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Yong RQY, Martin SB, Smit NJ. A new species of Siphoderina Manter, 1934 (Digenea: Cryptogonimidae) infecting the Dory Snapper Lutjanus fulviflamma (Teleostei: Lutjanidae) from the east coast of South Africa. Syst Parasitol 2023; 100:673-686. [PMID: 37845589 PMCID: PMC10613151 DOI: 10.1007/s11230-023-10116-1] [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: 06/08/2023] [Accepted: 09/13/2023] [Indexed: 10/18/2023]
Abstract
Parasitological assessment of marine fishes at Sodwana Bay in the iSimangaliso Marine Protected Area on the east coast of South Africa revealed a new species of cryptogonimid trematode infecting the pyloric caeca of the Dory Snapper, Lutjanus fulviflamma (Forsskål) (Lutjanidae). The new species is morphologically consistent with the concept of the large genus Siphoderina Manter, 1934; its phylogenetic position within this genus was validated through molecular sequencing of the ITS2 and partial 28S ribosomal DNA sub-regions. We name this species Siphoderina nana n. sp. and comment on the current state of understanding for this genus of cryptogonimids.
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Affiliation(s)
- Russell Q-Y Yong
- Water Research Group, Unit for Environmental Sciences & Management, North-West University, Potchefstroom, 2520, South Africa.
| | - Storm B Martin
- Centre for Sustainable Aquatic Ecosystems, Harry Butler Institute, Murdoch University, 90 South Street, Murdoch, WA, 6150, Australia
| | - Nico J Smit
- Water Research Group, Unit for Environmental Sciences & Management, North-West University, Potchefstroom, 2520, South Africa
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Mathews PD, Rabet N, L Espinoza L, Haÿ V, Bonillo C, Keith P, Lord C, Audebert F. Discovery of a Digenean (Cryptogonimidae) Living in a Cleft-Lipped Goby, Sicyopterus cynocephalus (Teleostei: Gobiidae) from Ranongga Island, Solomon Islands: Analysis of Multiple Ribosomal DNA Regions. Pathogens 2023; 12:923. [PMID: 37513770 PMCID: PMC10384892 DOI: 10.3390/pathogens12070923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 07/03/2023] [Accepted: 07/07/2023] [Indexed: 07/30/2023] Open
Abstract
This study results from a continued investigation of the occurrence and diversity of parasites of freshwater fish in the Solomon Islands. Thus, we revealed a new host as well as a new site of infection and a new geographical area for the cryptogonimid parasite, Stemmatostoma cribbi (Digenea: Cryptogonimidae). The cryptogonimid species was identified based on general morphology and on molecular data of metacercariae found in the gills of the cleft-lipped goby, Sicyopterus cynocephalus, from Ranongga Island, Western Province of the Solomon Islands. This is the first report of a Stemmatostoma sp. digenean parasitizing fish of the genus Sicyopterus in the Indo-Pacific region and the first report of S. cribbi infection in a fish from the Solomon Islands. Phylogenetic analysis performed by Bayesian inference and maximum likelihood confirmed the presence of the cryptogonimid in a well-supported subclade of Stemmatostoma spp.
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Affiliation(s)
- Patrick D Mathews
- Unité Biologie des Organismes et Écosystèmes Aquatiques-BOREA, Sorbonne Université, Muséum National d'Histoire Naturelle, CNRS, IRD, UCN, UA, CP 26, 43 Rue Cuvier, 75005 Paris, France
| | - Nicolas Rabet
- Unité Biologie des Organismes et Écosystèmes Aquatiques-BOREA, Sorbonne Université, Muséum National d'Histoire Naturelle, CNRS, IRD, UCN, UA, CP 26, 43 Rue Cuvier, 75005 Paris, France
| | - Luis L Espinoza
- Laboratory of Biology and Molecular Genetics, Faculty of Veterinary Medicine, National University of San Marcos, Lima 2800, Peru
| | - Vincent Haÿ
- Unité Biologie des Organismes et Écosystèmes Aquatiques-BOREA, Sorbonne Université, Muséum National d'Histoire Naturelle, CNRS, IRD, UCN, UA, CP 26, 43 Rue Cuvier, 75005 Paris, France
| | - Céline Bonillo
- Unité Biologie des Organismes et Écosystèmes Aquatiques-BOREA, Sorbonne Université, Muséum National d'Histoire Naturelle, CNRS, IRD, UCN, UA, CP 26, 43 Rue Cuvier, 75005 Paris, France
| | - Philippe Keith
- Unité Biologie des Organismes et Écosystèmes Aquatiques-BOREA, Sorbonne Université, Muséum National d'Histoire Naturelle, CNRS, IRD, UCN, UA, CP 26, 43 Rue Cuvier, 75005 Paris, France
| | - Clara Lord
- Unité Biologie des Organismes et Écosystèmes Aquatiques-BOREA, Sorbonne Université, Muséum National d'Histoire Naturelle, CNRS, IRD, UCN, UA, CP 26, 43 Rue Cuvier, 75005 Paris, France
| | - Fabienne Audebert
- Unité Biologie des Organismes et Écosystèmes Aquatiques-BOREA, Sorbonne Université, Muséum National d'Histoire Naturelle, CNRS, IRD, UCN, UA, CP 26, 43 Rue Cuvier, 75005 Paris, France
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Kvach Y, Ondračková M, Seifertová M, Hulak B. Gyrodactylus ginestrae n. sp. (Monogenea: Gyrodactylidae), a parasite of the big-scale sand smelt, Atherina boyeri Risso, 1810 (Actinopterygii: Atherinidae) from the Black Sea. Parasitol Res 2019; 118:3315-3325. [DOI: 10.1007/s00436-019-06483-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Accepted: 09/25/2019] [Indexed: 11/24/2022]
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Pantoja CS, Hernández-Mena DI, de León GPP, Luque JL. Phylogenetic Position of Pseudosellacotyla lutzi (Freitas, 1941) (Digenea: Cryptogonimidae), A Parasite of Hoplias malabaricus (Bloch) in South America, through 28S rDNA Sequences, and New Observations of the Ultrastructure of Their Tegument. J Parasitol 2018; 104:530-538. [PMID: 29990447 DOI: 10.1645/17-201] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
The freshwater fish digenean Pseudosellacotyla lutzi ( Freitas, 1941 ) Yamaguti, 1954 has had an unsettled taxonomic history, and has at various times been classified as a member of Nanophyetidae, Heterophyidae, Microphallidae, Faustulidae, and Cryptogonimidae. Nine individual specimens of the trahira, Hoplias malabaricus (Bloch, 1794), were sampled in the Paraná River basin, Paraná State, Brazil; 22 specimens of P. lutzi were collected. One specimen of P. lutzi was used to obtain a sequence of the domains D1-D3 of the 28S rRNA gene, and to perform a phylogenetic analysis to assess their position and classification within Plagiorchiida. The resulting tree unequivocally shows that the species, along with acanthostomines, belong to the Cryptogonimidae, corroborating recent findings based on the morphology of the cercariae, and in the characteristics of the life cycle. In addition, the study of the ultrastructure of the tegumental spines through scanning electron microscopy allowed us to characterize them as pectinate spines possessing 3 to 8 digitiform projections at their distal end and extending from the anterior to the posterior extremity of the body. This study also provides the first molecular data for a cryptogonimid from South America.
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Affiliation(s)
- Camila S Pantoja
- 1 Curso de Pós-Graduação em Ciências Veterinárias, Departamento de Parasitologia Animal, Universidade Federal Rural do Rio de Janeiro, Caixa Postal 74·540, 23851-970, Seropédica, RJ, Brazil
| | - David Iván Hernández-Mena
- 2 Instituto de Biología, Universidad Nacional Autónoma de México., Ap. Postal 70-153, C.P. 04510, México D.F., México
| | - Gerardo Pérez-Ponce de León
- 2 Instituto de Biología, Universidad Nacional Autónoma de México., Ap. Postal 70-153, C.P. 04510, México D.F., México
| | - José L Luque
- 1 Curso de Pós-Graduação em Ciências Veterinárias, Departamento de Parasitologia Animal, Universidade Federal Rural do Rio de Janeiro, Caixa Postal 74·540, 23851-970, Seropédica, RJ, Brazil
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Pinto HA, Gonçalves NQ, López-Hernandez D, Pulido-Murillo EA, Melo AL. The life cycle of a zoonotic parasite reassessed: Experimental infection of Melanoides tuberculata (Mollusca: Thiaridae) with Centrocestus formosanus (Trematoda: Heterophyidae). PLoS One 2018; 13:e0194161. [PMID: 29624583 PMCID: PMC5889065 DOI: 10.1371/journal.pone.0194161] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2017] [Accepted: 02/26/2018] [Indexed: 12/19/2022] Open
Abstract
Centrocestus formosanus is a foodborne intestinal trematode that is native to Asia and has been introduced into the Americas and Europe. Although there are several studies of C. formosanus in definitive vertebrate hosts (birds and mammals, including humans), and in intermediate vertebrate hosts (fish and amphibians), there is little published information regarding interaction with its transmitting mollusc. In this study we studied the miracidial development of C. formosanus using a mouse as a source of eggs. Adult parasites were maintained in water in order to develop miracidia in intrauterine eggs. Miracidia appeared at 12 days of incubation, with no hatching observed for up to 40 days. Subsequently, we placed dead C. formosanus containing eggs with miracidia individually in contact with 48 specimens of Melanoides tuberculata, and observed the absence of the parasites after 1h of exposure, suggesting that they were ingested by the snails. Of the 33 experimentally-infected snails that were alive after 84–89 days post-infection (DPI), seven (21%) shed cercariae. We detected young C. formosanus rediae in 21/33 (64%) M. tuberculata at 90 DPI. To our knowledge, this report is the first to show that, in the life cycle of C. formosanus, infection of molluscs occurs passively by ingestion of eggs, followed by a long intramolluscan phase. We compare these data with those described for other Heterophyidae, and discuss on the phylogenetic background of the pattern of miracidial development verified in these parasites.
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Affiliation(s)
- Hudson A. Pinto
- Department of Parasitology, Institute of Biological Sciences, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
- * E-mail:
| | - Nicole Q. Gonçalves
- Department of Parasitology, Institute of Biological Sciences, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Danimar López-Hernandez
- Department of Parasitology, Institute of Biological Sciences, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Eduardo A. Pulido-Murillo
- Department of Parasitology, Institute of Biological Sciences, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Alan L. Melo
- Department of Parasitology, Institute of Biological Sciences, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
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Kacem H, Blasco S, Foronda P, Miquel J. Sperm characters of Timoniella imbutiforme (Digenea, Opisthorchioidea, Cryptogonimidae), a parasite of the European seabass Dicentrarchus labrax. ZOOL ANZ 2017. [DOI: 10.1016/j.jcz.2017.11.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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The taxonomic and phylogenetic status of digeneans from the genus Timoniella (Digenea: Cryptogonimidae) in the Black and Baltic seas. J Helminthol 2017; 92:596-603. [PMID: 28974278 DOI: 10.1017/s0022149x1700075x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Timoniella spp. are cryptogonimid flukes (Digenea: Cryptogonimidae) that parasitize the guts of fish in brackish waters. Timoniella imbutiforme, a species from the Mediterranean Sea, is recorded in the Black Sea, while T. balthica has been described from the Baltic Sea. In this paper, we clarify the taxonomic status of Timoniella populations in the Baltic and Black seas. Adults and metacercariae of Timoniella spp. were sampled from localities in the Mediterranean Sea (France), Black Sea (Ukraine) and Baltic Sea (Germany) and subjected to molecular and morphological analysis, including Bayesian phylogenetic reconstruction based on concatenated sequences of ITS1-ITS2-28S. This allowed us to construct a new key to species of the genus Timoniella. Our results suggest that T. balthica forms part of the Boreal-Atlantic relict fauna of the Black Sea and should now be considered a junior synonym of T. imbutiforme.
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Ultrastructural characters of the spermatozoon of the liver fluke Opisthorchis viverrini (Poirier, 1886) (Opisthorchiidae). Parasitol Res 2017; 116:2499-2506. [PMID: 28725936 DOI: 10.1007/s00436-017-5559-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Accepted: 07/11/2017] [Indexed: 10/19/2022]
Abstract
The present study records the ultrastructural organization of the mature spermatozoon of Opisthorchis viverrini by means of transmission electron microscopy. The spermatozoon of O. viverrini is a filiform cell, tapered at both extremities. It exhibits the characteristics of type IV spermatozoon of digeneans, namely with two axonemes of the 9+'1' trepaxonematan pattern, external ornamentation of the plasma membrane associated with cortical microtubules that are in the posterior part of the anterior region of the sperm cell, and with two mitochondria. The maximal number of cortical microtubules is in the anterior part of the spermatozoon and arranged into two bundles. Other characteristics are spine-like bodies and a posterior extremity with only the second axoneme. Ultrastructural characters of the spermatozoon of O. viverrini are compared with those of other known digeneans belonging to the Opisthorchioidea, with particular emphasis on representatives of the family Opisthorchiidae. The main differences between O. viverrini and its congener Opisthorchis felineus are the spine-like bodies (present and absent, respectively) and the posterior spermatozoon character (axoneme and nucleus, respectively).
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