Results 11 to 20 of about 1,079,802 (311)

Carbohydrates [PDF]

open access: yesAdvances in Nutrition, 2014
Although carbohydrates represent one of the most important families of biomolecules, they remain under-studied in comparison to the other biomolecular families (peptides, nucleobases). Beyond their best-known function of energy source in living systems, they act as mediator of molecular recognition processes, carrying molecular information in the so ...
Joanne, Slavin, Justin, Carlson
openaire   +4 more sources

Protocols for isolating and characterizing polysaccharides from plant cell walls: a case study using rhamnogalacturonan-II

open access: yesBiotechnology for Biofuels, 2021
Background In plants, a large diversity of polysaccharides comprise the cell wall. Each major type of plant cell wall polysaccharide, including cellulose, hemicellulose, and pectin, has distinct structures and functions that contribute to wall mechanics ...
William J. Barnes   +7 more
doaj   +1 more source

Regulation of Primary Cilium Length by O-GlcNAc during Neuronal Development in a Human Neuron Model

open access: yesCells, 2023
The primary cilium plays critical roles in the homeostasis and development of neurons. Recent studies demonstrate that cilium length is regulated by the metabolic state of cells, as dictated by processes such as glucose flux and O-GlcNAcylation (OGN ...
Jie L. Tian   +5 more
doaj   +1 more source

De novo biosynthesis of rubusoside and rebaudiosides in engineered yeasts

open access: yesNature Communications, 2022
Rubusoside and rebaudiosides are considered the next generation of sugar substitutes. In this article, the authors report the engineering of Saccharomyces cerevisiae, remodelling the complex metabolic networks by a modular engineering approach, obtaining
Yameng Xu   +13 more
doaj   +1 more source

Site specific N- and O-glycosylation mapping of the spike proteins of SARS-CoV-2 variants of concern

open access: yesScientific Reports, 2023
The glycosylation on the spike (S) protein of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the virus that causes COVID-19, modulates the viral infection by altering conformational dynamics, receptor interaction and host immune ...
Asif Shajahan   +4 more
doaj   +1 more source

Loss of Arabidopsis GAUT12/IRX8 causes anther indehiscence and leads to reduced G lignin associated with altered matrix polysaccharide deposition

open access: yesFrontiers in Plant Science, 2014
GAUT12 (GAlactUronosylTransferase12)/IRX8 (IRregular Xylem8) is a putative glycosyltransferase involved in Arabidopsis secondary cell wall biosynthesis.
Zhangying eHao   +24 more
doaj   +1 more source

Protein-carbohydrate interactions during fertilization [PDF]

open access: yes, 1998
Interaction between gametes during fertilization is at least in part regulated by carbohydrate moieties of the zona pellucida (ZP) and carbohydrate binding proteins of the sperm surface. This review focuses on the protein-carbohydrate interactions during
Kolle, S., Plendl, J., Sinowatz, Fred
core   +1 more source

Maximizing efficiency of rumen microbial protein production. [PDF]

open access: yes, 2015
Rumen microbes produce cellular protein inefficiently partly because they do not direct all ATP toward growth. They direct some ATP toward maintenance functions, as long-recognized, but they also direct ATP toward reserve carbohydrate synthesis and ...
Andries   +158 more
core   +2 more sources

Designer biomass for next-generation biorefineries: leveraging recent insights into xylan structure and biosynthesis

open access: yesBiotechnology for Biofuels, 2017
Xylans are the most abundant noncellulosic polysaccharides in lignified secondary cell walls of woody dicots and in both primary and secondary cell walls of grasses.
Peter J. Smith   +4 more
doaj   +1 more source

NMR analysis suggests the terminal domains of Robo1 remain extended but are rigidified in the presence of heparan sulfate

open access: yesScientific Reports, 2022
Human roundabout 1 (hRobo1) is an extracellular receptor glycoprotein that plays important roles in angiogenesis, organ development, and tumor progression.
Robert V. Williams   +4 more
doaj   +1 more source

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