التفاصيل البيبلوغرافية
| العنوان: |
New molecular evidence on the members of the genus Ortholinea (Cnidaria, Myxozoa) and the description of Ortholinea hamsiensis n. sp. infecting the urinary bladder of European anchovy Engraulis engrasicolus in the Black Sea. |
| المؤلفون: |
Okkay, Sevilay, Gürkanlı, Cem Tolga, Çiftçi, Yılmaz, Özer, Ahmet |
| المصدر: |
Parasitology; Apr2024, Vol. 151 Issue 5, p485-494, 10p |
| مصطلحات موضوعية: |
ENGRAULIS encrasicolus, BLADDER, MYXOZOA, MARINE fishes, CNIDARIA, NEOGOBIUS |
| مستخلص: |
Members of the genus Ortholinea are among the worldwide distributed myxozoan parasites that mainly infect marine fish. In this study, a new myxosporean species, Ortholinea hamsiensis n. sp., was isolated from the urinary bladder of European anchovy Engraulis engrasicolus collected from the Sinop coasts of the Black Sea. The prevalence and density values of infection were 1.4% and 1–5 individuals in the field of view (1 +), respectively. Mature myxospores are subspherical with slight tapering down to the less pronounced tip in the frontal view and subspherical in the sutural view. Myxospores measured 9.1 ± 0.25 (8.8–9.9) μ m in length, 9.2 ± 0.11 (8.9–9.4) μ m in thickness, and 8.4 ± 0.33 (8.2-9.1) μ m in width. Two polar capsules equal in size measured 3.1 ± 0.11 (3.0–3.3) μ m in length and 2.7 ± 0.11 (2.6–2.9) μ m in width. The polar tubule had 3–4 coils. Along with morphological peculiarities, the results of the 18S rDNA also revealed it to be a new species for science compared to the other species of the genus. In this study, another myxosporean species O. gobiusi was also detected in round goby Neogobius melanostomus with a prevalence of infection value of 4.8% and a density of 1–5 individuals in the field of view (1 +). The present study also provided the first data of 18S rDNA of O. gobiusi from N. melanostomus and type species of the genus O. divergens from Gobius niger and the phylogenetic relationships of these species with other Ortholinea species have been revealed. [ABSTRACT FROM AUTHOR] |
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