Spotted fever group rickettsiae in Amblyomma ticks likely to infest humans in rural areas from northwestern Argentina
This work was performed to detect Rickettsia species of the spotted fever group in Amblyomma ticks likely to infest humans in rural areas from northwestern Argentina. Free-living ticks were collected and determined as Amblyomma tigrinum, Amblyomma neumanni and Amblyomma tonelliae. Rickettsia infect...
| Main Authors: | , , |
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| Format: | Artículo |
| Language: | Inglés |
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2018
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| Online Access: | http://hdl.handle.net/20.500.12123/2476 |
| _version_ | 1855483063124885504 |
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| author | Saracho Bottero, Maria Noelia Tarragona, Evelina Luisa Nava, Santiago |
| author_browse | Nava, Santiago Saracho Bottero, Maria Noelia Tarragona, Evelina Luisa |
| author_facet | Saracho Bottero, Maria Noelia Tarragona, Evelina Luisa Nava, Santiago |
| author_sort | Saracho Bottero, Maria Noelia |
| collection | INTA Digital |
| description | This work was performed to detect Rickettsia species of the spotted fever group in Amblyomma
ticks likely to infest humans in rural areas from northwestern Argentina. Free-living ticks were collected and determined as Amblyomma tigrinum, Amblyomma neumanni and Amblyomma tonelliae. Rickettsia infection was determined by polymerase chain reactions which amplify fragments of the rickettsial genes gltA and ompA. A high frequency (35/44, 79.5%) of Candidatus “Rickettsia andeanae” was observed in A. tigrinum ticks, and Candidatus “Rickettsia amblyommii” was found in three out of 14 nymphs of A. neumanni. All 14 Amblyomma tonelliae ticks were negative for rikettsiae. The infection with spotted fever group rickettsiae in ticks aggressive for humans reveals the potential risk of exposure to tick-borne pathogens of people inhabiting rural areas of northwestern Argentina. |
| format | Artículo |
| id | INTA2476 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2018 |
| publishDateRange | 2018 |
| publishDateSort | 2018 |
| record_format | dspace |
| spelling | INTA24762018-05-24T12:53:19Z Spotted fever group rickettsiae in Amblyomma ticks likely to infest humans in rural areas from northwestern Argentina Saracho Bottero, Maria Noelia Tarragona, Evelina Luisa Nava, Santiago Amblyomma Metastigmata Rickettsia Enfermedades Infecciosas Infectious Diseases Garrapatas Spotted Fever Rickettsiae Región Noroeste Argentina This work was performed to detect Rickettsia species of the spotted fever group in Amblyomma ticks likely to infest humans in rural areas from northwestern Argentina. Free-living ticks were collected and determined as Amblyomma tigrinum, Amblyomma neumanni and Amblyomma tonelliae. Rickettsia infection was determined by polymerase chain reactions which amplify fragments of the rickettsial genes gltA and ompA. A high frequency (35/44, 79.5%) of Candidatus “Rickettsia andeanae” was observed in A. tigrinum ticks, and Candidatus “Rickettsia amblyommii” was found in three out of 14 nymphs of A. neumanni. All 14 Amblyomma tonelliae ticks were negative for rikettsiae. The infection with spotted fever group rickettsiae in ticks aggressive for humans reveals the potential risk of exposure to tick-borne pathogens of people inhabiting rural areas of northwestern Argentina. El objetivo de este trabajo fue detectar rickettsias del grupo de las fiebres manchadas en garrapatas del género Amblyomma capaces de infestar humanos, en áreas rurales del noroeste de Argentina. Se colectaron garrapatas en su fase de vida libre que fueron determinadas como Amblyomma tigrinum, Amblyomma neumanni y Amblyomma tonelliae. La infección con Rickettsia fue determinada utilizando la reacción en cadena de la polimerasa para amplificar los genes gltA y ompA. Candidatus “Rickettsia andeanae” fue detectada en A. tigrinum con alta frecuencia (35/44, 79.5%), mientras que Candidatus “Rickettsia amblyommii” fue encontrada en tres de las 14 ninfas de A. neumanni. Los 14 especímenes de A. tonelliae fueron negativos. La infección de garrapatas capaces de infestar humanos con rickettsias del grupo de las fiebres manchadas evidencia el riesgo potencial al que están expuestos los humanos que habitan o frecuentan áreas rurales del noroeste argentino. EEA Rafaela Fil: Saracho Bottero, Maria Noelia. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Rafaela; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Tarragona, Evelina Luisa. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Rafaela; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Nava, Santiago. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Rafaela; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina 2018-05-24T12:49:15Z 2018-05-24T12:49:15Z 2015 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/2476 0025-7680 eng info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) application/pdf Medicina (Buenos Aires) 75 (6) : 391-395. (2015) |
| spellingShingle | Amblyomma Metastigmata Rickettsia Enfermedades Infecciosas Infectious Diseases Garrapatas Spotted Fever Rickettsiae Región Noroeste Argentina Saracho Bottero, Maria Noelia Tarragona, Evelina Luisa Nava, Santiago Spotted fever group rickettsiae in Amblyomma ticks likely to infest humans in rural areas from northwestern Argentina |
| title | Spotted fever group rickettsiae in Amblyomma ticks likely to infest humans in rural areas from northwestern Argentina |
| title_full | Spotted fever group rickettsiae in Amblyomma ticks likely to infest humans in rural areas from northwestern Argentina |
| title_fullStr | Spotted fever group rickettsiae in Amblyomma ticks likely to infest humans in rural areas from northwestern Argentina |
| title_full_unstemmed | Spotted fever group rickettsiae in Amblyomma ticks likely to infest humans in rural areas from northwestern Argentina |
| title_short | Spotted fever group rickettsiae in Amblyomma ticks likely to infest humans in rural areas from northwestern Argentina |
| title_sort | spotted fever group rickettsiae in amblyomma ticks likely to infest humans in rural areas from northwestern argentina |
| topic | Amblyomma Metastigmata Rickettsia Enfermedades Infecciosas Infectious Diseases Garrapatas Spotted Fever Rickettsiae Región Noroeste Argentina |
| url | http://hdl.handle.net/20.500.12123/2476 |
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