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...calcium indicator (Shemetov et al., 2021). In addition to FRET, intensiometric calcium indicators NIR-GECOs...performance, and applications of near-infrared calcium indicators in this recent review (Shcherbakova et al., 2021...encoded near-infrared fluorescent calcium ion indicator. Nat Methods 16, 171-174 (2019). Matlashov, M..... A near-infrared genetically encoded calcium indicator for in vivo imaging. Nat Biotechnol 39, 368-377...Near-infrared and far-red genetically encoded indicators of neuronal activity. J Neurosci Methods 362,...

...crop species including potato, corn, tomato, wheat, mushroom, and rice (Khatodia et al., 2016). Despite...https://doi.org/10.1128/mmbr.67.1.16-37.2003 Khatodia S, Bhatotia K, Passricha N, Khurana SMP, Tuteja N (2016... al., 2013). Nuclease dead Cas9 (dCas9) based activators (such as dCas9-VP64) or repressors (dCas9-KRAB...

...opens in a new window) receptor families, key mediators of synaptic adhesion and function. Additional ...

... columns. Formulation Buffer After affinity chromatography, antibodies undergo a buffer exchange using...

...for the addition of WRE, a post-transcriptional regulatory element that increases export to the cytoplasm...

...expression. Fusing dCas9 to a transcriptional activator like VP64 or VPR activates transcription, whereas... is their persistence and inheritance. CRISPR activators and repressors are thought to be reversible once...cases, epigenetic modifiers may work better than activators/repressors - dCas9-p300 increased transcriptional...enables high-throughput screening for functional regulatory elements in the human genome. Nature Biotechnology...engineering CRISPR toolkit for probing in vivo cis-regulatory interactions in the chicken embryo. BioRxiv: ...Additional Resources on the Addgene Blog Cas9 Activators: A Practical Guide CRISPR Between the Genes: ...

...have begun to use more precise genetic tools: activators, inhibitors, sensors, recombinases, and more....which was recently published in Frontiers in Neuroanatomy.  Here are the three main takeaways from the...achieved in nontransgenic animals by using cis regulatory elements such as promoters and enhancers, multicistronic...multicistronic vectors, and post-translational regulatory elements. Examples of these approaches are given...specificity of the targeted cell population.  Combinatorial strategies can also be used for retrograde tracing...

...cause the least amount of immune response. Any investigator who is using an in vivo animal model should ...identified with AAV2 (5), AAV6 (6) and AAV5 at excitatory connections (3). These facts beg the question...by the use of AAVs? 1) Combined functional and anatomical mapping of circuits In our lab, we use AAV-DREADD...these complexes are so robustly expressed that anatomical assessments can be easily performed too. While...identified this feature of AAVs as a new tool for neuroanatomical tracing (11). With the ability to produce neuron... Floris G., et al. "A fourth generation of neuroanatomical tracing techniques: exploiting the offspring...

...Hendel et al. 2015). Low detection rates mean the investigator can be relatively certain that their samples...off-target mutations are essential data points for investigators looking to definitively link genotype and phenotype...viable options for multiplex sequencing in many laboratories. Nevertheless, unbiased detection isn’t as sensitive...genome-wide unbiased methods. However, most investigators use single cell clones for in vitro CRISPR experiments... Hough is a Biochemistry PhD candidate in the laboratory of Prof Steve Jackson at the Gurdon Institute...Resources on the Addgene Blog Learn to Use Cas9 Activators Perform Genome-Wide Screens with CRISPR Generate...

...CsChrimson::tdTomato, an optogenetic tool (CsChrimson) attached to a fluorescent indicator (tdTomato), as the...intermediate (d), and sparse (e) labeling of the calcium indicator, GCaMP6f, in the Drosophila optic lobe. Image ...dendrites of T5 neurons by placing the calcium indicator GCaMP6f in the effector position, as well as to...