Výsledky vyhledávání - "Lourdes Isabel Velho do Amaral"

Akademický článek

Novo método enzimático rápido e sensível de extração e dosagem de amido em materiais vegetais

Autor: Lourdes Isabel Velho do Amaral, Marília Gaspar, Paula Moreira Felix Costa, Marcos Pereira Marinho Aidar, Marcos Silveira Buckeridge

Publikováno v: Hoehnea, Vol 34, Iss 4, Pp 425-431

Neste trabalho é feita uma comparação entre os métodos mais comumente utilizados para a dosagem de amido em materiais vegetais. A comparação entre um método químico (McCready) e o método enzimático proposto neste trabalho mostra que, embora

Externí odkaz: https://doaj.org/article/4f5f67b6004a4fe8be3ca0d28d628c62

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Edaphic factors as genetic selection agents and adaptation drivers of native plant species in harsh environments of the Brazilian savanna

Autor: Leide R. M. Andrade, Fabiana G. Aquino, Guillaume Echevarria, Jamile S. Oliveira, Cícero D. Pereira, Juaci V. Malaquias, Karina S. Souza, Emmanuelle Montargès-Pelletier, Fábio G. Faleiro, Fábio B. Reis Junior, Zenilton G. Miranda, Edson E. Sano, Lourdes Isabel Velho do Amaral

Publikováno v: Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA-Alice)
Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron:EMBRAPA

Purposes To analyze the main edaphic factors that differentiate ultramafic from typical Cerrado environments and act as agents of the development of biochemical and morphological mechanisms of species adaptation to these harsh environments; and to de

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::35f85f0103ef878408a215ce3fb971f8
http://www.alice.cnptia.embrapa.br/alice/handle/doc/1140643

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Biochemical events during somatic embryogenesis in Coffea arabica L

Autor: Lourdes Isabel Velho do Amaral, Hugo Teixeira Gomes, João Batista Teixeira, Jonny Everson Scherwinski-Pereira, Patrícia Monah Cunha Bartos

Several biochemical components associated with different stages of somatic embryogenesis in coffee (Coffea arabica L.) are investigated using foliar explants. Soluble sugar, starch, free amino acids and total proteins were extracted and quantified at

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::16b5a24d83e28e4d3c93066031d6114a
https://europepmc.org/articles/PMC5889373/

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Extrafloral nectary morphology and the role of environmental constraints in shaping its traits in a common Cerrado shrub (Maprounea brasiliensis A. St.-Hill: Euphorbiaceae)

Autor: Sônia Nair Báo, Davi Rodrigo Rossatto, Marina Neves Delgado, Helena C. Morais, Lourdes Isabel Velho do Amaral

Publikováno v: Brazilian Journal of Botany. 37:495-504

This study aimed to elucidate the anatomy and morphology of extrafloral nectaries (EFNs) in Maprounea brasiliensis and whether environmental factors influence their traits of production and morphology. For this reason, we sampled leaves from individu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4ad4ab2d5e991d9df20565fd22c8fe82
https://doi.org/10.1007/s40415-014-0062-5

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Comparative biochemical profiling during the stages of acquisition and development of somatic embryogenesis in African oil palm (Elaeis guineensis Jacq.)

Autor: Jonny Everson Scherwinski-Pereira, Patrícia Monah Cunha Bartos, Hugo Teixeira Gomes, Lourdes Isabel Velho do Amaral, Clovis Oliveira Silva

Publikováno v: Plant Growth Regulation. 74:199-208

In this study, the different stages of somatic embryogenesis (SE) of the African oil palm (Elaeis guineensis Jacq.) were characterized biochemically. The total soluble sugars, starch, total free amino acids, and total proteins were extracted, identif

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bc85db854a1e8e64047a19b00e4d6fde
https://doi.org/10.1007/s10725-014-9901-4

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Al-hyperaccumulator Vochysiaceae from the Brazilian Cerrado store aluminum in their chloroplasts without apparent damage

Autor: Lourdes Isabel Velho do Amaral, L. M. G. Barros, Michelle G. Cotta, Davi Rodrigo Rossatto, Leide R. M. de Andrade, Guillaume Echevarria, Augusto C. Franco, Mundayatan Haridasan

Publikováno v: Environmental and Experimental Botany
Environmental and Experimental Botany, Elsevier, 2011, 70 (1), pp.37-42. ⟨10.1016/j.envexpbot.2010.05.013⟩

We investigated the pattern of aluminum (Al) accumulation in leaf tissues of native hyperaccumulator Vochysiaceae species Qualea grandiflora, Callisthene major, and Vochysia pyramidalis, from the Brazilian Cerrado. Non-accumulator Sclerolobium panicu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cff2a9f55acb18111f14367cdbd8ca7e
https://doi.org/10.1016/j.envexpbot.2010.05.013

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Novo método enzimático rápido e sensível de extração e dosagem de amido em materiais vegetais

Autor: Lourdes Isabel Velho do Amaral, Marcos Silveira Buckeridge, Paula Moreira Felix Costa, Marília Gaspar, Marcos P. M. Aidar

Publikováno v: Hoehnea, Vol 34, Iss 4, Pp 425-431
Hoehnea v.34 n.4 2007
Hoehnea
Instituto de Botânica (IBT)
instacron:IBT
Hoehnea, Volume: 34, Issue: 4, Pages: 425-431, Published: 2007

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9cdd8f720345f47c251182bf0e7122df
https://doi.org/10.1590/s2236-89062007000400001

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Use of Residual Biomass from the Textile Industry as Carbon Source for Production of a Low-Molecular-Weight Xylanase from Aspergillus oryzae

Autor: Lourdes Isabel Velho do Amaral, Félix Gonçalves de Siqueira, Luís Roberto Batista, Carlos André Ornelas Ricart, Leonora Rios de Souza Moreira, Edivaldo Ximenes Ferreira Filho, Diana Paola Gómez-Mendoza, Gilvan Caetano Duarte

Publikováno v: Applied Sciences; Volume 2; Issue 4; Pages: 754-772
Applied Sciences, Vol 2, Iss 4, Pp 754-772 (2012)

Pretreated dirty cotton residue (PDCR) from the textile industry was used as an alternative carbon source for the submerged cultivation of Aspergillus oryzae and the production of xylanases. The filtered culture supernatant was fractionated by ultraf

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bd9a6f4c27503fd593553782dd58d077

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Diurnal changes in storage carbohydrate metabolism in cotyledons of the tropical tree Hymenaea courbaril L. (Leguminosae)

Autor: Lourdes Isabel Velho do Amaral, Marcos Silveira Buckeridge, Davi Rodrigo Rossatto, Henrique Pessoa dos Santos

Publikováno v: Brazilian Journal of Botany v.35 n.4 2012
Brazilian Journal of Botany
Sociedade Botânica de São Paulo (SBSP)
instacron:SBSP
Repositório Institucional da UnB
Universidade de Brasília (UnB)
instacron:UNB
Brazilian Journal of Botany, Volume: 35, Issue: 4, Pages: 347-355, Published: 2012

The cotyledons of Hymenaea courbaril store large amounts of xyloglucan, a cell wall polysaccharide that is believed to serve as storage for the period of seedling establishment. During storage mobilisation, xyloglucan seems to be degraded by a contin

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::abe5832737303e090fc9c4e9622fbe27
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-84042012000400008

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