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首页> 外文期刊>Journal of Parasitology >TAXONOMY OF MYXOBOLUS RIDOUTI N. SP AND M. RIDGWAYI N. SP (MYXOZOA) FROM PIMEPHALES NOTATUS AND SEMOTILUS ATROMACULATUS (CYPRINIFORMES) IN ONTARIO
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TAXONOMY OF MYXOBOLUS RIDOUTI N. SP AND M. RIDGWAYI N. SP (MYXOZOA) FROM PIMEPHALES NOTATUS AND SEMOTILUS ATROMACULATUS (CYPRINIFORMES) IN ONTARIO

机译:安大略省的斑节虾和拟南芥(CYPRINIFORMES)的桃花心木和桃花心木(MYXOZOA)的分类学

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摘要

Myxobolus ridouti n. sp. and M. ridgwayi n. sp. are described, respectively, from Pimephales notatus (Rafinesque) and Semotilus atromaculatus (Mitchill) in Algonquin Park, Ontario, Canada. Both are intracellular in striated muscles of the body hank. Spores of M. ridouti n. sp. are subcircular (9.5-10.5 mu n long by 9.4-10.9 mu m wide); those of M. ridgwayi n. sp. are oval (10.0-12.1 mu m long by 9.5-10.5 mu m). Both species have spores with a small, distinct swelling (I pm) on the spore valve near the posterior sutural ridge, similar to that described for Myxobolus insignis Eiras, Malta, Varella, and Pavanelli, 2005. It looks to be non-nuclear in origin, apparently part of the internal face of a spore valve, and could be taxonomically useful. Partial sequence data of the 18S rDNA from both species are unique among those species in the genus that have been sequenced. The sequences have the greatest overall identity with various species of Myxobolus from cyprinids in North America, Europe, and Asia, with a constructed molecular phylogeny having the 2 new species forming a separate clade.
机译:粘菌sp。和M. ridgwayi n。 sp。分别描述于加拿大安大略省阿冈昆公园的Notmetus(Rafinesque)和Semotilus atromaculatus(Mitchill)。两者都在人体绞痛的横纹肌细胞内。 ridouti n。的孢子sp。呈亚圆形(长9.5-10.5微米,宽9.4-10.9微米); ridgwayi的那些sp。是椭圆形的(10.0-12.1微米长,9.5-10.5微米长)。两种物种的孢子在后缝合脊附近的孢子瓣上都有一个小的,明显的肿胀(I pm),类似于关于Myxobolus insignis Eiras,Malta,Varella和Pavanelli,2005年所述的孢子。起源,显然是孢子阀内表面的一部分,在分类学上可能有用。来自这两个物种的18S rDNA的部分序列数据在该序列属中的那些物种中是唯一的。该序列与来自北美,欧洲和亚洲的鲤科鱼类的各种粘液球菌具有最大的整体同一性,其构建的分子系统发育史具有两个新物种形成的独立进化枝。

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