Identification and characterization of one novel type of Triactinospomyxon with short spore axis
Identification and characterization of one novel type of Triactinospomyxon with short spore axis
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一种新型短孢子轴 Triactinospomyxon 的鉴定和表征
DOI：
10.1007/s00436-011-2775-8
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发表时间：
2012-06
期刊：
影响因子：
--
通讯作者：
Zhai YH, Zhou L, Gui JF
中科院分区：
文献类型：
--
作者：
Zhai YH, Zhou L, Gui JF
本研究从水生生物研究所蔡甸试验站养殖鲫鱼的鱼塘中，鉴定并鉴定了一种新的三放线素黏菌。它被命名为蔡甸Triactinospomyxon。孢子具有典型的三放线菌“锚”形，孢子质含有32个生殖细胞，3个极蒴果和3个尾突。与其他三放线菌孢子相比，蔡甸孢子孢子轴较短，孢子轴长76.5 μm，孢子柱极短，孢子柱长38.9 μm。18S rDNA序列分析表明，新菌株与Triactinomyxon sp SA-2005、Antonactinomyxon sp KAB-2001和Synactinomyxon sp KAB-2001亲缘关系最密切，同源性为80.33% ~ 81.92%。根据孢子形态和遗传资料，本文提出的蔡甸赤杨类型与文献中已知的不同。
This study identifies and characterizes one novel type of triactinospomyxon in oligochaete specimen of Branchiura sowerbyi Beddard collected from a fish pond used for rearing gibel carp located in Caidian Experimental Station of the Institute of Hydrobiology. It is nominated as Triactinospomyxon caidianensis type. The spore is of characteristic triactinomyxon "anchor" shape and possesses a spore body with sporoplasm containing 32 germ cells, 3 polar capsules, and 3 caudal processes. Compared with other triactinomyxon spores described previously, T. caidianensis type has a short spore axis with 76.5 μm in length and a very short style with 38.9 μm in length. Molecular analyses on 18S rDNA sequences indicate that the novel T. caidianensis type is most closely related to Triactinomyxon sp SA-2005, Antonactinomyxon sp KAB-2001, and Synactinomyxon sp KAB-2001 with 80.33% to 81.92% identities. On the basis of spore morphology and genetic data, the T. caidianensis type presented in this paper differs from those already known and described in the literatures.
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