Jove
Visualize
Contact Us
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 Videos

Predacious yeasts

M A Lachance1, W M Pang

  • 1Department of Plant Sciences, University of Western Ontario, London, Canada.

Yeast (Chichester, England)
|March 15, 1997
PubMed
Summary
This summary is machine-generated.

Seven yeast species exhibit haustorium-mediated predation, requiring organic sulfur for this predatory behavior. This finding suggests predacious yeasts may be more common than previously thought.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

What are the 100 most cited fungal genera?

Studies in mycology·2024
Same author

Towards yeast taxogenomics: lessons from novel species descriptions based on complete genome sequences.

FEMS yeast research·2020
Same author

Effects of an Oral-Pharyngeal Motor Training Programme on Children with Obstructive Sleep Apnea Syndrome in Hong Kong: A Retrospective Pilot Study.

Hong Kong journal of occupational therapy : HKJOT·2018
Same author

Yeasts from exudates ofQuercus, Ulmus, Populus, andPseudotsuga: New isolations and elucidation of some factors affecting ecological specificity.

Microbial ecology·2013
Same author

A comparison of yeast communities found in necrotic tissue of cladodes and fruits ofOpuntia stricta on Islands in the Caribbean Sea and where introduced into Australia.

Microbial ecology·2013
Same author

Lachancea nothofagi sp. nov., a yeast associated with Nothofagus species in Patagonia, Argentina.

International journal of systematic and evolutionary microbiology·2009
Same journal

Comparative Analysis of Stress Adaptation in the Yeast Microbiome of Cactus.

Yeast (Chichester, England)·2026
Same journal

Enhanced Production of Recombinant Thermophilic Xylanase X11P in Ogataea polymorpha via In-Silico Signal Peptide Discovery and Fed-Batch Fermentation.

Yeast (Chichester, England)·2026
Same journal

Sugar Metabolisms Altered By Undissociated Forms of Organic Acids Based on the Emergence of [GAR<sup>+</sup>] Cells in Saccharomyces cerevisiae.

Yeast (Chichester, England)·2026
Same journal

Methods to Study Mitochondrial Metabolism and Homeostasis in Fission Yeast.

Yeast (Chichester, England)·2026
Same journal

Genetic Tools in the Nakaseomyces clade for Evolutionary Comparisons of Signal Transduction Pathways.

Yeast (Chichester, England)·2026
Same journal

rDNAmine: A New Tool for the Analysis of Long Repetitive Sequences.

Yeast (Chichester, England)·2026
See all related articles

Area of Science:

  • Mycology
  • Yeast Biology
  • Predatory Microorganisms

Background:

  • Haustorium-mediated predation is a rare but significant interaction in microbial ecosystems.
  • Several yeast species have been identified as predators, but the underlying mechanisms and requirements are not fully understood.

Purpose of the Study:

  • To identify and characterize yeast species capable of haustorium-mediated predation.
  • To investigate the nutritional requirements and environmental factors influencing this predatory behavior.

Main Methods:

  • Isolation and identification of seven predatory yeast species, including novel ones.
  • Detailed study of one isolate's prey range and predation efficiency under varying conditions.
  • Analysis of the role of organic sulfur, specifically methionine, in predation.

Related Experiment Videos

Main Results:

  • Seven yeast species, including Arthroascus javanensis and Saccharomycopsis fibuligera, were confirmed to prey on other yeasts via haustoria.
  • Predation effectiveness is enhanced on solid surfaces with nutrient-poor media.
  • Organic sulfur (methionine) is crucial, acting as a nutrient and a potential signaling molecule, with concentration-dependent effects on predation.

Conclusions:

  • The study expands the known diversity of predatory yeasts and highlights their unique requirement for organic sulfur.
  • Environmental conditions significantly influence the efficacy of yeast predation.
  • Predacious yeasts may be more prevalent in natural habitats than previously recognized, particularly in specialized niches.