We narrowed to 957 results for: Cre
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TypeBlog Post... preserving cell viability. Library delivery Screening libraries, large collections of biological independent...independent variables, are becoming increasingly popular tools with many applications. These libraries ...library cargo delivered are controllable. For many screening applications, it is essential to deliver a single...being explored as the delivery mechanism for increasingly popular nucleic acid-based vaccines. These vectors...
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Cas13d: Small RNA-targeting CRISPR enzymes for transcriptome engineering
TypeBlog Post...RspWYL1 increases both targeted and collateral RNA degradation by RspCas13d. RspWYL1 also increased EsCas13d...Cas13d, both groups used very general bioinformatic screens that looked for a CRISPR repeat array near a putative... WYL-domain-containing accessory protein WYL1 increases RspCas13d and EsCas13d cleavage activity The majority... -
Synthesized by Ginkgo Bioworks, Shared by Addgene: SARS-CoV-2 Plasmids for Many Expression Systems
TypeBlog Post...sequencing by NGS. Addgene’s QC scientists immediately screen these plasmids to confirm they contain the expected...of plates will have select samples prepared and screened by NGS to spot check the samples, the rest will...are requested by scientists, will immediately be screened by our QC scientists to confirm the plasmids contain...By leveraging our core strengths of intensive screening and the use of high throughput platforms, Addgene... -
Plasmids 101: Transformation, Transduction, Bacterial Conjugation, and Transfection
TypeBlog Post...application of an electrical charge to cells, to increase cell membrane permeability and thus transformation...DNA can be accidentally packaged into the newly created phages. Transfer of this DNA to another cell is...Viruses (AAV). Lentiviral and AAV can be used to create both transient cell lines, where a gene of interest...Electroporation on the other hand uses electrical pulses to create transient pores in the cell membrane that genetic... -
Antibodies 101: Monoclonal Antibodies
TypeBlog Post...of Producing Monoclonal Antibodies, 1999). This creates an immortal cell population that will continue ...hybridomas for monoclonal antibody production. Image created with BioRender.com. The antibody-producing... the genes from the hybridoma into a plasmid to create a recombinant antibody. Figure 2: Changes...Generation of Hybridomas: Permanent Cell Lines Secreting Monoclonal Antibodies. https://www.ncbi.nlm.nih.gov... -
Clear and Accessible Writing
TypeBlog Post...product and development teams have worked hard in increasing and improving accessibility on our website. ... In fact, one of our team goals in 2023 was to increase accessibility to our website through the use of...describe images in online spaces. Alt text is used by screen readers to provide visually impaired visitors with...ultracentrifugation. The viral supernatant migrates through increasingly dense layers until the macromolecule density... -
Deep Dive: qPCR
TypeBlog Post...Welcome to our deep dive series, which aims to increase your understanding and technical proficiency with...temperature drops, single intensity should smoothly increase as the DNA amplicon transitions from single-stranded...finally, drop once more during a final temperature increase. If there is a single amplicon, there should only...c) A double peak indicating 2 amplicons. Image credits (respectively): Zuzanna K. Filutowska; Selma, 2019...can fit in a quick game of Connect Four! Image created in BioRender. Passive Reference Dyes Whatever... -
Addgene: The First Twenty Years
TypeBlog Post...it, it just reflects how useful the reagents we created are for the community. More than 100 labs worldwide...need for high-quality service, open data, and increased reproducibility of materials. In March 2022, we... supported by an NIH BRAIN Initiative. We also created a growing library of antibody educational resources...York, Calico Life Sciences. Most of all, we’re incredibly thankful for all the scientists who have joined... -
Channelrhodopsins with improved light sensitivity for minimally-invasive optogenetics
TypeBlog Post...ions flow into the neuron and causes it to fire. Created with BioRender.com. To make channelrhodopsin-based...information about parental channelrhodopsins to create recombinant channelrhodopsin sequences. The model...fiber-optic cable allows blue light to reach the brain. Created with BioRender.com. In the first experiment...neurons in the VTA, this should propel the mice to increase their nose-poking behavior. Strong nose-poking... -
CRISPR Meets Synthetic Biology: A Conversation with MIT’s Christopher Voigt
TypeBlog Post...Voigt: The big promise is orthogonality. You can create an almost limitless number of DNA binding proteins...fundamental. We built a NOR gate because they are used to create any program you can imagine. The Apollo 11 mission...so that genetic designs of that scale could be created. Someone could take on an engineering project including...enough hardware to control hundreds of genes. We’ve created enough regulatory elements, CRISPRs, repressors... -
CRISPR 101: Targeting Non-Coding RNAs with CRISPR/Cas9
TypeBlog Post...observe the effects. Luckily for us, CRISPR is an incredibly versatile system that can be tweaked to target...pairs long. Using a single guide RNA (sgRNA) to create a double-strand break works well because very small...ncRNA locus (Ho et al. 2012). For large-scale screening, sgRNA libraries are useful for targeting thousands...092902 Liu Y, Cao Z, Wang Y, et al. Genome-wide screening for functional long noncoding RNAs in human cells... -
High Complexity Golden Gate Assembly with NEB’s DAD
TypeBlog Post...suspected a data-driven approach might allow for an increase in the complexity. In 2018, they published a paper...conditions available in DAD tools While DAD made an incredibly complex reaction possible, NEB also optimized...Additionally, this assembly, which used only antibiotic screening for selection, failed under normal cycling protocols...Ultimately, data-driven Golden Gate Assembly greatly increases the potential complexity allowable by a favored... -
Open Resources and Plasmid Tools For Studying C. elegans
TypeBlog Post...OpenWorm OpenWorm is an open source project that is creating the “first virtual organism in a computer.” This...and split cGAL systems The Sternberg lab in 2016 created cGAL, a GAL-4 based bipartite expression system...reagent toolkit and plasmid assembly line for the creation of CRISPR targeting vectors that each contains...2016). Using SapTrap, this CRISPR plasmid can be created in a single tube. You can also find additional ... -
Science communication: 9 Strategies to Get Your Foot in the Door
TypeBlog Post...of Science Writers How to create a successful science blog 5) Get creative – Bring your knacks into ... live sketches at conferences like @ATJCagan or create agar art with colorful microbes? Try your hand ...Science communication is my way of living out my creative side. My newest, exciting endeavor is starting... -
Truncated gRNAs for Regulating Gene Expression
TypeBlog Post...demonstrated to result in decreased mismatch tolerance and, consequently, increased specificity relative to...more stringent targeting rules that result in a decrease in available target sites. Regulating gene expression...focused advancing scientific discovery through the creation of innovative technologies. To date his group ... -
Magnetic Control of Proteins: More than a Dream
TypeBlog Post...Hayward et al., 2024). The fluorescence intensity decreased whenever the magnet approached the sample (by ... and the team set up a directed evolution and screening experiment with three of the proteins that had...several rounds of semi-random mutagenesis and screening, the EGFP and mScarlet variants were showing no... suggest she deprioritize the project, Maria’s screens of AsLOV2 variants showed some significant gains... -
PRIDICT: Predicting Efficiencies of Prime Editing Guide RNAs
TypeBlog Post... we performed high-throughput ‘self-targeting’ screens with oligo libraries where pegRNAs are coupled ...cell contexts. Figure 1: High-throughput screening of pegRNA efficiency and building prediction tools...sequence-based prediction models from self-targeting screens such as PRIDICT/PRIDICT2.0 provide valuable insights...your target. Figure 3: High-throughput screening of the effect of chromatin on prime editing efficiency... -
PhD Applications After COVID
TypeBlog Post... you and your goals. Making a List of Schools Creating a list of schools is one of the first steps in...submitting your application. I found this step to be incredibly useful, as it gives a more comprehensive idea...advisor’s research interests which can be helpful in creating your application to that program. An email to ...simply not feasible. Through the virtual systems created and promoted during COVID-19, online meetings with... -
Chromoproteins: Colorful Proteins For Molecular Biology Experiments
TypeBlog Post...methods. While techniques such as blue-white screening require X-gal, an expensive exogenously-added ...chromoproteins don’t require other substrates for screening. Thus chromoproteins can be used as markers in... used the amilCP and tsPurple chromoproteins to create negative selection markers for allelic exchange...transfer (FLIM-FRET) in living cells (Figure 4). They created ShadowR by modifying the surface of the chromoprotein... -
Adenoviral Delivery of CRISPR/Cas9 Aims to Expand Genome Editing to Primary Cells
TypeBlog Post...templates in somatic cells of adult animals in order to create animal models for particular cancer. That’s exactly...the Memorial Sloan Kettering Cancer Center did to create a model of Eml4–Alk-driven lung cancer (Maddalo... Addgene and could be useful to labs wishing to create this kind of animal models. Start using adenoviral...Circ Res 115:488–492 . https://doi.org/10.1161/circresaha.115.304351 Holkers M, Maggio I, Henriques SFD...