Comparative Pathogenesis of Generalist AcMNPV and Specific RanuNPV in Larvae of Rachiplusia nu (Lepidoptera: Noctuidae) Following Single and Mixed Inoculations
The South American soybean pest, Rachiplusia nu (Guenée), is naturally infected by Autographa californica multiple nucleopolyhedrovirus (AcMNPV) and Rachiplusia nu nucleopolyhedrovirus (RanuNPV). We compared their pathogenicity to fourth-instar R. nu larvae, by evaluating time to death and virus spr...
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| Format: | info:ar-repo/semantics/artículo |
| Language: | Inglés |
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Oxford University Press
2021
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| Subjects: | |
| Online Access: | http://hdl.handle.net/20.500.12123/10995 https://academic.oup.com/jee/article/114/2/1009/6144816 https://doi.org/10.1093/jee/toab010 |
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| author | Decker Franco, Cecilia Taibo, Catalina Beatriz Di Rienzo, Julio A. Alfonso, Victoria Arneodo Larochette, Joel Demian |
| author_browse | Alfonso, Victoria Arneodo Larochette, Joel Demian Decker Franco, Cecilia Di Rienzo, Julio A. Taibo, Catalina Beatriz |
| author_facet | Decker Franco, Cecilia Taibo, Catalina Beatriz Di Rienzo, Julio A. Alfonso, Victoria Arneodo Larochette, Joel Demian |
| author_sort | Decker Franco, Cecilia |
| collection | INTA Digital |
| description | The South American soybean pest, Rachiplusia nu (Guenée), is naturally infected by Autographa californica multiple nucleopolyhedrovirus (AcMNPV) and Rachiplusia nu nucleopolyhedrovirus (RanuNPV). We compared their pathogenicity to fourth-instar R. nu larvae, by evaluating time to death and virus spread throughout the tissues in single and mixed infections. Bioassays showed that generalist AcMNPV had a faster speed of kill than specific RanuNPV, while the mixed-virus treatment did not statistically differ from AcMNPV alone. Histopathology evidenced similar tissue tropism for both viruses, but co-inoculation resulted in mostly
AcMNPV-infected cells. In sequential inoculations, however, the first virus administered predominated over the second one. Implications on baculovirus interactions and biocontrol potential are discussed. |
| format | info:ar-repo/semantics/artículo |
| id | INTA10995 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2021 |
| publishDateRange | 2021 |
| publishDateSort | 2021 |
| publisher | Oxford University Press |
| publisherStr | Oxford University Press |
| record_format | dspace |
| spelling | INTA109952022-08-12T16:23:42Z Comparative Pathogenesis of Generalist AcMNPV and Specific RanuNPV in Larvae of Rachiplusia nu (Lepidoptera: Noctuidae) Following Single and Mixed Inoculations Decker Franco, Cecilia Taibo, Catalina Beatriz Di Rienzo, Julio A. Alfonso, Victoria Arneodo Larochette, Joel Demian Rachiplusia Pathogenesis Patogénesis Viral Insecticide Rachiplusia nu Nucleopolyhedrovirus Mixed Infections The South American soybean pest, Rachiplusia nu (Guenée), is naturally infected by Autographa californica multiple nucleopolyhedrovirus (AcMNPV) and Rachiplusia nu nucleopolyhedrovirus (RanuNPV). We compared their pathogenicity to fourth-instar R. nu larvae, by evaluating time to death and virus spread throughout the tissues in single and mixed infections. Bioassays showed that generalist AcMNPV had a faster speed of kill than specific RanuNPV, while the mixed-virus treatment did not statistically differ from AcMNPV alone. Histopathology evidenced similar tissue tropism for both viruses, but co-inoculation resulted in mostly AcMNPV-infected cells. In sequential inoculations, however, the first virus administered predominated over the second one. Implications on baculovirus interactions and biocontrol potential are discussed. Instituto de Microbiología y Zoología Agrícola (IMYZA) Fil: Decker Franco, Cecilia. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Microbiología y Zoología Agrícola; Argentina Fil: Decker Franco, Cecilia. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; Argentina Fil: Taibo, Catalina Beatriz. Instituto Nacional de Tecnología Agropecuaria (INTA). Centro de Investigación en Ciencias Veterinarias y Agronómicas. Laboratorio Integral de Microscopía; Argentina Fil: Di Rienzo, Julio A. Universidad Nacional de Córdoba. Facultad de Ciencias Agropecuarias. Cátedra de Estadística y Biometría; Argentina Fil: Alfonso, Victoria. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; Argentina Fil: Alfonso, Victoria. Instituto Nacional de Tecnología Agropecuaria (INTA). Centro de Investigación en Ciencias Veterinarias y Agronómicas. Instituto de Biotecnología; Argentina Fil: Arneodo, Joel D. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Microbiología y Zoología Agrícola; Argentina Fil: Arneodo, Joel D. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; Argentina 2021-12-27T16:24:34Z 2021-12-27T16:24:34Z 2021-02-19 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/10995 https://academic.oup.com/jee/article/114/2/1009/6144816 1938-291X https://doi.org/10.1093/jee/toab010 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 Oxford University Press Journal of Economic Entomology 114 (2) : 1009-1014 (April 2021) |
| spellingShingle | Rachiplusia Pathogenesis Patogénesis Viral Insecticide Rachiplusia nu Nucleopolyhedrovirus Mixed Infections Decker Franco, Cecilia Taibo, Catalina Beatriz Di Rienzo, Julio A. Alfonso, Victoria Arneodo Larochette, Joel Demian Comparative Pathogenesis of Generalist AcMNPV and Specific RanuNPV in Larvae of Rachiplusia nu (Lepidoptera: Noctuidae) Following Single and Mixed Inoculations |
| title | Comparative Pathogenesis of Generalist AcMNPV and Specific RanuNPV in Larvae of Rachiplusia nu (Lepidoptera: Noctuidae) Following Single and Mixed Inoculations |
| title_full | Comparative Pathogenesis of Generalist AcMNPV and Specific RanuNPV in Larvae of Rachiplusia nu (Lepidoptera: Noctuidae) Following Single and Mixed Inoculations |
| title_fullStr | Comparative Pathogenesis of Generalist AcMNPV and Specific RanuNPV in Larvae of Rachiplusia nu (Lepidoptera: Noctuidae) Following Single and Mixed Inoculations |
| title_full_unstemmed | Comparative Pathogenesis of Generalist AcMNPV and Specific RanuNPV in Larvae of Rachiplusia nu (Lepidoptera: Noctuidae) Following Single and Mixed Inoculations |
| title_short | Comparative Pathogenesis of Generalist AcMNPV and Specific RanuNPV in Larvae of Rachiplusia nu (Lepidoptera: Noctuidae) Following Single and Mixed Inoculations |
| title_sort | comparative pathogenesis of generalist acmnpv and specific ranunpv in larvae of rachiplusia nu lepidoptera noctuidae following single and mixed inoculations |
| topic | Rachiplusia Pathogenesis Patogénesis Viral Insecticide Rachiplusia nu Nucleopolyhedrovirus Mixed Infections |
| url | http://hdl.handle.net/20.500.12123/10995 https://academic.oup.com/jee/article/114/2/1009/6144816 https://doi.org/10.1093/jee/toab010 |
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