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Article

Natural Coinfection between Novel Species of Baculoviruses in Spodoptera ornithogalli Larvae

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Corporación Colombiana de Investigación Agropecuaria-Agrosavia, Centro de Investigación Tibaitatá, Kilómetro 14 vía Mosquera, Bogotá 250047, Cundinamarca, Colombia
2
Microbial Solutions, AgResearch Ltd., Lincoln Research Centre, Private Bag 4749, Christchurch 8140, New Zealand
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Laboratorio de Ingeniería Genética y Biología Celular y Molecular—Área Virosis de Insectos (LIGBCM—AVI), Dto. de Ciencia y Tecnología, Universidad Nacional de Quilmes, Roque Saenz Peña 352, Bernal 1876, Provincia de Buenos Aires, Argentina
*
Author to whom correspondence should be addressed.
Academic Editor: Miguel López-Ferber
Viruses 2021, 13(12), 2520; https://doi.org/10.3390/v13122520
Received: 16 November 2021 / Revised: 30 November 2021 / Accepted: 13 December 2021 / Published: 15 December 2021
(This article belongs to the Special Issue Insect Viruses and Pest Management 2.0)
Spodoptera ornithogalli (Guenée) (Lepidoptera: Noctuidae) is an important pest in different crops of economic relevance in America. For its control, strategies that include chemicals are usually used; so, the description of entomopathogens would be very useful for the formulation of biopesticides. In this regard, two different baculoviruses affecting S. ornithogalli were isolated in Colombia, with one of them being an NPV and the other a GV. Ultrastructural, molecular, and biological characterization showed that both isolates possess the 38 core genes and are novel species in Baculoviridae, named as Spodoptera ornithogalli nucleopolyhedrovirus (SporNPV) and Spodoptera ornithogalli granulovirus (SporGV). The bioassays carried out in larvae of S. ornithogalli and S. frugiperda showed infectivity in both hosts but being higher in the first. In addition, it was observed that SporGV potentiates the insecticidal action of SporNPV (maximum value in ratio 2.5:97.5). Both viruses are individually infective but coexist in nature, producing mixed infections with a synergistic effect that improves the performance of the NPV and enables the transmission of the GV, which presents a slowly killing phenotype. View Full-Text
Keywords: Spodoptera ornithogalli; Spodoptera frugiperda; SporNPV; SporGV; natural coinfection Spodoptera ornithogalli; Spodoptera frugiperda; SporNPV; SporGV; natural coinfection
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MDPI and ACS Style

Barrera, G.P.; Villamizar, L.F.; Araque, G.A.; Gómez, J.A.; Guevara, E.J.; Cerrudo, C.S.; Belaich, M.N. Natural Coinfection between Novel Species of Baculoviruses in Spodoptera ornithogalli Larvae. Viruses 2021, 13, 2520. https://doi.org/10.3390/v13122520

AMA Style

Barrera GP, Villamizar LF, Araque GA, Gómez JA, Guevara EJ, Cerrudo CS, Belaich MN. Natural Coinfection between Novel Species of Baculoviruses in Spodoptera ornithogalli Larvae. Viruses. 2021; 13(12):2520. https://doi.org/10.3390/v13122520

Chicago/Turabian Style

Barrera, Gloria Patricia, Laura Fernanda Villamizar, Gustavo Adolfo Araque, Juliana Andrea Gómez, Elsa Judith Guevara, Carolina Susana Cerrudo, and Mariano Nicolás Belaich. 2021. "Natural Coinfection between Novel Species of Baculoviruses in Spodoptera ornithogalli Larvae" Viruses 13, no. 12: 2520. https://doi.org/10.3390/v13122520

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