Morphological variability, ultrastructure and molecular characterisation of Hysterothylacium reliquens (Norris & Overstreet, 1975) (Nematoda: Raphidascarididae) from the oriental sole Brachirus orientalis (Bloch & Schneider) (Pleuronectiformes: Soleidae).

  title={Morphological variability, ultrastructure and molecular characterisation of Hysterothylacium reliquens (Norris \& Overstreet, 1975) (Nematoda: Raphidascarididae) from the oriental sole Brachirus orientalis (Bloch \& Schneider) (Pleuronectiformes: Soleidae).},
  author={Jin-yu Zhao and Wen-Ting Zhao and A. H. Ali and Hui-Xia Chen and L. Li},
  journal={Parasitology international},
  volume={66 1},
Hysterothylacium reliquens (Norris & Overstreet, 1975), a common ascaridoid nematode parasitic in the marine fishes in the Indian and Atlantic Oceans, has been reported to exhibit remarkable morphological variability in the lengths of body, oesophagus and spicules, and the number and arrangement of postcloacal papillae. In order to determine whether H. reliquens with a broad range of morphological variability in the above-mentioned respects, represents a complex of sibling species or a single… Expand
Morphological and genetic characterization of Porrocaecum angusticolle (Molin, 1860) (Nematoda: Ascaridomorpha) from the common buzzard Buteo buteo (Linnaeus) (Accipitriformes: Accipitridae) in Czech Republic.
  • Ning Guo, J. Sitko, Hui-Xia Chen, Liang Li
  • Medicine
  • Parasitology international
  • 2021
The molecular evidence supported the validity of both P. angusticolle and P. depressum and the newly obtained genetic data are helpful for further studies of DNA-based taxonomy, population genetics and phylogeny of the genus of Porrocaecum. Expand
Morphological and molecular characterization of Seuratascaris numidica (Seurat, 1917) (Ascaridida: Ascarididae)
The present supplementary morphological and molecular data obtained herein is extremely important and useful to determine the morphological variability, population genetics and phylogenetic position of S. numidica in the future. Expand
Integrated evidence reveals a new species of Cosmocerca (Ascaridomorpha: Cosmocercoidea) from the Asiatic toad Bufo gargarizans Cantor (Amphibia: Anura)
Phylogenetic analyses using maximum likelihood (ML) inference based on the partial ITS and cox1 sequence data both supported the new species to be a member of the genus Cosmocerca, and formed a sister relationship to C. japonica. Expand
Morphological and molecular characterization of selected species of Hysterothylacium (Nematoda: Raphidascarididae) from marine fish in Iraqi waters
In this study three members of the genus Hysterothylacium collected from Khor Abdulla in Iraq are morphologically described, genetically characterized and their relationship with other closely related taxa are compared and discussed. Expand
Hysterothylacium Persicum (Nematoda: Raphidascarididae) Parasite of Orangespotted Grouper Epinephelus coioides (Forsskål, 1775) Iraqi Marine Water Fishes
The Epinephelus coioides is considered as a new host for Hysterothylacium persicum and a newly recorded in Iraqi marine water is considered. Expand
Identification and Molecular Characterization of Hysterothylacium ( Nematoda : Raphidascarididae ) Larvae in Bogue ( Boops boops L . ) from the Aegean Sea , Turkey
Hysterothylacium species are the most prevalent ascaridoid nematode reported from various freshwater, estuarial and marine fish species. However, there are very few studies about molecularExpand
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
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. Expand
Infection and molecular identification of ascaridoid nematodes from the important marine food fish Japanese threadfin bream Nemipterus japonicus (Bloch) (Perciformes: Nemipteridae) in China.
The present results indicate that RFLP analysis of ITS region, using the restriction enzymes HhaI and RsaI, represents a simple and practical method for large-scale surveys of Hysterothylacium for seafood industry. Expand
The hidden companion of non-native fishes in north-east Atlantic waters.
A tropicalization phenomenon of ichthyofauna has been described in the last decades in Galicia (north-eastern Atlantic), with increasing reports of tropical and subtropical fishes appearing northwardExpand
Morphological and molecular characterization of Seuratascaris numidica (Seurat, 1917) (Ascaridida: Ascarididae)
Seuratascaris numidica (Seurat, 1917) is a specialized nematode species parasitizing amphibians only. In the present study, the detailed morphology of this poorly known species was studied usingExpand


Genetic evidence for the existence of sibling species within Contracaecum rudolphii (Hartwich, 1964) and the validity of Contracaecum septentrionale (Kreis, 1955) (Nematoda: Anisakidae)
The results support the hypothesis that C. rudolphii represents a complex of at least two sibling species and provide support for the validity of C. septentrionale as a separate species. Expand
Description and genetic characterisation of Hysterothylacium (Nematoda: Raphidascarididae) larvae parasitic in Australian marine fishes.
Ten different morphotypes of Hysterothylacium from marine fishes were found and genetic characterisation implied that some distinct morphotypes belong to different developmental stages of the same species, and revealed that some morphotypes can comprise distinct genotypes. Expand
New insights into the morphology, molecular characterization and identification of Baylisascaris transfuga (Ascaridida, Ascarididae).
Following the diagnosis of Baylisascaris transfuga infestation in two captive polar bears, nematodes have been characterized by morphological and molecular methods to facilitate an accurate diagnosis of this little known nematode infestation and apply appropriate anthelmintic strategies. Expand
Morphological and molecular identification of Hysterothylacium longilabrum sp. nov. (Nematoda: Anisakidae) and larvae of different stages from marine fishes in the South China Sea
The third- and fourth-stage larvae of the new species are also exactly identified and described by analysing and comparing the ITS sequence with the adult, and the result is a substantial step toward elucidating its life cycle. Expand
Redescription, systematic status and molecular characterisation of Multicaecum heterotis Petter, Vassiliadès et Marchand, 1979 (Nematoda:Heterocheilidae), an intestinal parasite of Heterotis niloticus (Osteichthyes:Arapaimidae) in Africa.
Ascaridoid nematodes referable to Brevimulticaecum heterotis were recorded from the intestine of the African bonytongue, Heterotis niloticus (Cuvier) (Arapaimidae, Osteoglossiformes), from the Mare Simenti in the Niokolo Koba National Park, East Senegal and from Kosti, Sudan. Expand
SSCP-based identification of members within the Pseudoterranova decipiens complex (Nematoda: Ascaridoidea: Anisakidae) using genetic markers in the internal transcribed spacers of ribosomal DNA
The anisakid nematodes morphologically corresponding with Pseudoterranova decipiens sensu lato from different seal or sea lion hosts and geographical origins, previously identified as Pseudotorranova krabbei, were characterized using a DNA approach and should have important implications for studying the life-cycles, transmission patterns, epidemiology and population genetics of these anisaks. Expand
Hysterothylacium simile n. sp. and H. aduncum (Rudolphi, 1802) (Nematoda: Raphidascarididae) from marine fishes in the Bohai and Yellow Sea, China, with comments on the record of H. paralichthydis (Yamaguti, 1941) from Chinese waters
The new species differs from its congeners in the presence of narrow lateral alae originating a short distance posterior to the base of the ventrolateral lips, a long intestinal caecum, a relatively short ventricular appendix and the number and arrangement of caudal papillae. Expand
Anisakid nematodes (Nematoda: Anisakidae) from the marine fishes Plectropomus laevis Lacépède (Serranidae) and Sphyraena qenie Klunzinger (Sphyraenidae) off New Caledonia, including two new species of Hysterothylacium Ward & Magath, 1917
Two new species of Hysterothylacium Ward & Magath, 1917 are described from the digestive tract of perciform fishes off New Caledonia, one of which is mainly characterised by its large body and the presence of narrow lateral alae and the tail tip which lacks any distinct cuticular projections visible under the light microscope. Expand
Genetic evidence for two sibling species within Contracaecum ogmorhini Johnston & Mawson, 1941 (Nematoda: Anisakidae) from otariid seals of boreal and austral regions
Genetic variation of Contracaecum ogmorhini (sensu lato) populations from different otariid seals of the northern and southern hemisphere was studied on the basis of 18 enzyme loci as well asExpand
Genetic and morphological evidences for the existence of sibling species within Contracaecum rudolphii (Hartwich, 1964) (Nematoda: Anisakidae) in Australia
The aims of this study were to examine specimens of Contracaecum rudolphii from Australian hosts, both morphologically and genetically, based on the ITS-1 and ITS-2 sequence data, to provide aExpand