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

Gravity sensing in moss protonemata.

F D Sack1, J M Schwuchow, T Wagner

  • 1Department of Plant Biology, Ohio State University, Columbus, OH 43210, USA.

Advances in Space Research : the Official Journal of the Committee on Space Research (COSPAR)
|October 12, 2001
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

Hybrid active-passive galactic cosmic ray simulator: Experimental implementation and microdosimetric characterization.

Life sciences in space research·2026
Same author

Fluorescence lymphography in kidney transplantation (FLIKT-study)-real time intraoperative lymphography to avoid lymphocele formation.

Surgical endoscopy·2026
Same author

Is therapy-free remission a realistic goal with cladribine tablets in multiple sclerosis? New insights into the mechanism of action and clinical implications of immune reconstitution with cladribine tablets in MS therapy.

Journal of neurology·2025
Same author

Dutch Workflow for Diagnosis and Treatment of Velopharyngeal Insufficiency in Patients with Cleft Palate-A Survey Study.

The Cleft palate-craniofacial journal : official publication of the American Cleft Palate-Craniofacial Association·2025
Same author

Dissolved organic matter quantity and quality response of tropical rainforest headwater rivers to the transition from dry to wet season.

Scientific reports·2024
Same author

Actionable reporting versus unwanted advice in PET-CT reports.

Clinical radiology·2023
Same journal

Planetary Protection and the astrobiological exploration of Mars: Proactive steps in moving forward.

Advances in space research : the official journal of the Committee on Space Research (COSPAR)·2025
Same journal

Crop type discrimination using Geo-Stat Endmember Extraction and machine learning algorithms.

Advances in space research : the official journal of the Committee on Space Research (COSPAR)·2024
Same journal

A Hansel & Gretel breadcrumb-style dynamically deployed communication network paradigm using mesh topology for planetary subsurface exploration.

Advances in space research : the official journal of the Committee on Space Research (COSPAR)·2023
Same journal

Investigating Patterns of Air Pollution in Metropolises Using Remote Sensing and Neural Networks During the COVID-19 Pandemic.

Advances in space research : the official journal of the Committee on Space Research (COSPAR)·2023
Same journal

Editorial.

Advances in space research : the official journal of the Committee on Space Research (COSPAR)·2023
Same journal

Exploring the effect of COVID-19 pandemic lockdowns on urban cooling: A tale of three cities.

Advances in space research : the official journal of the Committee on Space Research (COSPAR)·2022
See all related articles

Moss protonemata sense gravity using intracellular amyloplasts, supporting the starch-statolith hypothesis for gravitropism. This cellular mechanism allows for oriented tip growth in response to gravitational stimuli.

Area of Science:

  • Plant biology
  • Cell biology
  • Gravitropism research

Background:

  • Moss protonemata are ideal for studying gravitropism as they integrate gravity sensing and response within a single cell.
  • The starch-statolith hypothesis proposes that sedimenting amyloplasts within specialized cells mediate gravity perception.

Purpose of the Study:

  • To review evidence supporting the role of amyloplasts in gravity sensing in moss protonemata.
  • To investigate the mechanism of gravitropism in *Ceratodon purpureus*.

Main Methods:

  • Review of existing experimental evidence.
  • Analysis of gravitropism in media denser than the apical cell.

Main Results:

  • Gravitropism occurs even in media denser than the cell, indicating intracellular gravity sensing.
Keywords:
Non-NASA Center

Related Experiment Videos

  • This finding supports the starch-statolith hypothesis, where amyloplasts function as gravity sensors.

    • Conclusions:

    • Intracellular mass, specifically amyloplasts, is crucial for gravity sensing in moss protonemata.
    • Further research is needed to elucidate the mechanisms of amyloplast-mediated sensing and signal transduction in gravitropism.