Expanding known global biodiversity of Yamaguticestus (Cestoda: Phyllobothriidea) parasitizing catsharks (Pentanchidae and Scyliorhinidae)
Expanding known global biodiversity of Yamaguticestus (Cestoda: Phyllobothriidea) parasitizing catsharks (Pentanchidae and Scyliorhinidae)
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扩大寄生猫鲨（Pentanchidae 和 Scylorhinidae）的 Yamaguticestus（Cestoda：Phyllobothriidea）已知的全球生物多样性
DOI：
10.1080/14772000.2021.1946617
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发表时间：
2021
影响因子：
1.9
通讯作者：
Jensen, K.
中科院分区：
文献类型：
--
作者：
Caira, J. N.;Pickering, M.;Jensen, K.
本文旨在验证这一预测，即全球 18 个猫鲨属中的 16 个属中，有 16 个尚未进行绦虫检测，其中绦虫属 YamaguticestusCaira、Bueno 和 Jensen 中存在大量未被发现的生物多样性。 1991年至2017年间，我们在澳大利亚、智利、马来西亚婆罗洲、南非、韩国和英国海域对猫鲨进行了机会性采样，共分属8个属10个物种。发现4个属6个物种（即ApristurusGarman、AsymbolusWhitley、HolohalaelurusFowler和ScyliorhinusBlainville）栖息着共有六个新物种 Yamaguticestus，使所描述的物种数量增加了两倍。新物种是Yamaguticestus africanaesp。十一月来自 Scyliorhinus capensis、Yamaguticestus ellisisp。十一月来自 Scylorhinus canicula、Scyliorhinus fairweatheraesp。十一月来自Holohalaelurus regani、Yamaguticestus kihongkimisp。十一月来自 Scyliorhinus torazame 和 Yamaguticestus kuchtaisp。十一月来自Apristurus aphyodes。结合使用光学显微镜和扫描电子显微镜对新物种进行了表征；为其中 5 个物种生成了 28S rRNA 基因 D1-D3 区域的序列数据。 1893年，以前被归为Calyptrobothrium Monticelli的物种的转移，在形态上与Yamaguticestus一致，将Cephaloscyllium Gill添加到已知拥有该属的猫鲨属列表中。大多数绦虫种类的感染率和强度都非常低，这表明我们未能检测到小样本所代表的四个鲨鱼属的感染可能并不表明它们不适合作为宿主。我们的结果表明，之前关于全球猫鲨中仍发现 70 种 Yamaguticestus 的预测实际上可能被低估了。http://zoobank.org/urn:lsid:zoobank.org:pub:63F48CF6-ED06-44FC-839D-
This paper aimed to test the prediction that substantial undiscovered biodiversity in the tapeworm genusYamaguticestusCaira, Bueno & Jensen, exists in the 16 of 18 genera of catsharks globally that have not yet been examined for tapeworms. A total of 200 catsharks of 10 species representing eight genera were sampled opportunistically from the waters off Australia, Chile, Malaysian Borneo, South Africa, South Korea, and the UK between 1991 and 2017. Six species in four genera (i.e.,ApristurusGarman,AsymbolusWhitley,HolohalaelurusFowler, andScyliorhinusBlainville) were found to host a total of six new species ofYamaguticestus, tripling the number of described species. The new species areYamaguticestus africanaesp. nov. fromScyliorhinus capensis,Yamaguticestus ellisisp. nov. fromScyliorhinus canicula,Scyliorhinus fairweatheraesp. nov. fromHolohalaelurus regani,Yamaguticestus kihongkimisp. nov. fromScyliorhinus torazame, andYamaguticestus kuchtaisp. nov. fromApristurus aphyodes. The new species were characterized using a combination of light and scanning electron microscopy; sequence data for the D1–D3 region of the28S rRNAgene were generated for five of the species. Transfer of a species formerly assigned toCalyptrobothriumMonticelli, 1893 that is morphologically consistent withYamaguticestusaddedCephaloscylliumGill to the list of catshark genera known to host this genus. Most tapeworm species exhibited a remarkably low prevalence and intensity of infection suggesting that our failure to detect infection in the four genera of sharks represented by small sample sizes may not be indicative of their unsuitability as hosts. Our results suggest that the earlier prediction that 70 species ofYamaguticestusremain to be discovered in catsharks across the planet may actually be an underestimate.http://zoobank.org/urn:lsid:zoobank.org:pub:63F48CF6-ED06-44FC-839D-
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影响因子：
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