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Registro Completo |
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Biblioteca(s): |
Embrapa Agrobiologia. |
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Data corrente: |
11/04/2001 |
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Data da última atualização: |
11/04/2001 |
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Autoria: |
GIANINAZZI-PEARSON, V.; ARNOULD, C.; OUFATTOLE, M.; ARANGO, M.; GIANINAZZI, S. |
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Título: |
Differential activation of H+ _ATPase genes by an arbuscular mycorrhizal fungus in root cells of transgenic tobacco. |
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Ano de publicação: |
2000 |
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Fonte/Imprenta: |
Panta, v.2 11, p.609-613, 2000. |
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Idioma: |
Inglês |
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Conteúdo: |
In arbuscular mycorrhizas, H+ -ATPase is active in the plant membrane around arbuscules but absent from plant mutants defective in arbuscule development (Gianinazzi-Pearson et al. 1995, Can. J. Bot. 73:S526-S532). The proton-pumping H+ -ATPase is encoded by a family of genes in plants. Immunocytochemical studies and promoter-gus A fusion assays were performed in transgenic tobacco (Nicotiana tabacum L.) to determine whether the periarbuscular enzyme activity results from de-novo activation of plant genes by an arbuscular mycorrhizal fungus. The H+ -ATPase protein was localized in the plant membrane around arbuscule hyphae. The enzyme was absent from non-colonized cortical cells. Regulation of seven H+ -ATPase genes (pma) was compared in non-mycorrhizal and mycorrhizal roots by histochemical detection of B-glucuronidase (GUS) activity. Two genes (pma2, pma4) were induced in arbuscule-containing cells of mycorrhizal roots but not in non-mycorrhizal cortical tissues or senescent mycorrhiza. It is concluded that de-novo H+ -ATPase activity in the periarbuscular membrane results from selective induction of two H+ -ATPase genes, which can have diverse roles in plant-fungal interactions at the symbiotic interface. |
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Thesagro: |
Fumo; Fungo; Micorriza Vesicular Arbuscular; Raiz; Simbiose. |
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Thesaurus Nal: |
fungi; roots; symbiosis; tobacco; vesicular arbuscular mycorrhizae. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02001naa a2200289 a 4500
001 1621199
005 2001-04-11
008 2000 bl --- 0-- u #d
100 1 $aGIANINAZZI-PEARSON, V.
245 $aDifferential activation of H+ _ATPase genes by an arbuscular mycorrhizal fungus in root cells of transgenic tobacco.
260 $c2000
520 $aIn arbuscular mycorrhizas, H+ -ATPase is active in the plant membrane around arbuscules but absent from plant mutants defective in arbuscule development (Gianinazzi-Pearson et al. 1995, Can. J. Bot. 73:S526-S532). The proton-pumping H+ -ATPase is encoded by a family of genes in plants. Immunocytochemical studies and promoter-gus A fusion assays were performed in transgenic tobacco (Nicotiana tabacum L.) to determine whether the periarbuscular enzyme activity results from de-novo activation of plant genes by an arbuscular mycorrhizal fungus. The H+ -ATPase protein was localized in the plant membrane around arbuscule hyphae. The enzyme was absent from non-colonized cortical cells. Regulation of seven H+ -ATPase genes (pma) was compared in non-mycorrhizal and mycorrhizal roots by histochemical detection of B-glucuronidase (GUS) activity. Two genes (pma2, pma4) were induced in arbuscule-containing cells of mycorrhizal roots but not in non-mycorrhizal cortical tissues or senescent mycorrhiza. It is concluded that de-novo H+ -ATPase activity in the periarbuscular membrane results from selective induction of two H+ -ATPase genes, which can have diverse roles in plant-fungal interactions at the symbiotic interface.
650 $afungi
650 $aroots
650 $asymbiosis
650 $atobacco
650 $avesicular arbuscular mycorrhizae
650 $aFumo
650 $aFungo
650 $aMicorriza Vesicular Arbuscular
650 $aRaiz
650 $aSimbiose
700 1 $aARNOULD, C.
700 1 $aOUFATTOLE, M.
700 1 $aARANGO, M.
700 1 $aGIANINAZZI, S.
773 $tPanta$gv.2 11, p.609-613, 2000.
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Registro original: |
Embrapa Agrobiologia (CNPAB) |
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Registro Completo
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Biblioteca(s): |
Embrapa Rondônia. |
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Data corrente: |
03/11/2015 |
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Data da última atualização: |
10/11/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
SANTOS, M. R. A. dos; SOUZA, C. A. de; GUIMARÃES, M. de C. M.; SMOZINSKI, C. V.; MAGALHÃES, G. M. de O.; NOGUEIRA, W. O.; PAZ, E. S. |
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Afiliação: |
MAURICIO REGINALDO ALVES DOS SANTOS, CPAF-RO; Carolina Augusto de Souza; Milene de Castro Melo Guimarães; Caroline Vivian Smozinski; Glaura Mugrabe de Oliveira Magalhães; Wanessa de Oliveira Nogueira; Eloísa Santana Paz. |
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Título: |
Growth pattern of friable callus from P. Carniconnectivum Leaf explants. |
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Ano de publicação: |
2015 |
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Fonte/Imprenta: |
Australian Journal of Basic and Applied Sciences, Pakistan, v.9, n. 27, p. 226-231, aug. 2015. |
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Idioma: |
Inglês |
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Conteúdo: |
The objective of this study was the in vitro induction of friable callus in leaf explants of P. carniconnectivum, by determining the appropriate hormonal combination to produce high callus cell proliferation, and the identification of the growth pattern of the calluses focusing on the deceleration phase, when the callus cells must be subcultured into liquid medium in order to produce a cell suspension culture. |
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Palavras-Chave: |
Callogenesis; Callus growth pattern. |
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Thesagro: |
Piperaceae. |
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Thesaurus NAL: |
growth regulators. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/132254/1/Piper-carniconnectivum.pdf
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Marc: |
LEADER 01165naa a2200241 a 4500
001 2027742
005 2021-11-10
008 2015 bl uuuu u00u1 u #d
100 1 $aSANTOS, M. R. A. dos
245 $aGrowth pattern of friable callus from P. Carniconnectivum Leaf explants.$h[electronic resource]
260 $c2015
520 $aThe objective of this study was the in vitro induction of friable callus in leaf explants of P. carniconnectivum, by determining the appropriate hormonal combination to produce high callus cell proliferation, and the identification of the growth pattern of the calluses focusing on the deceleration phase, when the callus cells must be subcultured into liquid medium in order to produce a cell suspension culture.
650 $agrowth regulators
650 $aPiperaceae
653 $aCallogenesis
653 $aCallus growth pattern
700 1 $aSOUZA, C. A. de
700 1 $aGUIMARÃES, M. de C. M.
700 1 $aSMOZINSKI, C. V.
700 1 $aMAGALHÃES, G. M. de O.
700 1 $aNOGUEIRA, W. O.
700 1 $aPAZ, E. S.
773 $tAustralian Journal of Basic and Applied Sciences, Pakistan$gv.9, n. 27, p. 226-231, aug. 2015.
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Registro original: |
Embrapa Rondônia (CPAF-RO) |
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