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

Morphogenesis and cell wall changes in maize shoots under simulated microgravity conditions.

T Hoson1, S Kamisaka, M Yamashita

  • 1Department of Biology, Osaka City University, Japan.

Uchu Seibutsu Kagaku
|December 1, 1995
PubMed
Summary

Plant organs curve spontaneously under simulated microgravity. Maize shoots exhibit different cell wall changes, like altered beta-glucan breakdown in nodes and polysaccharide accumulation in coleoptiles, driving this curvature.

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

Mesenchymal hamartoma of the liver: report of an adult case and review of the literature.

Internal medicine (Tokyo, Japan)·1992
Same author

Novobiocin, an antagonist of leukotriene B4.

The Journal of antibiotics·1992
Same author

Biphenomycin A production by a mixed culture.

Applied and environmental microbiology·1992
Same author

Effects of FR 113680 and FK 224, novel tachykinin receptor antagonists, on cigarette smoke-induced rat tracheal plasma extravasation.

European journal of pharmacology·1992
Same author

Efficacy of whole bowel irrigation using solutions with or without adsorbent in the removal of paraquat in dogs.

Human & experimental toxicology·1992
Same author

A deficiency in the mechanism for p34cdc2 protein kinase activation in mouse embryos arrested at 2-cell stage.

Developmental biology·1992

Area of Science:

  • Plant biology
  • Cell wall metabolism
  • Gravitational biology

Context:

  • Plants exhibit spontaneous curvature in various organs when subjected to simulated microgravity using a 3D clinostat.
  • Understanding the cellular mechanisms behind this curvature is crucial for plant science.

Purpose:

  • To investigate the cell wall metabolic changes underlying spontaneous curvature in maize shoots under simulated microgravity.
  • To differentiate the mechanisms of curvature in various maize shoot regions.

Summary:

  • In maize coleoptile nodes, no differences in cell wall polysaccharide levels or composition were found between convex and concave sides.
  • However, the convex side exhibited increased (1 --> 3),(l --> 4)-beta-glucan breakdown activity, suggesting its role in curvature.

Related Experiment Videos

  • In the elongating coleoptile region, polysaccharide accumulation was observed on the convex side, with no significant difference in glucanase activity.

    • Impact:

    • This study reveals that different regions of maize shoots may employ distinct mechanisms to achieve spontaneous curvature under simulated microgravity.
    • Findings contribute to understanding plant adaptation to altered gravity environments.