First record of Litomosoides pardinasi (Nematoda: Onchocercidae) in native and exotic rodents from Chile

We report the first record of Litomosoides pardinasi in native and exotic rodents from Chile. Litomosoides pardinasi, described in the Argentine Patagonia parasitizing Phyllotis xanthopygus and Oligoryzomys longicaudatus, was found in Chile parasitizing the peritoneal and thoracic cavities of O. lon...

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Autores principales: Landaeta Aqueveque, Carlos, Notarnicola, Juliana, Correa, Juana P., Yáñez Meza, Andrea, Henríquez, Ana Lía, Cattan, Pedro E., Botto Mahan, Carezza, Torres Pérez, Fernando
Formato: Articulo
Lenguaje:Español
Publicado: 2014
Materias:
Ciencias Naturales
host-switching, nematodes, filarioid, sigmodontine rodents, Oligoryzomys, Phyllotis, Rattus
Chile
cambio de hospedero, nemátodos, filarias, roedores sigmodontinos, Oligoryzomys, Phyllotis, Rattus
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/74525
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-74525
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Español
topic Ciencias Naturales
host-switching, nematodes, filarioid, sigmodontine rodents, Oligoryzomys, Phyllotis, Rattus
Chile
cambio de hospedero, nemátodos, filarias, roedores sigmodontinos, Oligoryzomys, Phyllotis, Rattus
spellingShingle Ciencias Naturales
host-switching, nematodes, filarioid, sigmodontine rodents, Oligoryzomys, Phyllotis, Rattus
Chile
cambio de hospedero, nemátodos, filarias, roedores sigmodontinos, Oligoryzomys, Phyllotis, Rattus
Landaeta Aqueveque, Carlos
Notarnicola, Juliana
Correa, Juana P.
Yáñez Meza, Andrea
Henríquez, Ana Lía
Cattan, Pedro E.
Botto Mahan, Carezza
Torres Pérez, Fernando
First record of Litomosoides pardinasi (Nematoda: Onchocercidae) in native and exotic rodents from Chile
topic_facet Ciencias Naturales
host-switching, nematodes, filarioid, sigmodontine rodents, Oligoryzomys, Phyllotis, Rattus
Chile
cambio de hospedero, nemátodos, filarias, roedores sigmodontinos, Oligoryzomys, Phyllotis, Rattus
description We report the first record of Litomosoides pardinasi in native and exotic rodents from Chile. Litomosoides pardinasi, described in the Argentine Patagonia parasitizing Phyllotis xanthopygus and Oligoryzomys longicaudatus, was found in Chile parasitizing the peritoneal and thoracic cavities of O. longicaudatus (prevalence (P)= 18.9%, mean intensity (MI)= 57.3) and Phyllotis darwini (P= 4.2%, MI= 10), and in the peritoneal cavity of Rattus rattus (P= 1.24%; MI= 22.5). Total P in native rodents from Chile was significantly lower than in Argentina, while the total MI was higher. Prevalence and MI of L. pardinasi in O. longicaudatus from Chile and Argentina showed non-significant differences; prevalence in P. darwini from Chile was significantly lower than in P. xanthopygus from Argentina and than in Chilean O. longicaudatus. Our results, together with those from Argentina, support the hypothesis that L. pardinasi is well established in O. longicaudatus, but seems to be recently acquired by P. darwini and the exotic R. rattus. Considering the known host distribution of Litomosoides species among the sigmodontines, our results also support the hypothesis that L. pardinasi first colonized the Oryzomyini tribe and later, by different phenomena of host-switching, colonized the Phyllotini tribe and the exotic R. rattus.
format Articulo
Articulo
author Landaeta Aqueveque, Carlos
Notarnicola, Juliana
Correa, Juana P.
Yáñez Meza, Andrea
Henríquez, Ana Lía
Cattan, Pedro E.
Botto Mahan, Carezza
Torres Pérez, Fernando
author_facet Landaeta Aqueveque, Carlos
Notarnicola, Juliana
Correa, Juana P.
Yáñez Meza, Andrea
Henríquez, Ana Lía
Cattan, Pedro E.
Botto Mahan, Carezza
Torres Pérez, Fernando
author_sort Landaeta Aqueveque, Carlos
title First record of Litomosoides pardinasi (Nematoda: Onchocercidae) in native and exotic rodents from Chile
title_short First record of Litomosoides pardinasi (Nematoda: Onchocercidae) in native and exotic rodents from Chile
title_full First record of Litomosoides pardinasi (Nematoda: Onchocercidae) in native and exotic rodents from Chile
title_fullStr First record of Litomosoides pardinasi (Nematoda: Onchocercidae) in native and exotic rodents from Chile
title_full_unstemmed First record of Litomosoides pardinasi (Nematoda: Onchocercidae) in native and exotic rodents from Chile
title_sort first record of litomosoides pardinasi (nematoda: onchocercidae) in native and exotic rodents from chile
publishDate 2014
url http://sedici.unlp.edu.ar/handle/10915/74525
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