We narrowed to 660 results for: SIM
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TypeBlog Post...absorb the excitation light less efficiently. Similarly, decreasing the power of the excitation light ...results in a loss of fluorescence, which, in its simplest form, can be described by a mono-exponential decay...intensity decay of a fluorophore does not follow a simple mono-exponential decay (Shaner et al, 2008; Bindels...
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Stabilized Bacterial Promoters: Constant Gene Expression at any Copy Number
TypeBlog Post...rate as compared to a constitutive promoter. To simulate the increase in plasmid copy number during the...expression from the constitutive promoter did not. Similar levels of expression between a plasmid and the ...stabilized promoter, deoxychromoviridans titers were similar regardless of where the genes were expressed. What... -
Hot Plasmids - March 2019 - Anti-CRISPR, 2in1 Cloning, Fluorescent Voltage Indicators, and Photoswitchable Proteins
TypeBlog Post...cloning system - a Gateway compatible approach to simultaneously clone two genes-of-interest (GOI) into two ... on a single plasmid (Grefen and Blatt, 2012). Similar to traditional Gateway™ cloning, the GOI first ...the mitochondria, because cPYP binds to BoPD. A similar set of newly identified light- and dark- binder... -
Reproducibility for Everyone: Lessons from an Open Science Collaboration
TypeBlog Post...organizations with similar ideas who were also thinking about reproducibility and shared similar desires to take...talented and motivated groups and individuals with similar ideas to actually do something about it. Building... -
Plasmids 101: The Wide World of Natural Plasmids
TypeBlog Post...by daughter cells during cellular reproduction, similar to the host’s chromosome, or they can spread between...plasmids likely have undiscovered functions, many are simply genetic parasites. Cryptic plasmids tend to be ... R., Sailland, A., Auriol, P., Vogel, T. M., & Simonet, P. (2001). Laboratory-scale evidence for lightning-mediated... -
Making CRISPR Plasmids Using Fragmid
TypeBlog Post... components. Using the handy website, users can simply select the components they want for each module...license. Once you have the components you want, simply assemble them into a destination vector via Golden...summary on the Fragmid website. Step 3 is simply a review of the assembled plasmid. It shows you... -
Viral Vectors 101: Calcium Sensors
TypeBlog Post...CEPIA (additional versions are available to simultaneously measure calcium changes in the ER, cytosol ...single fluorescent protein (FP), requiring only a simple measurement. However, single wavelength measurements...fluorescence to a red fluorescent state only by simultaneous (1) user-controlled illumination with violet... -
Mouse Modeling, Part 1: Genetically Engineered Mice
TypeBlog Post... a way to track successfully engineered cells. Similar to transgenic mice, knockout mice are engineered...off-target effects on regions of the genome with similar homology to the site of interest or create mosaic...recombination of floxed sites in the cell can occur. Similar systems include tetracycline or doxycycline mediated... -
Corralling and Cornering the Goldilocks Antibody
TypeBlog Post...same target to see if the results are the same/similar, emphasizing the antibody’s specificity. Strength...from the background noise. If the sample images similarly to the negative control, that informs us that ...doi.org/10.1038/518027a Freedman LP, Cockburn IM, Simcoe TS (2015) The Economics of Reproducibility in Preclinical... -
Plasmids 101: Terminators and PolyA signals
TypeBlog Post...secondary structure to induce transcript cleavage, similar to the Rho-independent termination found in prokaryotes...terminate transcription. Polymerase I uses a process similar to the prokaryotic Rho-dependent mechanism, whereas...Definition of the upstream efficiency element of the simian virus 40 late polyadenylation signal by using in... -
Degrading DNA with Cascade-Cas3
TypeBlog Post...perform its helicase and nuclease functions simultaneously, by continuously unraveling dsDNA, pulling ...reeling of ssDNA and unwinding of dsDNA occur simultaneously, which creates a loop in the target strand ...is not as well understood but likely occurs in similar regions. This combination of chewing up one stand... -
Truncated gRNAs for Regulating Gene Expression
TypeBlog Post...bioengineering, as it has facilitated the development of a simple and scalable means of making targeted genetic edits...for instance, the challenge of attempting to simultaneously and selectively induce both cutting and regulation... targeting a different set of loci to induce simultaneous cutting and transcriptional activation or repression... -
Multiplexed Capture of Promoter-enhancer 3D Chromatin Structures Using CRISPR
TypeBlog Post...biotinylated by BirA. From here, the CAPTURE method is similar to other 3C methods: crosslinking captures chromatin...well-characterized beta globin locus. The two methods had similar rates of specificity for the DNA sequence targeted...multiplexing and high resolution allowed the Xu Lab to simultaneously characterize the ‘social networks’ of 157 super... -
Academic vs. Industry Postdocs
TypeBlog Post... Where publication is expected, the process is similar to academia. The only difference is that your paper...postdocs and do not support or manage them well are simply no longer allowed to have postdocs. In academia...could be laid off while you’re there. Of course, similarly, an academic advisor could also lose their funding... -
Starter guide to induced pluripotent stem cells (iPSCs) part 1: A renaissance in regenerative medicine
TypeBlog Post...also possess similar morphologies, growth properties, and express stem cell markers similar to ESCs [11...11]. While iPSCs and ESCs have similar functional utility, iPSCs bypass the transplantation compatibility... -
Addgene's Cancer Collection Pages Connect the Research Community
TypeBlog Post...the accelerator of a vehicle being stuck down. Similarly, a mutation that turns a tumor suppressor “off...cell to undergo programmed cell death while simultaneously stimulating growth and division. The combined...pathway. Its major appeal is that it enables the simple construction of vectors to study the function of... -
Viral Vectors 101: The Retroviral Lifecycle
TypeBlog Post... we will mostly use the gamma-retroviruses as a simple spokesmodel for the whole family; however, you ...polymerase gene may seem like a mystery. But it’s simple. The RT protein is made by a separate set of instructions... a tool is done, and the transgenic genome will simply express from whatever promoters were included in... -
AAVs CREATed for Gene Delivery to the CNS and PNS
TypeBlog Post...increase transduction efficiency, none allow for simple and efficient transduction of both the CNS and ... not lost in a jumble of fluorescent neurons. A simple but flawed approach to multi-color labeling is ...PubMed PMID: 28671695. 2. Deverman BE, Pravdo PL, Simpson BP, et al. Cre-dependent selection yields AAV variants... -
MXS Chaining
TypeBlog Post...constructs robustly, quickly, and simply. We hope that you can similarly apply MXS chaining to your experimental...Well suited for the modular assembly of highly similar or repetitive sequences. Intermediate chaining ... -
Plasmids 101: Secondary Nanobody Toolbox
TypeBlog Post...Nanobodies can be labeled with up to 3 dyes, yielding similar signal strength to a standard IgG secondary antibody...two-step staining with antibodies. Nanobodies also simplify multicolor staining experiments because they don...with this multi-color staining workflow yields similar localization patterns as cells stained for one ...