Jove
Visualize
Contact Us

Related Experiment Videos

Functional complementation of RNA interference mutants in trypanosomes.

Filippo Rusconi1, Mickaël Durand-Dubief, Philippe Bastin

  • 1UMR5153 CNRS, USM0503 MNHN, U565 INSERM-57, rue Cuvier, P.B 26 - F-75231, Paris Cedex 05, France. rusconi@mnhn.fr

BMC Biotechnology
|February 11, 2005
PubMed
Summary

This study validates RNA interference (RNAi) specificity using functional complementation in Trypanosoma brucei. Researchers confirmed that observed effects were due to targeted gene silencing, ensuring reliable reverse genetics research.

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

Fermentation in breadmaking: enhancing digestibility and nutritional value for gastrointestinal health.

Frontiers in nutrition·2026
Same author

Performance and viability of yeast (Saccharomyces cerevisiae) during baking: An integrative electrical resistance oven (ERO) approach.

Food chemistry·2026
Same author

Vitamin D Nutritional Status in the Middle East and North Africa Region: A Systematic Review and Meta-analysis.

Current developments in nutrition·2025
Same author

Intraflagellar transport selectivity occurs within the proximal portion of the trypanosome flagellum.

The Journal of cell biology·2025
Same author

Mechanism of lateral cell-wall expansion at a constant diameter in Bacillus subtilis.

Nature communications·2025
Same author

An inner membrane protein is covalently attached to peptidoglycan in the γ-proteobacterium Dickeya dadantii.

Communications biology·2025
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

Area of Science:

  • Molecular Biology
  • Genetics
  • Cell Biology

Background:

  • Double-stranded RNA (dsRNA) induces RNA interference (RNAi) for sequence-specific RNA degradation in eukaryotes.
  • RNAi is a key tool for reverse genetics, but its specificity has been questioned.
  • Ensuring RNAi specificity is crucial for accurate interpretation of experimental results.

Purpose of the Study:

  • To develop and apply a functional complementation assay to confirm RNAi specificity in Trypanosoma brucei.
  • To validate the specific silencing of the TbPFR2 gene using RNAi and functional complementation.

Main Methods:

  • Designed a functional complementation assay in Trypanosoma brucei.
  • Utilized dsRNA targeting UTRs and coding sequences of the TbPFR2 gene.
  • Employed expression of tagged RNAi-resistant TbPFR2 and heterologous TbPFR2 orthologue for complementation.

Related Experiment Videos

Main Results:

  • Demonstrated complementation of TbPFR2 silencing via UTR targeting by expressing an RNAi-resistant tagged protein, localized to the flagellum.
  • Achieved functional complementation of TbPFR2 silencing (coding sequence targeting) by expressing the Trypanosoma cruzi orthologue, restoring flagellar motility.

Conclusions:

  • Functional complementation assays reliably ascertain phenotypic effects are due to specific gene silencing via RNAi.
  • This strategy is valuable for organisms not amenable to standard RNAi.
  • The approach provides a robust foundation for gene functional dissection studies in diverse organisms.