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

Phytochrome regulated gene expression

E M Tobin1, D M Kehoe

  • 1Biology Department, University of California, Los Angeles 90024.

Seminars in Cell Biology
|October 1, 1994
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

An amino-proximal hydrophobic domain in the major light-harvesting chlorophyll a/b-protein is essential for membrane integration and protein stability.

Photosynthesis research·2014
Same author

Photochrome-mediated regulation of messenger RNAs for the small subunit of ribulose 1, 5-bisphosphate carboxylase and the light-harvesting chlorophyll a/b-protein in Lemna gibba.

Plant molecular biology·2013
Same author

Isolation and initial characterization of virescent mutants of Arabidopsis thaliana.

Photosynthesis research·2013
Same author

Synthesis and turnover of the light-harvesting chlorophylla/b-protein inLemna gibba grown with intermittent red light: possible translational control.

Planta·2013
Same author

Cytokinin modulation of LHCP mRNA levels: the involvement of post-transcriptional regulation.

Plant molecular biology·2013
Same author

Characterization of a negatively light-regulated mRNA from Lemna gibba.

Plant molecular biology·2013
Same journal

Granulocyte clearance by apoptosis in the resolution of inflammation.

Seminars in cell biology·1995
Same journal

Signalling heterogeneity as a contributing factor in macrophage functional diversity.

Seminars in cell biology·1995
Same journal

Neutrophil proteinases and matrix degradation. The cell biology of pericellular proteolysis.

Seminars in cell biology·1995
Same journal

NADPH oxidase and the respiratory burst.

Seminars in cell biology·1995
Same journal

Intracellular signaling in neutrophil priming and activation.

Seminars in cell biology·1995
Same journal

Granulocyte adhesion molecules--structure/function relationships.

Seminars in cell biology·1995
See all related articles

Plants use light signals for growth, with phytochrome photoreceptors sensing light quality. Research identified DNA elements and signaling pathways involved in phytochrome-regulated gene expression.

Area of Science:

  • Plant biology
  • Molecular genetics
  • Photobiology

Background:

  • Light is a crucial environmental signal regulating plant physiology and development.
  • Phytochrome, a key photoreceptor family, mediates plant responses to light quality and presence.
  • Understanding phytochrome's role in gene expression is vital for plant science.

Purpose of the Study:

  • To investigate the molecular mechanisms underlying phytochrome-mediated gene expression changes in plants.
  • To identify specific DNA elements responsible for phytochrome responsiveness.
  • To explore potential signal transduction pathways involved in phytochrome signaling.

Main Methods:

  • Analysis of phytochrome-regulated promoters.
  • Identification of specific DNA elements conferring light responsiveness.

Related Experiment Videos

  • Investigation of signal transduction components like G proteins, cyclic GMP, and Ca2+/calmodulin.
  • Study of transcription factors involved in the final steps of gene regulation.

    • Main Results:

    • Specific DNA elements mediating phytochrome responsiveness have been identified within complex promoters.
    • Potential signal transduction pathway components, including G proteins and Ca2+/calmodulin, are implicated.
    • Transcription factors involved in phytochrome-regulated gene expression have been studied, providing insights into regulatory mechanisms.

    Conclusions:

    • Phytochrome perception of light triggers complex signaling cascades that culminate in altered gene expression.
    • Specific DNA sequences and transcription factors are critical for mediating plant responses to light signals.
    • Further research into these pathways will enhance our understanding of plant photomorphogenesis and adaptation.