Consulta: creatorFacets:"Merchant,Mark E."
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Characterization of innate immune activity in Phrynops geoffroanus (Testudines: Chelidae)
Provedor de dados: 103
Autores: Ferronato,Bruno O.; Merchant,Mark E.; Marques,Thiago S.; Verdade,Luciano M.
The innate immune activity of the freshwater turtle Phrynops geoffroanus (Schweigger, 1812) was investigated, using a sheep-red-blood cell hemolysis assay. The time- and concentration-dependent hemolytic activity of the turtle plasma was low compared to that reported for other reptiles. However the plasma of P. geoffroanus exhibited higher activity at elevated temperatures, resulting in temperature-dependent hemolysis. The sensitivity of turtle plasma to temperature could be interpreted as a mechanism by which freshwater turtles use basking behavior to elevate body temperature, thus enhancing the innate immune response. However, we cannot discard the possibility that environmental contaminants could be affecting the turtle's immune response, since the...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Chelonian; Immunology; Plasma.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000400020