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2022-02-01

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cc-by (c) Miquel Colomé, Jordi et al., 2022
Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/183717

Ultrastructural and molecular study of the microsporidian Toguebayea baccigeri n. gen., n. sp., a hyperparasite of the digenean trematode Bacciger israelensis (Faustulidae), a parasite of Boops boops (Teleostei, Sparidae)

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https://doi.org/10.1051/parasite/2022007

Abstract

A new microsporidian Toguebayea baccigeri n. gen., n. sp., hyperparasite of Bacciger israelensis (Digenea, Faustulidae), parasite of Boops boops (Teleostei, Sparidae) is described by means of transmission electron microscopy. The phylogenetic analysis, based on the SSU rDNA gene, places the new species in the clade containing mainly crustacean-infecting microsporidia of the genus Cucumispora, within superclade V (Marinosporidia) sensu Vossbrinck et al., 2014. Mature spores of T. baccigeri are ovoid, uninucleated and measure 2.5 × 1.4 μm. The number of coils of the polar tube is 8-10. The polaroplast is composed of an external lamellar part and an internal vesicular or granular part. The main differences that distinguish the new genus and new species from the closely related microsporidia include hyperparasitism in a digenean host infecting a marine fish, the geographic distribution (coast of Tunisia), presence of one nucleus at all developmental stages, disporoblastic sporogony, and the absence of sporophorous vacuoles. Keywords: Bacciger israelensis; Digenea; Hyperparasite; Microsporidia; Phylogenetic analysis; Toguebayea baccigeri

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Microsporidis, Parasitologia, Filogènia

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Microsporidia, Parasitology, Phylogeny

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Articles publicats en revistes (Biologia, Sanitat i Medi Ambient)

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MIQUEL COLOMÉ, Jordi, et al. Ultrastructural and molecular study of the microsporidian Toguebayea baccigeri n. gen., n. sp., a hyperparasite of the digenean trematode Bacciger israelensis (Faustulidae), a parasite of Boops boops (Teleostei, Sparidae). Parasite. 2022. Vol. 29, num. 2, pags. 1-16. ISSN 1252-607X. [consulted: 15 of August of 2026]. Available at: https://hdl.handle.net/2445/183717

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