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Like many living organisms, plants have tissues that specialize in specific plant functions. For example, shoots are well adapted to rapid growth, while roots are structured to acquire resources efficiently. However, sugar production is primarily restricted to the photosynthetic cells that reside in the leaves of angiosperm plants. Sugar and other resources are transported from photosynthetic tissues to other specialized tissues by a process called translocation.
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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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In humans, more than 80% of the genome gets transcribed. However, only around 2% of the genome codes for proteins. The remaining part produces non-coding RNAs which includes ribosomal RNAs, transfer RNAs, telomerase RNAs, and regulatory RNAs, among other types. A large number of regulatory non-coding RNAs have been classified into two groups depending upon their length – small non-coding RNAs, such as microRNA, which are less than 200 nucleotides in length, and long non-coding RNA...
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Updated: Jan 26, 2026

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Precision Synthesis of Polysaccharides: Unlocking the Sugar Code for Tailored Biological Functions.

Caimeng Lv1, Wenjun Zeng1, Yangchao Luo2

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Synthetic strategies offer a solution to challenges in natural polysaccharide extraction, enabling the creation of well-defined structures for diverse applications in medicine and materials science.

Keywords:
biological activitychemical synthesischemoenzymatic methodssugar codetotal synthesis

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Area of Science:

  • Carbohydrate Chemistry
  • Biomaterials Science
  • Drug Discovery

Background:

  • Polysaccharides are crucial biomacromolecules involved in cell recognition, immune modulation, and signal transduction.
  • Their biological activity depends on complex structural features like composition, linkages, and branching (the "sugar code").
  • Natural extraction yields are often variable, impure, and inconsistent, hindering research and development.

Purpose of the Study:

  • To review recent advancements in polysaccharide synthesis.
  • To connect structure, synthesis, and function for bioactive polysaccharides.
  • To explore the potential of synthetic polysaccharides in various industries.

Main Methods:

  • Summarizes chemical synthesis approaches.
  • Highlights enzymatic synthesis strategies.
  • Discusses chemoenzymatic methods for polysaccharide production.

Main Results:

  • Synthetic routes provide well-defined polysaccharides, overcoming natural extraction limitations.
  • Elucidates design principles for creating specific polysaccharide structures.
  • Demonstrates the evolution from fundamental research to industrial applications.

Conclusions:

  • Synthetic polysaccharides are essential for advancing research and applications.
  • Offers insights for drug discovery, biomaterials engineering, and functional foods.
  • Emphasizes the importance of the structure-synthesis-function relationship.