Consulta: creatorFacets:"Salatino,Antonio"
Registros recuperados: 8
Data/hora: 08/06/2024 09:39:23

Distribution and evolution of secondary metabolites in Eriocaulaceae, Lythraceae and Velloziaceae from "campos rupestres"
Provedor de dados: Genetics and Molecular Biology
Autores: Salatino,Antonio; Salatino,Maria Luiza Faria; Santos,Déborah Yara A.C. dos; Patrício,Márcia Cristina B.
Hypotheses are presented on the evolution of structural patterns of secondary metabolites (flavonoids and foliar wax alkanes) and fatty acids of families of "campos rupestres". The distribution of fatty acids is given for genera of Lythraceae, with emphasis on Cuphea (supposedly more advanced) and Diplusodon. Compounds with saturated short chains represent a derived condition in Lythraceae although they are probably restricted to Cuphea. It is suggested that evolution selected for more complex flavonoid patterns in Cuphea, with the inclusion of C-glycoflavones and methoxylated flavonols (rhamnetin and isorhamnetin), which are not found in members of Diplusodon and Lafoensia. The supposedly primitive groups of Eriocaulaceae (e.g., Paepalanthus) presented...
Tipo: Info:eu-repo/semantics/article
Ano: 2000
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572000000400038

Teores de ligninas, nitrogênio e taninos em folhas de espécies típicas do mangue
Provedor de dados: Revista Brasileira de Botânica
Autores: Godoy,Silvana A.P. de; Mayworm,Marco A.S.; Lo,Vincent Kurt; Salatino,Antonio; Schaeffer-Novelli,Yara.
RESUMO - (Teores de ligninas, nitrogênio e taninos em folhas de espécies típicas de mangue). Mediram-se os teores de ligninas, N total e taninos em folhas de Avicennia schaueriana, Laguncularia racemosa e Rhizophora mangle, coletadas em manguezais de Suape, Ilha Madre de Deus (um local muito poluído na Bahía), Cananéia e duas localidades de Bertioga, uma delas fortemente impactada por descargas poluentes, na qual não se observam indivíduos de Rhizophora, e outra situada à margem desta última área. Verificou-se que as folhas de Laguncularia e Rhizophora contêm altos teores de taninos, sendo as da primeira espécie três a quatro vezes mais ricas que as da última. As folhas de Avicennia apresentaram-se desprovidas de taninos e com os mais altos teores de N. Os...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Mangrove; Avicennia; Laguncularia; Rhizophora; Tannins; Lignins.
Ano: 1997
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-84041997000100003

Editorial
Provedor de dados: Revista Brasileira de Botânica
Autores: Salatino,Antonio.
Tipo: Info:eu-repo/semantics/other
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-84042012000400002

Flavonóides de quatro espécies de Paepalanthus Ruhl. (Eriocaulaceae)
Provedor de dados: Acta Botanica Brasilica
Autores: Mayworm,Marco A. S; Salatino,Antonio.
Flavonóides de quatro espécies de Paepalanthus (P. bifrons, P. hilairei, P. planifolius e P. robustus) foram isolados e identificados. Três espécies apresentaram flavonóis 6-oxigenados, uma características que ocorre também em Eriocaulon. No entanto, P. hilairei contém flavonas, um caráter observado em espécies de Leiothrix e Syngonanthus. Esses resultados (ainda que preliminares) revelam uma heterogeneidade química em Paepalanthus, em comparação a outros gêneros de Eriocaulaceae.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Eriocaulaceae; Paepalanthus; Flavonóides; Quimiotaxonomia.
Ano: 1993
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33061993000200008

Nutritional reserves of Vochysiaceae seeds: chemical diversity and potential economic uses
Provedor de dados: Anais da Academia Brasileira de Ciências
Autores: Mayworm,Marco A. S; Buckeridge,Marcos S; Marquez,Ursula M. L; Salatino,Antonio.
Contents of proteins, carbohydrates and oil of seeds of 57 individuals of Vochysiaceae, involving one species of Callisthene, six of Qualea, one of Salvertia and eight of Vochysia were determined. The main nutritional reserves of Vochysiaceae seeds are proteins (20% in average) and oils (21. 6%). Mean of carbohydrate contents was 5. 8%. Callisthene showed the lowest protein content (16. 9%), while Q. cordata was the species with the highest content (30% in average). The contents of ethanol soluble carbohydrates were much higher than those of water soluble carbohydrates. Oil contents lay above 20% for most species (30. 4% in V. pygmaea and V. pyramidalis seeds). The predominant fatty acids are lauric (Q. grandiflora), oleic (Qualea and Salvertia) or acids...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biodiesel; Carbohydrates; Fatty acids; Proteins; Seed oils; Vochysiaceae.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652011000200012

Epicuticular waxes from caatinga and cerrado species and their efficiency against water loss
Provedor de dados: Anais da Academia Brasileira de Ciências
Autores: Oliveira,Antonio F. M.; Meirelles,Sérgio T.; Salatino,Antonio.
The effects of the contents and chemical composition of the foliar epicuticular waxes of species from the caatinga (Aspidosperma pyrifolium, Capparis yco, Maytenus rigida and Ziziphus joazeiro) and cerrado (Aristolochia esperanzae, Didymopanax vinosum, Strychnos pseudoquina and Tocoyena formosa) were evaluated as to the resistance to water loss by means of an experimental device constructed for this purpose. In general, the waxes of the caatinga species investigated were more efficient against water loss than cerrado species. Increase of the thickness of the waxy deposits from 40 to 90m g.cm-2 had no significant effect on the resistance to water loss. The chemistry of the wax constituents was shown to be an important factor to determine the degree of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Caatinga; Cerrado; Epicuticular waxes; N-alkanes; Triterpenoids; Water diffusion.
Ano: 2003
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652003000400003

Reserve carbohydrates and lipids from the seeds of four tropical tree species with different sensitivity to desiccation
Provedor de dados: Brazilian Archives of Biology and Technology
Autores: Mello,Juliana Iura de Oliveira; Barbedo,Claudio José; Salatino,Antonio; Figueiredo-Ribeiro,Rita de Cássia Leone.
Considering the importance of water content for the conservation and storage of seeds, and the involvement of soluble carbohydrates and lipids for embryo development, a comparative study was carried out among the seeds of Inga vera (ingá), Eugenia uniflora (pitanga), both classified as recalcitrant, and Caesalpinia echinata (brazilwood) and Erythrina speciosa (mulungu), considered as orthodox seeds. Low concentrations of cyclitols (0.3-0.5%), raffinose family oligosaccharides (ca. 0.05%) and unsaturated fatty acids (0-19%) were found in the seeds of ingá and pitanga, while larger amounts of cyclitols (2-3%) and raffinose (4.6-13%) were found in brazilwood and mulungu, respectively. These results, in addition to higher proportions of unsaturated fatty acids...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Desiccation tolerance; Fatty acids; Seeds; Starch; Sugars.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132010000400019

cDNA-AFLP analysis of Psidium guajava L. cultivars under water stress and mechanical injury: methodological implications
Provedor de dados: Brazilian Journal of Plant Physiology
Autores: Furlan,Cláudia Maria; Zanotta,Samantha; Salatino,Antonio.
Studies involving amplified fragment length polymorphism (cDNA-AFLP) have often used polyacrylamide gels with radiolabeled primers in order to establish best primer combinations, to analyze, and to recover transcript-derived fragments. Use of automatic sequencer to establish best primer combinations is convenient, because it saves time, reduces costs and risks of contamination with radioactive material and acrylamide, and allows objective band-matching and more precise evaluation of transcript-derived fragments intensities. This study aimed at examining the gene expression of commercial cultivars of P. guajava subjected to water and mechanical injury stresses, combining analyses by automatic sequencer and fluorescent kits for polyacrylamide gel...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Automatic sequencer; Gene expression; Mechanical injury; Water stress.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1677-04202012000100005