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Related Concept Videos

Cellulose and Pectic Polysaccharides01:15

Cellulose and Pectic Polysaccharides

Every plant cell has a cell wall that protects the cell, provides structural support, and gives the cell shape. Cellulose, the main structural component of the plant cell wall, makes up over 30% of plant matter. It is the most abundant organic compound on earth.  Cellulose is an unbranched polysaccharide composed of linear chains of glucose molecules linked by β (1→4) glycosidic bonds.
As a cell matures, its cell wall specializes according to its type. For example, the parenchyma cells of...
Oligosaccharide Assembly01:24

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Protein glycosylation starts in the ER lumen and continues in the Golgi apparatus. Glycosyltransferases catalyze the addition of sugar molecules or glycosylation of proteins. Usually, these enzymes add sugars to the hydroxyl groups of selected serine or threonine residues to form O-linked glycans or the amino groups of asparagine residues to form N-linked glycans. Different positions on the same polypeptide chain can contain differently linked glycans.
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Biosynthesis of Polysaccharides01:26

Biosynthesis of Polysaccharides

Polysaccharides such as glycogen and starch are synthesized from nucleoside diphosphate sugars, primarily uridine diphosphate glucose (UDPG) and adenosine diphosphate glucose (ADPG). These activated glucose donors act as key intermediates in carbohydrate metabolism and biosynthesis. UDPG primarily involves glycogen synthesis in animals and many bacteria, while ADPG plays a fundamental role in starch synthesis in plants and certain bacteria.UDPG is formed when glucose-1-phosphate reacts with...

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Related Experiment Video

Updated: May 22, 2026

Label-free in situ Imaging of Lignification in Plant Cell Walls
07:35

Label-free in situ Imaging of Lignification in Plant Cell Walls

Published on: November 1, 2010

Semantic text mining support for lignocellulose research.

Marie-Jean Meurs1, Caitlin Murphy, Ingo Morgenstern

  • 1Department of Computer Science and Software Engineering, Concordia University, Montréal, QC, Canada. mjmeurs@encs.concordia.ca

BMC Medical Informatics and Decision Making
|May 19, 2012
PubMed
Summary
This summary is machine-generated.

Researchers developed semantic technologies to automate the mining of fungal enzyme knowledge from genomic data and literature. This accelerates the discovery of enzymes for efficient biomass conversion into biofuels.

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Area of Science:

  • Biotechnology
  • Bioinformatics
  • Enzymology

Background:

  • Biofuels from biomass offer sustainable alternatives to fossil fuels.
  • Efficient lignocellulose hydrolysis using enzyme cocktails is crucial for biofuel production.
  • Identifying and characterizing fungal enzymes involved in lignocellulose breakdown is a key research challenge.

Purpose of the Study:

  • To develop a semantic infrastructure for genomics-based lignocellulose research.
  • To automate the curation of knowledge on fungal enzymes from literature and genome resources.
  • To assist researchers in mining relevant knowledge and accessing semantically linked information.

Main Methods:

  • Utilized semantic technologies, including natural language processing (NLP) and ontologies.
  • Developed NLP pipelines integrated into a Web-based interface.
  • Collaborated with fungal biology researchers for manual literature curation.

Main Results:

  • Created a semantic infrastructure to support lignocellulose research.
  • Automated knowledge curation from diverse information sources.
  • Facilitated efficient literature mining and access to linked information.

Conclusions:

  • Ontological NLP pipelines integrated into a Web interface aid researchers.
  • The system assists in mining literature for fungal enzyme knowledge.
  • Provides rich, semantically linked information for advancing biofuel research.