Morphological and molecular redescription of the myxozoan Unicapsula pflugfelderi Schubert, Sprague & Reinboth 1975 from two teleost hosts in the Mediterranean. A review of the genus Unicapsula Davis 1924

Elongate plasmodia with myxosporean spores belonging to the genus Unicapsula, Davis, 1924 were found in the skeletal muscle of the striped seabream, Lithognathus mormyrus (L.), a candidate for the mediterranean aquaculture. The only species of Unicapsula described from the Mediterranean is Unicapsul...

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Veröffentlicht in:Journal of fish diseases. - 1998. - 32(2009), 4 vom: 15. Apr., Seite 335-50
1. Verfasser: Alama-Bermejo, G (VerfasserIn)
Weitere Verfasser: Cuadrado, M, Raga, J A, Holzer, A S
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2009
Zugriff auf das übergeordnete Werk:Journal of fish diseases
Schlagworte:Journal Article Research Support, Non-U.S. Gov't RNA, Ribosomal, 18S RNA, Ribosomal, 28S DNA Gyrase EC 5.99.1.3
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245 1 0 |a Morphological and molecular redescription of the myxozoan Unicapsula pflugfelderi Schubert, Sprague & Reinboth 1975 from two teleost hosts in the Mediterranean. A review of the genus Unicapsula Davis 1924 
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520 |a Elongate plasmodia with myxosporean spores belonging to the genus Unicapsula, Davis, 1924 were found in the skeletal muscle of the striped seabream, Lithognathus mormyrus (L.), a candidate for the mediterranean aquaculture. The only species of Unicapsula described from the Mediterranean is Unicapsula pflugfelderi Schubert et al. 1975, which occurs in the picarel, Spicara smaris (L.). For morphological and molecular comparison of U. pflugfelderi from S. smaris with Unicapsula sp. from L. mormyrus measurements of plasmodia and spores, ultrastructural details and 18S and 28S rDNA sequences were analysed. Whereas plasmodia were 2-3 times larger in S. smaris than in L. mormyrus (length 2.47-0.81 mm; width 0.22-0.09 mm; P = 0.000), spore morphology showed minor differences and both 18S and 28S rDNA sequences were 100% identical identifying the myxozoan as U. pflugfelderi. Scanning electron microscopy of the spores revealed a different shell valve distribution than the one used for the diagnosis of the genus Unicapsula. This resulted in a review of the genus Unicapsula dividing it into two morphological groups of different spore valve arrangement. TEM revealed the presence of a yet undescribed crystalline structure in the sporoplasm of the spores 
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700 1 |a Cuadrado, M  |e verfasserin  |4 aut 
700 1 |a Raga, J A  |e verfasserin  |4 aut 
700 1 |a Holzer, A S  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Journal of fish diseases  |d 1998  |g 32(2009), 4 vom: 15. Apr., Seite 335-50  |w (DE-627)NLM098166034  |x 1365-2761  |7 nnns 
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