Results 31 to 40 of about 706 (179)

Seaweed Polysaccharides and Derived Oligosaccharides Stimulate Defense Responses and Protection Against Pathogens in Plants

open access: yesMarine Drugs, 2011
Plants interact with the environment by sensing “non-self” molecules called elicitors derived from pathogens or other sources. These molecules bind to specific receptors located in the plasma membrane and trigger defense responses leading to protection ...
Alejandra Moenne   +3 more
doaj   +1 more source

Ulvan and ulvan/chitosan polyelectrolyte nanofibrous membranes as a potential substrate material for the cultivation of osteoblasts

open access: yesCarbohydrate Polymers, 2012
A new generation of biomaterials composed of the natural polysaccharides, ulvans extracted from the green seaweed Ulva rigida and chitosan have been investigated. Ulvan, chitosan alone and ulvan/chitosan polyelectrolyte membranes have been synthesised and characterised.
Toskas, G.   +6 more
openaire   +3 more sources

Manufacturing Ulvan Biopolymer for Wound Dressings

open access: yesMacromolecular Materials and Engineering, 2023
AbstractAlthough recent advancements in wound healing strategies have led to successful treatment for numerous wounds, the incidence of wound infections remain elevated, and is anticipated to rise as the effectiveness of antibiotics wanes. Biofabrication is a promising technique for producing innovative tissue structures that mimic the natural ...
Javad Foroughi   +3 more
openaire   +3 more sources

The Use of Myelinating Cultures as a Screen of Glycomolecules for CNS Repair

open access: yesBiology, 2019
In vitro cell-based assays have been fundamental in modern drug discovery and have led to the identification of novel therapeutics. We have developed complex mixed central nervous system (CNS) cultures, which recapitulate the normal process of ...
George A. McCanney   +6 more
doaj   +1 more source

Prebiotic potential of enzymatically produced ulvan oligosaccharides using ulvan lyase of Bacillus subtilis, NIOA181, a macroalgae-associated bacteria

open access: yesJournal of Applied Microbiology, 2022
Abstract Aims To characterize the polysaccharide hydrolyzing potential of macroalgae-associated bacteria (MABs) for the enzymatic production of oligosaccharides and determining their prebiotic potential.
Ashok S. Jagtap   +3 more
openaire   +2 more sources

The study on antioxidant activity of ulvan-calcium derivative [PDF]

open access: yesJournal of Medicinal Plants Research, 2021
Ulvan is a water-soluble polysaccharide that is extracted from the algae Ulva pertusa (Chlorophyta). In this study, ulvan-calcium derivative (U-calcium) was prepared and calcium content was 5.2%. Ulvan-calcium could effectively scavenge on 2,2-diphenyl-1-picrylhydrazyl (DPPH), 2,2’-azino-bis (3-ethyl-benzothiazolie-6-sulfonic acid) (ABTS), hydroxyl ...
Wang Xiaoqian   +7 more
openaire   +1 more source

Current Trends on Seaweeds: Looking at Chemical Composition, Phytopharmacology, and Cosmetic Applications

open access: yesMolecules, 2019
Seaweeds have received huge interest in recent years given their promising potentialities. Their antioxidant, anti-inflammatory, antitumor, hypolipemic, and anticoagulant effects are among the most renowned and studied bioactivities so far, and these ...
Bahare Salehi   +9 more
doaj   +1 more source

Arabinogalactan Protein-Like Proteins From Ulva lactuca Activate Immune Responses and Plant Resistance in an Oilseed Crop

open access: yesFrontiers in Plant Science, 2022
Natural compounds isolated from macroalgae are promising, ecofriendly, and multifunctional bioinoculants, which have been tested and used in agriculture. Ulvans, for instance, one of the major polysaccharides present in Ulva spp.
Tereza Přerovská   +7 more
doaj   +1 more source

A novel ulvan lyase family with broad-spectrum activity from the ulvan utilisation loci of Formosa agariphila KMM 3901 [PDF]

open access: yesScientific Reports, 2018
AbstractUlvan, which is one of the major structural polysaccharides of the cell walls of green macroalgae, is degraded by ulvan lyases via the β-elimination mechanism with the release of oligosaccharides that have unsaturated 4-deoxy-L-threo-hex-4-enopyranosiduronic acid (∆) at the non-reducing end. These ulvan lyases belong to the PL24 or PL25 or PL28
Venkat Rao Konasani   +3 more
openaire   +3 more sources

EFFECT OF SULFATION ON THE STRUCTURE AND ANTICOAGULANT ACTIVITY OF ULVAN EXTRACTED FROM GREEN SEAWEED ULVA RETICULATA [PDF]

open access: yes, 2018
Ulvans are sulfated polysaccharides derived from the cell wall of green seaweeds. Thechemical structure of ulvan extracted from Ulva reticulata is reported, focusing on investigationof the sulfated modification of the ulvan and the changes in structure ...
Minh Thu, Quach Thi
core   +2 more sources

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