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Euplotes uncinatus (Ciliophora, Hypotrichia), a new species with zooxanthellae

机译:Euplotes uncinatus(Ciliophora,Hypotrichia),一种带有虫黄藻的新物种

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摘要

During the observations of a field collection of Maristentor dinoferus with fluorescence microscopy, we discovered a smaller ciliate with zooxanthellae. On the basis of morphological, morphometric and ultrastruc-tural characters, this ciliate has been recognized as a new species of the genus Euplotes. To emphasize the peculiar shape and extension of the right buccal margin, the species has been named Euplotes uncinatus sp. n. The most distinctive traits of E. uncinatus are the presence of mucocyst-like vesicles, a kind of extrusome not previously found in Euplotes, and the presence of zooxanthellae. Evidence from ciliate behavior and zooxanthellae ultrastructure make it very likely that the zooxanthellae are symbiotic, even though some are evidently consumed by the host.
机译:在用荧光显微镜观察野马里斯登氏菌的野外采集过程中,我们发现了带有虫黄藻的较小纤毛。根据形态学,形态学和超结构特征,该纤毛虫被认为是真木属的一个新物种。为了强调右颊缘的特殊形状和延伸,该种被命名为Eupplotes uncinatus sp。 。大肠埃希氏菌最独特的特征是存在像黏液囊样囊泡,一种在Euplotes中以前未发现的挤出物以及虫黄藻。纤毛虫行为和人畜黄藻超微结构的证据使人畜黄藻很可能是共生的,即使其中的一些明显被宿主吞噬了。

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