Jove
Visualize
Contact Us

Related Concept Videos

Septins01:19

Septins

Septins are protein filaments forming the cytoskeleton along with the microtubules, microfilaments, intermediate filaments, and other accessory proteins. In 1971 while studying the cell division cycle in mutant Saccharomyces cerevisiae Harwell et al. first identified the septin-related genes playing a crucial role in yeast cytokinesis. Fluorescence microscopy revealed that these proteins localize at the budding neck as rings. These ring-like proteins were then named Septins by John Pringle, and...
Cystic Fibrosis: Pathogenesis01:23

Cystic Fibrosis: Pathogenesis

Cystic fibrosis (CF), an autosomal recessive disorder, significantly affects the function of exocrine glands. This genetically inherited disease is characterized by the production of thick and sticky mucus, which can severely affect various organs and systems in the body.
CF is primarily caused by a genetic mutation in a chromosome 7 gene coding for the cystic fibrosis transmembrane conductance regulator (CFTR) protein. The most common gene mutation leading to CF is the ΔF508 mutation, but...
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...
Cryptococcal Meningitis01:27

Cryptococcal Meningitis

Cryptococcal meningitis is a life-threatening opportunistic infection predominantly associated with HIV/AIDS, accounting for over 100,000 deaths annually worldwide. However, it also affects individuals with other forms of immunosuppression, including those undergoing immunosuppressive therapy, organ transplant recipients, patients with innate immunodeficiencies, and individuals with hematological disorders. The infection is caused mainly by Cryptococcus neoformans and Cryptococcus gattii,...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Detection of glycophospholipid anchors on proteins.

Current protocols in protein science·2008
Same author

Detection of glycophospholipid anchors on proteins.

Current protocols in molecular biology·2008
Same author

Cytoskeleton-dependent membrane domain segregation during neutrophil polarization.

Molecular biology of the cell·2001
Same author

Functional cloning and characterization of a UDP- glucuronic acid decarboxylase: the pathogenic fungus Cryptococcus neoformans elucidates UDP-xylose synthesis.

Proceedings of the National Academy of Sciences of the United States of America·2001
Same author

Flotillas of lipid rafts fore and aft.

Proceedings of the National Academy of Sciences of the United States of America·2001
Same author

Oriented endocytic recycling of alpha5beta1 in motile neutrophils.

Blood·2001
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Video

Updated: Jul 24, 2026

Automated Measurement of Cryptococcal Species Polysaccharide Capsule and Cell Body
08:08

Automated Measurement of Cryptococcal Species Polysaccharide Capsule and Cell Body

Published on: January 11, 2018

Spatial and temporal sequence of capsule construction in Cryptococcus neoformans.

L M Pierini1, T L Doering

  • 1Department of Biochemistry, Weill Medical College of Cornell University, New York, NY 10021, USA.

Molecular Microbiology
|July 17, 2001
PubMed
Summary

Researchers reveal how the pathogenic yeast Cryptococcus neoformans assembles its crucial polysaccharide capsule. New capsule material is added internally, pushing older material outward, creating a denser structure.

More Related Videos

Size Matters: Measurement of Capsule Diameter in Cryptococcus neoformans
08:24

Size Matters: Measurement of Capsule Diameter in Cryptococcus neoformans

Published on: February 27, 2018

Complementary Use of Microscopic Techniques and Fluorescence Reading in Studying Cryptococcus-Amoeba Interactions
10:56

Complementary Use of Microscopic Techniques and Fluorescence Reading in Studying Cryptococcus-Amoeba Interactions

Published on: June 22, 2019

Related Experiment Videos

Last Updated: Jul 24, 2026

Automated Measurement of Cryptococcal Species Polysaccharide Capsule and Cell Body
08:08

Automated Measurement of Cryptococcal Species Polysaccharide Capsule and Cell Body

Published on: January 11, 2018

Size Matters: Measurement of Capsule Diameter in Cryptococcus neoformans
08:24

Size Matters: Measurement of Capsule Diameter in Cryptococcus neoformans

Published on: February 27, 2018

Complementary Use of Microscopic Techniques and Fluorescence Reading in Studying Cryptococcus-Amoeba Interactions
10:56

Complementary Use of Microscopic Techniques and Fluorescence Reading in Studying Cryptococcus-Amoeba Interactions

Published on: June 22, 2019

Area of Science:

  • Mycology
  • Cell Biology
  • Pathogenesis

Background:

  • Cryptococcus neoformans possesses a large polysaccharide capsule essential for virulence.
  • The capsule hinders host immune responses.
  • Mechanisms of capsule assembly remain largely unknown.

Purpose of the Study:

  • To investigate the dynamic process of Cryptococcus neoformans capsule synthesis.
  • To elucidate how capsule material is added during budding and induction in mature cells.

Main Methods:

  • Utilized pulse-chase protocols for dynamic analysis.
  • Employed various microscopy techniques to visualize capsule formation.
  • Examined capsule synthesis during cell budding and induced synthesis in mature cells.

Main Results:

  • Newly synthesized capsule material on buds differs physically from parental capsule.
  • Capsule synthesis in mature cells adds material internally, displacing older material outwards.
  • Polysaccharide deposition occurs throughout the capsule, increasing its density.

Conclusions:

  • The study provides the first model for Cryptococcus neoformans capsule synthesis.
  • Findings open new avenues for understanding the molecular mechanisms of capsule assembly.
  • Understanding capsule synthesis may reveal new therapeutic targets against cryptococcal infections.