Host-parasite relationship of Ceratomyxa puntazzi n. sp (Myxozoa: Myxosporea) and sharpsnout seabream Diplodus puntazzo (Walbaum, 1792) from the Mediterranean with first data on ceratomyxid host specificity in sparids

Sparidae are economically important fishes to both, fisheries and aquaculture in the Mediterranean. Species diversification is an important strategy for the development of Mediterranean aquaculture. One of the species recently introduced is the sharpsnout seabream Diplodus puntazzo (Walbaum, 1792). During a parasitological study of fish from the Gulf of Valencia and the Mar Menor (Spain), myxozoan spores belonging to the genus Ceratomyxa were found in the gall bladder of D. puntazzo. A morphological description of the spores, which includes histology and transmission electron microscopy (TEM) as well as molecular (SSU ribosomal DNA) data resulted in the erection of a new species, Ceratomyxa puntazzi n. sp. A histopathological study of C puntazzi n. sp. infection in D. puntazzo showed that the parasite causes necrosis and loss of epithelial cells in the gall bladder, and provokes a pericholangitis in the liver tissue surrounding the bile ducts. Furthermore, molecular data obtained from C. puntazzi n. sp. and three other ceratomyxids from the closely related fish species Diplodus annularis L and Sparus aurata L which share the same habitat suggest that the genus Ceratomyxa is host-specific in sparids, which agrees with data previously obtained from Serranidae, Labridae and Pomacentridae, and that ceratomyxid species from sparids in the Mediterranean originated from a common ancestor. (C) 2011 Elsevier B.V. All rights reserved.

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Alama-Bermejo G. Raga J.A. y Holzer A.S. Host-parasite relationship of Ceratomyxa puntazzi n. sp (Myxozoa: Myxosporea) and sharpsnout seabream Diplodus puntazzo (Walbaum 1792) from the Mediterranean with first data on ceratomyxid host specificity in sparids. Elsevier B.V., 2011. https://doi.org/10.1016/j.vetpar.2011.05.012

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Resource type Article
Date of creation 2024-11-05
Date of last revision 2025-01-23
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Metadata identifier abd11d2c-6a1b-584c-afbe-67d67d68bfbd
Metadata language Spanish
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High-value dataset category Earth observation and environment
ISO 19115 topic category biota
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Name of the dataset creator Alama-Bermejo, G., Raga, J.A. y Holzer, A.S.
Name of the dataset editor Elsevier B.V.
Other identifier DOI: 10.1016/j.vetpar.2011.05.012
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Email of the dataset creator gema.alama@uv.es
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