Somatic Wolbachia (Rickettsiales: Rickettsiaceae) Levels in Culex quinquefasciatus and Culex pipiens (Diptera: Culicidae) and Resistance to West Nile Virus Infection
- Autores
- Micieli, Maria Victoria; Glaser, Robert L.
- Año de publicación
- 2014
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- The endosymbiotic bacteria Wolbachia pipientis Hertig infects a wide variety of insect species and can increase viral resistance in its host. Wolbachia naturally infects Culex quinquefasciatus Say and Culex pipiens L. mosquitoes, both vectors of West Nile virus (WNV). We recently demonstrated that Wolbachia infection of Cx. quinquefasciatus laboratory strain Ben95 increases host resistance to WNV infection, reducing vector competence. This observation raised the possibility that Wolbachia could impact vector competence in other populations of Cx. quinquefasciatus or Cx. pipiens. To investigate this possibility, Wolbachia densities were measured in Ben95 Cx. quinquefasciatus and compared to densities in a newly established colony of Cx. quinquefasciatus, and in field-collected and colonized Cx. pipiens. Wolbachia densities in somatic tissues of Ben95 Cx. quinquefasciatus were significantly higher than densities in the other mosquito populations tested. There was also no significant spatiotemporal variation in Wolbachia density in the field-collected Cx. pipiens, although significant familial differences were observed. Correlating Wolbachia densities and vector competence in individual colonized Cx. pipiens indicated that the low densities of somatic Wolbachia observed in the mosquitoes other than Ben95 Cx. quinquefasciatus were too low to inhibit WNV infection and reduce vector competence. These results suggest that the high Wolbachia densities capable of inducing resistance to WNV in Ben95 Cx. quinquefasciatus are not a general characteristic of Cx. quinquefasciatus or Cx. pipiens mosquitoes and that the impact of Wolbachia on vector competence in field populations of Cx. quinquefasciatus and Cx. pipiens, if any, is likely to be limited to specific populations.
Fil: Micieli, Maria Victoria. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico la Plata. Centro de Estudios Parasitológicos y de Vectores (i); Argentina
Fil: Glaser, Robert L.. Wadsworth Center. State Of New York Department Of Health; Estados Unidos - Materia
-
Wolbachia
West Nile Virus
Culex Mosquito - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/9548
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Somatic Wolbachia (Rickettsiales: Rickettsiaceae) Levels in Culex quinquefasciatus and Culex pipiens (Diptera: Culicidae) and Resistance to West Nile Virus InfectionMicieli, Maria VictoriaGlaser, Robert L.WolbachiaWest Nile VirusCulex Mosquitohttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1The endosymbiotic bacteria Wolbachia pipientis Hertig infects a wide variety of insect species and can increase viral resistance in its host. Wolbachia naturally infects Culex quinquefasciatus Say and Culex pipiens L. mosquitoes, both vectors of West Nile virus (WNV). We recently demonstrated that Wolbachia infection of Cx. quinquefasciatus laboratory strain Ben95 increases host resistance to WNV infection, reducing vector competence. This observation raised the possibility that Wolbachia could impact vector competence in other populations of Cx. quinquefasciatus or Cx. pipiens. To investigate this possibility, Wolbachia densities were measured in Ben95 Cx. quinquefasciatus and compared to densities in a newly established colony of Cx. quinquefasciatus, and in field-collected and colonized Cx. pipiens. Wolbachia densities in somatic tissues of Ben95 Cx. quinquefasciatus were significantly higher than densities in the other mosquito populations tested. There was also no significant spatiotemporal variation in Wolbachia density in the field-collected Cx. pipiens, although significant familial differences were observed. Correlating Wolbachia densities and vector competence in individual colonized Cx. pipiens indicated that the low densities of somatic Wolbachia observed in the mosquitoes other than Ben95 Cx. quinquefasciatus were too low to inhibit WNV infection and reduce vector competence. These results suggest that the high Wolbachia densities capable of inducing resistance to WNV in Ben95 Cx. quinquefasciatus are not a general characteristic of Cx. quinquefasciatus or Cx. pipiens mosquitoes and that the impact of Wolbachia on vector competence in field populations of Cx. quinquefasciatus and Cx. pipiens, if any, is likely to be limited to specific populations.Fil: Micieli, Maria Victoria. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico la Plata. Centro de Estudios Parasitológicos y de Vectores (i); ArgentinaFil: Glaser, Robert L.. Wadsworth Center. State Of New York Department Of Health; Estados UnidosEntomological Society Of America2014-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/9548Micieli, Maria Victoria; Glaser, Robert L.; Somatic Wolbachia (Rickettsiales: Rickettsiaceae) Levels in Culex quinquefasciatus and Culex pipiens (Diptera: Culicidae) and Resistance to West Nile Virus Infection; Entomological Society Of America; Journal Of Medical Entomology; 51; 1; 1-2014; 189-1990022-2585enginfo:eu-repo/semantics/altIdentifier/doi/10.1603/ME13152info:eu-repo/semantics/altIdentifier/url/https://www.ncbi.nlm.nih.gov/pubmed/24605469info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T09:54:50Zoai:ri.conicet.gov.ar:11336/9548instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-03 09:54:50.53CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Somatic Wolbachia (Rickettsiales: Rickettsiaceae) Levels in Culex quinquefasciatus and Culex pipiens (Diptera: Culicidae) and Resistance to West Nile Virus Infection |
title |
Somatic Wolbachia (Rickettsiales: Rickettsiaceae) Levels in Culex quinquefasciatus and Culex pipiens (Diptera: Culicidae) and Resistance to West Nile Virus Infection |
spellingShingle |
Somatic Wolbachia (Rickettsiales: Rickettsiaceae) Levels in Culex quinquefasciatus and Culex pipiens (Diptera: Culicidae) and Resistance to West Nile Virus Infection Micieli, Maria Victoria Wolbachia West Nile Virus Culex Mosquito |
title_short |
Somatic Wolbachia (Rickettsiales: Rickettsiaceae) Levels in Culex quinquefasciatus and Culex pipiens (Diptera: Culicidae) and Resistance to West Nile Virus Infection |
title_full |
Somatic Wolbachia (Rickettsiales: Rickettsiaceae) Levels in Culex quinquefasciatus and Culex pipiens (Diptera: Culicidae) and Resistance to West Nile Virus Infection |
title_fullStr |
Somatic Wolbachia (Rickettsiales: Rickettsiaceae) Levels in Culex quinquefasciatus and Culex pipiens (Diptera: Culicidae) and Resistance to West Nile Virus Infection |
title_full_unstemmed |
Somatic Wolbachia (Rickettsiales: Rickettsiaceae) Levels in Culex quinquefasciatus and Culex pipiens (Diptera: Culicidae) and Resistance to West Nile Virus Infection |
title_sort |
Somatic Wolbachia (Rickettsiales: Rickettsiaceae) Levels in Culex quinquefasciatus and Culex pipiens (Diptera: Culicidae) and Resistance to West Nile Virus Infection |
dc.creator.none.fl_str_mv |
Micieli, Maria Victoria Glaser, Robert L. |
author |
Micieli, Maria Victoria |
author_facet |
Micieli, Maria Victoria Glaser, Robert L. |
author_role |
author |
author2 |
Glaser, Robert L. |
author2_role |
author |
dc.subject.none.fl_str_mv |
Wolbachia West Nile Virus Culex Mosquito |
topic |
Wolbachia West Nile Virus Culex Mosquito |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.6 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
The endosymbiotic bacteria Wolbachia pipientis Hertig infects a wide variety of insect species and can increase viral resistance in its host. Wolbachia naturally infects Culex quinquefasciatus Say and Culex pipiens L. mosquitoes, both vectors of West Nile virus (WNV). We recently demonstrated that Wolbachia infection of Cx. quinquefasciatus laboratory strain Ben95 increases host resistance to WNV infection, reducing vector competence. This observation raised the possibility that Wolbachia could impact vector competence in other populations of Cx. quinquefasciatus or Cx. pipiens. To investigate this possibility, Wolbachia densities were measured in Ben95 Cx. quinquefasciatus and compared to densities in a newly established colony of Cx. quinquefasciatus, and in field-collected and colonized Cx. pipiens. Wolbachia densities in somatic tissues of Ben95 Cx. quinquefasciatus were significantly higher than densities in the other mosquito populations tested. There was also no significant spatiotemporal variation in Wolbachia density in the field-collected Cx. pipiens, although significant familial differences were observed. Correlating Wolbachia densities and vector competence in individual colonized Cx. pipiens indicated that the low densities of somatic Wolbachia observed in the mosquitoes other than Ben95 Cx. quinquefasciatus were too low to inhibit WNV infection and reduce vector competence. These results suggest that the high Wolbachia densities capable of inducing resistance to WNV in Ben95 Cx. quinquefasciatus are not a general characteristic of Cx. quinquefasciatus or Cx. pipiens mosquitoes and that the impact of Wolbachia on vector competence in field populations of Cx. quinquefasciatus and Cx. pipiens, if any, is likely to be limited to specific populations. Fil: Micieli, Maria Victoria. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico la Plata. Centro de Estudios Parasitológicos y de Vectores (i); Argentina Fil: Glaser, Robert L.. Wadsworth Center. State Of New York Department Of Health; Estados Unidos |
description |
The endosymbiotic bacteria Wolbachia pipientis Hertig infects a wide variety of insect species and can increase viral resistance in its host. Wolbachia naturally infects Culex quinquefasciatus Say and Culex pipiens L. mosquitoes, both vectors of West Nile virus (WNV). We recently demonstrated that Wolbachia infection of Cx. quinquefasciatus laboratory strain Ben95 increases host resistance to WNV infection, reducing vector competence. This observation raised the possibility that Wolbachia could impact vector competence in other populations of Cx. quinquefasciatus or Cx. pipiens. To investigate this possibility, Wolbachia densities were measured in Ben95 Cx. quinquefasciatus and compared to densities in a newly established colony of Cx. quinquefasciatus, and in field-collected and colonized Cx. pipiens. Wolbachia densities in somatic tissues of Ben95 Cx. quinquefasciatus were significantly higher than densities in the other mosquito populations tested. There was also no significant spatiotemporal variation in Wolbachia density in the field-collected Cx. pipiens, although significant familial differences were observed. Correlating Wolbachia densities and vector competence in individual colonized Cx. pipiens indicated that the low densities of somatic Wolbachia observed in the mosquitoes other than Ben95 Cx. quinquefasciatus were too low to inhibit WNV infection and reduce vector competence. These results suggest that the high Wolbachia densities capable of inducing resistance to WNV in Ben95 Cx. quinquefasciatus are not a general characteristic of Cx. quinquefasciatus or Cx. pipiens mosquitoes and that the impact of Wolbachia on vector competence in field populations of Cx. quinquefasciatus and Cx. pipiens, if any, is likely to be limited to specific populations. |
publishDate |
2014 |
dc.date.none.fl_str_mv |
2014-01 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/9548 Micieli, Maria Victoria; Glaser, Robert L.; Somatic Wolbachia (Rickettsiales: Rickettsiaceae) Levels in Culex quinquefasciatus and Culex pipiens (Diptera: Culicidae) and Resistance to West Nile Virus Infection; Entomological Society Of America; Journal Of Medical Entomology; 51; 1; 1-2014; 189-199 0022-2585 |
url |
http://hdl.handle.net/11336/9548 |
identifier_str_mv |
Micieli, Maria Victoria; Glaser, Robert L.; Somatic Wolbachia (Rickettsiales: Rickettsiaceae) Levels in Culex quinquefasciatus and Culex pipiens (Diptera: Culicidae) and Resistance to West Nile Virus Infection; Entomological Society Of America; Journal Of Medical Entomology; 51; 1; 1-2014; 189-199 0022-2585 |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/doi/10.1603/ME13152 info:eu-repo/semantics/altIdentifier/url/https://www.ncbi.nlm.nih.gov/pubmed/24605469 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Entomological Society Of America |
publisher.none.fl_str_mv |
Entomological Society Of America |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
reponame_str |
CONICET Digital (CONICET) |
collection |
CONICET Digital (CONICET) |
instname_str |
Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.name.fl_str_mv |
CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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1842269310130585600 |
score |
13.13397 |