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Updated: May 24, 2026
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Thawing, Culturing, and Cryopreserving Drosophila Cell Lines
Published on: April 16, 2019
Generation of stable Drosophila cell lines using multicistronic vectors.
Monika González1, Itziar Martín-Ruíz, Silvia Jiménez
1Gene Silencing Platform, CIC bioGUNE, Bizkaia Technology Park, 48160 Derio, Spain.
Scientific Reports
|February 23, 2012
Summary
New pAc5-STABLEs vectors enable stable insect cell line development for recombinant protein production. These vectors facilitate multicistronic expression using viral 2A-like peptides for improved cell-based screening applications.
Area of Science:
- Molecular Biology
- Biotechnology
- Insect Cell Culture
Background:
- Insect cell culture is crucial for recombinant protein production and cell-based screening.
- Developing stable insect cell lines is challenging compared to mammalian systems.
Purpose of the Study:
- To develop novel vectors for stable transformation in Drosophila cell culture.
- To enable efficient multicistronic protein expression in insect cells.
Main Methods:
- Introduction of pAc5-STABLEs vectors into Drosophila cells.
- Utilizing viral-derived 2A-like (CHYSEL) peptides for multicistronic expression.
- Employing Actin5C constitutive promoter for gene expression.
- Using mCherry and/or GFP fusions for positive selection via G418 resistance.
Main Results:
- Demonstrated functionality of 2A-like peptides in Drosophila cells.
- Achieved multicistronic expression of two or three proteins of interest.
- Established a system for stable insect cell line generation with selectable markers.
Conclusions:
- pAc5-STABLEs vectors provide a flexible platform for stable insect cell line development.
- The system facilitates recombinant protein production and cell-based screening.
- This advancement expands options for stable insect cell line engineering.
