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

Ethanolic fermentation: new functions for an old pathway.

Tadege1, Dupuis, Kuhlemeier

  • 1Institute of Plant Physiology, University of Berne, Altenbergrain 21, CH-3013 Berne, Switzerland.

Trends in Plant Science
|August 4, 1999
PubMed
Summary

Ethanolic fermentation, an ancient metabolic pathway, occurs even with oxygen present in plants, particularly in pollen. This process produces toxic acetaldehyde, potentially causing male sterility in maize.

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

The ET(A)-Receptor Antagonist LU 135252 Prevents the Progression of Established Pulmonary Hypertension Induced by Monocrotaline in Rats.

Journal of cardiovascular pharmacology and therapeutics·2000
Same author

Renormalization-group approach to Fermi-liquid theory.

Physical review. B, Condensed matter·1996
Same author

Larkin-Ovchinnikov-Fulde-Ferrell state in quasi-one-dimensional superconductors.

Physical review. B, Condensed matter·1995
Same author

Thermodynamics and excitation spectrum of a quasi-one-dimensional superconductor in a high magnetic field.

Physical review. B, Condensed matter·1994
Same author

Production of diamondlike carbon films through random compact cluster stacking.

Physical review. B, Condensed matter·1994
Same author

Superconductivity of quasi-one-dimensional conductors in a high magnetic field.

Physical review. B, Condensed matter·1994

Area of Science:

  • Plant physiology
  • Metabolic pathways
  • Biochemistry

Background:

  • Ethanolic fermentation is a vital ATP production route in plants under anaerobic conditions.
  • Recent research indicates this pathway also plays roles in oxygen-present environments.
  • Key enzymes, pyruvate decarboxylase and alcohol dehydrogenase, are abundant in pollen.

Purpose of the Study:

  • Investigate the role of ethanolic fermentation in oxygenated plant cells, specifically pollen.
  • Explore the potential involvement of acetaldehyde, a byproduct of this fermentation, in male sterility in cmsT maize.
  • Examine the environmental stress-induced activation of aerobic fermentation and defense responses.

Main Methods:

  • Analysis of enzyme abundance (pyruvate decarboxylase and alcohol dehydrogenase) in pollen.

Related Experiment Videos

  • Assessment of fermentation byproducts, including acetaldehyde.
  • Investigating the link between acetaldehyde toxicity and male sterility in maize.

    • Main Results:

    • High levels of pyruvate decarboxylase and alcohol dehydrogenase in pollen lead to fermentation even in fully oxygenated cells.
    • Acetaldehyde, a toxic byproduct, is produced during aerobic fermentation in pollen.
    • Aerobic fermentation can be induced by environmental stress, activating defense responses.

    Conclusions:

    • Ethanolic fermentation occurs in oxygenated pollen cells due to high enzyme abundance.
    • Acetaldehyde toxicity from aerobic fermentation is a potential factor in cmsT maize male sterility.
    • The ethanolic fermentation pathway exhibits versatility, responding to environmental stress and defense mechanisms.