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...enough space! There’s enough space here at our new location to grow. We are hiring again and getting ready...to keep up with the demand with excellence and dedication. We don’t have worry or wonder if providing...research, hosting conferences, and are expanding our catalog of materials to better serve the community. We ...projects allows us to support more new projects. Diversification is happening. The Addgene team will have some...we might do. I am grateful every day for their dedication, flexibility, innovative thinking, and openness...Addgenies support a high collaboration, high communication, high efficiency, high quality, low meeting,...about the Addgenies. I never worry about their dedication, excellent intentions, or incredible drive to...

...re used in a number of research and clinical applications. Most of the time, when someone speaks about...deeper penetration into a tissue, useful for applications like IHC, or be able to access an epitope folded...that would size-exclude an antibody. In imaging applications, smaller affinity reagents means higher resolution...antibody’s ‘Y’. They are often used in clinical applications. Fab fragments can be created in lab in situations...Shahied, 2004). They are often used for clinical applications, including imaging.  Diabodies are ~60 kDa proteins...antibodies are still an excellent option for many applications, and frankly, if ain't broke, don't fix it!  ...flexible in your approach to affinity reagent applications. Whatever affinity reagents you use, one thing...

...voltage indicator Article contributed by Shreya Vedantam Genetically encoded voltage indicators (GEVIs)...fluorescent optics. Existing red fluorescent voltage indicators, however, fall short compared to GFP-based sensors...linker between them. The Ace-mScarlet voltage indicator works like many FRET-opsin GEVIs. With an increase...channelrhodopsins. Find the Ace-mScarlet voltage indicator plasmids at Addgene! Beck et al., Sci Report 2019...increasingly been recognized for its biotechnological applications including conversion of CO2 into water and electrical...the N-terminus of Cre (CreN) are fused to the truncated Phytochrome B (PhyBΔ) and the active protein binding...

...summarized in a recent Nature Medicine paper. In the publication, Bhang and coworkers used the ClonTracer library...propagated it, separated it into roughly identical replicate groups, and treated these groups with the same...below): 1. Resistant cells among the separate replicates would contain the same labels - i.e. they would...subpopulation 2. Resistant cells among the separate replicates would have different labels - i.e. they would... Looking at barcode abundances among multiple replicate populations, they found that similar barcodes ...populations were shared by at least one other replicate; prior to treatment, there are small (previously...such that initial resistant populations can be eradicated up-front quickly. This approach is in contrast...

...regulation thats as sophisticated as a natural network. We could build a material as sophisticated as wood. To... perspective and you can layer them for more complicated functions. Those things are easy with CRISPR....submitting parts from another paper for resource allocation. Those will allow you to set the amount of transcriptional... carbons and oxygens. Nothing too much more sophisticated. There are also proteins, like antibodies. But...just using what biology has given us. Wood is a complicated material and we can access it, but we are stuck...able to design new materials and chemicals as sophisticated as those that living cells and animals make....

...in the brain region you wish to stimulate 2) Fabrication and implantation of the optical fiber into the...Channelrhodopsin2 (Chr2), a blue-light sensitive non-specific cation channel, activation of which results in depolarization...optogenetics. Successful stereotaxic surgery relies on identification of the bregma and lambda sutures and subsequent...bregma which allows you to quickly and reliably locate your injection site. We recently purchased this... fluorescent protein, which allows for easy identification of opsin expression, extent of viral spread...express for too long (synapsin was privately communicated to me as one of these extremely high expressing... and memory in opioid addiction and science communication/science writing. Derek is also a pianist and...

...visit the Cell Catalog on the Allen Cell Explorer, where you can also find the certificate of analysis provided...signal that makes it hard to visualize the precise location of the protein or structure of interest. Endogenous...technology, inserting large tags into a precise location in the genome is still inefficient, particularly...from these cell lines can be found in the Cell Catalog on our data portal. The plasmids should be functional...

...flexibility in the location of the cut and subsequent edit. In these applications, location takes priority...make a choice about what is your top priority: location or efficiency. If you are just trying to shred...still leave you choosing between efficiency and location.   Nearly PAM-less editing   The Kleinstiver lab...in double stranded cleavage and base editing applications, with high editing capacity in both contexts...randomly selected genomic loci will have a PAM located next to it. The SpRY Cas9 can also work with NYN...

...containing genes with many modifications. We look for point mutations, truncations, and insertions that could...significant amount of QC. First, we perform Picogreen quantification on each and every isolated plasmid sample and... preparation process and includes Picogreen quantification of various intermediate steps, a sizing electrophoretic...electrophoretic gel, and qPCR quantification of the final libraries. A broader view of the whole plasmid...often find a few mismatches in the origin of replication or other common backbone elements. Since we’ve...annotated Genbank files that are useful for more complicated plasmids, like those that contain synthesized...

... from E.coli, named TadA7.10 in ABE7.10)  a catalytically impaired Cas protein (dCas or Cas nickase)  ...accidental insertions and deletions (indel) by the catalytically impaired D10A nickase from ABE7.10 can be a ...the authors created ABE8 constructs using a catalytically “dead” S. pyogenes Cas9 (dC9-ABE8.x-m/d). The...these variants, ABE8 could target many additional locations in the genome. Compared to ABE7.10, NG-ABE8.xm... reduced off-target editing frequencies. For applications that require high DNA editing specificity, for...deamination, an important attribute for therapeutic application. ABE8s demonstrate an overall improved base editing...editors with increased activity and therapeutic application. Nature Biotechnology. https://doi.org/10.1038...

...channelrhodopsin, fused to a fluorescent GFP marker (CatCH-GFP). The lab deposited AAV plasmids containing ...expression. Surprisingly, <1% of synthetic promoters replicated the expression specificity of the wild-type promoters...reproducibly labeled retinal cells can be found here.  Applications for synthetic promoter AAVs Besides restricting...synthetic promoters have a few other potential applications: Using promoter combinations for targeted expression... promoters expressed in. The lab tested this application using one promoter to drive expression of Cre-mCherry...drive expression of a Cre-dependent fluorescent CatCH-GFP reporter. Expression of GFP will only result... rates of labeling are ideal of gene therapy applications, promoters that produce sparse labeling would...

...single-molecule biophysics Fast and responsive voltage indicator ONE-GO biosensors kit Antibodies for neurodegeneration... an enhanced pU6cm promoter, viral replicon amplification of cargo, and heat treatment.  Figure...2024.12.20.629623.  A fast and responsive voltage indicator with enhanced sensitivity for unitary synaptic...and more responsive genetically-encoded voltage indicator (GEVI) than previous versions. ASAP5 can be imaged...The initiation site identified in panel (C) is indicated; red line is exponential fit. Adapted with permission..., M. Z. (2024). A fast and responsive voltage indicator with enhanced sensitivity for unitary synaptic...activation triggered by endogenous GPCR. Example applications include large-scale pharmacological profiling...

...setting—especially if job applications require teaching experience or high numbers of publications, which may take...their funding. Communication: In both industry and academia, you will have to communicate your science ...people involved is staggering. The process is complicated. If you’re interested in the drug discovery process... proprietary compounds or information. Where publication is expected, the process is similar to academia...science to others and advocate for the importance of your work. In my experience in industry, you’re more likely...

...stem cells are: Their ability to self-renew or replicate while maintaining the undifferentiated “stem” ...Unipotency: As the name suggests, cells under this category can differentiate into only one cell type. Muscle...differentiate only into myogenic precursor cells [5]. Classification of stem cells Stem cells are classified into...somatic stem cells, these multipotent stem cells are located in small quantities in specific “stem cell niches...body. These generate specialized cells for their location, mostly to maintain cell numbers or replenish ...joined Cell Press to pursue a career in science communication and publishing after completing her postdoctoral...Extraction of Pluripotent Embryonic Stem Cells: Implications for Regenerative Medicine and Reproductive Medicine...

...development programs for bioscience educators. Using these hands-on tools, educators introduce their students to...biologists have always struggled to effectively communicate the nuances of protein structure in a flat 2-...dangerous. Subscribe to CRISPR Blog Posts How do educators and students use molecular models?   We created...something tangible. Under the guidance of a trained educator, these instances of focused attention become magical... their labs. Soon after we began working with educators in our Center for BioMolecular Modeling, we spun...through flexibility It is common knowledge in the education community that All models are wrong….Some models...

...experts in science communication in real time! I follow great online science communicators like Phil Plait...the public, so I reached out to people who were educating the public and organizing events. I contacted ...about any topic I like and gain experience in communication, editing, marketing, and website organization...when I was trying to find local informal science educators, and ever since, the State Museum has been the.... She is particularly interested in science communication and fundamental molecular biology.      Additional...  science communication...

... unique compared to the rest of the genome and located immediately 5’ to a protospacer adjacent motif ...coli, and T. gondii genes.  2) What genetic modification are you trying to make? Addgene carries CRISPR...next-generation sequencing to check the quality of your amplification. If you've obtained a ready-to-use lentiviral... As such, sequencing CRISPR libraries after amplification and after a screen requires the use of next-...experiment, the use of appropriate controls, multiple replicates and several cell types can strengthen your results...independently validated to ensure that the desired modification produces the phenotype you screened for in the...information on CRISPR screens check out Addgene’s 2016 publication “Practical Considerations for Using Pooled Lentiviral...

...excited to announce we now offer an export license application for rabies materials! Some of the materials in...export-controlled materials in the USA, where Addgene is located.  The export license, if granted, allows us to ...international requestors. We also offer export license applications for VSV and SARS-COV-1 plasmids. Export control... applied to cover processing costs. Once the application is approved, Addgene then ships the material ...offered VSV and SARS-COV-1 plasmids under this application process since May 2020. We find this process ...whenever possible, as we cannot expedite the application process.  More information about export control...

...subfields.  Plasmid requests correlate with paper publication The dataset includes 11,426 plasmid requests ...14%). Spikes in plasmid requests correspond to publications of popular papers. Figure 1: Plasmid requests...effect on plasmid requests Before we began any sophisticated analyses, we first visualized our data in various...orders and new COVID-19 cases for each week by location. We observed that as expected, plasmid orders ...independence assumption of the Poisson process. This modification also eases the interpretation of the parameters...effects fairly well. However, we observed one complication in the China data – there is a period of 1 month...fundamental scientific discovery and high-impact applications.       Alvin Hsu is a graduate student at Harvard...

...containing a phage origin of replication that can be packaged into replication-incompetent phage particles...essential processes: cell wall synthesis, DNA replication, or protein synthesis. Because they target such... and medical organizations are working to help educate the public about proper antibiotic usage. Although...mammalian viral vectors in that the vectors are replication-deficient. Thus, a very large number of phagemids...CRISPR antimicrobials combines them with both replication-competent phages and antibiotics. Phage therapy...bacterial host range. To further potential clinical applications, Ando et al. recently engineered synthetic phages...