Cell Wall Sugars
Mostrando 1-12 de 150 artigos, teses e dissertações.
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1. Enzymatically and/or thermally treated Macroalgae biomass as feedstock for fermentative H2 production
ABSTRACT Due to its high carbohydrate content, algae biomass can be employed as feedstock to produce hydrogen (H2) by fermentation. However, to make the carbohydrates entrapped within the cell wall more bioavailable, algae biomass must be treated before fermentation. We submitted Kappaphyccus alvarezzi macroalgae biomass to autoclave (at 120 °C and 1 atm fo
Matéria (Rio J.). Publicado em: 10/06/2019
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2. Optimization of RT-PCR reactions in studies with genes of lignin biosynthetic route in Saccharum spontaneum
ABSTRACT Saccharum spontaneum has been used for the development of energy cane a crop aimed to be used for the production of second-generation ethanol, or lignocellulosic ethanol. Lignin is a main challenge in the conversion of cell wall sugars into ethanol. In our studies to isolate the genes the lignin biosynthesis in S. spontaneum we have had great diffic
An. Acad. Bras. Ciênc.. Publicado em: 2018-03
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3. Screening of thermotolerant and thermophilic fungi aiming β-xylosidase and arabinanase production
Plant cell wall is mainly composed by cellulose, hemicellulose and lignin. The heterogeneous structure and composition of the hemicellulose are key impediments to its depolymerization and subsequent use in fermentation processes. Thus, this study aimed to perform a screening of thermophilic and thermotolerant filamentous fungi collected from different region
Braz. J. Microbiol.. Publicado em: 2014-12
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4. Composition of pectic polysaccharides in a Portuguese apple (Malus domestica Borkh. cv Bravo de Esmolfe)
Malus domestica Borkh. cv Bravo de Esmolfe is a typical Portuguese apple cultivar classified as Protected Designation and Origin (PDO). It is a traditional product produced under strict conditions and labelled with a specific law protected designation. This cultivar presents quite good sweetness and flavor. The monosaccharide composition of the pectic polysa
Sci. agric. (Piracicaba, Braz.). Publicado em: 2014-08
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5. Caracterização bioquímica e biofísica da Celobiohidrolase II do fungo Trichoderma harzianum IOC3844 produzida por expressão homóloga / Biochemical and biophysical characterization of cellobiohydrolase II from Trichoderma harzianum IOC 3844 produced by homologous expression
The depletion of reserves, especially of refined oil , with increased energy demands and the urgent need to reduce the carbon emissions on the atmosphere, signals the necessity to search for new sources of energy renewable and clean. Concerns about global warming have led to an increased world interest in biofuels. The new concept of second generation biofue
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 30/07/2012
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6. Diurnal changes in storage carbohydrate metabolism in cotyledons of the tropical tree Hymenaea courbaril L. (Leguminosae)
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 continuous process that starts right after radicle protrusion and follows up to the establishment of photosynthesis.
Braz. J. Bot.. Publicado em: 2012
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7. Chilling privation during dormancy period and carbohydrate mobilization in Japanese pear trees
The flower bud abortion is one of the main problems that limit commercial pear (Pyrus pyrifolia) production in the southern region of Brazil. Insufficient chilling during the dormancy period is known as the main factor of this problem. One of the hypotheses to explain this problem is that the starch mobilization and carbohydrate fluxes to the buds are impede
Scientia Agricola. Publicado em: 2011-08
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8. Flooding tolerance and cell wall alterations in maize mesocotyl during hypoxia.
This research aimed to characterize the tolerance to flooding and alterations in pectic and hemicellulose fractions from mesocotyl of maize tolerant to flooding when submitted to hypoxia. In order to characterize tolerance seeds from maize cultivars Saracura BRS-4154 and BR 107 tolerant and sensitive to low oxygen levels, respectively, were set to germinate.
Pesquisa Agropecuaria Brasileira. Publicado em: 2011
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9. Calcium partially relieves the deleterius effects of hypoxia on a maize cultivar selected for waterlogging tolerance.
Low soil oxygen concentrations due to waterlogging or transient flooding severely reduce maize production. However, genotypes with tolerance or even resistance to hypoxia develop morphological and biochemical adaptation mechanisms which may prove to be useful criteria for the selection and breeding of new improved genotypes. The objective of this work was to
Revista Brasileira de Milho e Sorgo. Publicado em: 2011
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10. Foliar carbohydrate content and invertase activity of ?Syrah? and ?Moscato Canelli? vines subjected to partial rootzone drying and regulated deficit irrigation.
Partial rootzone drying (PRD) and regulated deficit irrigation (RDI) has been studied in many wine-producing countries as irrigation techniques, which improves the water use efficiency, vigor control and maturation quality of wine grape production without significant crop reduction. This work aimed to compare leaf starch, reducing sugars (RS) and total solub
Acta Horticulturae. Publicado em: 2011
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11. Fisiologia, bioquÃmica e morfologia da germinaÃÃo de mandacaru (Cereus jamacaru D.C.) / PHYSIOLOGY, BIOCHEMISTRY AND MORPHOLOGY OF MANDACARU (Cereus jamacaru D.C.) GERMINATION
The aim of this work was to study the physiology, biochemistry and morphology of mandacaru (Cereus jamacaru D.C) germination. Firstly, we analyzed the effects of light and temperature on mandacaru germination under four light treatments (white, dark, red and far-red) associated to six different temperatures [15, 20, 20-30 (alternated), 25, 30 and 35ÂC]. The
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 10/02/2009
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12. Modificações da parede celular de frutos do mamoeiro (Carica papaya L.) em diferentes estadios do desenvolvimento / Modifications of the cell wall of fruits of papaya (Carica papaya L.) at various stages of development
The plant cell wall is a unique component of plant tissues and its polysaccharide composition essential to understand food texture and its changes during post-harvestingl especially of climateric fruits, as is the case of papaya. The plant cell wall is composed of three domains: the first is formed by cellulose and hemicelluloses, the second of pectins and t
Publicado em: 2009