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Norway

PMID:34549175  

Improved GAL4 and Tet OFF drivers for C. elegans bipartite expression.

Michael Nonet
microPublication biology | 2021

The first generation of C. elegans GAL4 drivers for bipartite expression function less well than C. elegans tet ON/OFF, QF and LexA drivers. The main difference between the GAL4 drivers and the others is the absence of a flexible linker between the DNA binding and activation domain in the GAL4 construct. Addition of a linker to a GAL4-QF construct increased driver potency, while adding linkers to a GAL4-VP64 driver was much less effective. Extending the linker region of the tetR-L-QF driver also increased activity of that driver. The new GAL4 driver makes GAL4/UAS bipartite system activity comparable to the other worm bipartite expression systems.

Pubmed ID: 34549175

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Addgene (tool)

RRID:SCR_002037

Non-profit plasmid repository dedicated to helping scientists around the world share high-quality plasmids. Facilitates archiving and distributing DNA-based research reagents and associated data to scientists worldwide. Repository contains over 65,000 plasmids, including special collections on CRISPR, fluorescent proteins, and ready-to-use viral preparations. There is no cost for scientists to deposit plasmids, which saves time and money associated with shipping plasmids themselves. All plasmids are fully sequenced for validation and sequencing data is openly available. We handle the appropriate Material Transfer Agreements (MTA) with institutions, facilitating open exchange and offering intellectual property and liability protection for depositing scientists. Furthermore, we curate free educational resources for the scientific community including a blog, eBooks, video protocols, and detailed molecular biology resources.

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Fiji (tool)

RRID:SCR_002285

Software package as distribution of ImageJ and ImageJ2 together with Java, Java3D and plugins organized into coherent menu structure. Used to assist research in life sciences.

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