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Title: 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)
Author: Miquel Colomé, Jordi
Kacem, Hichem
Baz-González, Edgar
Foronda, Pilar
Marchand, Bernard
Keywords: Microsporidis
Issue Date: 1-Feb-2022
Publisher: EDP Sciences
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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It is part of: Parasite, 2022, vol. 29, num. 2, p. 1-16
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ISSN: 1252-607X
Appears in Collections:Articles publicats en revistes (Biologia, Sanitat i Medi Ambient)

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