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Techniques for osmoregulatory and metabolic analysis in fish

Grant number: 15/10645-4
Support type:Scholarships abroad - Research Internship - Post-doctor
Effective date (Start): September 14, 2015
Effective date (End): October 17, 2015
Field of knowledge:Agronomical Sciences - Fishery Resources and Fishery Engineering - Aquaculture
Principal researcher:Maria José Tavares Ranzani de Paiva
Grantee:Silvia Patrícia Carraschi de Oliveira
Supervisor abroad: Juan Miguel Mancera Romero
Home Institution: Instituto de Pesca. Agência Paulista de Tecnologia dos Agronegócios (APTA). Secretaria de Agricultura e Abastecimento (São Paulo - Estado). São Paulo , SP, Brazil
Research place: Universidad de Cádiz, Cádiz (UCA), Spain  
Associated to the scholarship:13/25113-2 - FUNGICIDES PROSPECTING IN Saprolegnia sp CONTROL AND CLINIC SAFETY IN PACU (Piaractus mesopotamicus), BP.PD


Fish under stress situation increased oxygen consumption suggesting energetic demand enhancement. These changes involve action of several enzymes which participate in different carbohydrate, protein, lipid and lactate metabolism pathways. The objetive of this internship is to learn techniques in order to asses metabolites (glycogen, glucose and lactate) levels as well as enzymatic activities in carbohydrate (Hexokinase, Fructose 1,6-bisphosphatase, Glucose 6-phosphate dehydrogenase, Glutamate dehydrogenase), amino acid (Alanine aminotransferase and Aspartate aminotransferase), lactate (Lactate dehydrogenase-oxidase) and lipid (Glycerol 3-phosphate dehydrogenase) metabolism in gills, liver, kidney and brain, besides Na+-,K+- ATPase activity (a key enzyme related to osmoregulatory activity). For this purpose, the student will visit Prof. Dr. Juan Miguel Mancera laboratory (at University of Cádiz) and to learn and to employ these techniques using gilthead sea bream Spaurus auratus as model fish. Besides, the student will participate of a course titled "Biological process of interesting in Aquaculture: basic and practice aspects" which will realize in the same University and the Dr. Mancera will minister some part of it about his research area. Furthermore in the last week she will attend the I Iberian Congress in Aquaculture (Huelva, Spain). (AU)

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