PMC3792904 DOI: 10.1371/journal.pone.0077269] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2013] [Accepted: 08/31/2013] [Indexed: 11/18/2022] Open
Abstract
Fishes of the order Characiformes are a diverse and economically important teleost clade whose extant members are found exclusively in African and Neotropical freshwaters. Although their transatlantic distribution has been primarily attributed to the Early Cretaceous fragmentation of western Gondwana, vicariance has not been tested with temporal information beyond that contained in their fragmentary fossil record and a recent time-scaled phylogeny focused on the African family Alestidae. Because members of the suborder Citharinoidei constitute the sister lineage to the entire remaining Afro-Neotropical characiform radiation, we inferred a time-calibrated molecular phylogeny of citharinoids using a popular Bayesian approach to molecular dating in order to assess the adequacy of current vicariance hypotheses and shed light on the early biogeographic history of characiform fishes. Given that the only comprehensive phylogenetic treatment of the Citharinoidei has been a morphology-based analysis published over three decades ago, the present study also provided an opportunity to further investigate citharinoid relationships and update the evolutionary framework that has laid the foundations for the current classification of the group. The inferred chronogram is robust to changes in calibration priors and suggests that the origins of citharinoids date back to the Turonian (ca 90 Ma) of the Late Cretaceous. Most modern citharinoid genera, however, appear to have originated and diversified much more recently, mainly during the Miocene. By reconciling molecular-clock- with fossil-based estimates for the origins of the Characiformes, our results provide further support for the hypothesis that attributes the disjunct distribution of the order to the opening of the South Atlantic Ocean. The striking overlap in tempo of diversification and biogeographic patterns between citharinoids and the African-endemic family Alestidae suggests that their evolutionary histories could have been strongly and similarly influenced by Miocene geotectonic events that modified the landscape and produced the drainage pattern of Central Africa seen today.
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Affiliation(s)
- Jairo Arroyave
- Department of Ichthyology, Division of Vertebrate Zoology, American Museum of Natural History, New York, New York, United States of America
- Department of Biology, the Graduate School and University Center, the City University of New York, New York, New York, United States of America
| | - John S. S. Denton
- Department of Ichthyology, Division of Vertebrate Zoology, American Museum of Natural History, New York, New York, United States of America
- Richard Gilder Graduate School, American Museum of Natural History, New York, New York, United States of America
| | - Melanie L. J. Stiassny
- Department of Ichthyology, Division of Vertebrate Zoology, American Museum of Natural History, New York, New York, United States of America
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47
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Santini F, Kong X, Sorenson L, Carnevale G, Mehta RS, Alfaro ME. A multi-locus molecular timescale for the origin and diversification of eels (Order: Anguilliformes). Mol Phylogenet Evol 2013; 69:884-94. [PMID: 23831455 DOI: 10.1016/j.ympev.2013.06.016] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2012] [Revised: 05/21/2013] [Accepted: 06/24/2013] [Indexed: 11/25/2022]
Abstract
Anguilliformes are an ecologically diverse group of predominantly marine fishes whose members are easily recognized by their extremely elongate bodies, and universal lack of pelvic fins. Recent studies based on mitochondrial loci, including full mitogenomes, have called into question the monophyly of both the Anguilliformes, which appear to be paraphyletic without the inclusion of the Saccopharyngiformes (gulper eels and allies), as well as other more commonly known eel families (e.g., Congridae, Serrivomeridae). However, no study to date has investigated anguilliform interrelationships using nuclear loci. Here we present a new phylogenetic hypothesis for the Anguilliformes based on five markers (the nuclear loci Early Growth Hormone 3, Myosin Heavy Polypeptide 6 and Recombinase Activating Gene 1, as well as the mitochondrial genes Cytochrome b and Cytochrome Oxidase I). Our sampling spans 148 species and includes 19 of the 20 extant families of anguilliforms and saccopharyngiforms. Maximum likelihood analysis reveals that saccopharyngiform eels are deeply nested within the anguilliforms, and supports the non-monophyly of Congridae and Nettastomatidae, as well as that of Derichthyidae and Chlopsidae. Our analyses suggest that Protanguilla may be the sister group of the Synaphobranchidae, though the recent hypothesis that this species is the sister group to all other anguilliforms cannot be rejected. The molecular phylogeny, time-calibrated using a Bayesian relaxed clock approach and seven fossil calibration points, reveals a Late Cretaceous origin of this expanded anguilliform clade (stem age ~116 Ma, crown age ~99 Ma). Most major (family level) lineages originated between the end of the Cretaceous and Early Eocene, suggesting that anguilliform radiation may have been facilitated by the recovery of marine ecosystems following the KP extinction.
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Affiliation(s)
- Francesco Santini
- University of California Los Angeles, Department of Ecology and Evolutionary Biology, 610 Charles E Young Drive South, Los Angeles, CA 90095, USA; Università degli Studi di Torino, Dipartimento di Scienze della Terra, Via Valperga Caluso 35, 10125 Torino, Italy.
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48
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Santini F, Sorenson L, Alfaro ME. A new phylogeny of tetraodontiform fishes (Tetraodontiformes, Acanthomorpha) based on 22 loci. Mol Phylogenet Evol 2013; 69:177-87. [PMID: 23727595 DOI: 10.1016/j.ympev.2013.05.014] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2013] [Revised: 05/16/2013] [Accepted: 05/20/2013] [Indexed: 10/26/2022]
Abstract
Tetraodontiform fishes represent one of the most peculiar radiations of teleost fishes. In spite of this, we do not currently have a consensus on the phylogenetic relationships among the major tetraodontiform lineages, with different morphological and molecular datasets all supporting contrasting relationships. In this paper we present the results of the analysis of tetraodontiform interrelationships based on two mitochondrial and 20 nuclear loci for 40 species of tetraodontiforms (representing all of the 10 currently recognized families), as well as three outgroups. Bayesian and maximum likelihood analyses of the concatenated dataset (18,682 nucleotides) strongly support novel relationships among the major tetraodontiform lineages. Our results recover two large clades already found in mitogenomic analyses (although the position of triacanthids differ), while they strongly conflict with hypotheses of tetraodontiform relationships inferred by previous studies based on morphology, as well as studies of higher-level teleost relationships based on nuclear loci, which included multiple tetraodontiform lineages. A parsimony gene-tree, species-tree analysis recovers relationships that are mostly congruent with the analyses of the concatenated dataset, with the significant exception of the position of the pufferfishes+porcupine fishes clade. Our findings suggest that while the phylogenetic placement of some tetraodontiform lineages (triacanthids, molids) remains problematic even after sequencing 22 loci, an overall molecular consensus is beginning to emerge regarding the existence of several major clades. This new hypothesis will require a re-evaluation of the phylogenetic usefulness of several morphological features, such as the fusion of several jaw bones into a parrot-like beak, or the reduction and loss of some of the fins, which may have occurred independently more times than previously thought.
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Affiliation(s)
- Francesco Santini
- University of California Los Angeles, Department of Ecology and Evolutionary Biology, 610 Charles E. Young Drive South, Los Angeles, CA 90095, USA.
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Chen WJ, Lavoué S, Mayden RL. Evolutionary origin and early biogeography of otophysan fishes (Ostariophysi: Teleostei). Evolution 2013; 67:2218-39. [PMID: 23888847 DOI: 10.1111/evo.12104] [Citation(s) in RCA: 78] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2011] [Accepted: 02/15/2013] [Indexed: 11/26/2022]
Abstract
The biogeography of the mega-diverse, freshwater, and globally distributed Otophysi has received considerable attention. This attraction largely stems from assumptions as to their ancient origin, the clade being almost exclusively freshwater, and their suitability as to explanations of trans-oceanic distributions. Despite multiple hypotheses explaining present-day distributions, problems remain, precluding more parsimonious explanations. Underlying previous hypotheses are alternative phylogenies for Otophysi, uncertainties as to temporal diversification and assumptions integral to various explanations. We reexamine the origin and early diversification of this clade based on a comprehensive time-calibrated, molecular-based phylogenetic analysis and event-based approaches for ancestral range inference of lineages. Our results do not corroborate current phylogenetic classifications of otophysans. We demonstrate Siluriformes are never sister to Gymnotiformes and Characiformes are most likely nonmonophyletic. Divergence time estimates specify a split between Cypriniformes and Characiphysi with the fragmentation of Pangea. The early diversification of characiphysans either predated, or was contemporary with, the separation of Africa and South America, and involved a combination of within- and between-continental divergence events for these lineages. The intercontinental diversification of siluroids and characoids postdated major intercontinental tectonic fragmentations (<90 Mya). Post-tectonic drift dispersal events are hypothesized to account for their current distribution patterns.
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Affiliation(s)
- Wei-Jen Chen
- Institute of Oceanography, National Taiwan University, No. 1 Sec. 4 Roosevelt Road, Taipei, 10617, Taiwan.
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Pino-Bodas R, Ahti T, Stenroos S, Martín MP, Burgaz AR. Multilocus approach to species recognition in the Cladonia humilis complex (Cladoniaceae, Ascomycota). AMERICAN JOURNAL OF BOTANY 2013; 100:664-678. [PMID: 23507737 DOI: 10.3732/ajb.1200162] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
PREMISE OF THE STUDY The members of the Cladonia humilis complex are characterized by a well-developed primary thallus and broadly scyphose podetia. In the present study, this complex was phylogenetically analyzed to test the boundaries between the species and to determine the usefulness of the phenotypic characters to distinguish them. The species C. conista, C. cyathomorpha, C. hammeri, C. humilis, C. kurokawae, C. nashii, C. pulvinella, and C. subconistea were examined. METHODS Four DNA loci were sequenced and analyzed to test the monophyly of the species. For the phylogenetic reconstructions, maximum parsimony, maximum likelihood, and Bayesian methods were employed. The genealogical sorting index was used to quantify the exclusive ancestry of the nonmonophyletic species on the tree. KEY RESULTS The performed phylogenetic analyses showed that the C. humilis complex is not monophyletic. Cladonia nashii is not closely related to the remaining taxa within the complex. Seven monophyletic lineages were identified, most of which comprise specimens belonging to more than one chemotype. Cladonia hammeri and C. pulvinella are conspecific, and this taxon is not present in Europe. CONCLUSIONS This study suggests that morphological characters and secondary metabolites have less taxonomical value than thought in the Cladonia humilis complex. Use of multilocus phylogeny is recommended to delimit species.
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Affiliation(s)
- Raquel Pino-Bodas
- Departamento Biología Vegetal 1, Universidad Complutense de Madrid, Spain.
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