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We narrowed to 1,158 results for: Gene

Showing: 601 - 620 of 1158 results
  1. Fluorescent Protein Travel Awards - Protein Variants, a Serotonin Sensor, and an Artificial Leaf Replica System

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    Blog Post
    ...that control cell cycle gene expression.  Additional Resources on the Addgene Blog Visit the fluorescent...work in Lin Tian’s lab at UC Davis is to generate a genetically encoded fluorescent sensor for serotonin...sequence an individual’s genome. But when they find genetic variants, what does that mean? Previous research...of Washington sought to address the effects of genetic variants in a high throughput manner. She helped...modeling, directed evolution, site-saturation mutagenesis, and medium-throughput screening, she increased...GFP Find microbiology blog posts Resources on Addgene.org Find fluorescent protein biosensors Browse Plasmids...
  2. Visualizing Genomic Loci with CRISPR-Sirius

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    Blog Post
    ... observing low-copy genomic loci or single copy genes. If you want to visualize genomic loci brightly,...PP7, or boxB sequences inserted into the sgRNA generates blue, green, or red colors for labeling. A combination... PP7, or boxB sequences in the same sgRNA will generate additional colors. Image from Ma et al., 2016 ...CRISPR-Sirius a try. Find CRISPR-Sirius plasmids at Addgene. References Ma, Hanhui et al. “Multicolor CRISPR...PubMed PMID: 30377374. Additional resources on the Addgene blog Download our CRISPR eBook Learn about fluorescent...tools Read all CRISPR blog posts Resources on Addgene.org Browse our CRISPR plasmids for visualization...
  3. CRISPR 101: Cytosine Transversion Editors

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    Blog Post
    ...The first base editors revolutionized CRISPR gene editing. Cytosine base editors (CBEs) and adenine base...conducted a CRISPRi screen to identify endogenous genes that impact CGBE efficiency. In addition to using...review how CRISPR-derived base editing works in general. Base editors use either catalytically dead Cas9...efficiency and produced fewer indels than first-generation editors. This team also demonstrated that different...sequences) (Huang et al., 2024). BE4max, a CBE, generated similar deletions at a lower frequency. Their ...and its inclusion significantly reduced indels generated by CGBEs. What's next? Base transversion editing...base transition editing, we can expect several generations of optimization before the field begins to converge...
  4. CasPEDIA: A Functional Classification of Cas Enzymes

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    Blog Post
    ... widely available and applied by researchers for gene targeting. Fast forward a decade, and the CRISPR...Resources on Addgene.org CRISPR software and resources Addgene CRISPR Guide Addgene’s CRISPR 101 eBook... trans activity. AsCas12a, on the other hand, generates staggered DNA nicks at its target in cis and cleaves...end goal. CasPEDIA also features useful links to Addgene resources throughout the site. In the Experimental...each enzyme page, you'll find a link to search Addgene's collection for plasmids containing that enzyme... from the article if they're available through Addgene. So whether you're looking for the exact Cas9 plasmid... or browsing for the latest AsCas12a plasmids, Addgene and CasPEDIA have got you covered!     ...
  5. Giving gRNAs a Facelift - Synthetic and Beyond

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    Blog Post
    ...Chemical Modifications of CRISPR RNAs to improve Gene-Editing Activity and Specificity. JACS 144, 12584...resources on addgene.org  View Addgene's collection of empty gRNA vectors View Addgene's CRISPR resources...effectively serving their function of guiding Cas9 to generate a targeted break. These advances in gRNA technology...photocleavable gRNAs. Photocleavable guides are generated by introduction of a single photocleavable 2-nitrobenzyl...lentiviral plasmids Additional resources on the Addgene Blog  How to design your CRISPR gRNA CRISPR 101...
  6. Cas13d: Small RNA-targeting CRISPR enzymes for transcriptome engineering

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    Blog Post
    ...In this case, Konermann et al. targeted MAPT, the gene encoding dementia-associated tau, delivering dCasRx...possibilities. To identify Cas13d, both groups used very general bioinformatic screens that looked for a CRISPR ...scientific sharing will continue to grow, and we at Addgene appreciate our depositors for making their tools...29551272 Plasmids from this paper are available at Addgene. Yan, Winston X., et al. “Cas13d Is a Compact ...29551514 Plasmids from this paper are available at Addgene. Learn more about research at Arbor Biotechnologies...Biotechnologies. Additional Resources on the Addgene Blog: Learn about CRISPR RNA Editing with REPAIR Get tips...Cas13a (C2c2) Characterization Resources on Addgene.org: Find RNA Knockdown Plasmids Check out our CRISPR...
  7. Developing a cold tolerant E. coli using specialized chaperones

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    Blog Post
    ...where we could incorporate cold-tolerance inducing genes within a regular mesophilic host system. This would...resources on the Addgene blog Find our synthetic biology blog posts Resources on Addgene.org Find plasmids... pC013-Twinstrep-SUMO-huLwCas13a plasmids from Addgene, which would potentially allow a stable Cas expression...” by Benoit Giquel, an outreach scientist from Addgene. The talk highlighted the importance of reagent...
  8. Visualizing Protein Turnover In Situ

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    Blog Post
    ...situ is the knock-in of fluorescent tags into the gene locus of interest. An advantage of this alternative...studied a synaptic protein that is linked to neurodegeneration. The level of this protein is decreased in...PMCID: PMC4121734. Additional Resources on the Addgene Blog Fluorescent microscopy techniques - Which... tagging strategies Additional Resources on Addgene.org Fluorescent protein plasmids Use FRET to study...protein-protein interactions Deposit plasmids with Addgene! ...
  9. CRISPR 101: Non-Homologous End Joining

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    Blog Post
    ...repair of Cas9-generated breaks is useful if the intent is to make a knockout in your gene of interest, ..., as it is prone to generating indel errors. Indel errors generated in the course of repair by NHEJ are...are typically small (1-10 bp) but extremely heterogeneous. There is consequently about a two-thirds chance...Of some importance, the deletion can be less heterogeneous when constrained by sequence identities in flanking...overhangs is available. Cas9 can also be altered to generate a targeted single strand break; when two such ...  Dale Ramsden is a member of the curriculum in Genetics and Molecular Biology, the Dept. of Biochemistry... Break Diminishes Its Mutagenic Potential. PLoS Genet 5:e1000683 . https://doi.org/10.1371/journal.pgen...
  10. Transferable Skills Guide: Public Speaking

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    Blog Post
    ...You realize, much too late, that you labeled your gene of interest incorrectly on slides 8-16. Your notes...remember related to this paper and/or biology in general until I reached Fig. 6, Panel L, and hope nobody...breath–you got this!  Additional resources on the Addgene blog Transferable Skills Guide: Time Management...
  11. CRISPR 101: Cas9 vs. The Other Cas(s)

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    ... useful as a mechanism of transient knockdown of gene expression. This system could be used in lieu of...complementary site in the genome where it will proceed to generate a blunt DNA double strand break. Cas9 has been...Cas12’s primary difference from Cas9 is that it generates staggered breaks, also known as sticky ends. Cas12a...targeting experiments requiring single strand DNA generation, such as homology directed-repair. Cas12a is ... of DNA. This makes it particularly useful in generating transient edits of signaling molecules (RNA) ...If your genome engineering goals expand beyond generating frameshift mutations or single base pair edits...s41586-021-03886-5 Additional resources on the Addgene Blog CRISPR 101: Which Cas9 do I choose for ...
  12. RNA Extraction Without A Kit

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    Blog Post
    ...downstream application such as quantitative PCR to assess gene expression. There are several things that researchers...everything, including your skin. Here are some general tips for working with RNA, even if you are using...10.1038/nprot.2006.83 Additional resources on the Addgene blog Read blog posts related to plasmid protocols...for purifying DNA without a kit Resources on Addgene.org Check out our molecular biology protocols Find...
  13. Hot Plasmids and Viral Preps - March 2021

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    Blog Post
    ...from Jiazhang Lian’s lab that enables simultaneous gene activation, repression, and editing with a single...studies.    Duong et al., Genetics 2021. https://doi.org/10.1093/genetics/iyab006       The CRISPR ... need. Here's what you'll find in this post: Epigenetic engineering with single-pot assembly Tracking...CRISPR plasmids New items from the viral service Epigenetic engineering with single-pot assembly By Eric ... of plasmids to the repository that will help epigenetic researchers custom design their own engineering...) Golden Gate assembly (backbones available at Addgene) with examples of potential synthetic chromatin...with BFP, sender cells expressing surface BFP generated BFP-labeled receiver cells. What’s more, G-baToN...
  14. Enhancing CRISPR Targeting Specificity with eSpCas9, SpCas9-HF1, & HypaCas9

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    ...have been modified for genome editing, activating gene expression, visualizing genomic loci, and much more...plasmids from this publication at Addgene. Resources on the Addgene Blog Read about Cas9 Homolog Cpf1...effect on specificity was similar; SpCas9-HF1 generated fewer off-target cuts when compared to WT SpCas9...collaboration with the Joung Lab, they used targeted mutagenesis to create HypaCas9 (SpCas9 N692A/M694A/Q695A/...-HF1. The HypaCas9 plasmids are available from Addgene here! Future possibilities for Cas proteins With...26628643. Find plasmids from this publication at Addgene. 2. Nishimasu, Hiroshi, et al. "Crystal structure...26735016. Find plasmids from this publication at Addgene. 5. Chen, JS, et al. "Enhanced proofreading governs...
  15. Plasmids 101: Optimizing Plasmid Yields

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    ...fewer transcripts of their antibiotic resistance genes and can therefore be cultured in media containing...plasmid prepping is a breeze. You get your stab from Addgene, streak for single colonies, sub-culture, and prep...use a different strain. For most applications, Addgene uses and recommends DH5𝝰! This strain consistently...density and plasmid yield as these factors are generally, but not perfectly, correlated. Typical growth...sufficient gas exchange in the overnight culture. Generally, large cultures in flasks may be shaken around... strain instructions from the manufacturer. On Addgene plasmid pages, you may see depositor recommendations...writing of this post. Additional Resources on the Addgene Blog Visit our Plasmids 101 Topic Page Learn How...
  16. Plasmids 101: Protein Expression

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    Blog Post
    ...cells)  that allow for continuous expression of genes integrated into the insect cell genome. Both of ...and cell free expression systems. Overall the general strategy for protein expression consists of transfecting...systems Yeast are a great expression system to generate large quantities of recombinant eukaryotic proteins... species due to its use as a model organism in genetics and biochemistry. When using S. cerevisiae, researchers...large-scale, stable production of proteins. In general yeast expression systems are easier and cheaper... use. Alyssa D. Cecchetelli is a Scientist at Addgene. She received her PhD from Northeastern University...proteins in plant root exudates Resources on the Addgene Blog Learn about inducible promoters Learn about...
  17. Technical Design of a Western Blot

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    Blog Post
    ...error than normalizing to so-called housekeeping genes (Aldridge et al., 2008).  Woah! That was a lot of...quantification Normalizing to ubiquitously expressed genes Not as accurate; increased antibody costs; increased...Antibodies Resources on Addgene.org Addgene's Western Blot Protocol Addgene's Western Blot Protocol Video...Looking for a western blot protocol? Check out Addgene's western blot protocol and protocol video!  Antibodies...gel. Handcast gels are significantly cheaper and generate less waste. However, they also add time to an ...in size. However, these systems are expensive, generate plastic waste, and limit the amount of optimization... can only compare samples to a standard curve generated on the same blot. If your protein of interest ...
  18. Mesothelioma - Causes, Symptoms, and Treatment

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    ...studies show that certain mutations of the BAP1 gene play a role in susceptibility to developing mesothelioma...Additional Resources on the Addgene Blog Find out More About Cancer and Addgene's Cancer Collection Pages...others never do, but we do know that there are some genetic factors involved. For example, multiple studies...research is being done to see what, if any, other genetic factors may be in play. However, there is no question...options: Early detection, immunotherapy, and angiogenesis inhibitors New research is also going into two...bevacizumab (Avastin). This drug (known as an angiogenesis inhibitor) prevents the growth of new blood ...the use of asbestos, thus ensuring that future generations will be protected from this dangerous material...
  19. Better Dyeing Through Chemistry & Small Molecule Fluorophores

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    ...from transient overexpression of protein fusions to gene-edited cells can decrease the number of fluorophores...Fluorescent Protein Should I Use? Resources on Addgene.org Generate Fluorescent Protein Fusions Request Plasmids...in-cell labeling strategies have two parts: (1) a genetically encoded “tag” expressed as a fusion with your... dye ligand (e.g., FlAsH, ReAsH) and a short genetically encoded tetracysteine (Cys4) peptide tag could...TMP-tag) – These widely used systems consist of a genetically encoded enzyme variant tag that reacts specifically...such as paclitaxel. Unlike other systems, no genetically encoded tag is required as the small-molecule...strategies have trade-offs between the size of the genetically encoded tag, the speed and selectivity of the...
  20. What’s in Your Tube?: A Quick Guide to Measuring DNA by Spectrophotometry

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    ... preparations on downstream applications. Qiagen Gene Expression Newsletter. Issue 15/10. March 2010. ... Tech Tip (2013).  Additional resources on the Addgene blog Plasmid Preps: Different Purity, Different... Your Plasmid Purification Kit Resources on Addgene.org DNA Quantification Protocol Recovering Plasmid...
Showing: 601 - 620 of 1158 results