Characterization of Filisoma argusum n. sp. (Acanthocephala: Cavisomatidae Meyer, 1932) infecting the spotted scat, Scatophagus argus (Linnaeus, 1766) from the Indian coast

Kaur, Pinky; Shamal, P.; Chandran, Archana; Sharma, S R Krupesha; Sanil, N K

doi:10.1007/s00436-021-07207-7

Cited by 2 publications

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“…The universal molecular marker ‘DNA barcoding’ (a fragment of the mitochondrial cytochrome C oxidase subunit I gene [ =mtDNA COI region barcoding, henceforth referred to as barcoding] [Hebert et al 2003]), together with morphological evidence, has been used for the identification and discovery of new species of acanthocephalans from marine teleosts (e.g., Braicovich et al 2014; Lisitsyna et al 2015, 2019a, b; Amin et al 2019; Huston and Smales 2021; Kaur et al 2021). However, barcoding data from Isthmosacanthidae acanthocephalans are scarce (Huston et al 2020a, b; Huston and Smales 2020, 2021).…”

Section: Introductionmentioning

confidence: 99%

Integrative taxonomy of Serrasentis gibsoni n. sp. (Acanthocephala: Isthmosacanthidae) from flatfishes in the Gulf of Mexico

Martínez-Aquino,

García-Teh,

Ceccarelli

et al. 2023

J. Helminthol.

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The Isthmosacanthidae acanthocephalan species of the genus Serrasentis are parasites of marine teleosts and an elasmobranch. In this study, Serrasentis gibsoni n. sp. is described from the intestines of four flatfish species (Paralichthyidae), namely Ancyclopsetta quadrocellata, Cyclopsetta chittendeni, Syacium gunteri, and S. papillosum from 10 oceanic sites in the Gulf of Mexico (GoM). Twenty sequences of the ‘barcoding’ region of cytochrome C oxidase subunit I gene were obtained from 20 adults of Serrasentis gibsoni n. sp. Additionally, five sequences of the barcoding region were obtained from five adults of rhadinorhynchid Gorgorhynchus lepidus from C. chittendeni, S. papillosum and one species of Haemulidae, Haemulom aurolineatum, from five oceanic sites from the GoM. Two phylogenetic approaches were followed: Bayesian inference and maximum likelihood. In both phylogenetic reconstructions, the sequences of Serrasentis gibsoni n. sp. were recovered as a monophyletic group within the genus Serrasentis and placed as a sister group to G. lepidus. However, due to the lack of molecular data for species of the Isthmosacanthidae and Rhadinorhynchidea, these phylogenetic inferences must be taken with caution. Serrasentis gibsoni n. sp. is the first species of Serrasentis described from Paralichthyidae flatfish species from marine waters of the Americas and from the GoM. Based on the barcoding data set analyzed, Serrasentis gibsoni n. sp. appears to have high intraspecific genetic variation; thus, it is necessary to continue exploring the genetic diversity of this species to infer its intraspecific evolutionary patterns.

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