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Updated: May 30, 2026

Determining Genetic Expression Profiles in C. elegans Using Microarray and Real-time PCR
10:27

Determining Genetic Expression Profiles in C. elegans Using Microarray and Real-time PCR

Published on: July 30, 2011

Determining genetic expression profiles in C. elegans using microarray and real-time PCR.

Kassandra L Guthmueller1, Maggie L Yoder, Andrea M Holgado

  • 1Department of Biological Sciences, Southwestern Oklahoma State University, USA.

Journal of Visualized Experiments : Jove
|August 16, 2011
PubMed
Summary
This summary is machine-generated.

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The VSM-1 protein in C. elegans negatively regulates exocytosis, and its absence leads to increased synaptic density. This suggests VSM-1 plays a key role in synaptogenesis, potentially mediated by Major Sperm Proteins (MSPs).

Area of Science:

  • Neuroscience
  • Molecular Biology
  • Genetics

Background:

  • Synapses transmit signals via neurotransmitters between cells.
  • VSM-1 negatively regulates exocytosis in C. elegans.
  • vsm-1 mutants exhibit increased synaptic connectivity.

Purpose of the Study:

  • To investigate the role of C. elegans VSM-1 in synaptogenesis.
  • To identify genes regulated by VSM-1 during synapse formation.

Main Methods:

  • Double-labeled microarray analysis of gene expression profiles.
  • RNA isolation, cDNA reverse transcription, and DNA microarray hybridization.
  • In-silico analysis of fluorescent probe hybridization and real-time PCR.

Main Results:

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Related Experiment Videos

Last Updated: May 30, 2026

Determining Genetic Expression Profiles in C. elegans Using Microarray and Real-time PCR
10:27

Determining Genetic Expression Profiles in C. elegans Using Microarray and Real-time PCR

Published on: July 30, 2011

A Rapid Protocol for Integrating Extrachromosomal Arrays With High Transmission Rate into the C. elegans Genome
06:33

A Rapid Protocol for Integrating Extrachromosomal Arrays With High Transmission Rate into the C. elegans Genome

Published on: December 9, 2013

High-Throughput Quantitative RT-PCR in Single and Bulk C. elegans Samples Using Nanofluidic Technology
08:19

High-Throughput Quantitative RT-PCR in Single and Bulk C. elegans Samples Using Nanofluidic Technology

Published on: May 28, 2020

  • Microarray analysis revealed significant induction of Major Sperm Protein (MSP) family genes in mutants with enhanced synaptogenesis.
  • MSP-like molecules are known to regulate synapse development in other species.
  • Real-time PCR confirmed MSP-32 gene induction in vsm-1 mutants.

Conclusions:

  • C. elegans VSM-1 is crucial for regulating synaptogenesis.
  • Increased synaptic density in vsm-1 mutants may be mediated by MSP-32 signaling.
  • VSM-1's role in exocytosis impacts synapse formation and connectivity.