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Seroprevalence of malarial antibodies in Galapagos penguins (spheniscus mendiculus)

Por:

Palmer, Jamie L

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ArtículoIdioma: Inglés Tema(s):

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598.47 22

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En: J. Parasitol Vol. 99, no. 5,(Apr 2013), p. 770–776Tema: A parasite species of the genus Plasmodium has recently been documented in the endangered Galapagos penguin (Spheniscus mendiculus). Avian malaria causes high mortality in several species after initial exposure and there is great concern for the conservation of the endemic Galapagos penguin. Using a Plasmodium spp. circumsporozoite protein antigen, we standardized an enzyme-linked immunosorbent assay to test the level of exposure in this small population, as indicated by seroprevalence. Sera from adult and juvenile Galapagos penguins collected between 2004 and 2009 on the Galapagos archipelago were tested for the presence of anti-Plasmodium spp. antibodies. Penguins were also tested for the prevalence of avian malaria parasite DNA using a polymerase chain reaction (PCR) screening. Total seroprevalence of malarial antibodies in this sample group was 97.2%, which suggests high exposure to the parasite and low Plasmodium-induced mortality. However, total prevalence of Plasmodium parasite DNA by PCR screening was 9.2%, and this suggests that parasite prevalence may be under-detected through PCR screening. Multiple detection methods may be necessary to measure the real extent of Plasmodium exposure on the archipelago.

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Existencias ( 2 )
Notas de título ( 3 )

Existencias
Imagen de cubierta	Tipo de ítem	Biblioteca actual	Biblioteca de origen	Colección	Ubicación en estantería	Signatura topográfica	Materiales especificados	Info Vol	URL	Copia número	Estado	Notas	Fecha de vencimiento	Código de barras	Reserva de ítems	Prioridad de la cola de reserva de ejemplar	Reservas para cursos
	Documento electrónico	Corley Smith Library Colección PDF		Galápagos		598.47 PAL 2013 (Navegar estantería(Abre debajo))					Disponible			2021-1948
	Artículo	Corley Smith Library Artículos		Galápagos		598.47 PAL (Navegar estantería(Abre debajo))					Disponible			2016-0021

Navegando Corley Smith Library estanterías,Ubicación en estantería: Colección PDF,Colección: Galápagos Cerrar el navegador de estanterías (Oculta el navegador de estanterías)

Previo								Siguiente
Previo	598.47 KIK 2009 Trans-species polymorphism of the Mhc class II DRB-like /	598.47 LEV 2001 Plasmodium blood parasite found in endangered Galapagos penguins (Spheniscus mendiculus).	598.47 NIM 2008 Low genetic diversity and lack of population structure in the endangered Galápagos penguin (Spheniscus mendiculus).	598.47 PAL 2013 Seroprevalence of malarial antibodies in Galapagos penguins (spheniscus mendiculus)	598.47 REY 2024 Is photographic comparison a reliable auxiliary method for identification of individual Galapagos Penguins Spheniscus mendiculus? /	598.47 STE 2008 Space use by foraging Galápagos penguins during chick rearing /	598.47 VAR 2006 Biological effects of El Niño on the Galápagos penguin	Siguiente

A parasite species of the genus Plasmodium has recently been documented in the endangered Galapagos penguin (Spheniscus mendiculus). Avian malaria causes high mortality in several species after initial exposure and there is great concern for the conservation of the endemic Galapagos penguin. Using a Plasmodium spp. circumsporozoite protein antigen, we standardized an enzyme-linked immunosorbent assay to test the level of exposure in this small population, as indicated by seroprevalence. Sera from adult and juvenile Galapagos penguins collected between 2004 and 2009 on the Galapagos archipelago were tested for the presence of anti-Plasmodium spp. antibodies. Penguins were also tested for the prevalence of avian malaria parasite DNA using a polymerase chain reaction (PCR) screening. Total seroprevalence of malarial antibodies in this sample group was 97.2%, which suggests high exposure to the parasite and low Plasmodium-induced mortality. However, total prevalence of Plasmodium parasite DNA by PCR screening was 9.2%, and this suggests that parasite prevalence may be under-detected through PCR screening. Multiple detection methods may be necessary to measure the real extent of Plasmodium exposure on the archipelago.

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