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Updated: Jun 4, 2026
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Extraction of Venom and Venom Gland Microdissections from Spiders for Proteomic and Transcriptomic Analyses
Published on: November 3, 2014
Collection and fixation of spider embryos
Nikola-Michael Prpic1, Michael Schoppmeier, Wim G M Damen
1Institute for Genetics, Evolutionary Genetics, University of Cologne, 50674 Köln, Germany.
CSH Protocols
|March 2, 2011
Summary
The American wandering spider, Cupiennius salei, is a valuable model for studying embryonic development. This protocol details embryo collection and fixation for molecular and cellular analyses in arthropod evolution research.
Area of Science:
- Developmental Biology
- Evolutionary Biology
- Arthropod Genomics
Background:
- Cupienniu s salei is a key model organism for studying embryogenesis.
- Research focuses on axis formation, segmentation, appendage development, neurogenesis, and silk production.
- Comparative studies with insects illuminate conserved and divergent developmental mechanisms in arthropods.
Purpose of the Study:
- To provide a protocol for collecting and fixing Cupiennius salei embryos.
- To enable further molecular and cellular investigations into arthropod development.
- To contribute to defining a molecular archetype for the phylum Arthropoda.
Main Methods:
- Collection and fixation of Cupiennius salei embryos.
- Storage of fixed embryos at -20°C for long-term use.
- Application of techniques including in situ hybridization, TUNEL assays, and immunohistochemistry.
Main Results:
- Established a reliable method for preparing Cupiennius salei embryos for advanced studies.
- Demonstrated the suitability of fixed embryos for various molecular analyses.
- Provided a foundation for comparative developmental studies across metazoan phyla.
Conclusions:
- The described protocol facilitates detailed embryological research using Cupiennius salei.
- This work supports the investigation of evolutionary novelties and conserved developmental processes.
- Standardized embryo preparation is crucial for advancing our understanding of arthropod evolution and comparative genomics.
