A new host of Trypanosoma cruzi from Jujuy, Argentina: Octodontomys gliroides (Gervais & D'Orbigny, 1844) (Rodentia, Octodontidae).

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To identify wild hosts of Trypanosoma cruzi, surveys were conducted in the subandean valleys of Jujuy Province, Argentina, between June 1986 and March 1987. Seventy two mammals from 13 different species were examined by xenodiagnosis. Fifty two of them were mostly rodents trapped at the localities o...

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Autores principales: Schweigmann, N.J., Alberti, A., Pietrokovsky, S., Conti, O., Riarte, A., Montoya, S., Wisnivesky-Colli, C.
Formato: Artículo publishedVersion
Lenguaje:Inglés
Publicado: 1992
Materias:
animal
Argentina
article
cat
disease carrier
dog
host parasite interaction
isolation and purification
mouse
parasitology
rodent
Trypanosoma cruzi
Animals
Cats
Disease Vectors
Dogs
Host-Parasite Relations
Mice
Rodentia
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_00740276_v87_n2_p217_Schweigmann
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id paperaa:paper_00740276_v87_n2_p217_Schweigmann
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spelling paperaa:paper_00740276_v87_n2_p217_Schweigmann2023-06-12T16:45:46Z A new host of Trypanosoma cruzi from Jujuy, Argentina: Octodontomys gliroides (Gervais & D'Orbigny, 1844) (Rodentia, Octodontidae). Mem. Inst. Oswaldo Cruz 1992;87(2):217-220 Schweigmann, N.J. Alberti, A. Pietrokovsky, S. Conti, O. Riarte, A. Montoya, S. Wisnivesky-Colli, C. animal Argentina article cat disease carrier dog host parasite interaction isolation and purification mouse parasitology rodent Trypanosoma cruzi Animals Argentina Cats Disease Vectors Dogs Host-Parasite Relations Mice Rodentia Trypanosoma cruzi To identify wild hosts of Trypanosoma cruzi, surveys were conducted in the subandean valleys of Jujuy Province, Argentina, between June 1986 and March 1987. Seventy two mammals from 13 different species were examined by xenodiagnosis. Fifty two of them were mostly rodents trapped at the localities of Maimará, León and Tilcara, and the remainder had been kept in captivity at the Estación Biológica Experimental, in Jujuy. Trypanosoma cruzi infection was detected only in 2 Octodontomys gliroides (2 pos./8 exam. 25%) from all 72 examined mammals. Isolates were called Octodontomys Argentina 1 and 2 (OA1 and OA2). Both infected animals were caught at the archaelogical ruin of Pucará, at Tilcara. Repeated searches for triatomines in the ruin itself and in neighbour houses rendered negative results. Groups of mice inoculated with either OA1 or OA2 isolates became infected between 7 (OA1) to 12 days (OA2) postinoculation PI. Parasitemia peaks were observed between day 12th-14th PI. Scarce amastigote nests were found in myocardium and skeletal muscle. Mortality was observed only for mice inoculated with OA1. Isoenzyme patterns of OA1 and OA2 were identical to one found in dogs and slightly different from that of human parasites in Argentina. Bones from Octodontomys sp., were recently found in a cave, dated 10200-8600 BC, in Pumamarca, near Tilcara, Jujuy. There are evidences that O. gliroides cohabited with man in ancient times and was associated to the domestic cycle of T. cruzi transmission, playing a role like that of domestic caves in Bolivia. Fil:Schweigmann, N.J. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Pietrokovsky, S. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Wisnivesky-Colli, C. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 1992 info:eu-repo/semantics/article info:ar-repo/semantics/artículo info:eu-repo/semantics/publishedVersion application/pdf eng info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_00740276_v87_n2_p217_Schweigmann
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
language Inglés
orig_language_str_mv eng
topic animal
Argentina
article
cat
disease carrier
dog
host parasite interaction
isolation and purification
mouse
parasitology
rodent
Trypanosoma cruzi
Animals
Argentina
Cats
Disease Vectors
Dogs
Host-Parasite Relations
Mice
Rodentia
Trypanosoma cruzi
spellingShingle animal
Argentina
article
cat
disease carrier
dog
host parasite interaction
isolation and purification
mouse
parasitology
rodent
Trypanosoma cruzi
Animals
Argentina
Cats
Disease Vectors
Dogs
Host-Parasite Relations
Mice
Rodentia
Trypanosoma cruzi
Schweigmann, N.J.
Alberti, A.
Pietrokovsky, S.
Conti, O.
Riarte, A.
Montoya, S.
Wisnivesky-Colli, C.
A new host of Trypanosoma cruzi from Jujuy, Argentina: Octodontomys gliroides (Gervais & D'Orbigny, 1844) (Rodentia, Octodontidae).
topic_facet animal
Argentina
article
cat
disease carrier
dog
host parasite interaction
isolation and purification
mouse
parasitology
rodent
Trypanosoma cruzi
Animals
Argentina
Cats
Disease Vectors
Dogs
Host-Parasite Relations
Mice
Rodentia
Trypanosoma cruzi
description To identify wild hosts of Trypanosoma cruzi, surveys were conducted in the subandean valleys of Jujuy Province, Argentina, between June 1986 and March 1987. Seventy two mammals from 13 different species were examined by xenodiagnosis. Fifty two of them were mostly rodents trapped at the localities of Maimará, León and Tilcara, and the remainder had been kept in captivity at the Estación Biológica Experimental, in Jujuy. Trypanosoma cruzi infection was detected only in 2 Octodontomys gliroides (2 pos./8 exam. 25%) from all 72 examined mammals. Isolates were called Octodontomys Argentina 1 and 2 (OA1 and OA2). Both infected animals were caught at the archaelogical ruin of Pucará, at Tilcara. Repeated searches for triatomines in the ruin itself and in neighbour houses rendered negative results. Groups of mice inoculated with either OA1 or OA2 isolates became infected between 7 (OA1) to 12 days (OA2) postinoculation PI. Parasitemia peaks were observed between day 12th-14th PI. Scarce amastigote nests were found in myocardium and skeletal muscle. Mortality was observed only for mice inoculated with OA1. Isoenzyme patterns of OA1 and OA2 were identical to one found in dogs and slightly different from that of human parasites in Argentina. Bones from Octodontomys sp., were recently found in a cave, dated 10200-8600 BC, in Pumamarca, near Tilcara, Jujuy. There are evidences that O. gliroides cohabited with man in ancient times and was associated to the domestic cycle of T. cruzi transmission, playing a role like that of domestic caves in Bolivia.
format Artículo
Artículo
publishedVersion
author Schweigmann, N.J.
Alberti, A.
Pietrokovsky, S.
Conti, O.
Riarte, A.
Montoya, S.
Wisnivesky-Colli, C.
author_facet Schweigmann, N.J.
Alberti, A.
Pietrokovsky, S.
Conti, O.
Riarte, A.
Montoya, S.
Wisnivesky-Colli, C.
author_sort Schweigmann, N.J.
title A new host of Trypanosoma cruzi from Jujuy, Argentina: Octodontomys gliroides (Gervais & D'Orbigny, 1844) (Rodentia, Octodontidae).
title_short A new host of Trypanosoma cruzi from Jujuy, Argentina: Octodontomys gliroides (Gervais & D'Orbigny, 1844) (Rodentia, Octodontidae).
title_full A new host of Trypanosoma cruzi from Jujuy, Argentina: Octodontomys gliroides (Gervais & D'Orbigny, 1844) (Rodentia, Octodontidae).
title_fullStr A new host of Trypanosoma cruzi from Jujuy, Argentina: Octodontomys gliroides (Gervais & D'Orbigny, 1844) (Rodentia, Octodontidae).
title_full_unstemmed A new host of Trypanosoma cruzi from Jujuy, Argentina: Octodontomys gliroides (Gervais & D'Orbigny, 1844) (Rodentia, Octodontidae).
title_sort new host of trypanosoma cruzi from jujuy, argentina: octodontomys gliroides (gervais & d'orbigny, 1844) (rodentia, octodontidae).
publishDate 1992
url http://hdl.handle.net/20.500.12110/paper_00740276_v87_n2_p217_Schweigmann
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