An Anticarsia Gemmatalis Multiple Nucleopolyhedrovirus Mutant, Vapag, Induces Hemocytes Apoptosis In Vivo And Displays Reduced Infectivity In Larvae Of Anticarsia Gemmatalis (hübner) (lepidoptera: Noctuidae)

dc.creatorda Silveira E.B.
dc.creatorCordeiro B.A.
dc.creatorRibeiro B.M.
dc.creatorde Castro M.E.B.
dc.creatorSoares E.F.
dc.creatorBao S.N.
dc.date2007
dc.date2015-06-30T18:46:09Z
dc.date2015-11-26T14:34:01Z
dc.date2015-06-30T18:46:09Z
dc.date2015-11-26T14:34:01Z
dc.date.accessioned2018-03-28T21:37:24Z
dc.date.available2018-03-28T21:37:24Z
dc.identifier
dc.identifierVirus Research. , v. 130, n. 01/02/15, p. 182 - 192, 2007.
dc.identifier1681702
dc.identifier10.1016/j.virusres.2007.06.010
dc.identifierhttp://www.scopus.com/inward/record.url?eid=2-s2.0-35748941348&partnerID=40&md5=567db13664f7022caa8be14fad196084
dc.identifierhttp://www.repositorio.unicamp.br/handle/REPOSIP/104683
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/104683
dc.identifier2-s2.0-35748941348
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1247996
dc.descriptionAn Anticarsia gemmatalis multiple nucleopolyhedrovirus (AgMNPV) mutant, vApAg, induces apoptosis in a cell culture derived from Anticarsia gemmatalis (UFL-AG-286), reducing viral progeny. We have investigated apoptosis induction in vivo by vApAg in A. gemmatalis larvae and its correlation to infectivity reduction. LC50, LD50, LT50 and the mean time to death of larvae were determined for vApAg and AgMNPV. Apoptosis was accessed for hemocytes of infected larvae using light and transmission electron microscopy. All types of hemocytes can be infected by vApAg. After 12 h post-infection (h p.i.), typical cellular modifications associated to nucleopolyhedrovirus infection were observed. Apoptosis becomes evident after 24 h p.i., and massive after 72 h p.i. Necrosis of infected cells was also observed. Despite cell death, hemocytes produced budded viruses and polyhedra. Pl and gh1-type hemocytes presented phagocytic activity. Agarose gel electrophoresis revealed fragmentation of hemocytes DNA at late times post-infection. The LC50 and LD50 were between five- and six-fold higher for vApAg. The LT50 and the mean time to death were higher for vApAg in a same treatment or for a similar mortality induced by AgMNPV. These results show correlation of apoptosis and the reduced infectivity of vApAg in A. gemmatalis larvae. © 2007 Elsevier B.V. All rights reserved.
dc.description130
dc.description01/02/15
dc.description182
dc.description192
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dc.languageen
dc.publisher
dc.relationVirus Research
dc.rightsfechado
dc.sourceScopus
dc.titleAn Anticarsia Gemmatalis Multiple Nucleopolyhedrovirus Mutant, Vapag, Induces Hemocytes Apoptosis In Vivo And Displays Reduced Infectivity In Larvae Of Anticarsia Gemmatalis (hübner) (lepidoptera: Noctuidae)
dc.typeArtículos de revistas


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