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Morphological, histological and molecular characterization of Myxidium cf. rhodei infecting the kidney of Rutilus rutilus.
Diseases of Aquatic Organisms ( IF 1.4 ) Pub Date : 2020-09-17 , DOI: 10.3354/dao03514
Marina Dashi-Dorjievna Batueva 1 , Xiaoyi Pan , Jinyong Zhang , Xinhua Liu , Wu Wei , Yang Liu
Affiliation  

ABSTRACT: In the present study, we provide supplementary data for Myxidium cf. rhodei Léger, 1905 based on morphological, histological and molecular characterization. M. cf. rhodei was observed in the kidneys of 918 out of 942 (97%) roach Rutilus rutilus (Linnaeus, 1758). Myxospores of M. cf. rhodei were fusiform with pointed ends, measuring 12.7 ± 0.1 SD (11.8-13.4) µm in length and 4.6 ± 0.1 (3.8-5.4) µm in width. Two similar pear-shaped polar capsules were positioned at either ends of the longitudinal axis of the myxospore: each of these capsules measured 4.0 ± 0.1 (3.1-4.7) µm in length and 2.8 ± 0.1 (2.0-4.0) µm in width. Polar filaments were coiled into 4 to 5 turns. Approximately 18-20 longitudinal straight ridges were observed on the myxospore surface. The suture line was straight and distinctive, running near the middle of the valves. Histologically, the plasmodia of the present species were found in the Bowman’s capsules, and rarely in the interstitium of the host. Phylogenetic analysis revealed that M. cf. rhodei was sister to M. anatidum in the Myxidium clade including most Myxidium species from freshwater hosts.

中文翻译:

霉菌的形态,组织学和分子表征 罗迪氏菌感染了util鱼的肾脏。

摘要:在本研究中,我们提供了Myxidium cf.的补充数据。RhodeiLéger,1905年基于形态学,组织学和分子表征。M.比照 在942只中有918只(97%)蟑螂Rutilus rut​​ilus(Linnaeus,1758)的肾脏中观察到了得岛。的粘孢子M.罗地呈梭形,末端尖,长12.7±0.1 SD(11.8-13.4)µm,宽4.6±0.1(3.8-5.4)µm。将两个类似的梨形极性胶囊放置在粘孢子纵轴的两端:每个胶囊的长度为4.0±0.1(3.1-4.7)µm,宽度为2.8±0.1(2.0-4.0)µm。将极丝缠绕成4至5匝。在粘孢子表面上观察到大约18-20个纵向直脊。缝合线笔直且独特,在瓣膜中间附近延伸。从组织学上看,本种的浆原体在鲍曼氏囊中发现,很少在宿主间质中发现。系统发育分析表明,M.罗德(Rhodei)凤梨M. anatidum)的姐姐Myxidium进化枝中,包括大多数淡水寄主的Myxidium种类。
更新日期:2020-09-18
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