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

Phylloquinone, what can we learn from plants?

K Lochner1, O Döring, M Böttger

  • 1Biozentrum Klein Flottbek, University of Hamburg, Ohnhorstrasse 18, D-22609 Hamburg, Germany.

Biofactors (Oxford, England)
|December 30, 2003
PubMed
Summary

Plant plasma membranes utilize redox proteins for trans-membrane electron flow, potentially generating active oxygen species. Vitamin K1 is identified as a possible lipid-soluble electron carrier, analogous to coenzyme Q in animals.

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

Effects of using the simplified airway risk index vs usual airway assessment on unanticipated difficult tracheal intubation - a cluster randomized trial with 64,273 participants.

British journal of anaesthesia·2016
Same author

Tracheal intubation in patients with anticipated difficult airway using Boedeker intubation forceps and McGrath videolaryngoscope.

Acta anaesthesiologica Scandinavica·2015
Same author

[Hormonal regulation of petiolar abscission in Coleus rehneltianus explants : I. Interaction of IAA, GA3, and ABA in explants].

Planta·2014
Same author

[Hormonal regulation of petiolar abscission in Coleus rehneltianus explants : II. The possible role of abscisic acid in the abscission process].

Planta·2014
Same author

[Enhancement of the germination inhibiting effect of abscisic acid on Lactuca fruits by sucrose and glucose].

Planta·2014
Same author

Apical dominance in roots of Pisum sativum L.

Planta·2014

Area of Science:

  • Plant biochemistry
  • Cellular redox processes
  • Plant-pathogen interactions

Background:

  • Plant plasma membranes possess redox proteins facilitating trans-membrane electron transport.
  • This electron flow is implicated in the generation of reactive oxygen species (ROS) during pathogen attack and stress responses.
  • The precise mechanisms and carriers involved in plant plasma membrane redox signaling remain incompletely understood.

Purpose of the Study:

  • To propose a conceptual model for the interaction between the plant plasma membrane electron transport system and quinones.
  • To elucidate the potential role of Vitamin K1 as a lipid-soluble electron carrier in plant plasma membranes.
  • To explore the contribution of this system to the metabolism of free radicals in plants.

Main Methods:

Related Experiment Videos

  • Analysis of plant plasma membrane preparations.
  • Identification of potential lipid-soluble electron carriers.
  • Conceptual modeling of electron transport pathways and quinone interactions.

Main Results:

  • Vitamin K1 was identified as a potential lipid-soluble electron carrier in plant plasma membrane preparations.
  • A functional analogy was drawn between Vitamin K1 in plants and coenzyme Q in animal plasma membranes.
  • A framework was proposed for understanding quinone involvement in plant plasma membrane redox signaling.

Conclusions:

  • The plant plasma membrane electron transport system, potentially involving Vitamin K1, plays a role in free radical metabolism.
  • Understanding these redox mechanisms is crucial for comprehending plant responses to stress and pathogen attack.
  • Further research is warranted to validate the proposed model and delineate the specific functions of quinones in plant plasma membrane redox activities.