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Systematics and host-parasite interaction of myxosporean parasites of ornamental fish from the Amazon Basin

Grant number: 13/14656-5
Support Opportunities:Scholarships in Brazil - Doctorate
Effective date (Start): October 01, 2013
Effective date (End): February 02, 2018
Field of knowledge:Agronomical Sciences - Fishery Resources and Fishery Engineering - Inland Water Fishery Resources
Principal Investigator:Edson Aparecido Adriano
Grantee:Patrick Mathews Delgado
Host Institution: Instituto de Biologia (IB). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
Associated scholarship(s):17/00323-5 - Studies of the genetic components involved on infection patters of the myxosporean of invasive and introduced warm freshwater fish species, BE.EP.DR


In natural environment or in fish farms, the fishes are hosts of several species of parasites, which can cause important diseases. Among these parasites, the myxosporeans, due to the great diversity and great potential pathogenic of some species, are receiving increasing attention from researchers in various regions of the world. So far there are more than 2,300 species known, the vast majority of which infects fish, both from natural environment and fish farms, and some species are responsible for high mortality rates in various parts of the world. This work has as aim the study of the diversity and host-parasite interaction of parasites of the phylum Myxozoa found infecting Symphysodon discus, Carnegiella strigata, Corydoras julii, Paracheirodon innesi and Osteoglossum bicirrhosum from Amazon basin. The fishes will captured in the natural environment and, in the case of the species already breed in from fish farms, also will be examined from fish farm. The study of host-parasite interaction give up-to from the ultrastructural analysis and histopathology. To taxonômica studies, will be conducted morphological analyzes using light microscopy, transmission electron microscopy and molecular analysis by gene sequencing 18S rDNA and ribosomal intergenic region (ITS-1). The samples will be obtained from region of the cities of Iquitos in the Peruvian Amazon and Manaus, in the Brazilian Amazon.

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Scientific publications (8)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
MATHEWS, PATRICK D.; MAIA, ANTONIO A. M.; ADRIANO, EDSON A.. Henneguya melini n. sp (Myxosporea: Myxobolidae), a parasite of Corydoras melini (Teleostei: Siluriformes) in the Amazon region: morphological and ultrastructural aspects. Parasitology Research, v. 115, n. 9, p. 3599-3604, . (13/14656-5, 13/21374-6)
MATHEWS, PATRICK D.; NALDONI, JULIANA; MAIA, ANTONIO A.; ADRIANO, EDSON A.. Morphology and small subunit rDNA-based phylogeny of Ceratomyxa amazonensis n. sp parasite of Symphysodon discus, an ornamental freshwater fish from Amazon. Parasitology Research, v. 115, n. 10, p. 4021-4025, . (13/14656-5, 14/22700-7, 13/21374-6)
MATHEWS, PATRICK D.; SILVA, MARCIA R. M.; MAIA, ANTONIO A. M.; ADRIANO, EDSON A.. Ultrastructure and ssrRNA sequencing of Myxidium amazonense n. sp a myxosporean parasite of Corydoras melini from the Rio Negro river, Amazonas state, Brazil. Parasitology Research, v. 114, n. 12, p. 4675-4683, . (13/14656-5, 13/21374-6)
MILANIN, TIAGO; MATHEWS, PATRICK D.; MERTINS, OMAR; TAVARES, LUIZ E. R.; SILVA, MARCIA R. M.; MAIA, ANTONIO A. M.. Molecular phylogeny of the gill parasite Henneguya (Myxosporea: Myxobolidae) infecting Astyanax lacustris (Teleostei: Characidae) from fish farm in Brazil. Microbial Pathogenesis, v. 123, p. 372-376, . (13/14656-5, 15/23948-5, 15/18807-3)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
DELGADO, Patrick Mathews. Systematics and host-parasite interaction of myxosporean parasites of ornamental fish from the Amazon Basin. 2018. Doctoral Thesis - Universidade Estadual de Campinas (UNICAMP). Instituto de Biologia Campinas, SP.

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