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New records of the rare shrimp parasite Zonophryxus quinquedens Barnard, 1913 (Crustacea, Isopoda, Dajidae): ecological and phylogenetic implications

机译:1913年稀有虾寄生虫Zonophryxus quinquedens Barnard的新记录(甲壳纲,伊索波达,Dajidae):生态和系统发育意义

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摘要

The rare dajid, Zonophryxus quinquedens represents the only known isopod parasiting on shrimps in Antarctic waters. In contrast to the Bopyridae, which typically live in the gill cavity of their crab host, dajid isopods are normally attached to the carapace of the parasited shrimp. Four specimens of Z. quinquedens Barnard, 1913 were collected in the eastern and western Weddell Sea, Antarctica, during the expeditions ANT XXI/2 in 2003/2004 and ANT XXII/3 in 2005. Molecular phylogenetic analyses, based on small subunit rRNA gene sequences, indicate a close relationship of Z. quinquedens to the Bopyridae. Possible ecological and physiological aspects of the parasite-host interaction are discussed.
机译:稀有的达吉羚羊Zonophryxus quinquedens代表了唯一已知的寄生在南极水域虾上的等足动物。与通常生活在其蟹寄主the腔中的Bo虫科不同,通常将达吉德等足动物附着在寄生虾的甲壳上。分别在2003/2004年ANT XXI / 2和2005年ANT XXII / 3考察期间,在南极的韦德海西部和西南部的韦德海中采集了四个Z.quinquedens Barnard,1913年。基于小亚基rRNA基因的分子系统发育分析序列表明,西昆单胞菌与稻草科密切相关。寄生虫-宿主相互作用的可能的生态和生理方面进行了讨论。

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