1998
DOI: 10.1006/jipa.1998.4756
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Detection of a Virus Enhancing Factor in the Spheroid, Spindle, and Virion of an Entomopoxvirus

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Cited by 19 publications
(14 citation statements)
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“…The viruses were administered in a status occluded by polyhedra. Mitsuhashi et al (1998) 13 found that spindles of an EPV isolated from the scarabaeid beetle Anomala cuprea (AcEPV), but not the spheroids, strongly enhanced the infectivity of the polyhedra of Bombyx mori NPV (BmNPV) 24 also showed that not only the spheroids of PsEPV but also its spindles and virions enhanced the infectivity of PuNPV polyhedra in P. separata larvae. Furthermore several reports have shown that AcEPV or Helicoverpa armigera EPV spindles enhanced the infectivity of the polyhedra of other NPV species 3,20 .…”
Section: Enhancement Of Virus Infectivity By Spindlesmentioning
confidence: 99%
“…The viruses were administered in a status occluded by polyhedra. Mitsuhashi et al (1998) 13 found that spindles of an EPV isolated from the scarabaeid beetle Anomala cuprea (AcEPV), but not the spheroids, strongly enhanced the infectivity of the polyhedra of Bombyx mori NPV (BmNPV) 24 also showed that not only the spheroids of PsEPV but also its spindles and virions enhanced the infectivity of PuNPV polyhedra in P. separata larvae. Furthermore several reports have shown that AcEPV or Helicoverpa armigera EPV spindles enhanced the infectivity of the polyhedra of other NPV species 3,20 .…”
Section: Enhancement Of Virus Infectivity By Spindlesmentioning
confidence: 99%
“…Spindles of some EPVs are known to strongly enhance the infectivity of various nucleopolyhedroviruses (NPVs) (Mitsuhashi et al, 1998;Wijonarko and Hukuhara, 1998;Furuta et al, 2001;Chakraborty et al, 2004). The spindles also enhance EPV infection, which is thought to be a natural biological function of EPV spindles Mitsuhashi, 2002).…”
Section: Introductionmentioning
confidence: 99%
“…Nevertheless, little is known about the stability of spindles against such abiotic factors; Anomala cuprea EPV (AcEPV) spindles retained their ability to enhance AcEPV infection after the spindles had been heated at 70 or 75°C for 30 min (Mitsuhashi, 2002;. Spheroids, another type of proteinaceous paracrystalline structure, of Pseudaletia separata EPV (PsEPV) also have the ability to enhance the infectivity of Pseudaletia unipuncta NPV in P. separata larvae other than PsEPV spindles (Xu and Hukuhara, 1992;Wijonarko and Hukuhara, 1998). However, in our system (AcEPV spheroids-lepidopteran NPV), spheroids have not demonstrated the enhancement of Bombyx mori NPV (BmNPV) infection (Mitsuhashi et al, 1998;Furuta et al, 2001;Mitsuhashi and Miyamoto, 2003).…”
Section: Introductionmentioning
confidence: 99%
“…The spheroids are spherical in shape and embed virions, whereas the spindles are bipyramidal in shape and contain no virions. The spindles of several EPVs have been shown to strongly enhance the infectivity of several insect viruses (2,9,23,25,27,29,30,44). We previously demonstrated that the peritrophic membranes (PMs) of Bombyx mori and Anomala cuprea larvae are disintegrated by peroral administration of Anomala cuprea entomopoxvirus (AncuEPV) spindles (26,27).…”
mentioning
confidence: 99%