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Registro Completo |
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Biblioteca(s): |
Embrapa Meio Norte / UEP-Parnaíba. |
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Data corrente: |
14/05/1999 |
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Data da última atualização: |
14/05/1999 |
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Autoria: |
POPHAM, H. J. R.; LI, Y.; MILLER, L. K. |
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Título: |
Genetic improvement of Helicoverpa zea nuclear polyhedrosis virus as a biopesticide. |
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Ano de publicação: |
1997 |
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Fonte/Imprenta: |
Biological Control, v.10, n.2, p.83-91, 1997. |
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Volume: |
v.10 |
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Páginas: |
p.83-91 |
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Idioma: |
Inglês |
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Conteúdo: |
Helicoverpa zea nuclear polyhedrosis virus, which was previously registered and commercially produced as a pesticide (Elcar), was genetically improved to control the cotton bollworm, H. zea. A significant reduction in the time required for this virus to kill H. zea larvae was achievede by inserting a mite gene encoding a potent insect-selective neurotoxin gene, tox34, into the viral gene encoding ecdysteroid UDP-glucosyltransferase. Under the control of an early viral promoter, expression of tox34 during infection resulted in 50% mortality or paralysis within 40 h after virus treatment. The ability to genetically improve the properties of this virus as a pesticide provides the opportunity to develop a commercially viable product to contro this pest species. |
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Palavras-Chave: |
Baculovirus recombinante; Ecdysteroid UDP-glucosyltransferase; Helicoverpa zea nuclear polyhedrosis virus; Insect-selective toxins; Recombinnat baculovirus; Tox34; Toxinas. |
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Thesagro: |
Helicoverpa Zea. |
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Thesaurus Nal: |
Insecta. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01560naa a2200277 a 4500
001 1079808
005 1999-05-14
008 1997 bl --- 0-- u #d
100 1 $aPOPHAM, H. J. R.
245 $aGenetic improvement of Helicoverpa zea nuclear polyhedrosis virus as a biopesticide.
260 $c1997
300 $ap.83-91 v.10
490 $vv.10
520 $aHelicoverpa zea nuclear polyhedrosis virus, which was previously registered and commercially produced as a pesticide (Elcar), was genetically improved to control the cotton bollworm, H. zea. A significant reduction in the time required for this virus to kill H. zea larvae was achievede by inserting a mite gene encoding a potent insect-selective neurotoxin gene, tox34, into the viral gene encoding ecdysteroid UDP-glucosyltransferase. Under the control of an early viral promoter, expression of tox34 during infection resulted in 50% mortality or paralysis within 40 h after virus treatment. The ability to genetically improve the properties of this virus as a pesticide provides the opportunity to develop a commercially viable product to contro this pest species.
650 $aInsecta
650 $aHelicoverpa Zea
653 $aBaculovirus recombinante
653 $aEcdysteroid UDP-glucosyltransferase
653 $aHelicoverpa zea nuclear polyhedrosis virus
653 $aInsect-selective toxins
653 $aRecombinnat baculovirus
653 $aTox34
653 $aToxinas
700 1 $aLI, Y.
700 1 $aMILLER, L. K.
773 $tBiological Control$gv.10, n.2, p.83-91, 1997.
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Registro original: |
Embrapa Meio Norte / UEP-Parnaíba (CPAMN-UEPP) |
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