Presence of osteopontin in Tapir milk (Tapirus terrestris: Perissodactyla, Tapiridae)

Authors

  • María Eugenia Pérez Fundación Miguel Lillo, Tucumán, Argentina
  • Marcela Hernández Fundación Miguel Lillo, Tucumán, Argentina
  • Raúl Zalazar Bioparque Temaikén, Buenos Aires, Argentina
  • Francisco Fernández Facultad de Ciencias Naturales e Instituto Miguel Lillo, Tucumán, Argentina

Keywords:

Osteopontin, lactation, tapir, wild mammals, milk proteins

Abstract

Osteopontin (OPN) was found in all the vertebrate species where it was investigated. This protein has been found in milk of various domesticated and laboratory mammal species. In this study, we present the results of its occurrence in tapir milk. In this wild specie, OPN is expressed as two electrophoretic bands of 58 and 75 kDa, which very probably represent monomers, and a third polymeric band with a MW higher than 200 kDa. OPN was observed in greater concentration in lactoserum (68%) than in casein micelles (32%). In this latter compartment, only the two monomeric forms are present.

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Published

2011-06-07

How to Cite

Pérez, M. E., Hernández, M., Zalazar, R., & Fernández, F. (2011). Presence of osteopontin in Tapir milk (Tapirus terrestris: Perissodactyla, Tapiridae). Acta Zoológica Lilloana, 55(1), 44–49. Retrieved from https://www.lillo.org.ar/journals/index.php/acta-zoologica-lilloana/article/view/224
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Issue

Acta Zoológica Lilloana 55 (1) (2011)

Section

Articles
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