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Registro Completo |
Biblioteca(s): |
Embrapa Hortaliças. |
Data corrente: |
04/04/2002 |
Data da última atualização: |
31/01/2024 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
NAGATA, T.; INOUE-NAGATA, A. K.; LENT, J. van; GOLDBACH, R.; PETERS, D. |
Afiliação: |
TATATSUYA NAGATA, Department of Virology, Wageningen Agricultural University; ALICE KAZUKO INOUE NAGATA, CNPH; JAN VAN LENT, Department of Virology, Wageningen Agricultural University; ROB GOLDBACH, Department of Virology, Wageningen Agricultural University; DICK PETERS, Department of Virology, Wageningen Agricultural University. |
Título: |
Factors determining vector competence and specificity for transmission of tomato spotted wilt virus. |
Ano de publicação: |
2002 |
Fonte/Imprenta: |
Journal of General Virology, v. 83, n. 3, p. 663-671, mar. 2002. |
ISSN: |
1465-2099 |
DOI: |
10.1099/0022-1317-83-3-663 |
Idioma: |
Inglês |
Conteúdo: |
The competence of a Frankliniella occidentalis and a Thrips tabaci population to transmit Tomato spotted wilt virus (TSWV) was analysed. Adults of the F. occidentalis population transmitted this virus efficiently, whereas those of the thelytokous T. tabaci population failed to transmit. TSWV replicated in the midgut of the larvae of both populations after ingestion of virus; however, lower amounts accumulated in T. tabaci larvae than in F. occidentalis larvae. The virus was almost undetectable in T. tabaci adults, whereas high titres were readily detected in the F. occidentalis adults. The first infections in F. occidentalis larvae were detected by immunocytochemical studies in midgut epithelial and subsequently in midgut muscle cells, the ligaments, and finally in the salivary glands. The infections were weaker in the midgut epithelial and muscle cells of T. tabaci larvae, followed by an almost complete absence of any infection in the ligaments, and a complete absence in the salivary glands. Studies by electron microscopy revealed the budding of some virus particles from the basal membrane of midgut epithelial cells of F. occidentalis larvae into the extracellular space of the basal labyrinth. Enveloped virus particles were also seen in midgut muscle cells of F. occidentalis larvae. They were not discerned in epithelial and muscle cells of T. tabaci larvae and adults. This study showed that the rate of virus replication in the midgut and the extent of virus migration from the midgut to the visceral muscle cells and the salivary glands are probably crucial factors in the determination of vector competence. MenosThe competence of a Frankliniella occidentalis and a Thrips tabaci population to transmit Tomato spotted wilt virus (TSWV) was analysed. Adults of the F. occidentalis population transmitted this virus efficiently, whereas those of the thelytokous T. tabaci population failed to transmit. TSWV replicated in the midgut of the larvae of both populations after ingestion of virus; however, lower amounts accumulated in T. tabaci larvae than in F. occidentalis larvae. The virus was almost undetectable in T. tabaci adults, whereas high titres were readily detected in the F. occidentalis adults. The first infections in F. occidentalis larvae were detected by immunocytochemical studies in midgut epithelial and subsequently in midgut muscle cells, the ligaments, and finally in the salivary glands. The infections were weaker in the midgut epithelial and muscle cells of T. tabaci larvae, followed by an almost complete absence of any infection in the ligaments, and a complete absence in the salivary glands. Studies by electron microscopy revealed the budding of some virus particles from the basal membrane of midgut epithelial cells of F. occidentalis larvae into the extracellular space of the basal labyrinth. Enveloped virus particles were also seen in midgut muscle cells of F. occidentalis larvae. They were not discerned in epithelial and muscle cells of T. tabaci larvae and adults. This study showed that the rate of virus replication in the midgut and the extent of virus migration from t... Mostrar Tudo |
Palavras-Chave: |
Frankliniella ocidentalis; Insect; Transmissão; Transmission; TSWV. |
Thesagro: |
Inseto; Vetor; Vírus. |
Thesaurus Nal: |
Thrips tabaci. |
Categoria do assunto: |
S Ciências Biológicas |
Marc: |
LEADER 02478naa a2200301 a 4500 001 1771233 005 2024-01-31 008 2002 bl uuuu u00u1 u #d 022 $a1465-2099 024 7 $a10.1099/0022-1317-83-3-663$2DOI 100 1 $aNAGATA, T. 245 $aFactors determining vector competence and specificity for transmission of tomato spotted wilt virus.$h[electronic resource] 260 $c2002 520 $aThe competence of a Frankliniella occidentalis and a Thrips tabaci population to transmit Tomato spotted wilt virus (TSWV) was analysed. Adults of the F. occidentalis population transmitted this virus efficiently, whereas those of the thelytokous T. tabaci population failed to transmit. TSWV replicated in the midgut of the larvae of both populations after ingestion of virus; however, lower amounts accumulated in T. tabaci larvae than in F. occidentalis larvae. The virus was almost undetectable in T. tabaci adults, whereas high titres were readily detected in the F. occidentalis adults. The first infections in F. occidentalis larvae were detected by immunocytochemical studies in midgut epithelial and subsequently in midgut muscle cells, the ligaments, and finally in the salivary glands. The infections were weaker in the midgut epithelial and muscle cells of T. tabaci larvae, followed by an almost complete absence of any infection in the ligaments, and a complete absence in the salivary glands. Studies by electron microscopy revealed the budding of some virus particles from the basal membrane of midgut epithelial cells of F. occidentalis larvae into the extracellular space of the basal labyrinth. Enveloped virus particles were also seen in midgut muscle cells of F. occidentalis larvae. They were not discerned in epithelial and muscle cells of T. tabaci larvae and adults. This study showed that the rate of virus replication in the midgut and the extent of virus migration from the midgut to the visceral muscle cells and the salivary glands are probably crucial factors in the determination of vector competence. 650 $aThrips tabaci 650 $aInseto 650 $aVetor 650 $aVírus 653 $aFrankliniella ocidentalis 653 $aInsect 653 $aTransmissão 653 $aTransmission 653 $aTSWV 700 1 $aINOUE-NAGATA, A. K. 700 1 $aLENT, J. van 700 1 $aGOLDBACH, R. 700 1 $aPETERS, D. 773 $tJournal of General Virology$gv. 83, n. 3, p. 663-671, mar. 2002.
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Embrapa Hortaliças (CNPH) |
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Biblioteca(s): |
Embrapa Recursos Genéticos e Biotecnologia. |
Data corrente: |
06/03/2012 |
Data da última atualização: |
01/03/2023 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
B - 5 |
Autoria: |
BELAN, L. L.; ALVES, F. R.; COSTA, D. da C.; FONSECA, S. O. da; MORAES, W. B.; SOUZA, A. F. de; JESUS JUNIOR, W. C. de. |
Afiliação: |
LEÔNIDAS LEONI BELAN, UNIVERSIDADE FEDERAL DO ESPIRITO SANTO; FÁBIO RAMOS ALVES, UNIVERSIDADE FEDERAL DO ESPIRITO SANTO; DILSON DA CUNHA COSTA, CENARGEN; STÊNIO OGGIONI DA FONSECA, UNIVERSIDADE FEDERAL DO ESPIRITO SANTO; WANDERSON BUCKER MORAES, UNIVERSIDADE FEDERAL DO ESPIRITO SANTO; ANTÔNIO FERNANDO DE SOUZA, INSTITUTO FEDERAL DO ESPIRITO SANTO; WALDIR CINTRA DE JESUS JUNIOR, UNIVERSIDADE FEDERAL DO ESPIRITO SANTO. |
Título: |
Efeitos de densidades crescentes de inóculo de Meloidogyne javanica no desenvolvimento vegetativo de genótipos de tomateiro cereja. |
Ano de publicação: |
2011 |
Fonte/Imprenta: |
Revista Trópica: Ciências Agrárias e Biológicas, v. 5, n. 1, p. 22- 30, 2011 |
Idioma: |
Português |
Palavras-Chave: |
Danos; Nematóides das galhas; Solanum lycopersicon; Yield losses. |
Thesaurus NAL: |
root-knot nematodes. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/183561/1/271-1924-1-PB.pdf
|
Marc: |
LEADER 00801naa a2200241 a 4500 001 1917581 005 2023-03-01 008 2011 bl uuuu u00u1 u #d 100 1 $aBELAN, L. L. 245 $aEfeitos de densidades crescentes de inóculo de Meloidogyne javanica no desenvolvimento vegetativo de genótipos de tomateiro cereja.$h[electronic resource] 260 $c2011 650 $aroot-knot nematodes 653 $aDanos 653 $aNematóides das galhas 653 $aSolanum lycopersicon 653 $aYield losses 700 1 $aALVES, F. R. 700 1 $aCOSTA, D. da C. 700 1 $aFONSECA, S. O. da 700 1 $aMORAES, W. B. 700 1 $aSOUZA, A. F. de 700 1 $aJESUS JUNIOR, W. C. de 773 $tRevista Trópica: Ciências Agrárias e Biológicas$gv. 5, n. 1, p. 22- 30, 2011
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