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首页> 外文期刊>Comparative parasitology >New Data on Myxobolus enoblei (Cnidaria: Myxobolidae): A Parasite of Smallmouth Buffalo Ictiobus bubalus (Cypriniformes: Catostomidae)
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New Data on Myxobolus enoblei (Cnidaria: Myxobolidae): A Parasite of Smallmouth Buffalo Ictiobus bubalus (Cypriniformes: Catostomidae)

机译：Myxobolus Enoblei的新数据（CNIDaria：myxobolidae）：小茅茅斯水牛伊替替氏菌菌（Cypriniformes：catostomidae）的寄生虫

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摘要

Myxobolus enoblei has previously been reported from the gills of smallmouth buffalo, Ictiobus bubalus, although to date no supplemental molecular data are available. As such, identification is based solely on morphological characters, which can be ambiguous. Herein we supplement detailed morphological analysis with molecular data (18S ribosomal RNA gene sequence). Myxospores were spherical (measurements in micrometers and presented as mean +/- SD followed by range in parentheses), 14.2 +/- 0.5 (13.4-15.0) in length, 12.1 +/- 0.5 (11.3-13.0) in width, and 7.3 +/- 0.4 (6.8-8.0) thick. There were 2 pyriform polar capsules, 7.6 +/- 0.3 (7.0-8.0) in length and 4.1 +/- 0.2 (3.6-4.6) in width with 6-7 turns in the coiled polar filament. When compared to other Myxobolus spp. from catostomid fish, the morphological characters of the isolate were consistent with Myxobolus enoblei, originally characterized from the gills of smallmouth buffalo from Illinois, U.S.A. A BLASTn search of the 18S rRNA gene resulted in no identical matches to any available sequences in the National Center for Biotechnology Information's GenBank. Phylogenetic assessment placed M. enoblei within a Glade containing other myxozoans of catostomid fish in North America, supporting previous research that suggests that host family can be a strong phylogenetic signal for myxozoans. Moving forward, these sequence data will offer confirmatory diagnosis to supplement comparisons to morphologically similar myxozoan species from similar hosts in addition to providing data for use in future studies attempting to identify the actinospore stage and definitive oligochaete host.
机译：Myxobolus Enoblei先前已从小型南水牛，ictiobus fabalus的鳃，虽然迄今为止，但无需补充分子数据。因此，识别完全基于形态特征，这可能是模糊的。在此，我们用分子数据（18S核糖体RNA基因序列）补充详细的形态学分析。 myxospores是球形的（微米测量，并呈现为平均+/- SD，然后呈括号中的范围），长度为14.2 +/- 0.5（13.4-15.0），宽度为12.1 +/- 0.5（11.3-13.0），7.3 +/- 0.4（6.8-8.0）厚。有2个吡虫极胶囊，7.6 +/- 0.3（7.0-8.0）的长度，4.1 +/- 0.2（3.6-4.6），宽度为6-7圈，在盘绕极灯丝中。与其他myxobolus spp相比。从皮带趾鱼类中，孤立的形态特征与Myxobolus Enoblei一致，最初是来自伊利诺伊州的小型水牛的鳃，USA对18S rRNA基因的BLASTN搜索导致国家中心的任何可用序列没有相同的匹配生物技术信息的Genbank。系统发育评估在含有北美洲皮特育虫鱼的其他myxozoans的林石内甲状腺素，支持以前的研究表明，宿主家族对于粘土基毒素可以是强大的系统发育信号。前进，这些序列数据将提供确认诊断，以补充与类似宿主的形态学上类似的Myxozoan物种的比较，除了提供用于识别肌动酶孢子阶段和明确的寡替莫特宿主的未来研究的数据。

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