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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...
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 Group Zygomycota01:29

Fungal Group Zygomycota

Zygomycota, previously classified as a distinct fungal group, are primarily terrestrial, saprophytic molds that play a crucial role as decomposers. Recent phylogenetic studies have revealed that these fungi are now divided into two major clades — Mucoromycota, which includes many symbiotic species, and Zoopagomycota, which primarily consists of parasitic and pathogenic fungi. These groups exhibit distinct ecological roles and reproductive strategies while sharing key structural and...
Selectins01:25

Selectins

Cell adhesion is  an essential aspect of multicellularity. While stable cell interactions usually occur between cells of the same type, transient cell interactions occur between cells of different tissue types, such as between neutrophils and endothelial cells. Selectins are one class of cell adhesion molecules (CAMs) that bind carbohydrate ligands to form transient cell adhesion. They are rod-like proteins with a long extracellular part of variable length ending with the lectin domain, which...
Glycocalyx and its Functions01:14

Glycocalyx and its Functions

The glycocalyx is a carbohydrate-rich, fuzzy-appearing layer on the outer surface of the cell membrane. It is highly hydrophilic, because of this it attracts large amounts of water to the cell's surface. This aids the cell's interaction with the watery environment and also helps it to obtain substances dissolved in the water. It is also important for cell identification, self/non-self determination, and embryonic development and is used in cell-to-cell attachments to form tissues.
Components of...
Cell Adhesion Molecules - Types and Functions01:20

Cell Adhesion Molecules - Types and Functions

Cell adhesion molecules (CAMs) are pivotal to multicellularity and the coordinated functioning of tissues and organ systems. They enable physical interactions between cells and provide mechanical strength to tissues. They also function as receptors for signal transmission across the plasma membrane. The CAMs are broadly classified into four families - integrins, cadherins, selectins, and immunoglobulin-like CAMs (IgCAMs).
CAM Families
The Integrin family of proteins is primarily  involved in a...

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Fungal lectins: structure, function and potential applications.

Annabelle Varrot1, Soorej M Basheer, Anne Imberty

  • 1CERMAV-CNRS (UPR5301, Affiliated with Université Grenoble Alpes and Belonging to ICMG), BP53, F8041 Grenoble cedex 9, France.

Current Opinion in Structural Biology
|August 8, 2013
PubMed
Summary
This summary is machine-generated.

Fungal lectins, proteins recognizing carbohydrates, offer unique potential for medicine and biotechnology. This review details their structure, function, and applications, addressing a gap in current knowledge.

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Area of Science:

  • Biochemistry
  • Molecular Biology
  • Mycology

Background:

  • Lectins are proteins involved in crucial cellular recognition processes, binding carbohydrates specifically and reversibly.
  • Fungi are increasingly recognized as a valuable source of novel lectins with unique properties.
  • Existing research on fungal lectins, especially their structure, lags behind that of plant and animal lectins.

Purpose of the Study:

  • To review the current knowledge on fungal lectins.
  • To highlight their structure, function, and potential applications.
  • To address the scarcity of structural information on fungal lectins.

Main Methods:

  • Literature review focusing on fungal lectins.
  • Analysis of structural, functional, and application-related data.
  • Comparative assessment with plant and animal lectins.

Main Results:

  • Fungal lectins exhibit diverse specificities and structures.
  • They hold significant promise for biomedical and biotechnological applications.
  • Structural data is limited but growing, revealing unique fungal lectin characteristics.

Conclusions:

  • Fungal lectins represent a promising area for research and development.
  • Further structural and functional studies are needed to fully exploit their potential.
  • These proteins could lead to novel diagnostic and therapeutic tools.