Anisakid nematodes in Trichiurus lepturus and Saurida undosquamis (Teleostea) from the South-West Indian Ocean: Genetic evidence for the existence of sister species within Anisakis typica (s.l.), and food-safety considerations

Cipriani, Paolo; Giulietti, Lucilla; Shayo, Salome Daniel; Storesund, Julia E.; Bao, Miguel; Palomba, Marialetizia; Mattiucci, Simonetta; Levsen, Arne

doi:10.1016/j.fawpar.2022.e00177

Cited by 8 publications

(11 citation statements)

References 105 publications

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“…(see Supplementary file: Table S1 , and further comments at discussion section). In addition, the ITS sequence of a P. ceticola larva from the Tanzanian fish Saurida undosquamis (ON128286) 19 was 100% identical. Sequences of the presently identified P. ceticola L3 were deposited in GenBank with the accession numbers (ITS: OP352234- OP352246) and ( cox 2: OP380493-OP380510) (see also Supplementary file: Table S2 ).…”

Section: Resultsmentioning

confidence: 98%

“…Pseudoterranova ceticola larva in the deep-water shark Centrophorus squamosus taken off Madeira was also reported by Costa et al 62 , who identified it by ITS-RFLP but provided no sequence information. Recently, Cipriani et al identified a single P. ceticola larva from the reef-associated fish S. undosquamis caught between 100–600 m depth off the coast of Tanzania, by sequencing analysis of the ITS rDNA and mtDNA cox 2 sequences 19 . Most recently, a single P. ceticola larva from the scombrid fish K. pelamis was also identified in Japan 21 .…”

Section: Discussionmentioning

confidence: 99%

“…paggiae* KF693770 AV60.8 Adult Kogia sima Brazil Di Azevedo et al 87 Anisakis sp. n. 1 KMAQ-2013 isolate 2 KF214801 2 Adult Mesoplodon hotaula Philippine Quiazon et al 88 Pseudoterranova ceticola DQ116435 Kogia breviceps Caribbean Sea Valentini et al 53 Pseudoterranova ceticola ON155434 SU6V1cet L3 Saurida undosquamis Tanzania Cipriani et al 19 Pseudoterranova ceticola LC712859 R2 L3 Katsuwonus pelamis Japan:Mie, off Kumano Takano & Sata 21 Pseudoterranova decipiens s. s MT347695 Pd03 L3 Gadus morhua Lofoten (Norway) Bao et al 89 Pseudoterranova cattani KU558721 Otaria byronia Chile Liu et al 90 Pseudoterranova bulbosa KU558720 Erignathus barbatus Newfoundland …”

Section: Methodsmentioning

confidence: 99%

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Characterization of Pseudoterranova ceticola (Nematoda: Anisakidae) larvae from meso/bathypelagic fishes off Macaronesia (NW Africa waters)

Bao

Olsen

Levsen

et al. 2022

Sci Rep

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The genus Pseudoterranova includes parasite species of cetaceans and pinnipeds. The third stage larva (L3) of seal-infecting species occur in second intermediate or paratenic fish hosts mainly in neritic waters. This study firstly describes a Pseudoterranova L3 from meso/bathypelagic fishes off Macaronesia. L3s were morphologically and genetically studied by light microscopy and sequencing of the mtDNA cox2 and entire ITS rDNA genes. Bayesian inferences were performed with sequences from the larvae and selected sequences from GenBank. The nematode L3s were molecularly identified as Pseudoterranova ceticola, a parasite of kogiid whales. Such larvae were collected from Bolinichthys indicus, Chauliodus danae, Eupharynx pelecanoides, Diaphus rafinesquii, D. mollis, Diretmus argenteus and Maulisia argipalla. They mainly occurred in the viscera of these fishes. Pseudoterranova ceticola L3 were small (< 12 mm) and whitish, and a prominent characteristic is a circumoral ridge extending from the ventral boring tooth which differentiate them from Pseudoterranova spp. L3 maturing in pinnipeds and Terranova sensu lato larvae that mature in poikilotherms. The shape of the tail: conical, long, pointed, ventrally curved and lacking mucron also distinguish these larvae from those of the pinniped-infecting Pseudoterranova spp. Phylogenetic analyses based on mtDNA cox2 and ITS rDNA sequences suggest that P. ceticola is closely related to Skrjabinisakis spp., and not with Pseudoterranova spp. parasitizing pinnipeds. The related species Skrjabinisakis paggiae, S. brevispiculata and S. physeteris (until recently belonging to genus Anisakis), are as P. ceticola also parasites of physeteroid cetaceans. The morphology and morphological variation of the larvae of the cetacean parasite P. ceticola is thoroughly described for the first time. These L3 can readily be morphologically distinguished from those of the pinniped-infecting Pseudoterranova spp. The parasite likely completes its life cycle in the mesopelagic and bathypelagic realm, with meso/bathypelagic fish as 2nd intermediate or paratenic hosts and kogiids as final host. Thus, Pseudoterranova from cetaceans appear to be morphologically, genetically, and ecologically differentiated to those from pinnipeds, suggesting that they are not congeneric.

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Section: Resultsmentioning

confidence: 98%

Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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Characterization of Pseudoterranova ceticola (Nematoda: Anisakidae) larvae from meso/bathypelagic fishes off Macaronesia (NW Africa waters)

Bao

Olsen

Levsen

et al. 2022

Sci Rep

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“…(Diesing, 1860) (e.g. Mattiucci et al , 2018 b ; Levsen et al , 2018 a ; Cipriani et al , 2022 a ). In contrast, there is evidence that the L3 stages of Hysterothylacium and some anisakid species (i.e.…”

Section: What Are the Most Reported Tths From Organisms Of Mid-high T...mentioning

confidence: 99%

“…An additional anisakid taxon that appears to meet the aforementioned indicator criteria is A. typica (s.l.). Initially genetically characterized in Central Atlantic waters (Brazilian coast) and from Indian Ocean (Mattiucci et al , 2002), this morphospecies has recently been recognized as a complex of sibling species, as inferred from genetic and molecular markers (see Cipriani et al , 2022 a ). In fact, 2 distinct sister species, provisionally designated as A. typica sp.…”

Section: What Are the Most Reported Tths From Organisms Of Mid-high T...mentioning

confidence: 99%

An update and ecological perspective on certain sentinel helminth endoparasites within the Mediterranean Sea

Palomba,

Marchiori,

Tedesco

et al. 2023

Parasitology

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The Mediterranean Sea is recognized as a marine biodiversity hotspot. This enclosed basin is facing several anthropogenic-driven threats, such as seawater warming, pollution, overfishing, bycatch, intense maritime transport and invasion by alien species. The present review focuses on the diversity and ecology of specific marine trophically transmitted helminth endoparasites (TTHs) of the Mediterranean ecosystems, aiming to elucidate their potential effectiveness as ‘sentinels’ of anthropogenic disturbances in the marine environment. The chosen TTHs comprise cestodes and nematodes sharing complex life cycles, involving organisms from coastal and marine mid/upper-trophic levels as definitive hosts. Anthropogenic disturbances directly impacting the free-living stages of the parasites and their host population demographies can significantly alter the distribution, infection levels and intraspecific genetic variability of these TTHs. Estimating these parameters in TTHs can provide valuable information to assess the stability of marine trophic food webs. Changes in the distribution of particular TTHs species can also serve as indicators of sea temperature variations in the Mediterranean Sea, as well as the bioaccumulation of pollutants. The contribution of the chosen TTHs to monitor anthropogenic-driven changes in the Mediterranean Sea, using their measurable attributes at both spatial and temporal scales, is proposed.

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Low prevalence of Contracaecum third-stage larvae parasitizing Sea of Galilee fisheries: 1-year survey after 57 years of no information

Davidovich,

Tedesco,

Caffara

et al. 2023

Food and Waterborne Parasitology

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Anisakid nematodes in Trichiurus lepturus and Saurida undosquamis (Teleostea) from the South-West Indian Ocean: Genetic evidence for the existence of sister species within Anisakis typica (s.l.), and food-safety considerations

Cited by 8 publications

References 105 publications

Characterization of Pseudoterranova ceticola (Nematoda: Anisakidae) larvae from meso/bathypelagic fishes off Macaronesia (NW Africa waters)

Characterization of Pseudoterranova ceticola (Nematoda: Anisakidae) larvae from meso/bathypelagic fishes off Macaronesia (NW Africa waters)

An update and ecological perspective on certain sentinel helminth endoparasites within the Mediterranean Sea

Low prevalence of Contracaecum third-stage larvae parasitizing Sea of Galilee fisheries: 1-year survey after 57 years of no information

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