Frequency and associated factors of Ehrlichia canis and Anaplasma spp. in dogs from a peri-urban community of Yucatan, Mexico
Ehrlichia and Anaplasma are bacterial genera (family Anaplasmataceae, order Rickettsiales) that include tick-borne species responsible for emerging and reemerging diseases of importance to both animal and public health. Dogs living in regions with abundant tick vectors may act as hosts for Ehrlichia...
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Universidad Nacional del Nordeste
2026
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| Acceso en línea: | https://revistas.unne.edu.ar/index.php/vet/article/view/9291 |
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I48-R154-article-9291 |
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Universidad Nacional del Nordeste |
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R-154 |
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Revistas UNNE - Universidad Nacional del Noroeste (UNNE) |
| language |
Español |
| format |
Artículo revista |
| topic |
Pets canines veterinary medicine public health tick-borne bacteria ectoparasites Mascotas caninos medicina veterinaria salud pública bacterias transmitidas por garrapatas ectoparásitos |
| spellingShingle |
Pets canines veterinary medicine public health tick-borne bacteria ectoparasites Mascotas caninos medicina veterinaria salud pública bacterias transmitidas por garrapatas ectoparásitos Osorio-Primo, T. Lugo-Caballero, C. Noh-Pech, H. Suárez-Galaz, A.R. Sánchez-Montes, S. Arroyo-Ramírez, A. Rodríguez-Vivas, R.I. Flota-Burgos, G. Ochoa-Valencia, J.L Bolio-González, M Torres-Castro, M. Frequency and associated factors of Ehrlichia canis and Anaplasma spp. in dogs from a peri-urban community of Yucatan, Mexico |
| topic_facet |
Pets canines veterinary medicine public health tick-borne bacteria ectoparasites Mascotas caninos medicina veterinaria salud pública bacterias transmitidas por garrapatas ectoparásitos |
| author |
Osorio-Primo, T. Lugo-Caballero, C. Noh-Pech, H. Suárez-Galaz, A.R. Sánchez-Montes, S. Arroyo-Ramírez, A. Rodríguez-Vivas, R.I. Flota-Burgos, G. Ochoa-Valencia, J.L Bolio-González, M Torres-Castro, M. |
| author_facet |
Osorio-Primo, T. Lugo-Caballero, C. Noh-Pech, H. Suárez-Galaz, A.R. Sánchez-Montes, S. Arroyo-Ramírez, A. Rodríguez-Vivas, R.I. Flota-Burgos, G. Ochoa-Valencia, J.L Bolio-González, M Torres-Castro, M. |
| author_sort |
Osorio-Primo, T. |
| title |
Frequency and associated factors of Ehrlichia canis and Anaplasma spp. in dogs from a peri-urban community of Yucatan, Mexico |
| title_short |
Frequency and associated factors of Ehrlichia canis and Anaplasma spp. in dogs from a peri-urban community of Yucatan, Mexico |
| title_full |
Frequency and associated factors of Ehrlichia canis and Anaplasma spp. in dogs from a peri-urban community of Yucatan, Mexico |
| title_fullStr |
Frequency and associated factors of Ehrlichia canis and Anaplasma spp. in dogs from a peri-urban community of Yucatan, Mexico |
| title_full_unstemmed |
Frequency and associated factors of Ehrlichia canis and Anaplasma spp. in dogs from a peri-urban community of Yucatan, Mexico |
| title_sort |
frequency and associated factors of ehrlichia canis and anaplasma spp. in dogs from a peri-urban community of yucatan, mexico |
| description |
Ehrlichia and Anaplasma are bacterial genera (family Anaplasmataceae, order Rickettsiales) that include tick-borne species responsible for emerging and reemerging diseases of importance to both animal and public health. Dogs living in regions with abundant tick vectors may act as hosts for Ehrlichia and Anaplasma species. The objective of this study was to determine the DNA detection frequency of Ehrlichia and Anaplasma, characterize the circulating species, and identify factors associated with their occurrence in dogs from a peri-urban community in Yucatan, Mexico. A total of 67 dogs (n=67) from Ucú, Yucatan, were included in the study. Blood samples were collected, and demographic and environmental characteristics were recorded. Genomic DNA was extracted and used for the detection of Ehrlichia and Anaplasma by endpoint PCR. In addition, bioinformatic tools and phylogenetic analyses were used to characterize the detected species. Chi-square or Fisher's exact test, as appropriate, was performed to identify significant associations (p<0.05) between positive cases and the response variables. Overall, 62.6% (42/67) of dogs tested positive for Anaplasmataceae, 61.1% (41/67) for Ehrlichia, and 17.9% (12/67) for Anaplasma. Sequence and phylogenetic analyses revealed homologies with E. canis, A. platys, and A. phagocytophilum. Significant associations were found between Ehrlichia frequency and the variables “non-ideal” body condition (p=0.042), zone of the dwelling "interior" (p=0.009), and zone of the dwelling "exterior" (p=0.002), while the zone of the dwelling "central" (p=0.006) was associated with Anaplasma frequency. The circulation of these bacteria was confirmed in the studied dogs. These findings suggest that the distributions of E. canis and Anaplasma spp. is not homogeneous within the study area. Future studies should evaluate the eco-epidemiological factors influencing the local distribution of these pathogens.
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| publisher |
Universidad Nacional del Nordeste |
| publishDate |
2026 |
| url |
https://revistas.unne.edu.ar/index.php/vet/article/view/9291 |
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I48-R154-article-92912026-05-12T12:21:59Z Frequency and associated factors of Ehrlichia canis and Anaplasma spp. in dogs from a peri-urban community of Yucatan, Mexico Frecuencia y factores asociados con Ehrlichia canis y Anaplasma spp. en perros de una comunidad periurbana de Yucatán, México Osorio-Primo, T. Lugo-Caballero, C. Noh-Pech, H. Suárez-Galaz, A.R. Sánchez-Montes, S. Arroyo-Ramírez, A. Rodríguez-Vivas, R.I. Flota-Burgos, G. Ochoa-Valencia, J.L Bolio-González, M Torres-Castro, M. Pets canines veterinary medicine public health tick-borne bacteria ectoparasites Mascotas caninos medicina veterinaria salud pública bacterias transmitidas por garrapatas ectoparásitos Ehrlichia and Anaplasma are bacterial genera (family Anaplasmataceae, order Rickettsiales) that include tick-borne species responsible for emerging and reemerging diseases of importance to both animal and public health. Dogs living in regions with abundant tick vectors may act as hosts for Ehrlichia and Anaplasma species. The objective of this study was to determine the DNA detection frequency of Ehrlichia and Anaplasma, characterize the circulating species, and identify factors associated with their occurrence in dogs from a peri-urban community in Yucatan, Mexico. A total of 67 dogs (n=67) from Ucú, Yucatan, were included in the study. Blood samples were collected, and demographic and environmental characteristics were recorded. Genomic DNA was extracted and used for the detection of Ehrlichia and Anaplasma by endpoint PCR. In addition, bioinformatic tools and phylogenetic analyses were used to characterize the detected species. Chi-square or Fisher's exact test, as appropriate, was performed to identify significant associations (p<0.05) between positive cases and the response variables. Overall, 62.6% (42/67) of dogs tested positive for Anaplasmataceae, 61.1% (41/67) for Ehrlichia, and 17.9% (12/67) for Anaplasma. Sequence and phylogenetic analyses revealed homologies with E. canis, A. platys, and A. phagocytophilum. Significant associations were found between Ehrlichia frequency and the variables “non-ideal” body condition (p=0.042), zone of the dwelling "interior" (p=0.009), and zone of the dwelling "exterior" (p=0.002), while the zone of the dwelling "central" (p=0.006) was associated with Anaplasma frequency. The circulation of these bacteria was confirmed in the studied dogs. These findings suggest that the distributions of E. canis and Anaplasma spp. is not homogeneous within the study area. Future studies should evaluate the eco-epidemiological factors influencing the local distribution of these pathogens. Ehrlichia y Anaplasma son géneros bacterianos (familia Anaplasmataceae, orden Rickettsiales) con especies transmitidas vectorialmente por garrapatas. Algunas especies causan enfermedades emergentes y reemergentes que son importantes para la salud pública y animal. Los perros de regiones con abundantes vectores pueden hospedar bacterias de Ehrlichia y Anaplasma. El objetivo fue reportar la frecuencia de ADN de Ehrlichia y Anaplasma, caracterizar las especies e identificar factores asociados con su frecuencia en perros de una comunidad periurbana de Yucatán, México. Se estudiaron 67 (n=67) perros de Ucú, Yucatán, de los cuales se recolectaron muestras de sangre y se obtuvieron las características demográficas y del sitio de estudio. Se extrajo el ADN genómico de las muestras y se utilizó para detectar Ehrlichia y Anaplasma mediante PCR punto final. Además, se emplearon herramientas bioinformáticas y árboles filogenéticos para caracterizar las especies de Ehrlichia y Anaplasma. Se realizó la prueba de c2 o la prueba exacta de Fisher, según corresponda, para identificar la asociación significativa (p<0,05) entre los casos positivos y las variables de respuesta. El 62,6% (42/67) de los perros fue positivo para Anaplasmataceae, el 61,1% (41/67) para Ehrlichia y el 17,9% (12/67) para Anaplasma. Las herramientas bioinformáticas y los árboles filogenéticos revelaron homologías con E. canis, A. platys y A. phagocytophilum. Las pruebas estadísticas mostraron asociación entre las variables condición corporal “no ideal” (p=0,042), zona de la vivienda “interior” (p=0,009) y zona de la vivienda “exterior” (p=0,002) con la frecuencia de Ehrlichia, y la variable zona de la vivienda “central” (p=0,006) con la frecuencia de Anaplasma. Se demostró la presencia de estas bacterias en los perros estudiados. Los resultados sugieren que la distribución de E. canis y Anaplasma spp. no es homogénea en el sitio de estudio. Estudios futuros deberían evaluar los factores ecoepidemiológicos que influyen en la distribución de la frecuencia de Ehrlichia y Anaplasma, al menos a nivel local. Universidad Nacional del Nordeste 2026-05-01 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf text/xml application/epub+zip text/html https://revistas.unne.edu.ar/index.php/vet/article/view/9291 10.30972/vet.3719291 Revista Veterinaria; Vol. 37 (2026); 1-12 Revista Veterinaria; Vol. 37 (2026); 1-12 1669-6840 1668-4834 spa https://revistas.unne.edu.ar/index.php/vet/article/view/9291/9180 https://revistas.unne.edu.ar/index.php/vet/article/view/9291/9210 https://revistas.unne.edu.ar/index.php/vet/article/view/9291/9211 https://revistas.unne.edu.ar/index.php/vet/article/view/9291/9212 Derechos de autor 2026 T. Osorio-Primo, C. Lugo-Caballero, H. Noh-Pech, A.R. Suárez-Galaz, S. Sánchez-Montes, A. Arroyo-Ramírez, R.I. Rodríguez-Vivas, G. Flota-Burgos, J.L Ochoa-Valencia, M Bolio-González, M. Torres-Castro https://creativecommons.org/licenses/by-nc/4.0 |