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Morphological and Molecular Characterization of Aggregata spp. Frenzel 1885 (Apicomplexa: Aggregatidae) in Octopus vulgaris Cuvier 1797 (Mollusca: Cephalopoda) from Central Mediterranean

AuthorsTedesco, Perla; Gestal, C. ; Begic, Kristina; Mladineo, Ivona; Castellanos-Martínez, Sheila ; Catanese, Gaetano; Terlizzi, Antonio; Fiorito, G.
KeywordsOctopus vulgaris
Aggregata octopiana
Mediterranean Sea
Issue Date2017
CitationProtist 168(5): 636-648 (2017)
AbstractCoccidian parasites of the genus Aggregata are known to parasitize cephalopods as definitive hosts, however one of the genus members, A. octopiana, has shown an unresolved phylogeny within the same definitive host, the common octopus (Octopus vulgaris). Our study represents a large-scale investigation aimed at characterizing morphological traits and phylogeny of A. octopiana isolated from O. vulgaris inhabiting three distinct geographic areas of the central Mediterranean: The Adriatic, Ionian and Tyrrhenian Seas. The morphology of sporogonic stages of the parasite in octopus tissues was assessed by light and electron microscopy; molecular characterization has been carried out using the 18S rRNA locus. Our results support the hypothesis that two morphologically and genetically different A. octopiana infect O. vulgaris in the investigated areas of the Mediterranean Sea. Additional nuclear and mitochondrial markers for Aggregata should provide further information and better resolution of its phylogeny
Description13 pages, 6 figures, 2 tables
Publisher version (URL)https://doi.org/10.1016/j.protis.2017.08.002
Appears in Collections:(IIM) Artículos
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