FIRST REPORTS OF LIGULA INTESTINALIS AND A SCHISTOCEPHALUS SP. INFECTING SMALL-BODIED FISH IN NEW BRUNSWICK, CANADA.
Cottus cognatus
Ligula intestinalis
Rhinichthys atratulus
Schistocephalus
Blacknose dace
Canada
Cestode
Plerocercoid
Slimy sculpin
Journal
The Journal of parasitology
ISSN: 1937-2345
Titre abrégé: J Parasitol
Pays: United States
ID NLM: 7803124
Informations de publication
Date de publication:
01 07 2023
01 07 2023
Historique:
pmc-release:
17
07
2024
medline:
19
7
2023
pubmed:
17
7
2023
entrez:
17
7
2023
Statut:
ppublish
Résumé
Morphological characteristics and DNA sequencing were used to identify plerocercoids of a Schistocephalus sp. infecting slimy sculpin (Cottus cognatus) from northern New Brunswick and plerocercoids of Ligula intestinalis infecting blacknose dace (Rhinichthys atratulus) in Fundy National Park (FNP, New Brunswick). To our knowledge, no previous publications documented either cestode from New Brunswick, Canada. Blacknose dace represent a new host record for L. intestinalis. Identifications were made based on the presence or absence of segmentation and sequencing partial nicotinamide adenine dinucleotide dehydrogenase subunit 1 (ND1; mitochondrial DNA) and/or partial cytochrome c oxidase subunit 1 (COI; mitochondrial DNA). Plerocercoids from blacknose dace in FNP were identified as Ligula intestinalis based on >99% nucleotide identity with COI for this species in the NCBI GenBank database. Plerocercoids in slimy sculpin from northern New Brunswick were identified as a Schistocephalus sp. based on high nucleotide identity with congenerics in the NCBI GenBank database. The absence of GenBank entries with sufficient high percent identity to our specimens, and potential species hybrids in this genus, prevents species-level identification of Schistocephalus sp. plerocercoids currently. The absence of previous documentation of these cestodes might reflect recent environmental change promoting the transmission of these parasites that can modulate host fish behavior, induce sterility of host fishes, and contribute to epizootics.
Identifiants
pubmed: 37458176
pii: 494293
doi: 10.1645/22-127
pmc: PMC10658873
doi:
Substances chimiques
DNA, Mitochondrial
0
Nucleotides
0
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
288-295Informations de copyright
© American Society of Parasitologists 2023.
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