2024-03-28T16:16:59Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/1912072021-12-27T16:41:16Zcom_10261_118com_10261_6col_10261_371
DIGITAL.CSIC
author
Jakubowska, Ágata K.
author
Murillo, Rosa
author
Carballo, Arkaitz
author
Williams, Trevor G.
author
Lent, Jan W.M. van
author
Caballero, Primitivo
author
Herrero, Salvador
funder
Ministerio de Economía y Competitividad (España)
2019-09-20T12:57:16Z
2019-09-20T12:57:16Z
2016-03-03
PeerJ 4: e1687 (2016)
http://hdl.handle.net/10261/191207
10.7717/peerj.1687
2167-8359
http://dx.doi.org/10.13039/501100003329
26966651
Virus transmission and the prevalence of infection depend on multiple factors, including the interaction with other viral pathogens infecting the same host. In this study,
active replication of an iflavirus, Spodoptera exigua iflavirus 1 (order Picornavirales)
was observed in the offspring of insects that survived following inoculation with a
pathogenic baculovirus, Spodoptera exigua multiple nucleopolyhedrovirus. Tracking
the origin of the iflavirus suggested the association of this virus with the occlusion
bodies of the baculovirus. Here we investigated the effect of this association on the
stability and infectivity of both viruses. A reduction in baculovirus pathogenicity,
without affecting its infectivity and productivity, was observed when associated with
the iflavirus. In contrast, viral association increased the infectivity of the iflavirus and
its resistance to ultraviolet radiation and high temperature, two of the main factors
affecting virus stability in the field. In addition, electron microscopy analysis revealed
the presence of particles resembling iflavirus virions inside the occlusion bodies of the
baculovirus, suggesting the possible co-occlusion of both viruses. Results reported here
are indicative of facultative phoresis of a virus and suggest that virus–virus interactions
may be more common than currently recognized, and may be influential in the ecology
of baculovirus and host populations and in consequence in the use of baculoviruses as
biological insecticides.
eng
openAccess
Iflavirus
Baculovirus
Virus parasitism
Insect virus
Co-infection
Virus–virus interaction
Iflavirus increases its infectivity and physical stability in association with baculovirus
artículo
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URL
https://digital.csic.es/bitstream/10261/191207/1/Iflavirus%20increases_Jakubowska.pdf
File
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cb4b755870595351678934de9be5952b
6843061
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Iflavirus increases_Jakubowska.pdf