Rhipicephalus microplus and Its Impact on Anaplasma marginale Multistrain Infections in Contrasting Epidemiological Contexts
Bovine anaplasmosis is a disease caused by Anaplasma marginale, a tick-borne bacterial pathogen with global distribution, primarily determined by the range of its vector. In Argentina, Rhipicephalus microplus is the main species associated with A. marginale transmission, even though this bacterium c...
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| Format: | info:ar-repo/semantics/artículo |
| Language: | Inglés |
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MDPI
2025
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| Online Access: | http://hdl.handle.net/20.500.12123/21234 https://www.mdpi.com/2076-0817/14/2/160 https://doi.org/10.3390/pathogens14020160 |
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| author | Pérez, Agustina Ericlee Guillemi, Eliana Carolina Sarmiento, Nestor Fabian Canton, German Jose Farber, Marisa Diana |
| author_browse | Canton, German Jose Farber, Marisa Diana Guillemi, Eliana Carolina Pérez, Agustina Ericlee Sarmiento, Nestor Fabian |
| author_facet | Pérez, Agustina Ericlee Guillemi, Eliana Carolina Sarmiento, Nestor Fabian Canton, German Jose Farber, Marisa Diana |
| author_sort | Pérez, Agustina Ericlee |
| collection | INTA Digital |
| description | Bovine anaplasmosis is a disease caused by Anaplasma marginale, a tick-borne bacterial pathogen with global distribution, primarily determined by the range of its vector. In Argentina, Rhipicephalus microplus is the main species associated with A. marginale transmission, even though this bacterium can also be mechanically transmitted. We studied complex infections (more than one A. marginale variant) in naturally infected bovines from two different epidemiological contexts: a region with the tick vector and a tick-free region. In the tick-free area, symptomatic infections were associated with a single A. marginale genotype, while asymptomatic bovines from the same herd remained chronically infected with a low number of genotype variants. By contrast, in the region where R. microplus is present, the only symptomatic bovine showed highly diverse infections, with 19 distinctive genotypes. Additionally, A. marginale genotypes were also detected in tick tissues. These findings, together with previous data, indicate that R. microplus harbors A. marginale populations that are maintained through tick generations by means of transovarial transmission. Furthermore, this tick species is responsible for maintaining A. marginale diversity in the bovine host over time through coinfection and superinfection events |
| format | info:ar-repo/semantics/artículo |
| id | INTA21234 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2025 |
| publishDateRange | 2025 |
| publishDateSort | 2025 |
| publisher | MDPI |
| publisherStr | MDPI |
| record_format | dspace |
| spelling | INTA212342025-02-13T10:03:34Z Rhipicephalus microplus and Its Impact on Anaplasma marginale Multistrain Infections in Contrasting Epidemiological Contexts Pérez, Agustina Ericlee Guillemi, Eliana Carolina Sarmiento, Nestor Fabian Canton, German Jose Farber, Marisa Diana Anaplasma marginale Epidemiología Garrapata Infección Anaplasmosis Bovina Epidemiology Ticks Infection Bovine Anaplasmosis Rhipicephalus microplus Bovine anaplasmosis is a disease caused by Anaplasma marginale, a tick-borne bacterial pathogen with global distribution, primarily determined by the range of its vector. In Argentina, Rhipicephalus microplus is the main species associated with A. marginale transmission, even though this bacterium can also be mechanically transmitted. We studied complex infections (more than one A. marginale variant) in naturally infected bovines from two different epidemiological contexts: a region with the tick vector and a tick-free region. In the tick-free area, symptomatic infections were associated with a single A. marginale genotype, while asymptomatic bovines from the same herd remained chronically infected with a low number of genotype variants. By contrast, in the region where R. microplus is present, the only symptomatic bovine showed highly diverse infections, with 19 distinctive genotypes. Additionally, A. marginale genotypes were also detected in tick tissues. These findings, together with previous data, indicate that R. microplus harbors A. marginale populations that are maintained through tick generations by means of transovarial transmission. Furthermore, this tick species is responsible for maintaining A. marginale diversity in the bovine host over time through coinfection and superinfection events EEA Balcarce Fil: Pérez, Agustina. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Agrobiotecnología y Biología Molecular; Argentina Fil: Guillemi, Eliana. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Agrobiotecnología y Biología Molecular; Argentina Fil: Sarmiento, Néstor. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Mercedes; Argentina Fil: Cantón, Germán José. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce. Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible; Argentina Fil: Farber, Marisa. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Agrobiotecnología y Biología Molecular; Argentina 2025-02-13T09:52:13Z 2025-02-13T09:52:13Z 2025-02-07 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/21234 https://www.mdpi.com/2076-0817/14/2/160 20760817 (online) https://doi.org/10.3390/pathogens14020160 eng info:eu-repograntAgreement/INTA/2023-PD-L01-I089, Microbiomas en ecosistemas agropecuarios: la conexión integradora del enfoque Una Salud 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 MDPI Pathogens 14 (2) : 160 (February 2025) |
| spellingShingle | Anaplasma marginale Epidemiología Garrapata Infección Anaplasmosis Bovina Epidemiology Ticks Infection Bovine Anaplasmosis Rhipicephalus microplus Pérez, Agustina Ericlee Guillemi, Eliana Carolina Sarmiento, Nestor Fabian Canton, German Jose Farber, Marisa Diana Rhipicephalus microplus and Its Impact on Anaplasma marginale Multistrain Infections in Contrasting Epidemiological Contexts |
| title | Rhipicephalus microplus and Its Impact on Anaplasma marginale Multistrain Infections in Contrasting Epidemiological Contexts |
| title_full | Rhipicephalus microplus and Its Impact on Anaplasma marginale Multistrain Infections in Contrasting Epidemiological Contexts |
| title_fullStr | Rhipicephalus microplus and Its Impact on Anaplasma marginale Multistrain Infections in Contrasting Epidemiological Contexts |
| title_full_unstemmed | Rhipicephalus microplus and Its Impact on Anaplasma marginale Multistrain Infections in Contrasting Epidemiological Contexts |
| title_short | Rhipicephalus microplus and Its Impact on Anaplasma marginale Multistrain Infections in Contrasting Epidemiological Contexts |
| title_sort | rhipicephalus microplus and its impact on anaplasma marginale multistrain infections in contrasting epidemiological contexts |
| topic | Anaplasma marginale Epidemiología Garrapata Infección Anaplasmosis Bovina Epidemiology Ticks Infection Bovine Anaplasmosis Rhipicephalus microplus |
| url | http://hdl.handle.net/20.500.12123/21234 https://www.mdpi.com/2076-0817/14/2/160 https://doi.org/10.3390/pathogens14020160 |
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