QIAquick PCR Purification Kit
Company: QIAGEN
Catalog#: 28104
Product evaluation:
Design and Direct Assembly of Synthesized Uracil-containing Non-clonal DNA Fragments into Vectors by USERTM Cloning
[Abstract]  This protocol describes how to order and directly assemble uracil-containing non-clonal DNA fragments by uracil excision based cloning (USER cloning). The protocol was generated with the goal of making synthesized non-clonal DNA fragments directly compatible with USERTM cloning. The protocol is highly efficient and would be compatible with uracil-containing non-clonal DNA fragments obtained from any synthesizing company. The protocol drastically reduces time and handling between ...

Protocol for Construction of a Tunable CRISPR Interference (tCRISPRi) Strain for Escherichia coli
[Abstract]  We present a protocol for construction of tunable CRISPR interference (tCRISPRi) strains for Escherichia coli. The tCRISPRi system alleviates most of the known problems of plasmid-based expression methods, and can be immediately used to construct libraries of sgRNAs that can complement the Keio collection by targeting both essential and nonessential genes. Most importantly from a practical perspective, construction of tCRISPRi to target a new gene requires only one-step oligo ...

Dense sgRNA Library Construction Using a Molecular Chipper Approach
[Abstract]  Genetic screens using single-guide-RNA (sgRNA) libraries and CRISPR technology have been powerful to identify genetic regulators for both coding and noncoding regions of the genome. Interrogating functional elements in noncoding regions requires sgRNA libraries that are densely covering, and ideally inexpensive, easy to implement and flexible for customization. We present a Molecular Chipper protocol for generating dense sgRNA libraries from genomic regions of interest. This approach utilizes a ...

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