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Olivera LA, Campião KM. Diversity of Acanthocephala parasites in Neotropical amphibians. J Helminthol 2024; 98:e11. [PMID: 38263742 DOI: 10.1017/s0022149x23000986] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2024]
Abstract
Acanthocephalans constitute a small taxonomic group related to rotifers and specialized in a parasitic lifestyle. Anurans act as paratenic and definitive hosts and infections always occur trophically. Our objective is to describe and summarize the richness of acanthocephalans in Neotropical anurans. We conducted a literature review in the main research databases, compiling data published until August 2021. We identified 66 articles with records of acanthocephalan-anuran association, 53.03% were carried out in Brazil. We detected 108 species of anurans from 11 families parasitized by acanthocephalans. With the exception of Bufonidae, Hylidae and Leptodactylidae, which are relatively well-studied families, interaction with acanthocephalans remains largely unexplored for most anuran species. We found six families of acanthocephalans: Centrorhynchidae, Echinorhynchidae, Oligacanthorhynchidae, Cavisomidae, Neoechinorhynchidae and Plagiorhynchidae. Centrorhynchidae and Echinorhynchidae presented the largest number of taxa associated with anurans. The largest number of records corresponded to acanthocephalans in the larval stage (cystacanths), for which anurans act as paratenic hosts. We observed a lack of specific taxonomic resolution in the identifications of most reports, because a large part of the records in the larval stage make morphological identification difficult. Brazil, Mexico, Paraguay, Argentina, Ecuador and Peru are the countries with the most records, while Costa Rica, Venezuela, Colombia, Chile and Uruguay exhibited the lowest publication numbers, resulting in gaps in the distribution of acanthocephalans. We expanded the known number of anuran species parasitized by acanthocephalans, compared to the last published review. Overall, we aim to contribute to the understanding of diversity within this intriguing but understudied group.
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Affiliation(s)
- L A Olivera
- Postgraduate Program in Zoology, Federal University of Paraná. Curitiba, Brazil
- Laboratory of Biological Interactions, Federal University of Paraná, UFPR-Curitiba, Paraná, Brazil
| | - K M Campião
- Laboratory of Biological Interactions, Federal University of Paraná, UFPR-Curitiba, Paraná, Brazil
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Li DX, Yang RJ, Chen HX, Kuzmina TA, Spraker TR, Li L. Characterization of the complete mitochondrial genomes of the zoonotic parasites Bolbosoma nipponicum and Corynosoma villosum (Acanthocephala: Polymorphida) and the molecular phylogeny of the order Polymorphida. Parasitology 2024; 151:45-57. [PMID: 37955106 PMCID: PMC10941042 DOI: 10.1017/s0031182023001099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 10/26/2023] [Accepted: 11/07/2023] [Indexed: 11/14/2023]
Abstract
Acanthocephalans of the order Polymorphida mainly parasitic in birds and mammals, are of veterinary, medical and economic importance. However, the evolutionary relationships of its 3 families (Centrorhynchidae, Polymorphidae and Plagiorhynchidae) remain under debate. Additionally, some species of Polymorphida (i.e. Bolbosoma spp. and Corynosoma spp.) are recognized as zoonotic parasites, associated with human acanthocephaliasis, but the mitochondrial genomes for representatives of Bolbosoma and Corynosoma have not been reported so far. In the present study, the complete mitochondrial genomes B. nipponicum and C. villosum (Acanthocephala: Polymorphidae) are reported for the first time, which are 14 296 and 14 241 bp in length, respectively, and both contain 36 genes [including 12 PCGs, 22 tRNA genes and 2 rRNA genes] and 2 non-coding regions (NCR1 and NCR2). The gene arrangement of some tRNAs in the mitogenomes of B. nipponicum and C. villosum differs from that found in all other acanthocephalans, except Polymorphus minutus. Phylogenetic results based on concatenated amino acid (AA) sequences of the 12 protein-coding genes (PCGs) strongly supported that the family Polymorphidae is a sister to the Centrorhynchidae rather than the Plagiorhynchidae, and also confirmed the sister relationship of the genera Bolbosoma and Corynosoma in the Polymorphidae based on the mitogenomic data for the first time. Our present findings further clarified the phylogenetic relationships of the 3 families Plagiorhynchidae, Centrorhynchidae and Polymorphidae, enriched the mitogenome data of the phylum Acanthocephala (especially the order Polymorphida), and provided the resource of genetic data for diagnosing these 2 pathogenic parasites of human acanthocephaliasis.
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Affiliation(s)
- Dai-Xuan Li
- Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology; Hebei Collaborative Innovation Center for Eco-Environment; College of Life Sciences, Hebei Normal University, 050024 Shijiazhuang, Hebei Province, P. R. China
- Hebei Research Center of the Basic Discipline Cell Biology; Ministry of Education Key Laboratory of Molecular and Cellular Biology; 050024 Shijiazhuang, Hebei Province, P. R. China
| | - Rui-Jia Yang
- Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology; Hebei Collaborative Innovation Center for Eco-Environment; College of Life Sciences, Hebei Normal University, 050024 Shijiazhuang, Hebei Province, P. R. China
- Hebei Research Center of the Basic Discipline Cell Biology; Ministry of Education Key Laboratory of Molecular and Cellular Biology; 050024 Shijiazhuang, Hebei Province, P. R. China
| | - Hui-Xia Chen
- Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology; Hebei Collaborative Innovation Center for Eco-Environment; College of Life Sciences, Hebei Normal University, 050024 Shijiazhuang, Hebei Province, P. R. China
- Hebei Research Center of the Basic Discipline Cell Biology; Ministry of Education Key Laboratory of Molecular and Cellular Biology; 050024 Shijiazhuang, Hebei Province, P. R. China
| | - Tetiana A. Kuzmina
- I. I. Schmalhausen Institute of Zoology National Academy of Sciences of Ukraine, 15, Bogdan Khmelnytsky Street, Kyiv 01054, Ukraine
- Institute of Parasitology, Slovak Academy of Sciences, Hlinkova 3, 04001, Košice, Slovak Republic
| | - Terry R. Spraker
- Diagnostic Laboratory, Department of Microbiology, Immunology and Pathology, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80526, USA
| | - Liang Li
- Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology; Hebei Collaborative Innovation Center for Eco-Environment; College of Life Sciences, Hebei Normal University, 050024 Shijiazhuang, Hebei Province, P. R. China
- Hebei Research Center of the Basic Discipline Cell Biology; Ministry of Education Key Laboratory of Molecular and Cellular Biology; 050024 Shijiazhuang, Hebei Province, P. R. China
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Muhammad N, Li DX, Ru SS, Suleman, Saood D, Alvi MA, Li L. Characterization of the complete mitochondrial genome of Acanthogyrus ( Acanthosentis) bilaspurensis Chowhan, Gupta & Khera, 1987 (Eoacanthocephala: Quadrigyridae), the smallest mitochondrial genome in Acanthocephala, and its phylogenetic implications. J Helminthol 2023; 97:e87. [PMID: 37969070 DOI: 10.1017/s0022149x23000561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2023]
Abstract
The phylum Acanthocephala is an important group of parasites with more than 1,300 species parasitizing intestine of all major vertebrate groups. However, our present knowledge of the mitochondrial genomes of Acanthocephala remains very limited. In the present study, we sequenced and annotated the complete mitochondrial genome of Acanthogyrus (Acanthosentis) bilaspurensis (Gyracanthocephala: Quadrigyridae) for the first time based on the specimens recovered from the intestine of common carp Cyprinus carpio Linnaeus (Cyprinidae) in Pakistan. The mitochondrial genome of A. bilaspurensis is 13,360 bp in size and contains 36 genes, representing the smallest mitogenome of acanthocephalans reported so far. The mitogenome of A. bilaspurensis also has the lowest level of overall A+T contents (59.3%) in the mitogenomes of Eoacanthocephala, and the non-coding region 3 (NCR3) lies between trnS2 and trnI, which is different from all of the other acanthocephalan species. Phylogenetic analyses based on concatenating the amino acid sequences of 12 protein-coding genes using maximum likelihood (ML) and Bayesian inference (BI) methods revealed that the family Pseudoacanthocephalidae is a sister to the Arhythmacanthidae rather than the Cavisomatidae, and the families Rhadinorhynchidae and Cavisomatidae showed sister relationships.
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Affiliation(s)
- Nehaz Muhammad
- Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology; Hebei Collaborative Innovation Center for Eco-Environment; College of Life Sciences, Hebei Normal University, 050024Shijiazhuang, Hebei Province, P. R. China
- Hebei Research Center of the Basic Discipline Cell Biology; Ministry of Education Key Laboratory of Molecular and Cellular Biology; 050024Shijiazhuang, Hebei Province, P. R. China
- Biology Postdoctoral Research Mobile Station, Hebei Normal University, 050024Shijiazhuang, Hebei Province, P. R. China
| | - D-X Li
- Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology; Hebei Collaborative Innovation Center for Eco-Environment; College of Life Sciences, Hebei Normal University, 050024Shijiazhuang, Hebei Province, P. R. China
| | - S-S Ru
- Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology; Hebei Collaborative Innovation Center for Eco-Environment; College of Life Sciences, Hebei Normal University, 050024Shijiazhuang, Hebei Province, P. R. China
| | - Suleman
- Department of Zoology, University of Swabi, Anbar, Swabi, 23561, Khyber Pakhtunkhwa, Pakistan
| | - D Saood
- Department of Zoology, Abdul Wali Khan University MardanKhyber Pakhtunkhwa, Pakistan
| | - M A Alvi
- Department of Clinical Medicine and Surgery, University of Agriculture, Faisalabad, Pakistan
| | - L Li
- Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology; Hebei Collaborative Innovation Center for Eco-Environment; College of Life Sciences, Hebei Normal University, 050024Shijiazhuang, Hebei Province, P. R. China
- Hebei Research Center of the Basic Discipline Cell Biology; Ministry of Education Key Laboratory of Molecular and Cellular Biology; 050024Shijiazhuang, Hebei Province, P. R. China
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Zheng J, Li F, Fan M, Gu Z, Liu C, Wang A, Yang Y. Mitogenomic Phylogeny of Tonnoidea Suter, 1913 (1825) (Gastropoda: Caenogastropoda). Animals (Basel) 2023; 13:3342. [PMID: 37958096 PMCID: PMC10649890 DOI: 10.3390/ani13213342] [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: 09/05/2023] [Revised: 10/01/2023] [Accepted: 10/25/2023] [Indexed: 11/15/2023] Open
Abstract
The Tonnoidea Suter, 1913 (1825) is a moderately diverse group of large predatory gastropods, the systematics of which remain unclear. In the present study, the complete mitochondrial genomes of nine Tonnoidean species were sequenced. All newly sequenced mitogenomes contain 13 protein-coding genes (PCGs), 22 transfer RNA genes and two ribosomal RNA genes, showing similar patterns in genome size, gene order and nucleotide composition. The ratio of nonsynonymous to synonymous of PCGs indicated that NADH complex genes of Tonnoideans were experiencing a more relaxed purifying selection compared with the COX genes. The reconstructed phylogeny based on the combined amino acid sequences of 13 protein-coding genes and the nucleotide sequences of two rRNA genes supported that Ficidae Meek, 1864 (1840) is a sister to Tonnoidea. The monophylies of all Tonnoidean families were recovered and the internal phylogenetic relationships were consistent with the current classification. The phylogeny also revealed that Tutufa rebuta (Linnaeus, 1758) is composed of at least two different species, indicating that the species diversity within Bursidae Thiele, 1925 might be underestimated. The present study contributes to the understanding of the Tonnoidean systematics, and it could provide important information for the revision of Tonnoidean systematics in the future.
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Affiliation(s)
- Jiawen Zheng
- School of Marine Biology and Fisheries, Hainan University, Haikou 570228, China; (J.Z.); (F.L.); (M.F.); (Z.G.); (C.L.); (A.W.)
| | - Fengping Li
- School of Marine Biology and Fisheries, Hainan University, Haikou 570228, China; (J.Z.); (F.L.); (M.F.); (Z.G.); (C.L.); (A.W.)
| | - Mingfu Fan
- School of Marine Biology and Fisheries, Hainan University, Haikou 570228, China; (J.Z.); (F.L.); (M.F.); (Z.G.); (C.L.); (A.W.)
| | - Zhifeng Gu
- School of Marine Biology and Fisheries, Hainan University, Haikou 570228, China; (J.Z.); (F.L.); (M.F.); (Z.G.); (C.L.); (A.W.)
| | - Chunsheng Liu
- School of Marine Biology and Fisheries, Hainan University, Haikou 570228, China; (J.Z.); (F.L.); (M.F.); (Z.G.); (C.L.); (A.W.)
| | - Aimin Wang
- School of Marine Biology and Fisheries, Hainan University, Haikou 570228, China; (J.Z.); (F.L.); (M.F.); (Z.G.); (C.L.); (A.W.)
| | - Yi Yang
- School of Marine Biology and Fisheries, Hainan University, Haikou 570228, China; (J.Z.); (F.L.); (M.F.); (Z.G.); (C.L.); (A.W.)
- Sanya Nanfan Research Institute, Hainan University, Sanya 572025, China
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Orosová M, Marková A, Zrzavá M, Marec F, Oros M. Chromosome analysis and the occurrence of B chromosomes in fish parasite Acanthocephalus anguillae (Palaeacanthocephala: Echinorhynchida). Parasite 2023; 30:44. [PMID: 37870409 PMCID: PMC10592040 DOI: 10.1051/parasite/2023045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2023] [Accepted: 09/27/2023] [Indexed: 10/24/2023] Open
Abstract
The cytogenetics of Acanthocephala is a neglected area in the study of this group of endoparasites. Chromosome number and/or karyotypes are known for only 12 of the 1,270 described species, and molecular cytogenetic data are limited to rDNA mapping in two species. The standard karyological technique and mapping of 18S rRNA and H3 histone genes on the chromosomes of Acanthocephalus anguillae individuals from three populations, one of which originated from the unfavorable environmental conditions of the Zemplínska Šírava reservoir in eastern Slovakia, were applied for the first time. All specimens had 2n = 7/8 (male/female); n = 1m + 1m-sm + 1a + 1a (X). Fluorescence in situ hybridization (FISH) revealed three loci of 18S rDNA on two autosomes and dispersion of H3 histone genes on all autosomes and the X chromosome. In addition to the standard A chromosome set, 34% of specimens from Zemplínska Šírava possessed a small acrocentric B chromosome, which was always found to be univalent, with no pairing observed between the B chromosome and the A complement. The B chromosome had a small amount of heterochromatin in the centromeric and telomeric regions of the chromosomal arms and showed two clusters of H3 genes. It is well known that an environment permanently polluted with chemicals leads to an increased incidence of chromosomal rearrangements. As a possible scenario for the B chromosome origin, we propose chromosomal breaks due to the mutagenic effect of pollutants in the aquatic environment. The results are discussed in comparison with previous chromosome data from Echinorhynchida species.
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Affiliation(s)
- Martina Orosová
- Institute of Parasitology, Slovak Academy of Sciences Hlinkova 3 040 01 Košice Slovakia
| | - Anna Marková
- Institute of Parasitology, Slovak Academy of Sciences Hlinkova 3 040 01 Košice Slovakia
- Department of Zoology, Faculty of Natural Sciences, Comenius University Ilkovičova 6 842 15 Bratislava Slovakia
| | - Magda Zrzavá
- Biology Centre of the Czech Academy of Sciences, Institute of Entomology Branišovská 31 370 05 České Budějovice Czech Republic
- Faculty of Science, University of South Bohemia Branišovská 1760 370 05 České Budějovice Czech Republic
| | - František Marec
- Biology Centre of the Czech Academy of Sciences, Institute of Entomology Branišovská 31 370 05 České Budějovice Czech Republic
| | - Mikuláš Oros
- Institute of Parasitology, Slovak Academy of Sciences Hlinkova 3 040 01 Košice Slovakia
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