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Registro Completo |
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Biblioteca(s): |
Embrapa Hortaliças; Embrapa Milho e Sorgo. |
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Data corrente: |
14/11/1997 |
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Data da última atualização: |
11/06/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
ALVARENGA, R. C.; COSTA, L. M.; MOURA FILHO, W.; REGAZZI, A. J. |
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Afiliação: |
RAMON COSTA ALVARENGA, CNPMS. |
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Título: |
Crescimento de raízes de leguminosas em camadas de solo compactadas artificialmente. |
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Ano de publicação: |
1996 |
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Fonte/Imprenta: |
Revista Brasileira de Ciencia do Solo, Campinas, v. 20, p. 319-326, 1996. |
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Idioma: |
Português |
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Conteúdo: |
O experimento foi desenvolvido em casa de vegetacao da Universidade Federal de Vicosa em 1992. Testaram-se as leguminosas crotalaria juncea (Crotalaria juncea L.) guandu (Cajanus cajan (L.) Millps), feijao-de-porco (Canavalia ensiformes (L.) DC.), feijao-bravo do ceara (Canavalia brasiliensis M. e Benth) e mata-pasto (Senna occidentalis L.) quanto a capacidade de suas raizes de penetrar me camadas de um latossolo vermelho-amarelo alico, muito argiloso, com diferentes niveis de compactacao. As leguminosas, com excecao do mata-pasto, tiveram os sistemas radiculares significativamente reduzidos dentro da camada compactada e abaixo dela, e apresentaram um acumulo de raizes no anel superior do vaso, a medida que o nivel de compactacao aumentou. O mata-pasto sobressaiu como a especie com maior potencial para crescer em camadas compactadas de solo e o feijao-de-porco foi a leguminosa mais afetada pela compactacao. |
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Palavras-Chave: |
Canavalia brasiliensis; Canavalia ensiformes; Compactacao; Compactation; Densidade; Densidade radicular; Feijao-de-porco; Fejiao-bravo; Growth; Hortalica alternativa; Jack bean; Leguminous; Mata-pasto; Pigeon pea; Root; Root density; Soil compactation. |
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Thesagro: |
Cajanus Cajan; Compactação do Solo; Crescimento; Crotalária; Crotalária Juncea; Guandu; Leguminosa; Raiz; Solo. |
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Thesaurus Nal: |
density; Senna occidentalis; soil. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/38797/1/Crescimento-raizes.pdf
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Marc: |
LEADER 02236naa a2200505 a 4500
001 1477307
005 2018-06-11
008 1996 bl uuuu u00u1 u #d
100 1 $aALVARENGA, R. C.
245 $aCrescimento de raízes de leguminosas em camadas de solo compactadas artificialmente.
260 $c1996
520 $aO experimento foi desenvolvido em casa de vegetacao da Universidade Federal de Vicosa em 1992. Testaram-se as leguminosas crotalaria juncea (Crotalaria juncea L.) guandu (Cajanus cajan (L.) Millps), feijao-de-porco (Canavalia ensiformes (L.) DC.), feijao-bravo do ceara (Canavalia brasiliensis M. e Benth) e mata-pasto (Senna occidentalis L.) quanto a capacidade de suas raizes de penetrar me camadas de um latossolo vermelho-amarelo alico, muito argiloso, com diferentes niveis de compactacao. As leguminosas, com excecao do mata-pasto, tiveram os sistemas radiculares significativamente reduzidos dentro da camada compactada e abaixo dela, e apresentaram um acumulo de raizes no anel superior do vaso, a medida que o nivel de compactacao aumentou. O mata-pasto sobressaiu como a especie com maior potencial para crescer em camadas compactadas de solo e o feijao-de-porco foi a leguminosa mais afetada pela compactacao.
650 $adensity
650 $aSenna occidentalis
650 $asoil
650 $aCajanus Cajan
650 $aCompactação do Solo
650 $aCrescimento
650 $aCrotalária
650 $aCrotalária Juncea
650 $aGuandu
650 $aLeguminosa
650 $aRaiz
650 $aSolo
653 $aCanavalia brasiliensis
653 $aCanavalia ensiformes
653 $aCompactacao
653 $aCompactation
653 $aDensidade
653 $aDensidade radicular
653 $aFeijao-de-porco
653 $aFejiao-bravo
653 $aGrowth
653 $aHortalica alternativa
653 $aJack bean
653 $aLeguminous
653 $aMata-pasto
653 $aPigeon pea
653 $aRoot
653 $aRoot density
653 $aSoil compactation
700 1 $aCOSTA, L. M.
700 1 $aMOURA FILHO, W.
700 1 $aREGAZZI, A. J.
773 $tRevista Brasileira de Ciencia do Solo, Campinas$gv. 20, p. 319-326, 1996.
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Registro original: |
Embrapa Milho e Sorgo (CNPMS) |
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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 Agricultura Digital; Embrapa Milho e Sorgo. |
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Data corrente: |
10/07/2017 |
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Data da última atualização: |
24/01/2018 |
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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: |
RIBEIRO, A. P.; SOUZA, W. R. de; MARTINS, P. K.; VINECKY, F.; DUARTE, K. E.; BASSO, M. F.; DIAS, B. B. A.; CAMPANHA, R. B.; OLIVEIRA, P. A. de; CENTENO, D. C.; CANÇADO, G. M. de A.; MAGALHÃES, J. V. de; SOUSA, C. A. F. de; ANDRADE, A. C.; KOBAYASHI, A. K.; MOLINARI, H. B. C. |
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Afiliação: |
WAGNER R. DE SOUZA, UFLA; POLYANA K. MARTINS, UFLA; FELIPE VINECKY, UFLA; KAROLINE E. DUARTE, UFLA; MARCOS F. BASSO, UFLA; BARBARA ANDRADE DIAS BRITO DA CUNHA, CNPAE; RAQUEL BOMBARDA CAMPANHA, CNPAE; PATRICIA ABRAO DE OLIVEIRA, CNPAE; DANILO C. CENTENO, UFABC; GERALDO MAGELA DE ALMEIDA CANCADO, CNPTIA; JURANDIR VIEIRA DE MAGALHAES, CNPMS; CARLOS A. F. DE SOUSA, UFLA; ALAN CARVALHO ANDRADE, SAPC; ADILSON KENJI KOBAYASHI, CNPAE; HUGO BRUNO CORREA MOLINARI, CNPAE. |
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Título: |
Overexpression of BdMATE gene improves aluminum tolerance in Setaria viridis. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Frontiers in Plant Science, v. 8, p. 1-12, June 2017. |
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Páginas: |
12 p. |
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DOI: |
10.3389/fpls.2017.00865 |
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Idioma: |
Inglês |
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Conteúdo: |
Acidic soils are distributed worldwide, predominantly in tropical and subtropical areas,reaching around 50% of the arable soil. This type of soil strongly reduces crop production, mainly because of the presence of aluminum, which has its solubility increased at low pH levels. A well-known physiological mechanism used by plants to cope with Al stress involves activation of membrane transporters responsible for organic acid anions secretion from the root apex to the rhizosphere, which chelate Al, preventing its absorption by roots. In sorghum, a membrane transporter gene belonging to multidrug and toxic compound extrusion (MATE) family was identified and characterized as an aluminum-activated citrate transporter gene responsible for Al tolerance in this crop. Setaria viridis is an emerging model for C4 species and it is an important model to validate some genes for further C4 crops transformation, such as sugarcane, maize, and wheat. In the present work, Setaria viridis was used as a model plant to overexpress a newly identified MATE gene from Brachypodium distachyon(BdMATE), closely related to SbMATE, for aluminum tolerance assays. Transgenic S. viridis plants overexpressing a BdMATE presented an improved Al tolerance phenotype, characterized by sustained root growth and exclusion of aluminum from the root apex in transgenic plants, as confirmed by hematoxylin assay. In addition, transgenic plants showed higher root citrate exudation into the rhizosphere, suggesting that Al tolerance improvement in these plants could be related to the chelation of the metal by the organic acid anion. These results suggest that BdMATE gene can be used to transform C4 crops of economic importance with improved aluminum tolerance. MenosAcidic soils are distributed worldwide, predominantly in tropical and subtropical areas,reaching around 50% of the arable soil. This type of soil strongly reduces crop production, mainly because of the presence of aluminum, which has its solubility increased at low pH levels. A well-known physiological mechanism used by plants to cope with Al stress involves activation of membrane transporters responsible for organic acid anions secretion from the root apex to the rhizosphere, which chelate Al, preventing its absorption by roots. In sorghum, a membrane transporter gene belonging to multidrug and toxic compound extrusion (MATE) family was identified and characterized as an aluminum-activated citrate transporter gene responsible for Al tolerance in this crop. Setaria viridis is an emerging model for C4 species and it is an important model to validate some genes for further C4 crops transformation, such as sugarcane, maize, and wheat. In the present work, Setaria viridis was used as a model plant to overexpress a newly identified MATE gene from Brachypodium distachyon(BdMATE), closely related to SbMATE, for aluminum tolerance assays. Transgenic S. viridis plants overexpressing a BdMATE presented an improved Al tolerance phenotype, characterized by sustained root growth and exclusion of aluminum from the root apex in transgenic plants, as confirmed by hematoxylin assay. In addition, transgenic plants showed higher root citrate exudation into the rhizosphere, suggesting that Al t... Mostrar Tudo |
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Palavras-Chave: |
BdMate; Hydroponic system; Organismo geneticamente modificado; Tolerância ao alumínio. |
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Thesagro: |
Aluminio. |
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Thesaurus NAL: |
Abiotic stress; Aluminum; Genetically modified organisms; Setaria viridis. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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Marc: |
LEADER 02981naa a2200433 a 4500
001 2080632
005 2018-01-24
008 2017 bl uuuu u00u1 u #d
024 7 $a10.3389/fpls.2017.00865$2DOI
100 1 $aRIBEIRO, A. P.
245 $aOverexpression of BdMATE gene improves aluminum tolerance in Setaria viridis.$h[electronic resource]
260 $c2017
300 $a12 p.
520 $aAcidic soils are distributed worldwide, predominantly in tropical and subtropical areas,reaching around 50% of the arable soil. This type of soil strongly reduces crop production, mainly because of the presence of aluminum, which has its solubility increased at low pH levels. A well-known physiological mechanism used by plants to cope with Al stress involves activation of membrane transporters responsible for organic acid anions secretion from the root apex to the rhizosphere, which chelate Al, preventing its absorption by roots. In sorghum, a membrane transporter gene belonging to multidrug and toxic compound extrusion (MATE) family was identified and characterized as an aluminum-activated citrate transporter gene responsible for Al tolerance in this crop. Setaria viridis is an emerging model for C4 species and it is an important model to validate some genes for further C4 crops transformation, such as sugarcane, maize, and wheat. In the present work, Setaria viridis was used as a model plant to overexpress a newly identified MATE gene from Brachypodium distachyon(BdMATE), closely related to SbMATE, for aluminum tolerance assays. Transgenic S. viridis plants overexpressing a BdMATE presented an improved Al tolerance phenotype, characterized by sustained root growth and exclusion of aluminum from the root apex in transgenic plants, as confirmed by hematoxylin assay. In addition, transgenic plants showed higher root citrate exudation into the rhizosphere, suggesting that Al tolerance improvement in these plants could be related to the chelation of the metal by the organic acid anion. These results suggest that BdMATE gene can be used to transform C4 crops of economic importance with improved aluminum tolerance.
650 $aAbiotic stress
650 $aAluminum
650 $aGenetically modified organisms
650 $aSetaria viridis
650 $aAluminio
653 $aBdMate
653 $aHydroponic system
653 $aOrganismo geneticamente modificado
653 $aTolerância ao alumínio
700 1 $aSOUZA, W. R. de
700 1 $aMARTINS, P. K.
700 1 $aVINECKY, F.
700 1 $aDUARTE, K. E.
700 1 $aBASSO, M. F.
700 1 $aDIAS, B. B. A.
700 1 $aCAMPANHA, R. B.
700 1 $aOLIVEIRA, P. A. de
700 1 $aCENTENO, D. C.
700 1 $aCANÇADO, G. M. de A.
700 1 $aMAGALHÃES, J. V. de
700 1 $aSOUSA, C. A. F. de
700 1 $aANDRADE, A. C.
700 1 $aKOBAYASHI, A. K.
700 1 $aMOLINARI, H. B. C.
773 $tFrontiers in Plant Science$gv. 8, p. 1-12, June 2017.
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Embrapa Milho e Sorgo (CNPMS) |
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