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Bedin LC, Alves PV, da Silva RJ. Evolutionary affinities and morphological characterization of the enigmatic Zonocotyle bicaecata (Trematoda: Paramphistomoidea: Zonocotylidae) from the Upper Paraná River basin. Syst Parasitol 2024; 101:30. [PMID: 38635136 DOI: 10.1007/s11230-024-10158-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Accepted: 03/04/2024] [Indexed: 04/19/2024]
Abstract
Neotropical fish amphistomes represent a highly diverse group within the Paramphistomoidea, with wide distribution across major South American hydrological drainages. However, the limited molecular characterization of these taxa has impeded a comprehensive assessment of their evolutionary relationships and the systematic relevance of morphological features in classification schemes. Our study, based on the critical evaluation of the type material of both nominal species of Zonocotyle (type genus of the monotypic Zonocotylidae), and newly collected specimens of Zonocotyle bicaecata from Steindachnerina insculpta (Curimatidae) in the Upper Paraná River basin, Brazil, presents a morphological reappraisal of Z. bicaecata and provides molecular data (28S rDNA, ITS1-5.8S-ITS2 region, and COI mtDNA) to assess its phylogenetic relationships. Our phylogenetic analyses confirm this species belongs to the Paramphistomoidea. The most comprehensive analyses (based on 28S and COI) further indicate a close relationship with other fish amphistomes from the Neotropical region. Additionally, we emphasized the necessity for a new classification within Paramphistomoidea and briefly discussed the host range of Zonocotyle among curimatid fish hosts.
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Affiliation(s)
- Letícia C Bedin
- Instituto de Biociências, Setor de Parasitologia, Universidade Estadual Paulista "Júlio de Mesquita Filho" (UNESP), Rua Prof. Dr. Antônio Celso Wagner Zanin, s/n, Botucatu, São Paulo, 18616-689, Brazil
| | - Philippe V Alves
- Instituto de Biociências, Setor de Parasitologia, Universidade Estadual Paulista "Júlio de Mesquita Filho" (UNESP), Rua Prof. Dr. Antônio Celso Wagner Zanin, s/n, Botucatu, São Paulo, 18616-689, Brazil.
| | - Reinaldo J da Silva
- Instituto de Biociências, Setor de Parasitologia, Universidade Estadual Paulista "Júlio de Mesquita Filho" (UNESP), Rua Prof. Dr. Antônio Celso Wagner Zanin, s/n, Botucatu, São Paulo, 18616-689, Brazil
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Montes MM, Arrascaeta FK, Barneche JA, Balcazar D, Reig Cardarella GF, Martorelli SR. Phylogenetic position of the Neotropical Family Zonocotylidae (Paramphistomoidea) using partial 28S rDNA sequences. J Helminthol 2023; 97:e92. [PMID: 38053388 DOI: 10.1017/s0022149x23000779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2023]
Abstract
Six families belonging to the Paramphistomoidea superfamily have been reported in South America, with only Zonocotylidae and Balanorchiidae being endemic. The Zonocotylidae was initially classified as Aspidogastrea and then as a paramphistomoid. This family comprises a single genus, Zononocotyle, with two species. It is primarily characterized by having an attachment organ with transverse ridges and a single testis. The placement of Zonocotylidae within Paramphistomoidea is controversial, as some researchers speculate that this genus is the most primitive member of the superfamily, while others consider it an aberrant form. The main objectives of our study were to provide the first sequences of Zonocotylidae and elucidate its phylogenetic position. We amplified the 28S gene from two parasites from Cyphocharax sp. from Punta Lara, Buenos Aires. Newly generated sequences were used to infer the phylogenetic relationships with other Paramphistomoidea species using a Bayesian approach. Zonocotylidae were clustered with Dadayiinae and Kalitrematinae (Cladorchiidae) species found in freshwater fishes from South America. Genetic analyses revealed that they formed a well-supported clade with cladorchiids in freshwater hosts from South America. However, the occurrence of genera of Cladorchiidae in North America, Middle America, Asia, and Australia suggested its polyphyletic nature and may indicate the need for the erection of new families. Other Paramphistomoidea families may also require further revision. The addition of new sequences to phylogenetic analyses along with a comprehensive and more detailed description of the genera will help resolve the relationships within this group.
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Affiliation(s)
- M M Montes
- Centro de Estudios Parasitológicos y Vectores (CEPAVE), Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad Nacional de La Plata (CCT, CONICET-UNLP-CICPBA), La Plata, Buenos Aires, Argentina
| | - F K Arrascaeta
- Centro de Estudios Parasitológicos y Vectores (CEPAVE), Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad Nacional de La Plata (CCT, CONICET-UNLP-CICPBA), La Plata, Buenos Aires, Argentina
| | - J A Barneche
- Centro de Estudios Parasitológicos y Vectores (CEPAVE), Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad Nacional de La Plata (CCT, CONICET-UNLP-CICPBA), La Plata, Buenos Aires, Argentina
| | - D Balcazar
- Centro de Estudios Parasitológicos y Vectores (CEPAVE), Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad Nacional de La Plata (CCT, CONICET-UNLP-CICPBA), La Plata, Buenos Aires, Argentina
| | - G F Reig Cardarella
- Escuela de Tecnología Médica y Centro Integrativo de Biología y Química Aplicada (CIBQA). Universidad Bernardo O' Higgins, Santiago de Chile, Chile
| | - S R Martorelli
- Centro de Estudios Parasitológicos y Vectores (CEPAVE), Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad Nacional de La Plata (CCT, CONICET-UNLP-CICPBA), La Plata, Buenos Aires, Argentina
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Svinin AO, Chikhlyaev IV, Bashinskiy IW, Osipov VV, Neymark LA, Ivanov AY, Stoyko TG, Chernigova PI, Ibrogimova PK, Litvinchuk SN, Ermakov OA. Diversity of trematodes from the amphibian anomaly P hotspot: Role of planorbid snails. PLoS One 2023; 18:e0281740. [PMID: 36989233 PMCID: PMC10057761 DOI: 10.1371/journal.pone.0281740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Accepted: 01/30/2023] [Indexed: 03/30/2023] Open
Abstract
Trematode infection of the second intermediate hosts can lead to changes in their fitness and, as a result, a change in the invasion rate of animal communities. It is especially pronounced during the invasion of parasite species that reduce activity due to the manipulation of hosts through the changes of their morphology and physiology. One of these cases is an anomaly P syndrome hotspot found in some populations of water frogs and toads in Europe caused by the trematode Strigea robusta metacercariae. The occurrence of pathogen and their participation in ecosystems are intrigues questions in the anomaly P phenomenon, as well as the role of planorbid snails that serve as the first intermediate hosts for many trematode species. Herein, we focused on trematodes spectra from planorbid snails and amphibians from the anomaly P hosts with the aim to undetected interactions between the pathways of parasites. Emerging cercariae of 6802 planorbid snails of dominant species (Planorbarius corneus, Planorbis planorbis, and Anisus spp.) were detected by both morphological and molecular methods in seven waterbodies in Privolzhskaya Lesostep Nature Reserve (Russia). A total of 95 sequences of 18 species were received, and 48 sequences were unique and did not present in any genetic databases. The 18 species of trematodes from snails and 14 species of trematodes from amphibian hosts (Pelophylax ridibundus; Ranidae; Anura) were detected. Three species (Echinostoma nasincovae, Tylodelphys circibuteonis and Australapatemon burti) was new for the trematode fauna of the Middle Volga River region and Russia as a whole. Eleven species of parasitic flatworms have amphibians in their life cycles and nine species used amphibians as metacercariae hosts: Echinostoma nasincovae, E. miyagawai, Echinoparyphium recurvatum, Tylodelphys circibuteonis, Neodiplostomum spathula, Paralepoderma cloacicola, Macrodera longicollis, Strigea robusta, and Strigea strigis. The occurrence of trematode species from planorbid mollusks and frogs were compared.
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Affiliation(s)
- Anton O Svinin
- Institute of Environmental and Agricultural Biology (X-BIO), Tyumen State University, Tyumen, Russia
| | - Igor V Chikhlyaev
- Institute of Ecology of Volga River Basin, Samara Federal Research Scientific Center RAS, Togliatti, Russia
| | - Ivan W Bashinskiy
- Laboratory of Ecology of Aquatic Communities and Invasions, A.N. Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, Moscow, Russia
| | - Vitaly V Osipov
- Privolzhskaya Lesosteppe State Nature Reserve, Penza, Russia
| | - Leonid A Neymark
- Institute of Ecology of Volga River Basin, Samara Federal Research Scientific Center RAS, Togliatti, Russia
| | | | - Tamara G Stoyko
- Department of Zoology and Ecology, Penza State University, Penza, Russia
| | - Polina I Chernigova
- Institute of Environmental and Agricultural Biology (X-BIO), Tyumen State University, Tyumen, Russia
| | - Polina K Ibrogimova
- Institute of Environmental and Agricultural Biology (X-BIO), Tyumen State University, Tyumen, Russia
| | | | - Oleg A Ermakov
- Department of Zoology and Ecology, Penza State University, Penza, Russia
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