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Systematic and host-parasite relationship of myxosporean parasites of Pimelodidae family fish in the Amazon Basin

Grant number: 14/22700-7
Support type:Scholarships in Brazil - Post-Doctorate
Effective date (Start): March 01, 2015
Effective date (End): March 01, 2019
Field of knowledge:Agronomical Sciences - Fishery Resources and Fishery Engineering
Cooperation agreement: Coordination of Improvement of Higher Education Personnel (CAPES)
Principal Investigator:Edson Aparecido Adriano
Grantee:Juliana Naldoni
Home Institution: Instituto de Ciências Ambientais, Químicas e Farmacêuticas (ICAQF). Universidade Federal de São Paulo (UNIFESP). Campus Diadema. Diadema , SP, Brazil
Associated scholarship(s):16/08831-7 - Diversity and development of Malacosporea (Myxozoa) infecting freshwater fish in Europe and Brazil, BE.EP.PD


Myxosporean are parasites widely spread and infect mainly fish and annelids. To date approximately 2,400 species have been described. However, for South America, where is the largest fish diversity, there are still few studies considering these parasites. The Amazon basin has an extraordinary fish fauna, with species still unknown and others with large economic importance in fishing or as ornamental fish, as well as with potential for fish farm. Among the species of economic importance, for both extractive fishing and fish farm potential, are those of the Pimelodidae family. In this proposal, the aim is study the taxonomic and parasite-host relationship of myxosporeans found infecting Pseudoplatystoma triginum (caparari), Pseudoplatystoma punctifer (cachara), Phractocephalus hemiliopterus (pirarara) and Leauriua marmoratus (jundiá- the amazon) from the natural environment of the Amazon Basin, in the municipality of Santarém, state of Pará, in the meeting place of the Tapajós and Amazon rivers region. For taxonomic analysis, will be used traditional tools of morphological analysis, combined with the modern techniques of molecular biology and ultrastructure. For the study of host-parasite relationship will be used ultrastructural and histopathological analyses. (AU)

Scientific publications
(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)
NALDONI, JULIANA; MAIA, ANTONIO A. M.; CORREA, LINCOLN L.; DA SILVA, MARCIA R. M.; ADRIANO, EDSON A. New myxosporeans parasitizing Phractocephalus hemioliopterus from Brazil: morphology, ultrastructure and SSU-rDNA sequencing. DISEASES OF AQUATIC ORGANISMS, v. 128, n. 1, p. 37-49, MAR 22 2018. Web of Science Citations: 4.
MATHEWS, PATRICK D.; NALDONI, JULIANA; ADRIANO, EDSON A. Morphology and small subunit rDNA-based phylogeny of a new Henneguya species, infecting the ornamental fish Corydoras leucomelas from the Peruvian Amazon. Acta Tropica, v. 176, p. 51-57, DEC 2017. Web of Science Citations: 5.
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, OCT 2016. Web of Science Citations: 9.

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