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首页> 外文期刊>Zoological Science >The Defensive Function of Trichocysts in Paramecium tetraurelia Against Metazoan Predators Compared with the Chemical Defense of Two Species of Toxin-containing Ciliates
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The Defensive Function of Trichocysts in Paramecium tetraurelia Against Metazoan Predators Compared with the Chemical Defense of Two Species of Toxin-containing Ciliates

机译：与两种含毒素纤毛虫的化学防御作用相比，四脲草履虫中的毛囊对子生食肉动物的防御功能

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摘要

The time-honored assumption about the defensive function of trichocysts in Paramecium against predators was recently verified experimentally against different species of unicellular predators. In the present study, we examined the defensive function of trichocysts against three metazoan predators, Cephalodella sp. (Rotifera), Eucypris sp. (Arthropoda), and Stenostomum sphagnetorum (Platyhelminthes). The results confirmed the defensive function of trichocysts against two of these metazoan predators (Cephalodella sp. and Eucypris sp.), while they seem ineffective against S. sphagnetorum. We also compared the defensive efficiency of the trichocysts of P. tetraurelia with that of toxin-containing extrusomes of two ciliates.
机译：关于草履虫中毛囊的防御功能对动物的防御功能的历史悠久的假设最近通过实验针对不同种类的单细胞掠食者进行了验证。在本研究中，我们检查了毛囊虫对三种后生天敌掠夺者Cephalodella sp。的防御功能。 （轮虫），Eucypris sp.。 （节肢动物）和Stenostomum sphagnetorum（Platyhelminthes）。结果证实了毛囊虫对这些后生天敌中的两个掠食者（头孢藻和Eucypris菌）的防御功能，而它们似乎对S. sphagnetorum无效。我们还比较了四脲假单胞菌的毛囊的防御效率与两个纤毛虫的含毒素挤出物的防御效率。

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