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Morphological and molecular descriptions of Sphaeromyxa sevastopoli (Cnidaria) from host fishes from Sinop on the Black Sea coast.
Parasitology Research ( IF 2 ) Pub Date : 2020-06-12 , DOI: 10.1007/s00436-020-06740-1
S Okkay 1, 2 , C T Gürkanlı 3 , Y Çiftçi 3 , V Yurakhno 4 , A Özer 1
Affiliation  

Members of the genus Sphaeromyxa Thélohan, 1892 have been reported from a wide variety of fish species worldwide. In the present study, specimens of rusty blenny, Parablennius sanguinolentus, collected from Sinop on the Turkish Black Sea coast were investigated for myxosporean parasites by using both conventional and molecular methods. Sphaeromyxa sevastopoli Naidenova 1970 was the only myxosporean parasite found in the gall bladder of host fishes. The morphology peculiarities of obtained S. sevastopoli spores are in good agreement with those of original description and the morphometric data overlapped in spore length and width but differed in polar capsule length and width; however, they were within the ranges previously reported from 18 host fish species. Moreover, in the present study, molecular analysis of the 18S rDNA gene of S. sevastopoli isolate in our P. sanguinolentus as well as isolates from shore rockling Gaidropsarus mediterraneus and knout goby Mesogobius batrachocephalus which were previously morphologically identified and reported by Okkay and Özer (Acta Zool Bulg 72(1):123–130, 2020) was done for the first time and our three S. sevastopoli genotypes were allocated to the “balbianii” group which is characterized by straight or slightly curved and fusiform or ovoid spores with ovoid polar capsules.



中文翻译:

黑海沿岸锡诺普河寄主鱼类的Sphaeromyxa sevastopoli(Cnidaria)的形态和分子描述。

据报道,全世界多种鱼类中都发现了SphaeromyxaThélohan属,1892年。在本研究中,使用常规方法和分子方法对从土耳其黑海沿岸锡诺普(Sinop)采集的生锈粘鱼标本(Parablennius sanguinolentus)的标本进行了调查。1970年,Sevaeromyxa sevastopoli Naidenova是在寄主鱼胆中发现的唯一粘孢子虫。获得的塞瓦斯托波尔链霉菌的形态特征孢子与原始描述的孢子非常吻合,形态学数据在孢子的长度和宽度上重叠,但在极性囊的长度和宽度上有所不同。但是,它们在先前报道的18种寄主鱼类的范围内。此外,在本研究中,的18S rDNA的基因的分子分析S. sevastopoli分离物在我们的P. sanguinolentus以及来自地中海三须鳕分离Gaidropsarus mediterraneus和鞭子虾虎鱼Mesogobius batrachocephalus这在以前形态识别和Okkay和ÖZER(报告动物学报Acta Zool Bulg 72(1):123–130,2020)首次完成,我们的三个S. sevastopoli 将基因型分配给“ balbianii”组,其特征是笔直的或略微弯曲的以及梭形或卵圆形的孢子,卵圆形的极性囊。

更新日期:2020-06-12
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