Results 41 to 50 of about 21,798 (161)

Metabolic Characteristics of Different Carbon Sources by Microorganisms in Sediment of High-density Tilapia Pond

open access: yesGuangdong nongye kexue, 2022
【Objective】Microbial community in sediment plays an important role in maintaining the balance of pond ecosystem. The present research aimed to explore the characteristics and seasonal variation of carbon and nitrogen metabolism of microorganisms in ...
Miao WANG   +3 more
doaj   +1 more source

Cell wall arabinan is essential for guard cell function [PDF]

open access: yes, 2003
Stomatal guard cells play a key role in the ability of plants to survive on dry land, because their movements regulate the exchange of gases and water vapor between the external environment and the interior of the plant.
Atkinson   +19 more
core   +2 more sources

Preparation, characterization and activity verification of xylooligosaccharides from plantain straw

open access: yesHeliyon
Currently, the utilization value of plantain straw is low. To increase its value, plantain straw was utilized in this study to produce xylooligosaccharides (XOS). XOS were obtained from plantain straw through xylanase hydrolysis.
Wenming Jiang, Fang Li
doaj   +1 more source

Structural Characterization and Immunobiological Activity of Polysaccharides from Astragalus Oyster Mushroom

open access: yesMolecules, 2023
When added to mushroom growing substrates, edible and medicinal herbs affect the mushrooms’ nutritional and medicinal value. In this study, polysaccharides (P0OP-I and P15OP-I) were extracted and purified from oyster mushrooms grown on substrates ...
Qiuxia Meng   +4 more
doaj   +1 more source

Characterization of the Lipopolysaccharide from a \u3cem\u3eRhizobium phaseoli\u3c/em\u3e Mutant that is Defective in Infection Thread Development [PDF]

open access: yes, 1987
The lipopolysaccharide (LPS) from a Rhizobium phaseoli mutant, CE109, was isolated and compared with that of its wild-type parent, CE3. A previous report has shown that the mutant is defective in infection thread development, and sodium dodecyl sulfate ...
Carlson, Russell W.   +4 more
core   +1 more source

PECTOPLATE: the simultaneous phenotyping of pectin methylesterases, pectinases and oligogalacturonides in plants during biotic stresses [PDF]

open access: yes, 2015
Degradation of pectin, a major component of plant cell wall, is important for fungal necrotrophs to achieve a successful infection. The activities of pectin methylesterases (PMEs) from both plants and pathogens and the degree and pattern of pectin ...
LIONETTI, VINCENZO
core   +2 more sources

Extraction, purification, structural characterization, and antioxidant activity of a novel polysaccharide from Lonicera japonica Thunb.

open access: yesFrontiers in Nutrition, 2022
A novel water-soluble polysaccharide (HEP-4) with a molecular weight of 1.98 × 105Da was extracted from honeysuckle. Structural characterization was performed using high-performance liquid chromatography (HPLC), gas chromatography, Fourier transform ...
Feiyu An   +11 more
doaj   +1 more source

Novel hydrogels based on polysaccharides for soft tissue regeneration: preparation and characterization [PDF]

open access: yes, 2015
Předložená diplomová práce se zabývá přípravou, síťováním a fyzikálně-chemickou charakterizací hydrogelů na bázi polysacharidů. Cílem práce bylo vyvinout elastické filmy, které by mohly být použity pro vlhké hojení ran.
Nedomová, Eva
core  

The invertebrate Caenorhabditis elegans biosynthesizes ascorbate. [PDF]

open access: yes, 2015
l-Ascorbate, commonly known as vitamin C, serves as an antioxidant and cofactor essential for many biological processes. Distinct ascorbate biosynthetic pathways have been established for animals and plants, but little is known about the presence or ...
Adler, Lital N   +5 more
core   +2 more sources

Ultrafiltration Fibers like Bioreactors [PDF]

open access: yes, 2001
A polysulfone ultrafiltration membrane with pectinase physically immobilized on it by a dynamic formation method was used to examine the potential of these reactive membranes in applications involving solutions containing pectin.
Carrin, Maria Elena   +2 more
core  

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