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首页> 外文期刊>Parasitology Research >Factors affecting sporoplasm release in Kudoa septempunctata
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Factors affecting sporoplasm release in Kudoa septempunctata

机译：影响七彩假花孢子体释放的因素

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摘要

The myxosporean parasite Kudoa septempunctata has been isolated from cultured olive flounder (Paralichthys olivaceus) and was recently identified as a cause of food poisoning in humans. Since the sporoplasm plays an important role in causing diarrhea by invading intestinal cells, the specific factors affecting the release of sporoplasm from spores should be determined. Thus, we investigated the effect of digestive and serum enzymes, fetal bovine serum (FBS), temperature, and the role of glucose in cell culture media on the release of sporoplasm. Sporoplasm release was observed in the groups treated with FBS and media containing glucose. In addition, 1,10-phenanthroline inhibited the release of sporoplasm in the FBS medium. These results indicate that K. septempunctata uses glucose for releasing its sporoplasm and that zinc or metalloprotease is related to the release mechanism. The present study provides important information for the development of agents to prevent sporoplasm release and the consequent food poisoning caused by K. septempunctata.
机译：已从培养的比目鱼（Paralichthys olivaceus）中分离出了粘孢子虫寄生的Kudoa septempunctata，最近发现它是导致人类食物中毒的原因。由于孢子质在入侵肠道细胞引起腹泻中起着重要作用，因此应确定影响孢子从孢子中释放的具体因素。因此，我们调查了消化酶和血清酶，胎牛血清（FBS），温度以及细胞培养基中葡萄糖在孢子质释放中的作用。在用FBS和含葡萄糖培养基处理的组中观察到了孢子质释放。此外，1,10-菲咯啉可抑制FBS培养基中子质的释放。这些结果表明，S.temptempunctata使用葡萄糖释放其孢子质，并且锌或金属蛋白酶与释放机理有关。本研究为开发预防孢子虫释放和随后由K. septempunctata引起的食物中毒提供重要信息。

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