Morphological and molecular characterization of a novel myxosporean parasite Myxobolus bejeranoi n. sp. (Cnidaria: Myxosporea) from hybrid tilapia in Israel
Jazyk angličtina Země Německo Médium print-electronic
Typ dokumentu časopisecké články
Grantová podpora
IS-4576-13
United States - Israel Binational Agricultural Research and Development Fund
47496
United States - Israel Binational Science Foundation
16-20744S
Czech Science Foundation
PubMed
29285565
DOI
10.1007/s00436-017-5725-2
PII: 10.1007/s00436-017-5725-2
Knihovny.cz E-zdroje
- Klíčová slova
- Israel aquaculture, Myxobolus, Myxosporea, Oreochromis hybrid, Pathogenic parasite, Tilapia,
- MeSH
- fylogeneze MeSH
- Myxobolus klasifikace genetika izolace a purifikace MeSH
- nemoci ryb parazitologie MeSH
- parazitární nemoci u zvířat parazitologie MeSH
- ribozomální DNA MeSH
- RNA ribozomální 18S genetika MeSH
- spory fyziologie MeSH
- svaly parazitologie MeSH
- Tilapia parazitologie MeSH
- žábry parazitologie MeSH
- zvířata MeSH
- Check Tag
- mužské pohlaví MeSH
- ženské pohlaví MeSH
- zvířata MeSH
- Publikační typ
- časopisecké články MeSH
- Geografické názvy
- Izrael MeSH
- Názvy látek
- ribozomální DNA MeSH
- RNA ribozomální 18S MeSH
Myxosporean infections can cause severe damage to commercially grown tilapia. Here, we report a novel myxosporean that was found in gills of Oreochromis aureus male × Oreochromis niloticus female, which is an important aquaculture tilapia hybrid in Israel. Three-month-old fish were found to have cysts located in gill muscle tissue, which were filled with both immature and mature spores. Affected fish displayed higher mortality rate. Spore dimensions (10.8 ± 0.7 μm length × 6.8 ± 0.6 μm width) and molecular characterization using 18S ribosomal DNA revealed that the unknown parasite belongs in the Myxobolus clade. Based on the infection site, spore morphology and molecular characterization, we describe this parasite as Myxobolus bejeranoi n. sp. (MF401455). Phylogenetic analysis showed that the new species is most closely related to two Myxobolus spp. from O. niloticus in Egypt and Ghana.
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