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

Microtubule cortical array organization and plant cell morphogenesis.

Alex Paradez1, Amanda Wright, David W Ehrhardt

  • 1Department of Plant Biology, Carnegie Institution, 260 Panama Street, Stanford, California 94305, USA.

Current Opinion in Plant Biology
|October 3, 2006
PubMed
Summary
This summary is machine-generated.

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

KATANIN promotes cell elongation and division to generate proper cell numbers in maize organs.

Nature communications·2026
Same author

Motor Neuron Disease Mortality Trends in Australia From 1986 to 2023: A Population-Based Study.

The Medical journal of Australia·2026
Same author

Structure-Property Relationships of Near-Infrared Cyanine Dyes: Chalcogen-Driven Singlet Oxygen Generation with High Fluorescence Efficiency.

ACS omega·2026
Same author

Osteopathic manipulative treatment for management of feeding dysfunction in breastfed newborns.

Journal of osteopathic medicine·2025
Same author

Manipulating condensation of thermo-sensitive SUF4 protein tunes flowering time in Arabidopsis thaliana.

Cell reports·2025
Same author

Mechanistic Understanding of Lithium-Ion Adsorption, Intercalation, and Plating during Charging of Graphite Electrodes.

ACS electrochemistry·2025

Plant cells organize microtubules without a central structure. New research reveals how these acentrosomal arrays form and guide cell shape by regulating cellulose deposition.

Area of Science:

  • Plant Biology
  • Cell Biology
  • Molecular Biology

Background:

  • Plant cells lack a centrosome, yet form highly ordered cortical microtubule arrays.
  • Understanding acentrosomal microtubule organization is crucial for plant cell morphogenesis.

Purpose of the Study:

  • To elucidate the mechanisms behind the formation and organization of plant acentrosomal microtubule arrays.
  • To investigate the role of microtubule organization in regulating cellulose deposition and cell form.

Main Methods:

  • Utilized new live-cell imaging assays to observe molecular behaviors.
  • Employed gene discovery to identify key proteins and loci involved in microtubule organization.
  • Functionally tagged cellulose synthase to visualize its interaction with microtubules.

Related Experiment Videos

Main Results:

  • Identified novel microtubule behaviors like nucleation from existing microtubules and treadmilling-driven motility.
  • Discovered genes (e.g., SPIRAL1, SPR2, rsw-6) influencing microtubule organization and cell growth.
  • Provided direct evidence that cortical microtubules guide cellulose synthase complexes for cell wall synthesis.

Conclusions:

  • Cortical microtubule dynamics, including nucleation and motility, contribute to array order.
  • Specific genes and proteins are critical for plant microtubule organization and cell patterning.
  • Microtubules actively organize cellulose synthesis, directly impacting cell wall formation and plant morphology.