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

INAF, a protein required for transient receptor potential Ca(2+) channel function.

C Li1, C Geng, H T Leung

  • 1Department of Biological Sciences, 1392 Lilly Hall, Purdue University, West Lafayette, IN 47907-1392, USA.

Proceedings of the National Academy of Sciences of the United States of America
|November 11, 1999
PubMed
Summary

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

Test of CP Symmetry in the Neutral Decays of Λ via J/ψ→ΛΛ[over ¯].

Physical review letters·2026
Same author

Precise Measurement of the Chromoelectric Dipole Moment of the Charm Quark.

Physical review letters·2026
Same author

Precise Measurement of Matter-Antimatter Asymmetry with Entangled Hyperon-Antihyperon Pairs.

Physical review letters·2026
Same author

Observation of Λ[over ¯]p→K^{+}π^{+}π^{-}π^{0} and Λ[over ¯]p→K^{+}π^{+}π^{-}2π^{0}.

Physical review letters·2026
Same author

First Measurement of the D_{s}^{+}→K^{0}μ^{+}ν_{μ} Decay.

Physical review letters·2026
Same author

Observation of the Electromagnetic Radiative Decays of the Λ(1520) and Λ(1690) to γΣ^{0}.

Physical review letters·2026

The Drosophila inaF gene is crucial for TRP channel function in phototransduction. Mutations in inaF reduce TRP protein levels and impair channel activity, suggesting INAF protein regulates TRP channel function.

Area of Science:

  • Molecular Biology
  • Neuroscience
  • Genetics

Background:

  • Transient Receptor Potential (TRP) channels are Ca(2+)-selective, light-activated channels vital for phototransduction in Drosophila.
  • TRP homologs are conserved across animal phylogeny, playing roles in Ca(2+) homeostasis, including store-operated Ca(2+) entry in vertebrates.
  • The precise mechanisms governing TRP channel activation and regulation remain largely unknown.

Purpose of the Study:

  • To investigate the function of the Drosophila inaF gene and its encoded protein, INAF, in relation to TRP channel activity.
  • To elucidate the role of INAF in the regulation and function of TRP channels during phototransduction.

Main Methods:

  • Generated a null mutation in the Drosophila inaF gene.
  • Assessed the impact of the inaF mutation on TRP protein levels and TRP channel function.

Related Experiment Videos

  • Examined the effect of the inaF mutation on a constitutively active trp gene mutation-induced degeneration.

    • Main Results:

    • A null mutation in inaF significantly reduced TRP protein levels.
    • The inaF mutation markedly impaired TRP channel function, nearly abolishing its activity.
    • The inaF mutation suppressed degeneration caused by a constitutively active trp mutation.
    • Evidence suggests INAF protein directly influences TRP channel function beyond just protein levels.

    Conclusions:

    • The INAF protein, encoded by the inaF gene, is essential for proper TRP channel function in Drosophila phototransduction.
    • INAF appears to play a direct regulatory role in TRP channel activity.
    • Understanding INAF's function provides insights into TRP channel regulation and Ca(2+) signaling pathways.