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

CPEB proteins control two key steps in spermatogenesis in C. elegans.

C Luitjens1, M Gallegos, B Kraemer

  • 1Program in Cell and Molecular Biology, University of Wisconsin, Madison, Wisconsin 53706, USA.

Genes & Development
|October 21, 2000
PubMed
Summary

In Caenorhabditis elegans, two Cytoplasmic polyadenylation element binding (CPEB) proteins, FOG-1 and CPB-1, are crucial for spermatogenesis. FOG-1 specifies sperm fate, while CPB-1 executes this decision, with both being dispensable for oogenesis.

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 Double-Edged Sword: A Qualitative Study of the Minority Tax in Academic Emergency Medicine Faculty.

Academic emergency medicine : official journal of the Society for Academic Emergency Medicine·2025
Same author

[Construction and validation of a test for verbal auditory screening of cognitive alterations (CAVAC)].

Revista de neurologia·2024
Same author

[Three tasks for the exploration of verbal fluency: evidence of test-retest reliability in Argentine adults].

Revista de neurologia·2022
Same author

[Cognitive Reserve Questionnaire: psychometric analysis from the item response theory].

Revista de neurologia·2022
Same author

COVID-19 in the South African Medical Journal.

South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde·2022
Same author

Breast adenomyoepithelioma from a radiologic perspective.

Radiologia·2022

Area of Science:

  • Developmental Biology
  • Molecular Biology
  • Genetics

Background:

  • Cytoplasmic polyadenylation element binding (CPEB) proteins regulate mRNA translation and are involved in oogenesis in various species.
  • The roles of CPEB homologs in a single organism's germline development were previously unexplored.

Purpose of the Study:

  • To investigate the biological functions of all identified CPEB homologs in Caenorhabditis elegans.
  • To elucidate the specific roles of CPEB proteins in C. elegans spermatogenesis and oogenesis.

Main Methods:

  • Bioinformatic analysis to identify CPEB homologs in the C. elegans genome.
  • RNA interference (RNAi) to study gene function.
  • Protein interaction analysis.
  • Analysis of gene and transcript expression patterns.

Related Experiment Videos

Main Results:

  • Four CPEB homologs (cpb-1, cpb-2, cpb-3, fog-1) were identified in C. elegans.
  • CPB-1 and FOG-1 are essential for spermatogenesis, with CPB-1 critical for meiotic progression and FOG-1 for sperm fate specification.
  • CPB-1 interacts with FBF, another RNA-binding protein involved in germline development.
  • Differential expression of fog-1(L) and fog-1(S) transcripts suggests distinct roles in sperm and oocyte production.

Conclusions:

  • In C. elegans, two CPEB proteins, CPB-1 and FOG-1, have distinct and essential roles in spermatogenesis.
  • CPB-1 and FOG-1 function in separate but coordinated processes: FOG-1 specifies sperm fate, and CPB-1 executes it.
  • These findings highlight a divergence in CPEB function, with a focus on spermatogenesis in C. elegans, unlike other studied organisms.