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A potential zoonotic parasite, the digenean Gymnophalloides nacellae, on the Magellanic coast in the Southwestern Atlantic Ocean: its life cycle and geographical distribution
Polar Biology ( IF 1.5 ) Pub Date : 2020-05-18 , DOI: 10.1007/s00300-020-02674-7
Carmen Gilardoni , Gisele Di Giorgio , Estefanía Bagnato , Susana Pina , Pedro Rodrigues , Florencia Cremonte

This is an integrative study of a potential zoonotic digenean from the Magellanic Southwestern Atlantic coast. The life cycle of the gymnophallid Gymnophalloides nacellae Cremonte, Pina, Gilardoni, Rodrigues, Chai and Ituarte, 2013 (Digenea) at the type locality, Puerto Deseado (47° 45′ S, 65° 51′ W), Santa Cruz province, was elucidated. This digenean uses the upper subtidal clam Gaimardia trapesina (Lamarck) (Gaimardiidae), which lives on the fronds of the giant kelp, as first intermediate host. A very short-stem furcocercous cercaria emerges and enters the limpets, Nacella magellanica (Gmelin) and N. deaurata (Gmelin) (Nacellidae), which live in the lower rocky intertidal zone. The unencysted metacercariae inhabit the extrapallial space of the limpet at high prevalences and intensities of infection. When the black oystercatcher Haematopus ater Vieillot and Oudart (Charadriidae) preys upon it, it becomes infected, acting as the definitive host. This parasite seems to exhibit a high specificity for their first and second intermediate hosts. Its geographical distribution is from 47 to 55° S in Patagonia, and it is restricted to those sites where the giant kelp reaches to lower intertidal and upper subtidal zones where the limpets are present. Gymnophalloides seoi Lee, Chai and Hong, 1993, a parasite of the Pacific oyster Magallana gigas (Thunberg) (Ostreidae), causes a zoonotic disease in Korea; thus, G. nacellae represent a risk of being a zoonotic parasite if infected limpets are consumed.

中文翻译:

大西洋西南部麦哲伦海岸的一种潜在的人畜共患寄生虫,即双基因 Gymnophalloides nacellae:其生命周期和地理分布

这是对来自麦哲伦西南大西洋沿岸的潜在人畜共患双基因的综合研究。2013 年(Digenea)在圣克鲁斯省 Puerto Deseado(南纬 47° 45 分,西经 65° 51 分)的裸眼科动物 Gymnophalloides nacellae Cremonte、Pina、Gilardoni、Rodrigues、Chai 和 Ituarte 的生命周期阐明。这种地底类动物使用生活在巨海带叶上的上潮下带蛤(Lamarck)(Gaimardiidae)作为第一中间宿主。一种非常短的茎毛尾蚴出现并进入生活在较低岩石潮间带的帽贝类 Nacella magellanica (Gmelin) 和 N. deaurata (Gmelin) (Nacellidae)。未包囊的囊蚴以高流行率和感染强度栖息在帽贝的外层空间。当黑牡蛎 Haematopus ater Vieillot 和 Oudart (Charadriidae) 捕食它时,它会被感染,成为最终宿主。这种寄生虫似乎对它们的第一和第二中间宿主表现出高度的特异性。其地理分布在巴塔哥尼亚的南纬 47 度至 55 度之间,仅限于巨型海带到达存在帽贝的低潮间带和上潮下带的地点。Gymnophalloides seoi Lee, Chai 和 Hong, 1993 是太平洋牡蛎 Magallana gigas (Thunberg) (Ostreidae) 的寄生虫,在韩国引起人畜共患病;因此,如果食用受感染的帽贝,G. nacellae 代表成为人畜共患寄生虫的风险。这种寄生虫似乎对它们的第一和第二中间宿主表现出高度的特异性。其地理分布在巴塔哥尼亚的南纬 47 度至 55 度之间,仅限于巨型海带到达存在帽贝的低潮间带和上潮下带的地点。Gymnophalloides seoi Lee, Chai 和 Hong, 1993 是太平洋牡蛎 Magallana gigas (Thunberg) (Ostreidae) 的寄生虫,在韩国引起人畜共患病;因此,如果食用受感染的帽贝,G. nacellae 代表成为人畜共患病寄生虫的风险。这种寄生虫似乎对它们的第一和第二中间宿主表现出高度的特异性。其地理分布在巴塔哥尼亚的南纬 47 度至 55 度之间,仅限于巨型海带到达存在帽贝的低潮间带和上潮下带的地点。Gymnophalloides seoi Lee, Chai 和 Hong, 1993 是太平洋牡蛎 Magallana gigas (Thunberg) (Ostreidae) 的寄生虫,在韩国引起人畜共患病;因此,如果食用受感染的帽贝,G. nacellae 代表成为人畜共患病寄生虫的风险。太平洋牡蛎 Magallana gigas (Thunberg) (Ostreidae) 的寄生虫,在韩国引起人畜共患病;因此,如果食用受感染的帽贝,G. nacellae 代表成为人畜共患病寄生虫的风险。太平洋牡蛎 Magallana gigas (Thunberg) (Ostreidae) 的寄生虫,在韩国引起人畜共患病;因此,如果食用受感染的帽贝,G. nacellae 代表成为人畜共患病寄生虫的风险。
更新日期:2020-05-18
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