ArticleScientific reports2021
Insights into the role of deep-sea squids of the genus Histioteuthis (Histioteuthidae) in the life cycle of ascaridoid parasites in the Central Mediterranean Sea waters.
Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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16 citing papers in PubMed, 31 citations in OpenAlex.
- Determinants of Ascaridoid Nematode Infection and Anisakis-Related Zoonotic Exposure Risk in Eastern Mediterranean Gadiformes Fishes.Transboundary and emerging diseases · 2026Article
- Nematode Infections in Commercially Important Squid Species: Distribution Patterns and Food Safety Issues.Zoonoses and public health · 2025Article
- Article
- Anisakidae and Anisakidosis: A Public Health Perspective.Pathogens (Basel, Switzerland) · 2025Review
- ERGA-BGE genome ofOpen research Europe · 2025Article
- Detection and Characterization of Visceral Anisakid Nematodes in Blue Whiting from Portuguese Waters.Foods (Basel, Switzerland) · 2024Article
- Anisakid Presence in the European Conger,Pathogens (Basel, Switzerland) · 2023Article
- An update and ecological perspective on certain sentinel helminth endoparasites within the Mediterranean Sea.Parasitology · 2023Review
- Ascaridoid parasites in European sardine throughout the annual cycle: Variability in parasitic load according to host stock features.International journal for parasitology. Parasites and wildlife · 2023Article
- Proteomic characterization of extracellular vesicles released by third stage larvae of the zoonotic parasiteFrontiers in cellular and infection microbiology · 2023Article
- Distribution and genetic diversity of Anisakis spp. in cetaceans from the Northeast Atlantic Ocean and the Mediterranean Sea.Scientific reports · 2022Article
- Drivers of parasite communities in three sympatric benthic sharks in the Gulf of Naples (central Mediterranean Sea).Scientific reports · 2022Article
- Ascaridoid nematodes infecting commercially important marine fish and squid species from Bangladesh waters in the Bay of Bengal.Food and waterborne parasitology · 2022Article
- Proteomic Profiling and In Silico Characterization of the Secretome ofPathogens (Basel, Switzerland) · 2022Article
- Molecular identification and epidemiological data ofInternational journal for parasitology. Parasites and wildlife · 2021Article
- A molecular and ecological study ofEcology and evolution · 2021Article
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Ascaridoid nematodes comprise a wide range of heteroxenous parasites infecting top fish predators and marine mammals as definitive hosts, with crustaceans, squids, and fishes acting as intermediate/paratenic hosts. Limited data exist on the species and role of several intermediate and paratenic hosts in the life cycle of these parasites. In the aim of adding knowledge on the role of squid species in their life cycle, we have here investigated the larval ascaridoid nematodes collected from the deep-sea umbrella squid Histioteuthis bonnelli and the reverse jewel squid Histioteuthis reversa captured in the Central Mediterranean Sea (Tyrrhenian Sea). Morphological study and sequence analysis of the internal transcribed spacer (ITS) regions of the ribosomal DNA (rDNA) and the mitochondrial cytochrome c oxidase subunit 2 (mtDNA cox2) gene locus revealed the occurrence of Anisakis physeteris and of an unidentified species of the genus Lappetascaris. Sequence analysis revealed that specimens of Lappetascaris from both squid species matched at 100% sequences previously deposited in GenBank from larval ascaridoids collected in octopuses of the genus Eledone of the Mediterranean Sea. The Bayesian inference tree topology obtained from the analysis of the fragments amplified showed that Lappetascaris specimens were included in a major clade comprising Hysterothylacium species collected in fishes of the families Xiphiidae and Istiophoridae. As regards the site of infection in the squid host species, A. physeteris larvae predominated (60.7%) in the gonads, while those of Lappetascaris (76.3%) were found infecting the mantle musculature. The overall high values of parasitic load suggest both squid species as transmitting hosts of third stage larvae of Lappetascaris to top predator fishes, as well as the umbrella squid as an intermediate/paratenic host in the life cycle of A. physeteris in the Mediterranean Sea.
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