Related Experiment Video
Updated: Dec 30, 2025
09:27
Functional Complementation Analysis FCA: A Laboratory Exercise Designed and Implemented to Supplement the Teaching of Biochemical Pathways
Published on: June 24, 2016
18.1K
Mapping and refactoring pathway control through metabolic and protein engineering: The hexosamine biosynthesis
Pieter Coussement1, David Bauwens1, Gert Peters1
1Center for Synthetic Biology, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium.
Biotechnology Advances
|January 19, 2020
Summary
Overcoming microbial metabolic control is crucial for developing cell factories. This study explores strategies to circumvent regulatory bottlenecks in the hexosamine biosynthesis pathway for biotechnological production.
Area of Science:
- Microbial metabolism and biotechnology
- Metabolic engineering and synthetic biology
Background:
- Microorganisms employ complex regulatory mechanisms to optimize metabolic flux.
- These natural controls often hinder metabolic engineering efforts for overproduction.
- The hexosamine biosynthesis pathway is a key target for biotechnological applications.
Purpose of the Study:
- To investigate regulatory mechanisms controlling the hexosamine biosynthesis pathway.
- To identify strategies for overcoming metabolic bottlenecks in microbial cell factories.
- To provide insights for optimizing biotechnological production of valuable compounds.
Main Methods:
- Review of alternative pathways in prokaryotes and eukaryotes.
- Analysis of transcriptional, translational, and post-translational regulatory controls.
- Identification of strategies to circumvent identified pathway bottlenecks.
Main Results:
- Detailed discussion of alternative hexosamine biosynthesis pathways.
- Elucidation of diverse regulatory mechanisms impacting metabolic flux.
- Presentation of strategies to overcome natural regulatory controls.
Conclusions:
- Circumventing metabolic flux control is essential for successful microbial cell factory development.
- Strategies applied to the hexosamine pathway can inform optimization of other microbial systems.
- This work provides a foundation for enhancing biotechnological production through metabolic engineering.
More Related Videos
07:59A Customizable Approach for the Enzymatic Production and Purification of Diterpenoid Natural Products
Published on: October 4, 2019
10.3K
13:35Structural Biology and Analytical Chemistry Approaches for Characterizing C-Glycoside Metabolic Enzymes in Human Gut Microbiota
Published on: May 23, 2025
828
Related Concept Videos
01:29Amino Acid Biosynthetic Pathways
845
Amino acid biosynthesis is essential for cell growth, protein synthesis, and metabolic regulation. Cells generate essential and non-essential amino acids from metabolic intermediates to sustain vital biological functions. These intermediates originate from key metabolic pathways: glycolysis, the tricarboxylic acid (TCA) cycle, and the pentose phosphate pathway. Important precursors include α-ketoglutarate, pyruvate, oxaloacetate, phosphoenolpyruvate, and erythrose-4-phosphate, which...
845
01:24Other Glycolytic Pathways
728
The pentose phosphate pathway (PPP) operates in parallel with glycolysis, facilitating the metabolism of both pentoses and glucose. This pathway consists of two distinct phases: the oxidative and non-oxidative phases. While it does not directly generate ATP, the intermediates formed during the process can integrate into glycolysis, contributing to cellular energy metabolism when required.Oxidative Phase: NADPH ProductionThe oxidative phase of the pentose phosphate pathway is primarily...
728
01:28Biosynthesis of Nucleic Acids
850
Nucleic acid biosynthesis is a fundamental biochemical process that produces the purine and pyrimidine nucleotides essential for DNA and RNA synthesis. This pathway maintains a balanced nucleotide pool, preventing imbalances that could jeopardize genetic integrity and cellular function. Given the crucial role of nucleotides, their synthesis is tightly regulated to ensure proper cellular homeostasis.Purine BiosynthesisThe biosynthesis of purine nucleotides begins with ribose-5-phosphate, a...
850
01:24Biosynthesis in Bacteria
485
Biosynthesis in bacteria is a fundamental anabolic process that generates essential macromolecules, including proteins, nucleic acids, lipids, and polysaccharides. These macromolecules are critical for cellular growth, replication, and function. The process is tightly regulated and energetically linked to catabolic pathways to ensure optimal resource utilization.Biosynthetic pathways begin with precursor metabolites such as pyruvate, acetyl-CoA, and glucose-6-phosphate derived from glycolysis,...
485
01:19Regulation of Metabolism
11.3K
Cellular needs and conditions vary from cell to cell and change within individual cells over time. For example, the required enzymes and energetic demands of stomach cells are different from those of fat storage cells, skin cells, blood cells, and nerve cells. Furthermore, a digestive cell works much harder to process and break down nutrients during the time that closely follows a meal compared with many hours after a meal. As these cellular demands and conditions vary, so do the amounts and...
11.3K
01:30Introduction to Metabolism
2.5K
Metabolism encompasses all biochemical reactions in a living organism, facilitating both the breakdown and synthesis of biomolecules. These metabolic processes are categorized into catabolic and anabolic pathways, which operate in a coordinated manner to ensure energy balance and cellular function.Catabolic Pathways and Energy ReleaseCatabolic pathways involve the breakdown of complex macromolecules such as carbohydrates, lipids, and proteins into smaller structures like monosaccharides, fatty...
2.5K