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| Registros recuperados : 449 | |
| 46. |  | CRUZ, I.; VALICENTE, F. H. Controle biológico. In: CRUZ, J. C.; MAGALHAES, P. C.; PEREIRA FILHO, I. A.; MOREIRA, J. A. A. (Ed.). Milho: o produtor pergunta, a Embrapa responde. Brasília, DF: Embrapa Informação Tecnológica; Sete Lagoas: Embrapa Milho e Sorgo, 2011. cap. 12, p. 193-201. (Coleção 500 perguntas, 500 respostas).| Biblioteca(s): Embrapa Milho e Sorgo. |
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| 54. | | VALICENTE, F. H.; CRUZ, I. Mortalidade da lagarta-do-cartucho, Spodoptera frugiperda, em função do tempo de exposição ao Baculovírus Spodoptera. In: CONGRESSO NACIONAL DE MILHO E SORGO, 19.; REUNIÃO TÉCNICA ANUAL DE MILHO, 37.; REUNIÃO TÉCNICA ANUAL DO SORGO, 21., 1992, Porto Alegre. Resumos. Porto Alegre: SAA, 1992. p. 77.| Biblioteca(s): Embrapa Milho e Sorgo. |
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| 55. | | VALICENTE, F. H.; CRUZ, I. Mortalidade da lagarta-do-cartucho, Spodoptera frugiperda, quando infectada com diferentes isolados de vírus. In: CONGRESSO NACIONAL DE MILHO E SORGO, 19.; REUNIÃO TÉCNICA ANUAL DE MILHO, 37.; REUNIÃO TÉCNICA ANUAL DO SORGO, 21., 1992, Porto Alegre. Resumos. Porto Alegre: SAA, 1992. p. 75.| Biblioteca(s): Embrapa Milho e Sorgo. |
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| Registros recuperados : 449 | |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Milho e Sorgo. Para informações adicionais entre em contato com cnpms.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
26/08/2002 |
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Data da última atualização: |
19/11/2015 |
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Autoria: |
VALICENTE, F. H. |
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Afiliação: |
FERNANDO HERCOS VALICENTE, CNPMS. |
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Título: |
Molecular genetics of chromosome elimination and sex determination in the Hessian fly. |
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Ano de publicação: |
2002 |
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Fonte/Imprenta: |
2002. |
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Páginas: |
112 p. |
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Idioma: |
Inglês |
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Notas: |
Tese (Doutorado) - Purdue University, West Lafayette. |
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Conteúdo: |
The Hessian fly, Mayetiola destructor (Say), is an important insect pest of wheat, Triticum spp. Incorporating major Hessian fly resistance genes into wheat cultivars is the primary method of controlling this pest. However, genetic mutations in the Hessian fly have allowed certain genotypes to make this resistance ineffective. Therefore, greater knowledge of this insect´s genetics is desirable. Two issues are central to this problem: 1) The anomalous mechanism of sex determination in the Hessian fly is poorly understood, and 2) there is an absence of a well characterized genetic map of the Hessian fly genome. My research addressed both problems. Sex determination in the Hessian fly was investigated using both bulked segregant analysis and individual females in a relatively large (N=92) mapping population. The investigation discovered molecular genetic markers that are tightly linked to each other and an autosomal maternal effect gene (Chromosome maitenance, Cm) that appears to control x chromosome elimination among the offspring of individual females. During the course of this investigation, I found that a previously developed AFLP- based genetic map was useful. The improve its utility further, I used fluorescent in situ hybridization (FISH) to test its precision. The physical positions of selected markers on the map were located on the salivary gland polytene chromosomes of the Hessian fly. This work firmly established chromosome-linkage group correlations in the Hessian fly, and identified problems in the map. In the process, molecular markers that can be used to identify each Hessian fly chromosome were developed. MenosThe Hessian fly, Mayetiola destructor (Say), is an important insect pest of wheat, Triticum spp. Incorporating major Hessian fly resistance genes into wheat cultivars is the primary method of controlling this pest. However, genetic mutations in the Hessian fly have allowed certain genotypes to make this resistance ineffective. Therefore, greater knowledge of this insect´s genetics is desirable. Two issues are central to this problem: 1) The anomalous mechanism of sex determination in the Hessian fly is poorly understood, and 2) there is an absence of a well characterized genetic map of the Hessian fly genome. My research addressed both problems. Sex determination in the Hessian fly was investigated using both bulked segregant analysis and individual females in a relatively large (N=92) mapping population. The investigation discovered molecular genetic markers that are tightly linked to each other and an autosomal maternal effect gene (Chromosome maitenance, Cm) that appears to control x chromosome elimination among the offspring of individual females. During the course of this investigation, I found that a previously developed AFLP- based genetic map was useful. The improve its utility further, I used fluorescent in situ hybridization (FISH) to test its precision. The physical positions of selected markers on the map were located on the salivary gland polytene chromosomes of the Hessian fly. This work firmly established chromosome-linkage group correlations in the Hessian fl... Mostrar Tudo |
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Palavras-Chave: |
AFLP; Clonagem molecular; Determinação; Determination; Hibridização in situ; Sex; SSCP. |
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Thesagro: |
Sexo. |
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Thesaurus NAL: |
in situ hybridization; molecular cloning. |
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Categoria do assunto: |
-- |
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Marc: |
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100 1 $aVALICENTE, F. H.
245 $aMolecular genetics of chromosome elimination and sex determination in the Hessian fly.
260 $a2002.$c2002
300 $a112 p.
500 $aTese (Doutorado) - Purdue University, West Lafayette.
520 $aThe Hessian fly, Mayetiola destructor (Say), is an important insect pest of wheat, Triticum spp. Incorporating major Hessian fly resistance genes into wheat cultivars is the primary method of controlling this pest. However, genetic mutations in the Hessian fly have allowed certain genotypes to make this resistance ineffective. Therefore, greater knowledge of this insect´s genetics is desirable. Two issues are central to this problem: 1) The anomalous mechanism of sex determination in the Hessian fly is poorly understood, and 2) there is an absence of a well characterized genetic map of the Hessian fly genome. My research addressed both problems. Sex determination in the Hessian fly was investigated using both bulked segregant analysis and individual females in a relatively large (N=92) mapping population. The investigation discovered molecular genetic markers that are tightly linked to each other and an autosomal maternal effect gene (Chromosome maitenance, Cm) that appears to control x chromosome elimination among the offspring of individual females. During the course of this investigation, I found that a previously developed AFLP- based genetic map was useful. The improve its utility further, I used fluorescent in situ hybridization (FISH) to test its precision. The physical positions of selected markers on the map were located on the salivary gland polytene chromosomes of the Hessian fly. This work firmly established chromosome-linkage group correlations in the Hessian fly, and identified problems in the map. In the process, molecular markers that can be used to identify each Hessian fly chromosome were developed.
650 $ain situ hybridization
650 $amolecular cloning
650 $aSexo
653 $aAFLP
653 $aClonagem molecular
653 $aDeterminação
653 $aDetermination
653 $aHibridização in situ
653 $aSex
653 $aSSCP
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