Morphology and molecular phylogeny of Pauciconfibuloides amazonica gen. n. sp. n. (Platyhelminthes,Monogenoidea) parasitizing the Amazonian croaker Plagioscion squamosissimus |
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| Institution: | 1. Departamento de Biologia Animal, Instituto de Biologia, Universidade Estadual de Campinas (UNICAMP), Rua Monteiro Lobato, 255, CEP 13083–862 Campinas, São Paulo, Brazil;2. Instituto de Estudos Costeiros, Universidade Federal do Pará (UFPA), Travessa Leandro Ribeiro, s/n, Aldeia, CEP 68600–000 Bragança, Pará, Brazil;3. Departamento de Medicina Veterinária, Centro Universitário da Fundação de Ensino Octávio Bastos (UNIFEOB), Av. Dr. Otávio da Silva Bastos, 2439, Jardim Nova São Joao, São João da Boa Vista CEP 13874-149, São Paulo, Brazil;4. Centro Nacional de Pesquisa e Conservação da Biodiversidade Aquática Continental, Instituto Chico Mendes de Conservação da Biodiversidade (CEPTA/ICMBio), Rodovia Prefeito Euberto Nemésio Pereira de Godoy, km 6,5, CEP 13630–970 Pirassununga, São Paulo, Brazil;5. Departamento de Ecologia e Biologia Evolutiva, Universidade Federal de São Paulo (UNIFESP), Rua Professor Arthur Riedel, 275, Jardim Eldorado, CEP 09972–270 Diadema, São Paulo, Brazil;6. Sistema de Ensino, Campanha Nacional de Escolas da Comunidade (CNEC), Rua Frei Paulino, 530, Nossa Sra. da Abadia, CEP 38025–180 Uberaba, Minas Gerais, Brazil;1. Key Laboratory of Aquaculture Disease Control, Ministry of Agriculture, State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, PR China;2. University of Chinese Academy of Sciences, Beijing 100049, PR China;3. University “St. Kliment Ohridski”, Faculty of Biotechnical Sciences, Bitola, R. N. Macedonia;1. Laboratory of Parasitology, Joint Graduate School of Veterinary Medicine, Yamaguchi University, Japan;2. Laboratory of Nematology, Faculty of Agriculture, Saga University, Japan;3. Laboratory of Parasitology, School of Veterinary Medicine, Azabu University, Japan;1. College of the Environment & Ecology, Xiamen University, 361102 Xiamen, Fujian Province, PR China;2. Key Laboratory of Molecular Cell Biology, Ministry of Education of the People''s Republic of China; Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology of Hebei Province; College of Life Sciences, Hebei Normal University, 050024 Shijiazhuang, Hebei Province, PR China;3. Key Laboratory of Food Safety Risk Assessment, National Health Commission of the People''s Republic of China, China National Center for Food Safety Risk Assessment (CFSA), 100021 Beijing, PR China;1. Research Center for Infectious Disease Control, Research Institute for Microbial Diseases, Osaka University, Suita, Osaka 565-0871, Japan;2. Department of International Affairs and Tropical Medicine, Tokyo Women''s Medical University, Tokyo 162-8666, Japan;3. Department of Clinical Medicine, University of Tsukuba, Tsukuba 305-8575, Japan;4. Faculty of Life and Environmental Sciences, University of Tsukuba, Tsukuba 305-8572, Japan;1. Department of Surgery, Duke University School of Medicine, Durham, NC, USA;2. Institute of Parasitology, Biology Centre, Czech Academy of Sciences, 370 05 České Budějovice, Czech Republic;3. Faculty of Science, University of South Bohemia, 370 05 České Budějovice, Czech Republic;4. Duke Global Health Institute, Duke University and Duke University Medical Center, Durham, NC 27710, USA |
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| Abstract: | An integrative study was performed to understand the phylogenetic relationships of an undescribed, freshwater species of microcotylid parasitizing Plagioscion squamosissimus from the Amazon River Basin. Based on morphological and molecular analysis (18S rDNA and partial 28S rDNA genes), a new genus is proposed to accommodate this new species, Pauciconfibuloides amazonica gen. n. sp. n. The new genus is closely related to Protastomicrocotylinae and Pauciconfibula by sharing the vagina, male copulatory organ, and genital atrium all unarmed. However, Pauciconfibuloides gen. n. can be distinguished from those taxa by the prostatic system and position of the vaginal pore. Molecular phylogenetic inference suggests a sister relationship with species of Polylabris (Prostatomicrocotylinae), but to date, there are no available 18S or 28S rDNA sequences of Pauciconfibula to be compared. This is the first report of a microcotylid parasitizing a freshwater sciaenid from South America. |
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