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Resumen del producto
Baró-Camarasa, I., A.J., Marmolejo-Rodríguez, A., Cobelo-García, M.D., Palacios, D.A., Murillo-Cisneros & F., Galván-Magaña
(2022).
Essential and non-essential trace element concentrations in muscle and liver of a pregnant Munk’s pygmy devil ray (Mobula munkiana) and its embryo.
Environmental Science and Pollution Research.
29: 61623–61629.
DOI: 10.1007/s11356-021-17390-w.
Essential and non-essential trace element concentrations in muscle and liver of a pregnant Munk’s pygmy devil ray (Mobula munkiana) and its embryo
Isis Baró-Camarasa, Ana Judith Marmolejo-Rodríguez 1, Antonio Cobelo-García, Marta D. Palacios, Daniela Alejandra Murillo-Cisneros y Felipe Galván-Magaña 1
1 Instituto Politécnico Nacional, Centro Interdisciplinario de Ciencias Marinas
During gestation, essential and non-essential trace elements are transferred from the pregnant females to embryos. This study aimed to determine and compare the concentrations of seven essential trace elements (Fe, Zn, Se, Cu, Mn, Cr, Co) and six non-essential trace elements (As, Cd, V, U, Tl, Ag) in the muscle and the liver of a Munk’s pygmy devil ray pregnant female, Mobula munkiana, and its embryo. Transfer evidence of essential and non-essential trace elements was detected in M. munkiana tissues. Arsenic was found in elevated concentrations in the pregnant female and the embryo tissues. Elevated levels of Cd, V, U, and Ag were found in the pregnant female liver, but were minimal in the embryo tissue. This is the first study to investigate maternal transfer of essential and non-essential trace elements in these species and their reproductive strategy.
Palabras clave: Trace elements; embryo; Reproduction; Histotrophy; ray
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