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Registro Completo |
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Biblioteca(s): |
Embrapa Amapá; Embrapa Amazônia Ocidental; Embrapa Amazônia Oriental; Embrapa Meio Norte / UEP-Parnaíba; Embrapa Unidades Centrais. |
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Data corrente: |
03/12/1993 |
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Data da última atualização: |
04/07/2012 |
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Autoria: |
VELOSO, C. A. C.; KATO, O. R.; ALBUQUERQUE, F. C. de; BRANDÃO, G. R. |
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Afiliação: |
CARLOS ALBERTO COSTA VELOSO, CPATU; OSVALDO RYOHEI KATO, CPATU; FERNANDO CARNEIRO DE ALBUQUERQUE, CPATU; GILSON ROCHA BRANDÃO, UEPAE DE BELÉM. |
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Título: |
Adubação química de cultivares de pimenta-do-reino (Piper nigrum L.) em latossolo amarelo da rodovia Transamazônica. |
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Ano de publicação: |
1988 |
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Fonte/Imprenta: |
Belém, PA: EMBRAPA-UEPAE Belém, 1988. |
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Páginas: |
6 p. |
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Descrição Física: |
il. |
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Série: |
(EMBRAPA-UEPAE Belém. Comunicado técnico, 1). |
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Idioma: |
Português |
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Conteúdo: |
Com o objetivo de obter e recomendar uma fórmula econômica de adubação NPK em pimenta-do-reino para a região da rodovia Transamazônica, vem sendo conduzido um experimento desde fevereiro de 1985 no município de Senador José Porfírio, km 35 da rodovia Transamazônica trecho Altamira/Marabá, em Latossolo Amarelo, textura franco argilo-arenosa, utilizando-se as cultivares Bragantina (BR-124), Cingapura (BR-019) e Guajarina (BR-353), que recebem doses anuais de adubação mineral. |
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Palavras-Chave: |
Altamira; Black papper; Brasil; Cultivar; Fertilizer; Manure; Maraba; Pará; Pimenta-do-reino; Production; Rodovia Transamazonica; Variedades; Variety; Yellow latosol. |
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Thesagro: |
Adubação; Fósforo; Latossolo Amarelo; Nitrogênio; Pimenta do Reino; Piper Nigrum; Potássio; Produção; Variedade. |
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Thesaurus Nal: |
Amazonia; black pepper; Brazil; nitrogen; phosphorus; potassium; varieties. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/61692/1/Belem-ComTec1.pdf
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Marc: |
LEADER 01857nam a2200529 a 4500
001 1381259
005 2012-07-04
008 1988 bl uuuu u0uu1 u #d
100 1 $aVELOSO, C. A. C.
245 $aAdubação química de cultivares de pimenta-do-reino (Piper nigrum L.) em latossolo amarelo da rodovia Transamazônica.
260 $aBelém, PA: EMBRAPA-UEPAE Belém$c1988
300 $a6 p.$cil.
490 $a(EMBRAPA-UEPAE Belém. Comunicado técnico, 1).
520 $aCom o objetivo de obter e recomendar uma fórmula econômica de adubação NPK em pimenta-do-reino para a região da rodovia Transamazônica, vem sendo conduzido um experimento desde fevereiro de 1985 no município de Senador José Porfírio, km 35 da rodovia Transamazônica trecho Altamira/Marabá, em Latossolo Amarelo, textura franco argilo-arenosa, utilizando-se as cultivares Bragantina (BR-124), Cingapura (BR-019) e Guajarina (BR-353), que recebem doses anuais de adubação mineral.
650 $aAmazonia
650 $ablack pepper
650 $aBrazil
650 $anitrogen
650 $aphosphorus
650 $apotassium
650 $avarieties
650 $aAdubação
650 $aFósforo
650 $aLatossolo Amarelo
650 $aNitrogênio
650 $aPimenta do Reino
650 $aPiper Nigrum
650 $aPotássio
650 $aProdução
650 $aVariedade
653 $aAltamira
653 $aBlack papper
653 $aBrasil
653 $aCultivar
653 $aFertilizer
653 $aManure
653 $aMaraba
653 $aPará
653 $aPimenta-do-reino
653 $aProduction
653 $aRodovia Transamazonica
653 $aVariedades
653 $aVariety
653 $aYellow latosol
700 1 $aKATO, O. R.
700 1 $aALBUQUERQUE, F. C. de
700 1 $aBRANDÃO, G. R.
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Registro original: |
Embrapa Amazônia Oriental (CPATU) |
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Registro Completo
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Biblioteca(s): |
Embrapa Pecuária Sudeste. |
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Data corrente: |
14/02/2011 |
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Data da última atualização: |
19/07/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
CHIARATTI, M. R.; FERREIRA, C. R.; PERECIN, F.; NICIURA, S. C. M.; SANGALLI, J. R.; MESQUITA, L. G.; BALIEIRO, J. C. de C.; SMITH, L. C.; GARCIA, J. M.; MEIRELLES, F. V. |
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Afiliação: |
MARCOS ROBERTO CHIARATTI, USP/PIRASSUNGA; CHRISTINA RAMIRES FERREIRA, USP/PIRASSUNGA; FELIPE PERECIN, USP/PIRASSUNUNGA; SIMONE CRISTINA MEO NICIURA, CPPSE; JULIANO RODRIGUES SANGALLI, USP/PIRASSUNUGA; LÍGIA GARCIA MESQUITA, USP/PIRASSUNGA; JÚLIO CÉSAR DE CARVALHO BALIEIRO, USP/PIRASSUNUNGA; LAWRENCE CHARLES SMITH, UNIVERSITE DE MONTREAL/SAINT-HYACINTHE; JOAQUIM MANSANO GARCIA, UNESP/JABOTICABAL; FLÁVIO VIEIRA MEIRELLES, USP/PIRASSUNUNGA. |
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Título: |
Ooplast-mediated developmental rescue of bovine oocytes exposed to ethidium bromide. |
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Ano de publicação: |
2011 |
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Fonte/Imprenta: |
Reproductive BioMedicine Online v. 22, n. 22, p. 172-183, 2011. |
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DOI: |
https://doi.org/10.1016/j.rbmo.2010.10.011 |
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Idioma: |
Inglês |
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Conteúdo: |
Ooplasm transfer has been used successfully to treat infertility in women with ooplasmic insufficiency and has culminated in the birth of healthy babies. To investigate whether mitochondrial dysfunction is a factor in ooplasmic insufficiency, bovine oocytes were exposed to ethidium bromide, an inhibitor of mitochondrial DNA replication and transcription, during in-vitro maturation (IVM). Exposure of immature oocytes to ethidium bromide for 24?h during IVM hampered meiotic resumption and the migration of cortical granules. However, a briefer treatment with ethidium bromide during the last 4?h of IVM led to partial arrest of preimplantation development without affecting oocyte maturation. Ooplasm transfer was then performed to rescue the oocytes with impaired development. In spite of this developmental hindrance, transfer of normal ooplasm into ethidium bromide-treated oocytes resulted in a complete rescue of embryonic development and the birth of heteroplasmic calves. Although this study unable to determine whether developmental rescue occurred exclusively through introduction of unaffected mitochondria into ethidium bromide-damaged oocytes, e.g. ethidium bromide may also affect other ooplasm components, these results clearly demonstrate that ooplasm transfer can completely rescue developmentally compromised oocytes, supporting the potential use of ooplasm transfer in therapeutic applications. Although the transfer of egg cytoplasm between women has been used successfully to rescue development in infertile patients culminating in the birth of healthy babies, the aetiology of egg-related infertility remains poorly understood. To verify the role played by a dysfunction in the mitochondrial activity, bovine eggs were exposed to ethidium bromide, a drug commonly used to impair mitochondrial function. We show that eggs exposed to ethidium bromide arrest embryonic development after IVF. Moreover, a complete rescue of development was observed after transfer of cytoplasm from untreated eggs into ethidium bromide-treated eggs leading to the birth of heteroplasmic calves which contained mitochondria from donor and recipient eggs (heteroplasmy). Although we were unable to confirm that mitochondria were the only ooplasm component affected by ethidium bromide, we provide evidence that cytoplasm transfer can completely rescue developmentally compromised oocytes. MenosOoplasm transfer has been used successfully to treat infertility in women with ooplasmic insufficiency and has culminated in the birth of healthy babies. To investigate whether mitochondrial dysfunction is a factor in ooplasmic insufficiency, bovine oocytes were exposed to ethidium bromide, an inhibitor of mitochondrial DNA replication and transcription, during in-vitro maturation (IVM). Exposure of immature oocytes to ethidium bromide for 24?h during IVM hampered meiotic resumption and the migration of cortical granules. However, a briefer treatment with ethidium bromide during the last 4?h of IVM led to partial arrest of preimplantation development without affecting oocyte maturation. Ooplasm transfer was then performed to rescue the oocytes with impaired development. In spite of this developmental hindrance, transfer of normal ooplasm into ethidium bromide-treated oocytes resulted in a complete rescue of embryonic development and the birth of heteroplasmic calves. Although this study unable to determine whether developmental rescue occurred exclusively through introduction of unaffected mitochondria into ethidium bromide-damaged oocytes, e.g. ethidium bromide may also affect other ooplasm components, these results clearly demonstrate that ooplasm transfer can completely rescue developmentally compromised oocytes, supporting the potential use of ooplasm transfer in therapeutic applications. Although the transfer of egg cytoplasm between women has been used successfully to ... Mostrar Tudo |
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Palavras-Chave: |
Embryo; Ethidium bromide; Oocyte; Ooplasm; Transfer. |
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Thesaurus NAL: |
mitochondrial DNA. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/876985/1/OoplastMediatedDevelopmental.pdf
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Marc: |
LEADER 03301naa a2200313 a 4500
001 1876985
005 2022-07-19
008 2011 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.rbmo.2010.10.011$2DOI
100 1 $aCHIARATTI, M. R.
245 $aOoplast-mediated developmental rescue of bovine oocytes exposed to ethidium bromide.$h[electronic resource]
260 $c2011
520 $aOoplasm transfer has been used successfully to treat infertility in women with ooplasmic insufficiency and has culminated in the birth of healthy babies. To investigate whether mitochondrial dysfunction is a factor in ooplasmic insufficiency, bovine oocytes were exposed to ethidium bromide, an inhibitor of mitochondrial DNA replication and transcription, during in-vitro maturation (IVM). Exposure of immature oocytes to ethidium bromide for 24?h during IVM hampered meiotic resumption and the migration of cortical granules. However, a briefer treatment with ethidium bromide during the last 4?h of IVM led to partial arrest of preimplantation development without affecting oocyte maturation. Ooplasm transfer was then performed to rescue the oocytes with impaired development. In spite of this developmental hindrance, transfer of normal ooplasm into ethidium bromide-treated oocytes resulted in a complete rescue of embryonic development and the birth of heteroplasmic calves. Although this study unable to determine whether developmental rescue occurred exclusively through introduction of unaffected mitochondria into ethidium bromide-damaged oocytes, e.g. ethidium bromide may also affect other ooplasm components, these results clearly demonstrate that ooplasm transfer can completely rescue developmentally compromised oocytes, supporting the potential use of ooplasm transfer in therapeutic applications. Although the transfer of egg cytoplasm between women has been used successfully to rescue development in infertile patients culminating in the birth of healthy babies, the aetiology of egg-related infertility remains poorly understood. To verify the role played by a dysfunction in the mitochondrial activity, bovine eggs were exposed to ethidium bromide, a drug commonly used to impair mitochondrial function. We show that eggs exposed to ethidium bromide arrest embryonic development after IVF. Moreover, a complete rescue of development was observed after transfer of cytoplasm from untreated eggs into ethidium bromide-treated eggs leading to the birth of heteroplasmic calves which contained mitochondria from donor and recipient eggs (heteroplasmy). Although we were unable to confirm that mitochondria were the only ooplasm component affected by ethidium bromide, we provide evidence that cytoplasm transfer can completely rescue developmentally compromised oocytes.
650 $amitochondrial DNA
653 $aEmbryo
653 $aEthidium bromide
653 $aOocyte
653 $aOoplasm
653 $aTransfer
700 1 $aFERREIRA, C. R.
700 1 $aPERECIN, F.
700 1 $aNICIURA, S. C. M.
700 1 $aSANGALLI, J. R.
700 1 $aMESQUITA, L. G.
700 1 $aBALIEIRO, J. C. de C.
700 1 $aSMITH, L. C.
700 1 $aGARCIA, J. M.
700 1 $aMEIRELLES, F. V.
773 $tReproductive BioMedicine Online$gv. 22, n. 22, p. 172-183, 2011.
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Registro original: |
Embrapa Pecuária Sudeste (CPPSE) |
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