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

Abscisic acid-lipid interactions: a phospholipid monolayer study

H Bürner1, R Benz, H Gimmler

  • 1Lehrstuhl für Biotechnologie, Biozentrum der Universität Würzburg, Germany.

Biochimica Et Biophysica Acta
|August 15, 1993
PubMed
Summary

The plant hormone abscisic acid (ABA) alters lipid monolayers, increasing molecular area and affecting lipid phase transitions. These findings suggest ABA

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

[A circuitous route to the diagnosis of a very rare disease].

Innere Medizin (Heidelberg, Germany)·2025
Same author

Increased Serum Levels of soluble ST2 as a Predictor of Disease Progression in Systemic Sclerosis.

Scandinavian journal of rheumatology·2021
Same author

Identification of drought-sensitive beech ecotypes by physiological parameters.

The New phytologist·2021
Same author

Cytokinins in the xylem sap of desert-grown almond (Prunus dulcis†) trees: Daily courses and their possible interactions with abscisic acid and leaf conductance.

The New phytologist·2021
Same author

Diurnal changes in xylem pressure of the hydrated resurrection plant Myrothamnus flabellifolia: evidence for lipid bodies in conducting xylem vessels.

The New phytologist·2021
Same author

The effect of abscisic acid on chlorophyll fluorescence in lichens under extreme water regimes.

The New phytologist·2021

Area of Science:

  • Plant Biology
  • Biochemistry
  • Membrane Biophysics

Background:

  • Plant hormone abscisic acid (ABA) plays a crucial role in plant growth and stress responses.
  • Lipid monolayers are model systems for studying biological membranes.

Purpose of the Study:

  • To investigate the effects of abscisic acid (ABA) on lipid monolayer properties.
  • To understand the interaction of ABA with different types of lipids.

Main Methods:

  • Lipid monolayer studies were conducted using a Langmuir trough.
  • Experiments were performed in the absence and presence of ABA under varying pH conditions.
  • The influence of beta-sitosterol on ABA incorporation was examined.

Main Results:

Related Experiment Videos

  • ABA, as a free acid, increased molecular area and decreased collapse pressure in lipid monolayers.
  • ABA's effect on area expansion diminished with increasing surface pressure.
  • Beta-sitosterol inhibited ABA incorporation into phospholipid monolayers.
  • ABA showed a greater impact on unsaturated phospholipids compared to saturated ones.
  • ABA decreased the phase-transition temperature of saturated phospholipids.

Conclusions:

  • The physical state of lipids influences ABA's ability to penetrate lipid monolayers.
  • ABA's interaction with lipid monolayers provides insights into its action on plant guard cell membranes.