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Related Concept Videos

Overview of Fungi01:29

Overview of Fungi

Fungi are a diverse group of eukaryotes more closely related to animals than other eukaryotes. Fungal cell walls comprise chitin, a polysaccharide that provides structural strength, and glucans, which contribute to flexibility and integrity. Other polysaccharides, such as mannans and galactosans, may supplement or replace chitin in some fungi. These adaptations, along with their preference for acidic environments and tolerance for high osmotic pressure, enable fungi to thrive in various...
Fungal Phylum Microsporidia01:28

Fungal Phylum Microsporidia

Microsporidia are a group of obligate intracellular fungi that were initially classified as protists but were later reclassified based on phylogenetic, molecular, and structural evidence linking them to the Chytridiomycota. These unicellular, non-motile organisms are highly specialized parasites that infect a wide range of animal hosts, including humans. They have evolved extensive genomic and metabolic reductions, making them highly dependent on their hosts for survival.Morphology and Genomic...
Antifungal Agents01:15

Antifungal Agents

Amphotericin B is a broad-spectrum antifungal agent that exploits structural differences between fungal and mammalian cell membranes. Its amphipathic structure—featuring a hydrophobic polyene-lactone ring and a hydrophilic region containing mycosamine and carboxylic acid groups—enables selective binding to ergosterol, a sterol predominantly found in fungal plasma membranes. This selective interaction underlies the drug’s antifungal activity, although weak binding to cholesterol contributes to...
Fungal Phylum Basidiomycota01:26

Fungal Phylum Basidiomycota

Basidiomycota is a diverse phylum of fungi that includes ecologically significant decomposers such as white rot fungi, symbionts like mycorrhizal fungi, plant pathogens such as rusts and smuts, and edible species like Agaricus bisporus (the common button mushroom). These fungi play crucial roles in nutrient cycling, symbiotic relationships, and even human health. Their defining feature is the basidium, a microscopic club-shaped structure responsible for producing basidiospores.Fruiting Bodies...
Biodeterioration01:28

Biodeterioration

Biodeterioration refers to the unwanted alteration of materials caused by microorganisms—especially fungi—which damage both organic substrates (paper, wood, textiles) and inorganic ones (stone, plaster, glass). Unlike abiotic decay, biodeterioration results from biological activity that produces physical disruption and chemical degradation.Physical deterioration occurs as fungal hyphae penetrate pores, cracks, and surface irregularities. Hyphal turgor pressure, thigmotropic growth along...
Peptidoglycan Synthesis01:28

Peptidoglycan Synthesis

Structure of PeptidoglycanPeptidoglycan is a vital structural component of the bacterial cell wall, providing mechanical strength and shape to the cell. It consists of repeating units of two sugars—N-acetylglucosamine (NAG) and N-acetylmuramic acid (NAM)—linked by β-1,4 glycosidic bonds. These sugar chains are cross-linked by short peptide chains, forming a mesh-like polymer that surrounds the bacterial plasma membrane.Cytoplasmic Phase – Precursor SynthesisPeptidoglycan biosynthesis begins in...

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Related Experiment Video

Updated: Jun 12, 2026

Rapid Freezing using Sandwich Freezing Device for Good Ultrastructural Preservation of Biological Specimens in Electron Microscopy
09:03

Rapid Freezing using Sandwich Freezing Device for Good Ultrastructural Preservation of Biological Specimens in Electron Microscopy

Published on: July 19, 2021

Chitin synthesis and fungal pathogenesis.

Megan D Lenardon1, Carol A Munro, Neil A R Gow

  • 1Aberdeen Fungal Group, School of Medical Sciences, Institute of Medical Sciences, University of Aberdeen, Aberdeen, AB25 2ZD, UK.

Current Opinion in Microbiology
|June 22, 2010
PubMed
Summary

Chitin, a fungal cell wall component absent in vertebrates, plays a key role in fungal pathogenesis and immune responses. This review details advances in understanding chitin synthesis regulation during fungal infections.

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Related Experiment Videos

Last Updated: Jun 12, 2026

Rapid Freezing using Sandwich Freezing Device for Good Ultrastructural Preservation of Biological Specimens in Electron Microscopy
09:03

Rapid Freezing using Sandwich Freezing Device for Good Ultrastructural Preservation of Biological Specimens in Electron Microscopy

Published on: July 19, 2021

Measurement of Chitinase Activity in Biological Samples
03:32

Measurement of Chitinase Activity in Biological Samples

Published on: August 22, 2019

Genetic Manipulation of the Plant Pathogen Ustilago maydis to Study Fungal Biology and Plant Microbe Interactions
11:42

Genetic Manipulation of the Plant Pathogen Ustilago maydis to Study Fungal Biology and Plant Microbe Interactions

Published on: September 30, 2016

Area of Science:

  • Biochemistry
  • Immunology
  • Mycology

Background:

  • Chitin is a crucial structural component of fungal cell walls, absent in vertebrates.
  • Fungal chitin synthesis is tightly regulated throughout the cell cycle for wall integrity and stress adaptation.
  • Chitin also modulates host immune responses to fungal and other parasitic infections.

Purpose of the Study:

  • To review recent advancements in understanding the regulation of chitin synthesis.
  • To explore the role of chitin synthesis regulation in fungal pathogenesis.

Main Methods:

  • Literature review of recent research on chitin synthesis and fungal pathogenesis.
  • Analysis of regulatory mechanisms controlling chitin deposition and function.
  • Examination of chitin's role in host-pathogen interactions.

Main Results:

  • Complex regulatory networks control fungal chitin synthesis and localization.
  • Chitin synthesis and its regulation are critical for fungal cell wall integrity and stress response.
  • Chitin actively influences the activation and suppression of immune responses.

Conclusions:

  • Understanding chitin synthesis regulation is vital for combating fungal infections.
  • Targeting chitin synthesis pathways offers potential therapeutic strategies against fungal pathogens.
  • Chitin's dual role in fungal structure and immune modulation highlights its importance in pathogenesis.