We narrowed to 928 results for: Gene
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TypeBlog PostPublishedJan. 23, 2014, 3:23 p.m....promoters, N-terminal tags, coding sequences of the gene of interest, C-terminal tags, plant terminators ...The complete GreenGate toolkit, now available at Addgene, also gives the option to stack several expression...rounds, dramatically reducing the time required to generate multi-construct transgenic plants. In the most...motivations for making GreenGate available through Addgene,” Lohmann said. “We strongly believe the free sharing...Versatile and Efficient Cloning System for Plant Transgenesis." PLoS ONE. 8(12): e83043 (20 December 2013)...
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AAV Titers: Where Do They Come From And What Do They Mean?
TypeBlog PostPublishedNov. 15, 2017, 3 p.m.... Sean C., Genevieve Laperriere, and Hugo Germain. "Droplet Digital PCR versus qPCR for gene expression...vectors and improved alternative methods." Human Gene Therapy, Part B: Methods 23.1 (2011): 1-7. PubMed...genomes can limit production of recombinant AAV-2." Gene therapy 6.7 (1999). PubMed PMID: 10455443. 3. Hindson...virus type 2 Reference Standard Material." Human gene therapy 21.10 (2010): 1273-1285. PubMed PMID: 20486768...benchmark for infectivity of recombinant AAV vectors." Gene therapy 17.7 (2010): 872-879. PubMed PMID: 20336156...new viral vector preparations. Addgene has used this method to generally validate our viral vector preparation...Additional Resources on the Addgene Blog Important Considerations When Using AAVs Addgene's AAV Quality Control... -
3 Tips to Improve HDR Efficiency for CRISPR Editing in Human Cells
TypeBlog PostPublishedSept. 5, 2017, 1:58 p.m.... as ‘indels’. While this is convenient for generating gene knockouts, NHEJ repair does not allow introduction...CRISPR/Cas9 system is a versatile tool for precise gene editing in many organisms and model systems. We ...were able to introduce the desired mutations in genes associated with dementia, such as APP and PSEN1,...Cas-blocking mutations at both targeted alleles when gene editing. Figure 1: Techniques to improve...called CORRECT, which, by undergoing two rounds of gene-editing enables scarless introduction of an intended...introduction of specific sequence changes. To generate a specific sequence change the cell must undergo...that desired genome-editing events by HDR can be generated more efficiently by (1) improving editing accuracy... -
Tips and Tricks for Using Golden Gate Modular Cloning (MoClo)
TypeBlog PostPublishedJuly 8, 2025, 1:15 p.m....sites yourself using PCR, but gene synthesis can save you time. Using gene synthesis, you can request the...If you’re creating a multigene construct, in what position do you want your gene to be in relation to ...to the rest of the genes? And do you want it to be in the same (forward) or in the opposite (reverse) orientation...you a lot of headaches down the line! Cash in on gene synthesis Before you start your cloning, it is advisable... Figure 1: General overview of the MoClo assembly process to produce a multigene construct. Figure...Golden Gate Cloning Additional resources on addgene.org Addgene's MoClo Guide and Kits MoClo Toolkit MoClo...chosen one of the MoClo kits available through Addgene that suits your experimental purposes. But what... -
Hot Plasmids: Fall 2024
TypeBlog PostPublishedNov. 21, 2024, 1:30 p.m....Caenorhabditis elegans. Genetics, 228(2), iyae126. https://doi.org/10.1093/genetics/iyae126. Gene disruption in...tags for live imaging in C. elegans CRISPR/Cas9 for gene disruption in M. abscessus Bioluminescent reporter...developed a novel dual-plasmid CRISPR/Cas9 system for gene disruption in Mycobacterium abscessus, an increasingly...Here, the researchers were able to target multiple genes in M. abscessus either simultaneously or stepwise...system is induced to cause disruption of the target gene. Lastly, curing the mCherry-sgRNA plasmid leaves...Anti-V5 [IPI-SV5-Pk1]. Addgene Report, https://doi.org/10.57733/addgene.l0ulu4. Hanke, T., Szawlowski,...collection of epitope tag antibodies available through Addgene. Anti-V5 [IPI-SV5-Pk1] is a recombinant version... -
Plasmids 101: Golden Gate Cloning
TypeBlog PostPublishedAug. 27, 2015, 2:30 p.m....scarless cloning. The cloning scheme is as follows: the gene of interest is designed with Type IIS sites (such... allows for multiple DNA components (promoters, genes, terminators, etc) to be assembled in the correct...recognition site(s) thus eliminating these from your gene of interest. PCR products are then digested with...ligated following a heat inactivation step. If your genes of interest or destination vector contain multiple...More Resources at Addgene: Check out more Plasmids 101 Posts! Check out Addgene’s restriction cloning...Addgene’s plasmids are used with a wide variety of restriction enzyme-based cloning methods. Each method...can also be adapted to express multiple gRNAs. Addgene has two Golden Gate-based gRNA assembly methods... -
What's the Best Way to Elute and Store Your Plasmid DNA?
TypeBlog PostPublishedJune 4, 2020, 1:22 p.m....presence of the protein endonuclease I encoded by the gene endA. Nowadays, the most common E. coli strains ...plasmid amplification are endA negative, meaning the gene has been removed/mutated to neutralize the nuclease...nuclease activity. For strains that still carry this gene, there are usually extra steps like heat inactivation...1874070701307010010 Additional resources on the Addgene blog Find five ways to purify DNA without a kit...Browse our Plasmids 101 blog posts Resources on Addgene.org Check out the Molecular Biology Reference Find... -
CRISPR Between the Genes: How to Experiment with Enhancers and Epigenomics
TypeBlog PostPublishedAug. 9, 2016, 2:30 p.m....which NANOG-related genes are critical to stem cell survival. Knowing which genes influence the survival...compaction, an enhancer can increase the expression of a gene that is millions of base pairs away. (For details...GPS for the genome” to compute coordinates for genetic elements like protein, RNA, and DNA (Table 1). ...family as HIV. By design, our lentivirii are genetically programmed to CRISPR out the enhancers we identified...differentiate over time, we periodically use next-generation sequencing to measure the relative proportion...pillar and the ESC dies. Order Lentivirus from Addgene If you’re interested in designing your own CRISPR...Hypersensitive Sites and Intergenic CRISPRs Yours truly generated the DHS data set by starting with all of the DHS... -
Easi-CRISPR: Generating Knock-In and Conditional Mouse Models
TypeBlog PostPublishedApril 5, 2018, 12:42 p.m.... Figure 1: In conventional gene targeting (A), you must first generate your desired mutation in mouse...mutations, the 8-10 month process of conventional gene targeting is lowered to about 2-3 months. But certain...example of inserting a 2A-FlpO cassette into the Fgf8 gene. Miura et al. (2018) suggest using a 50-80 bp sequence... mouse model generation easi-er! Generating mice before CRISPR The process of generating knock-in mice...process of mouse model generation simpler, as described in an earlier post on generating CRISPR mouse models...after editing. How to use Addgene plasmids for Easi-CRISPR You can use Addgene plasmids to create a repair...template. Figure 2: Overview of ivTRT to generate an ssDNA repair template. Although effective... -
Channelrhodopsins with improved light sensitivity for minimally-invasive optogenetics
TypeBlog PostPublishedNov. 3, 2020, 2:15 p.m....delivery enables minimally-invasive gene delivery and optogenetic excitation. Excitation of neurons deeper...the differences between chemogenetics and optogenetics Resources on Addgene.org Browse all viral vectors...available at Addgene Visit our viral vectors guide Find our chemogenetics and optogenetics science guides...resources on the Addgene blog Read more about the PHP.eB AAV capsid Read more about optogenetics Learn about...Optogenetics is a neuroscience method that lets you fire neurons with the flick of a light switch. Neurons...allowing an influx of ions into the neuron which generates an action potential (Figure 1). This light-induced... to use invasive measures to perform in vivo optogenetic experiments. Intracranial injections of AAV are...