• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Journal of Parasitology >PROLIFERATIVE, PRESACCULAR STAGES OF TETRACAPSULOIDES BRYOSALMONAE (MYXOZOA: MALACOSPOREA) WITHIN THE INVERTEBRATE HOST FREDERICELLA SULTANA (BRYOZOA: PHYLACTOLAEMATA)
【24h】

PROLIFERATIVE, PRESACCULAR STAGES OF TETRACAPSULOIDES BRYOSALMONAE (MYXOZOA: MALACOSPOREA) WITHIN THE INVERTEBRATE HOST FREDERICELLA SULTANA (BRYOZOA: PHYLACTOLAEMATA)

机译：在无性寄主Sredana（BRYZOA：PHYLACTOLEMAEMATA）内繁殖的四环戊四烯酸单胞菌（粘液虫：疟原虫）的增殖性，前期

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Proliferative kidney disease (PKD), caused by the malacosporean parasite, Tetracapsuloides bryosalmonae, is a major disease of salmonid culture both in western Europe and North America. The fish are infected from spores that develop within freshwater bryozoans and are released into the water column. Although sporogenesis has been studied in the bryozoan host and occurs within sacs, the formation of these sacs from presaccular stages has only been hypothesized. Examination of infected bryozoans by using a range of techniques identified proliferating, presaccular amoeboid stages of T. bryosalmonae on the body wall of the bryozoan Fredericella sultana. These stages possessed unique electron-dense bodies and were observed as aggregating within the bryozoan metacoel, differentiating to form spore sacs. Spore sac growth was associated with the assimilation of the presaccular parasites rather than through cryptomitosis of sac mural cells. This sac formation through aggregation and assimilation suggests an intriguing mechanism by which T. bryosalmonae can cross-fertilize.
机译：疟疾孢子寄生虫（Tetracapsuloides bryosalmonae）引起的增生性肾脏疾病（PKD）是西欧和北美鲑鱼养殖的主要疾病。鱼被孢子感染，孢子在淡水苔藓动物体内生长，并释放到水柱中。尽管孢子发生已在苔藓宿主中研究并发生在囊内，但仅假设这些囊形成于囊前期。通过使用一系列技术检查受感染的苔藓动物，可鉴定出苔藓弗雷德里克菌（Fredericella sultana）体壁上的苔藓沙门氏菌的增殖性，囊前变形虫阶段。这些阶段具有独特的电子致密体，并被观察到在苔藓菌代谢层中聚集，分化形成孢子囊。孢子囊的生长与囊前寄生虫的同化有关，而不是与囊壁细胞的隐有丝分裂有关。这种通过聚集和同化作用形成的囊囊表明，苔藓沙门氏菌可以交叉受精的有趣机制。

著录项

相似文献

  • 外文文献
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号