We narrowed to 1,082 results for: IND;

...propensity of Cas13a to bind and cleave RNA non-specifically. The ability of dCas13a to bind target RNA without...function, and will therefore be the focus of the remainder of this blog post. Perhaps the biggest difference...difference between Cas13a and Cas9 is that Cas13a binds and cleaves RNA rather than DNA substrates. In terms...nuclease dead” Cas13a (dCas13a), that is capable of binding target RNA but lacks the ability to cleave the ...Cas9 uses both a tracrRNA and crRNA to facilitate binding and cleavage of target DNA respectively. LshCas13a...a uracil-rich stem loop and facilitates target binding and cleavage through a series of conformational...like Cas9 or Cpf1. As a result, Cas13a will then bind and cleave additional RNAs regardless of homology...

...antibody not only binds specifically to its target through the antigen binding site but also binds non-specifically...Preimmune serum control will not bind to the desired target but will bind nonspecifically through the Fc...detectable, it is likely due to binding interactions outside of the antigen-binding site.      Secondary antibody...blot and look for the molecular weight shifts indicative of tau phosphorylation. By including the positive... are likely just natural differences between individuals. Recommended controls for antibody-based experiments...secondary antibody cross-reactivity. Non-specific binding  Primary antibody specificity is further supported...

...computational support. Indeed, rational sgRNA design is not possible without relying on some kind of pre-analysis... needs of each individual; the  community as a whole has yet to settle on any true kind of value. I’ve... because they rely on pre built indices or databases in order to find and present the results to you as...this, some online tools such as Cas-OFFinder will suffice. Cas-OFFinder provides a bare-bones data dump of...offline front, there is a Python script called SSFinder, but I find its implementation to be too slow for practical... are altogether different. They are filled with blind anticipation. Their trust in the quality of the ...reviewing the contents of the piñata and the audience blindly receiving them; it results in highly similar content...

...sign up here.  Here's what you'll find in this post: Blue-light inducible Cre for use in bacteria CRISPR-Casɸ...ABE.  Find the plasmid here Jesse Zalatan’s lab deposited plasmids for a chemically inducible CRISPRa...deposits and we hope they'll make it easier for you to find and use the plasmids you need. If you'd ever like...items from the viral service A fast blue-light inducible Cre for precise control of bacterial gene expression...of optogenetics. Optogenetic tools use light to induce conformational changes in a protein.    ...Tagging with Light (SPOTlight) as a way to isolate individual cells with unique spatiotemporal phenotypes from...a few highlights from recent CRISPR plasmids. To find all of the CRISPR plasmids available from Addgene...

...this plasmid which indicates that there was a prior version of this plasmid. Indeed the first version ...second most requested plasmid of all time, pMD2.G. Find psPAX2. pMD2.G - Also from the Didier Trono lab ...This plasmid was the top requested plasmid of 2017. Find pMD2.G. pSpCas9(BB)-2A-GFP (PX458) - This plasmid...2A-GFP allows for screening of transfected cells. Find pSpCas9(BB)-2A-GFP (PX458). lentiCRISPR v2 - This...for CRISPR pooled library screening experiments. Find lentiCRISPR v2.(If you’ve peeked through the rest...oligos can be cloned to create a chimeric guide RNA. Find pX330-U6-Chimeric_BB-CBh-hSpCas9. pSpCas9(BB)-2A-Puro...the most recently available plasmid in the top 15. Find pSpCas9(BB)-2A-Puro (PX459) V2.0. pCMV-VSV-G - ...

...deposits and we hope they'll make it easier for you to find and use the plasmids you need. If you'd ever like...deposit please sign up here.  Here's what you'll find in this post: Yeast-based protein evolution Fluorescent... proteins and might be useful for your studies.  Find the plasmids to set up your screening systems at...tagged with MapTau to label entire microtubules. Find these fluorescent mammalian cell structure markers... T7 Express competent E.coli (NEB) using IPTG induction. To biotinylate the nanobodies, the authors used... and results in uniform NB biotinylation. Once induced, the NBs could be easily purified by one-step immobilized...variations in human pluripotent stem cells(hPSCs), Lindy Barrett’s lab at the Broad Institute developed fluorescently...

... correct interpretation of the effect of the independent variable you are testing. Importantly, they demonstrate...experiment is specifically associated with the independent variable you are testing and not some other unintended... are used to minimize any effects of the non-independent variables.  To illustrate the importance of control...control; specifically, the plasmid without the independent variable. Referring back to the experiment associated...associated with Figure 1, the independent variable is the shRNA. Therefore the empty control vector would... Plasmid B (as internal control) This result indicates that the transfection was not successful due to...including how much plasmid DNA to use for any individual or co- transfection, should be determined empirically...

... that the independent variables are independent of each other. That is, multiple independent variables...the production window. Factorial ANOVA This type of ANOVA assesses multiple independent variables on a...distribution, equal variance, and independent variables), it’s best to find a test that does. If you perform...relevant for many downstream statistical tests.   Independent variables – factors which are not affected by...assumptions: Distribution – Normal Variables – Independent Variance – Approximately equal Data type - Quantitative...t-tests can also be referred to as two-sample or independent, but these designations all refer to the same... for example) simultaneously, with up to two independent variables. This test will tell you if there are...

... In contrast, indirect IF requires two antibodies: a primary and secondary. For indirect IF, the primary...immunofluorescence and indirect immunofluorescence work. Image created with BioRender.com   Indirect IF is a much...are applied to a cell or tissue sample where they bind to their targets, most commonly proteins. You can...molecules, knowing that where you see fluorescence indicates your target’s location. Some other terms you might...learn more about these techniques!  Direct vs. indirect immunofluorescence There are a couple different...familiar with when talking about IF, direct and indirect. For direct IF, researchers use a single antibody...on this technique here. One of the reasons that indirect IF is more common is that secondary antibodies...

...design. Find streptavidin plasmids and biotin plasmids at Addgene!     Figure 1: Indirect detection...for example, a previously induced gene knockout. Besides amine- and DNA-binding dyes, nucleoside analogs...live cells are protected. Amine-binding viability dyes can still bind free amines on the cell surface,...where fluorophore-conjugated antibodies directly bind to epitopes of interest that are found in the extracellular...and 'staining' to refer to small molecule dyes. Indirect labeling While antibodies used for target marker...western blotting or ELISAs.  A popular method for indirect labeling employs a primary epitope-targeting antibody...fluorophore-conjugated streptavidin protein, which binds the primary antibody through the biotin-streptavidin...

...executive director of Central Indiana Science Outreach and a Postdoc at Indiana University School of Medicine...instance, I tweeted to the Indiana State Museum and others when I was trying to find local informal science... mine was geared toward careers in academia or industry. Luckily, I discovered that there are many ways...culminated in my founding a nonprofit called Central Indiana Science Outreach, or CINSO. We organize fun science... you’re provided throughout your PhD program.   Find people who will support your professional development...advisors are not as supportive of your career goals, find people who are. I wanted to do fun science activities...

...Resources on Addgene.org Find Cre-Lox Plasmids Find Optogenetics Plasmids Find Chemogenetics Plasmids ...recombinase together with inducible Cre recombinase (CreERT2), visualizes individual neurons and their synapses...but share an overall structure of 13 base pair palindromic repeats separated by an 8 bp asymmetric core.... recombinase efficiency are important to keep in mind when deciding whether to use the Cre-lox or one ...compatible target sites are cleaved out, leaving behind a vector with the inverted DNA flanked by non-compatible...networks Double inverted vectors expressing light inducible ion channels (plasmid # 20298 for example) have...to fuse a mutant estrogen receptor (ER) ligand binding domain (LDB) to the C-terminus of FLP or Cre (pCAG-CreERT2...

... does inducible expression work? As mentioned above, many expression plasmids utilize inducible promoters...'inactive' until an inducer such as IPTG is added to the growth medium. Induction timing is important,...long to induce, your culture will start collecting dead cells, and, conversely, you cannot induce too early...compatible. An arabinose-inducible plasmid will not express in an IPTG induction strain for example, nor...engineered to accomodate high protein loads using inducible promoter systems (which will be discussed later...Features Genotype Use BL21 (DE3)   Basic IPTG-inducible strain containing T7 RNAP (DE3) F- ompT lon hsdSB...toxic proteins BL21-A1 Tetracycline Arabinose-inducible expression of T7 RNAP; IPTG may still be required...

... lower IREB2 binding enrichment compared to wild-type sequences and that loss of binding correlated with...with Split-BioID Find resources for studying chromatin Resources on Addgene.org Find Split-BioID plasmids...plasmids Find CRISPR plasmids for labeling genomic regions Find CRISPR plasmids for purifying specific genomic...characterization of RNA-protein interactions has lagged behind, likely due to limitations of current means to ...and allows a researcher to identify proteins that bind an RNA motif of interest in living cells. Challenges... has limited utility for identifying novel RNA-binding proteins that interact with an RNA of interest....distinguish between proteins that directly or indirectly interact with the bait. Also, RaPID can’t be ...

...antibodies to bind. We also know that changing the Fc domain can impact an antibody's binding affinity (Janda...express Fc receptors that bind to the Fc domain of an antigen-bound antibody and induce (or, in the case of ...interact with, so IgG isotypes bind to Fcγ receptors; IgE isotypes bind to Fcε receptors; and so on and...antibodies bind to a pathogen and natural killer (NK) cells expressing Fcγ receptors binds to IgG and ...know much about yet. Who knows what kinds of functions they may induce?  Fc receptors are intriguing from...system, including the innate immune response, by binding to Fc receptors on other immune cells. (psst! Need...Antibody-dependent complement deposition (ADCD) Antibodies can bind to a pathogen and physically prevent it from entering...

...(470nm), paCas9-1 induced indel mutations via NHEJ (frequency of 20.5%) and induced modifications by HDR...the light-inducible heterodimerizing cryptochrome 2 (CRY2) and calcium and integrin-binding protein 1 ...background and high fold-induction of Cas9 activity (16.4-fold). This paCas9-1 light-inducible system was able ...flanking the DNA-binding cleft of Cas9, the fluorescent domains dimerize and prevent DNA binding in the dark...Upon expression in the cell, the dCas9-CIB1 fusion binds to the target DNA sequence as directed by the guide...background activity in the dark state and highest fold induction at 31X. By using a slit pattern during blue light...domain VP64. Using this system in HEK293T cells to induce expression of human IL1RN, the researchers saw ...

...primer binding site, starting with a length of about 13 nt (Anzalone et al., 2019). Primer binding sites...designed to bind only after the edit is installed. This reduces concurrent nicks, which lowers indel rates ...the primer binding site (Nelson et al., 2022). PE7: This editor includes the fused RNA-binding protein La... of a CRISPR gRNA extended to include a primer binding site (PBS) complementary to the genome and a reverse...Starting lengths for optimizing your pegRNA primer binding site (PBS) and reverse transcriptase template (...), disrupting its canonical structure and Cas9 binding (Nishimasu et al., 2014). Figure 3: pegRNAs...while pegRNAs that use other bases in this location bind to Cas9 with canonical sgRNA structure (right). ...

...reinforced by the findings of the 1952 Hershey-Chase experiment. In the same year, Rosalind Franklin and her...The DNA-binding domain can be engineered to target specific DNA sequences while FokI then induces a double...resolved the DNA double helix. In the 1960s, Har Gobind Khorana, Marshall W. Nirenberg, and Robert W. Holley...2018) were highly successful in the box office, indicating the insatiable appetite of the moviegoers for... enzymes generated by fusing a zinc finger DNA-binding domain to a DNA-cleavage domain (FokI). Zinc finger... (TALENs) were engineered. TALENs follow a DNA-binding and DNA-cleaving strategy similar to the ZFNs, ...nucleotide triplets, the components recognize individual nucleotides. This imparts TALENs more specificity...

...oligos that bind with high affinity to small molecules to induce their fluorescence. Until a binding event ...nonspecific binding with RNA by about 7x). Mango fluoresces nearly as brightly as Spinach, but binds with much...small molecule are strongly fluorescent but the binding of an aptamer to its target small molecule activates... process used to evaluate oligonucleotides for binding affinity to a specific target, and the molecular...Broccoli and their derivatives are aptamers able to bind to a small molecule derivative of GFP called 3,5...Additionally, Spinach, the first aptamer identified to bind DFHBI, is highly unstable in vivo due to poor folding...naturally occurring regions in the 5’ UTR of mRNA that bind metabolites, leading to conformational changes that...

... - all without the need to find a llama farm! To find an optimally binding sybody, you want to start out...COVID-19. Researchers identified nanobodies that bind to coronavirus spike proteins (Wrapp et al., 2020...days and isolated special camelid antibodies that bind to the spike proteins in cell culture, and inhibit...small (12-15 kDa) single-domain proteins that can bind effectively to protein targets, similar to how antibodies... “arms” holding the highly variable regions that bind to specific antigens. In contrast, nanobodies are...of sybodies that hypothetically contain ones that bind strongly to your target protein. The Seeger lab ...corresponding to different amino acids) in the regions that bind to the antigen. The Seeger lab can directly provide...