New type of pathogenicity of Thelohanellus kitauei Egusa & Nakajima, 1981 infecting the skin of common carp Cyprinus carpio L. |
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| Affiliation: | 1. Department of Aquatic Animal Medicine, College of Fisheries, Huazhong Agricultural University, Wuhan, People''s Republic of China, 430070;2. Key Lab of Freshwater Animal Breeding, Ministry of Agriculture, Wuhan, People''s Republic of China, 430070;3. Freshwater Aquaculture Collaborative Innovation Center of Hubei Province, Wuhan, People''s Republic of China, 430070;1. CIBIO Research Centre in Biodiversity and Genetic Resources, InBIO, Universidade do Porto, Campus Agrário de Vairão, Rua Padre Armando Quintas, N° 7, 4485-661 Vairão, Vila do Conde, Portugal;2. Departamento de Biologia, Faculdade de Ciências, Universidade do Porto, Rua do Campo Alegre FC4 4169-007 Porto, Portugal;3. Institut de Biologia Evolutiva (CSIC-Universitat Pompeu Fabra), Passeig Maritím de la Barceloneta, 37-49, 08003 Barcelona, Spain;1. Laboratorio de Biología y Fisiología Celular, Instituto de Histología y Embriología — CONICET, Facultad de Ciencias Médicas, UNCuyo, Argentina;2. Instituto de Investigaciones en Ciencias de la Salud (INICSA), CONICET — Cátedra de Física Biomédica and Centro de Estudios e Investigación de la Enfermedad de Chagas y Leishmaniosis, Facultad de Ciencias Médicas, UNC, Córdoba, Argentina;3. INTEQUI-CONICET, FQByF, UNSL, San Luis, Argentina;1. Aquatic Parasitology Laboratory, School of Fisheries, Aquaculture and Aquatic Sciences, Auburn University (SFAAS), Auburn, AL 36849, United States;2. Aquatic Parasitology Laboratory, School of Fisheries, Aquaculture, and Aquatic Sciences, 203 Swingle Hall, Auburn University, Auburn, AL 36849, United States;1. Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo (USP), Rua Duque de Caxias Norte, 225, CEP, Pirassununga, SP 13635-900, Brazil;2. Departamento de Ciências Biológicas, Universidade Federal de São Paulo (UNIFESP), Rua Professor Artur Riedel, 275, Jardim Eldorado, CEP, Diadema, SP 09972-270, Brazil;3. Departamento de Biologia Animal, Instituto de Biologia, Universidade Estadual de Campinas (UNICAMP), Caixa Postal 6109, CEP, Campinas, SP 13083-970, Brazil;1. Department of Zoology and Environmental Sciences, Punjabi University Patiala, India;2. Centre of Research for Development, University of Kashmir, Srinagar, India;3. Department of Zoology, Panjab University, Chandigarh, India |
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| Abstract: | Thelohanellus kitauei Egusa & Nakajima, 1981 is a common parasite infecting the intestine of common carp Cyprinus carpio L., resulting in mass mortality or loss of economic value of cultured carp. In the present study, T. kitauei infecting host skin was detected. The morphological, molecular and histological data of this parasite in the new organ record are presented. Morphological analysis showed the current specimen morphologically similar to T. kitauei from the intestine. Despite the spore length and polar capsule length of the current specimen larger than those of T. kitauei from the intestine, ranges of dimensions overlap, which is more suggestive of intraspecific variation than distinct species. BLAST search revealed that the present small subunit ribosomal DNA gene sequence is identical to those of T. kitauei. Histologically, most of spores distributed in the stratum spongiosum of dermis, and some spores in the strata compactum of host skin were also observed. Above all, both morphology and molecular analysis indicated that the current species from the skin of common carp is conspecific with T. kitauei from the intestine of carp and organ habitats transfer of T. kitauei from host intestine to skin may have occurred. |
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