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

Preliminary study on a gravity-insensitive rice mutant.

Jing Jin1, Cheng Zhu, Hong-xin Zhang

  • 1State Key Laboratory of Plant Physiology & Biochemistry, Zhejiang University, Hangzhou 310029, China.

Journal of Zhejiang University. Science
|December 16, 2003
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

A novel algorithm for diagnosis of invasive pulmonary aspergillosis based on pentraxin 3 gene polymorphisms and its adjusted value among autoimmune diseases patients.

Annals of translational medicine·2022
Same author

Discovery of SARS-CoV-2 3CL<sup>Pro</sup> Peptidomimetic Inhibitors through the Catalytic Dyad Histidine-Specific Protein-Ligand Interactions.

International journal of molecular sciences·2022
Same author

The Cellular and Subcellular Organization of the Glucosinolate-Myrosinase System against Herbivores and Pathogens.

International journal of molecular sciences·2022
Same author

Specialized endoplasmic reticulum-derived vesicles in plants: Functional diversity, evolution, and biotechnological exploitation.

Journal of integrative plant biology·2022
Same author

Experimental identification of aminomethanol (NH<sub>2</sub>CH<sub>2</sub>OH)-the key intermediate in the Strecker Synthesis.

Nature communications·2022
Same author

A bibliometric analysis of infectious diseases in patients with liver transplantation in the last decade.

Annals of translational medicine·2022
Same journal

Enhancing the quality metric of protein microarray image.

Journal of Zhejiang University. Science·2004
Same journal

Mathematical modeling of salt-gradient ion-exchange simulated moving bed chromatography for protein separations.

Journal of Zhejiang University. Science·2004
Same journal

Characterization of cellulose acetate micropore membrane immobilized acylase I.

Journal of Zhejiang University. Science·2004
Same journal

Research on the rheological properties of pesticide suspension concentrate.

Journal of Zhejiang University. Science·2004
Same journal

Ant colony system algorithm for the optimization of beer fermentation control.

Journal of Zhejiang University. Science·2004
Same journal

Scale-up of rifamycin B fermentation with Amycolatoposis mediterranei.

Journal of Zhejiang University. Science·2004
See all related articles

Researchers identified a rice mutant with prostrate shoot growth insensitive to gravity, while roots maintained normal gravitropism. Amyloplasts in root caps and leaf sheaths showed no significant differences from wild-type rice.

Area of Science:

  • Plant biology
  • Genetics
  • Gravitational biology

Background:

  • Plant gravitropism is crucial for growth and development.
  • Gravity sensing in plants is mediated by amyloplasts in specialized cells.
  • Understanding the genetic basis of gravitropism is key to crop improvement.

Purpose of the Study:

  • To isolate and characterize a novel rice mutant exhibiting altered gravitropic responses.
  • To investigate the role of specific genes in mediating shoot gravitropism in rice (Oryza sativa L.).

Main Methods:

  • Agrobacterium tumefaciens-mediated transformation of rice (Oryza sativa L. cv. Zhonghua 11).
  • Phenotypic analysis of shoot and root growth under varying gravitational conditions.
  • Histological examination of root cap and leaf sheath cells for amyloplasts.

Related Experiment Videos

Main Results:

  • A gravity-insensitive shoot growth (prostrate growth) mutant was successfully isolated.
  • Root growth in the mutant exhibited normal positive gravitropism.
  • No significant differences in amyloplast number or size were observed between mutant and wild-type cells in root caps and leaf sheaths.

Conclusions:

  • The isolated rice mutant provides a valuable tool for studying the genetic mechanisms underlying shoot gravitropism.
  • The findings suggest that gravity perception or signal transduction pathways for shoot gravitropism may differ from those in roots.
  • Further research is needed to identify the specific genes responsible for the observed gravity insensitivity in rice shoots.