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Description of a new Neoactinomyxum type actinosporean from the oligochaete Branchiura sowerbyi Beddard

文献类型： 外文期刊

作者： Xi, Bing Wen 1 ; Li, Peng 1 ; Liu, Qing Chun 3 ; Chen, Kai 1 ; Teng, Tao 1 ; Xie, Jun 1 ;

作者机构： 1.Chinese Acad Fishery Sci, Freshwater Fisheries Res Ctr, Key Lab Freshwater Fisheries & Germplasm Resource, Minist Agr, Wuxi 214081, Peoples R China

2.Nanjing Agr Univ, Wuxi Fishery Coll, Wuxi 210095, Peoples R China

3.Nanyang Med Coll, Nanyang 473061, Peoples R China

期刊名称：SYSTEMATIC PARASITOLOGY （ 影响因子：1.431； 五年影响因子：1.311 ）

ISSN： 0165-5752

年卷期： 2017 年 94 卷 1 期

页码：

收录情况： SCI

摘要： Actinosporean infection of oligochaetes living in the mud of a commercial gibel carp pond with myxosporean disease was studied. Six actinospore types were detected exclusively from the oligochaete Branchiura sowerbyi Beddard with very high prevalence (18%). Five out of the six types were identified as the same actinosporeans described in previous reports, the sixth actinosporean was identified as a new Neoactinomyxum type and described here based on morphological and molecular characterisation. Spore body of the actinospore was globular, much smaller than caudal processes. Three caudal processes were disc-like in apical view, hemispherical in side view, closer together and encircling the spore body. The number of sporoplasm cells was detected as eight in one specimen. The new actinosporean markedly differed from other Neoactinomyxum types in literature having much bigger caudal processes. DNA sequence analyses further confirmed the morphological identification, and revealed the actinosporean described here (KU641392) possessed less than 94% sequence similarity with myxozoans available in the GenBank database.

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