First steps to understand the systematics of Echinorhynchidae Cobbold, 1876 (Acanthocephala), inferred through nuclear gene sequences

García-Varela, Martìn; Andrade-Gómez, Leopoldo

doi:10.1016/j.parint.2020.102264

Cited by 8 publications

(8 citation statements)

References 51 publications

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“…In the present mitogenomic phylogeny, P. bufonis clustered together with Cavisoma magnum , suggesting an affinity between Pseudoacanthocephalidae and Cavisomatidae. Our results agreed well with some recent phylogenetic studies based on nuclear gene sequences [ 16 , 75 ]. These indicated that the current classification of Echinorhynchida is based on unique combinations of characteristics, not shared derived features [ 13 ].…”

Section: Resultssupporting

confidence: 93%

“…Our phylogenetic results showed that the order Echinorhynchida is paraphyletic, which is consistent with previous molecular phylogenetic studies [ 12 , 14 , 28 , 30 , 69 ]. Furthermore, they supported the resurrection of Pseudoacanthocephalidae [ 16 ]. In the present mitogenomic phylogeny, P. bufonis clustered together with Cavisoma magnum , suggesting an affinity between Pseudoacanthocephalidae and Cavisomatidae.…”

Section: Resultsmentioning

confidence: 90%

“…Some previous studies have made efforts to establish a basic molecular phylogenetic framework for Acanthocephala using various nuclear sequence data and mitochondrial genes [ 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 ]. Recently, mitochondrial genomic data were used to infer the phylogenetic relationships of the higher taxa in Acanthocephala [ 15 , 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 ].…”

Section: Introductionmentioning

confidence: 99%

“…Later, two new families, namely Gymnorhadinorhynchidae and Spinulacorpidae, were erected [ 6 , 28 ]. Additionally, two families, Paracanthocephalidae and Pseudoacanthocephalidae, were resurrected [ 16 ]. However, the phylogenetic relationships of these families are still uncertain.…”

Section: Introductionmentioning

confidence: 99%

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Phylomitogenomic Analyses Provided Further Evidence for the Resurrection of the Family Pseudoacanthocephalidae (Acanthocephala: Echinorhynchida)

Zhao

Yang

Lü

et al. 2023

Animals

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The phylum Acanthocephala is an important monophyletic group of parasites, with adults parasitic in the digestive tracts of all major vertebrate groups. Acanthocephalans are of veterinary, medical, and economic importance due to their ability to cause disease in domestic animals, wildlife, and humans. However, the current genetic data for acanthocephalans are sparse, both in terms of the proportion of taxa surveyed and the number of genes sequenced. Consequently, the basic molecular phylogenetic framework for the phylum is still incomplete. In the present study, we reported the first complete mitochondrial genome from a representative of the family Pseudoacanthocephalidae Petrochenko, 1956. The mitogenome of Pseudoacanthocephalus bufonis (Shipley, 1903) is 14,056 bp in length, contains 36 genes (12 protein-coding genes (PCGs) (lacking atp8), 22 tRNA genes, and 2 rRNA genes (rrnL and rrnS)) and two non-coding regions (NCR1 and NCR2), and displayed the highest GC-skew in the order Echinorhynchida. Phylogenetic results of maximum likelihood (ML) and Bayesian inference (BI) using the amino acid sequences of 12 protein-coding genes in different models provided further evidence for the resurrection of the family Pseudoacanthocephalidae and also supported that the order Echinorhynchida is paraphyletic. A monophyletic clade comprising P. bufonis and Cavisoma magnum suggests a close affinity between Pseudoacanthocephalidae and Cavisomatidae. Our phylogenetic analyses also showed that Polymorphidae has a closer relationship with Centrorhynchidae than Plagiorhynchidae in the monophyletic order Polymorphida.

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Section: Resultssupporting

confidence: 93%

Section: Resultsmentioning

confidence: 90%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Phylomitogenomic Analyses Provided Further Evidence for the Resurrection of the Family Pseudoacanthocephalidae (Acanthocephala: Echinorhynchida)

Zhao

Yang

Lü

et al. 2023

Animals

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“…Currently, Palaeacanthocephala contains three orders, namely Echinorhynchida Southwell & Macfie, 1925, Heteromorphida Amin & Ha, 2008, and Polymorphida Petrochenko, 1956 (Amin, 2013). Palaeacanthocephalans are the most diverse, with approximately 470 species classified into 12 families (Pichelin & Cribb, 2001;Monks & Richardson, 2011;Smales, 2012;Amin, 2013;García-Varela & Andrade-Gómez, 2021;Kita et al 2023). The life cycle of acanthocephalans in this group is complex and diverse, including malacostracan crustaceans as intermediate hosts, and vertebrates as definitive hosts (Kennedy, 2006).…”

Section: Introductionmentioning

confidence: 99%

The white grunt, Haemulon plumierii (Lacepède, 1801) as paratenic and definitive host of two acanthocephalan species, with the description of a new species of Dollfusentis (Palaeacanthocephala: Leptohynchoididae) from the Yucatán Peninsula, Mexico

García-Varela,

Sereno-Uribe,

Solórzano-García

et al. 2024

J. Helminthol.

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Acanthocephalans are a group of obligate endoparasites that alternate between vertebrates and invertebrates to complete their life cycles. Occasionally, the same individual host acts as a definitive or paratenic host for different acanthocephalan species. In this study, acanthocephalans were sampled in marine fish in three localities of the Yucatán Peninsula; adults and cystacanths were recovered from the intestine and body cavity, respectively, of Haemulon plumierii from off the coast of Sisal, Yucatán. Ribosomal DNA sequences (small and large subunits) were used to test the phylogenetic position of the species of the genus Dollfusentis, whereas the mtDNA gene cox 1 was used for assessing species delimitation. The cox 1 analysis revealed an independent genetic lineage, which is recognized herein as a new species, Dollfusentis mayae n. sp. The new species is morphologically distinguished from the other six congeners by having a cylindrical proboscis armed with 22–25 longitudinal rows bearing 12 hooks each. The cystacanths were morphologically identified as Gorgorhynchus medius by having a cylindrical trunk covered with tiny irregular spines on the anterior region, and a cylindrical proboscis armed with 17–18 longitudinal rows of 21 hooks each; small and large subunit phylogenetic analyses yielded G. medius within the family Isthomosacanthidae, suggesting that Gorgorhynchus should be transferred to this family from Rhadinorhynchidae where it is currently allocated.

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Morphological and molecular characterization of a new species of the genus Echinorhynchus Zoega in Müller, 1776 (Acanthocephala: Echinorhynchidae) parasitizing the rock greenling Hexagrammos lagocephalus (Pallas) (Scorpaeniformes: Hexagrammidae) from eastern Hokkaido, Japan

Kita,

Kajihara

2023

Syst Parasitol

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First steps to understand the systematics of Echinorhynchidae Cobbold, 1876 (Acanthocephala), inferred through nuclear gene sequences

Cited by 8 publications

References 51 publications

Phylomitogenomic Analyses Provided Further Evidence for the Resurrection of the Family Pseudoacanthocephalidae (Acanthocephala: Echinorhynchida)

Phylomitogenomic Analyses Provided Further Evidence for the Resurrection of the Family Pseudoacanthocephalidae (Acanthocephala: Echinorhynchida)

The white grunt, Haemulon plumierii (Lacepède, 1801) as paratenic and definitive host of two acanthocephalan species, with the description of a new species of Dollfusentis (Palaeacanthocephala: Leptohynchoididae) from the Yucatán Peninsula, Mexico

Morphological and molecular characterization of a new species of the genus Echinorhynchus Zoega in Müller, 1776 (Acanthocephala: Echinorhynchidae) parasitizing the rock greenling Hexagrammos lagocephalus (Pallas) (Scorpaeniformes: Hexagrammidae) from eastern Hokkaido, Japan

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