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New bobtail squid (Sepiolidae: Sepiolinae) from the Ryukyu islands revealed by molecular and morphological analysis.
Communications Biology ( IF 5.9 ) Pub Date : 2019-12-11 , DOI: 10.1038/s42003-019-0661-6
Gustavo Sanchez 1, 2 , Jeffrey Jolly 1 , Amanda Reid 3 , Chikatoshi Sugimoto 1 , Chika Azama 1 , Ferdinand Marlétaz 1 , Oleg Simakov 1, 4 , Daniel S Rokhsar 1, 5
Affiliation  

Bobtail squid are emerging models for host-microbe interactions, behavior, and development, yet their species diversity and distribution remain poorly characterized. Here, we combine mitochondrial and transcriptome sequences with morphological analysis to describe three species of bobtail squid (Sepiolidae: Sepiolinae) from the Ryukyu archipelago, and compare them with related taxa. One Ryukyuan type was previously unknown, and is described here as Euprymna brenneri sp. nov. Another Ryukyuan type is morphologically indistinguishable from Sepiola parva Sasaki, 1913. Molecular analyses, however, place this taxon within the genus Euprymna Steenstrup, 1887, and additional morphological investigation led to formal rediagnosis of Euprymna and reassignment of this species as Euprymna parva comb. nov. While no adults from the third Ryukyuan type were found, sequences from hatchlings suggest a close relationship with E. pardalota Reid, 2011, known from Australia and East Timor. The broadly sampled transcriptomes reported here provide a foundation for future phylogenetic and comparative studies.

中文翻译:

通过分子和形态分析揭示了来自琉球群岛的新短尾乌贼(Sepiolidae:Sepiolinae)。

短尾鱿鱼是宿主与微生物相互作用、行为和发育的新兴模型,但它们的物种多样性和分布仍然知之甚少。在这里,我们将线粒体和转录组序列与形态分析相结合,描述了来自琉球群岛的三种短尾乌贼(Sepiolidae:Sepiolinae),并将它们与相关类群进行比较。一种琉球类型以前未知,此处被描述为 Euprymna brenneri sp。十一月 另一种琉球类型在形态上与 Sepiola parva Sasaki (1913) 没有区别。然而,分子分析将该分类群置于 Euprymna Steenstrup (1887) 属内,另外的形态学研究导致对 Euprymna 的正式重新诊断,并将该物种重新指定为 Euprymna parva 梳。十一月 虽然没有发现第三种琉球型的成虫,但幼体的序列表明与 E. pardalota Reid (2011) 存在密切关系,已知的产地为澳大利亚和东帝汶。这里报道的广泛采样的转录组为未来的系统发育和比较研究奠定了基础。
更新日期:2019-12-11
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