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...examples I’m personally interested in include: intracranial self-stimulation (ICSS) and place preference...(viral expression, efficiency of laser light transmission to the target neurons, appropriate stimulation...optogenetics is performed in this species. However, transgenic rat technology is improving and may one day reach... reach the sophistication of mouse transgenics. Everything that has been described is intended for the...References 1. Stuber, Garret D., et al. "Excitatory transmission from the amygdala to nucleus accumbens facilitates...

...supporting datasets must be logically annotated and arranged, as in an actual publication and not require interaction...responsible for storage.  If datasets are too large to transfer to a journal repository, they are likely too large...albeit unintentional, tendency to work against transparency. This opens science to charges of elitism and...opportunities for research as well as increasing transparency. Thank you to our guest blogger! Jim Woodgett...Will Pay for Public Access to Research Data? - by Francine Berman and Vint Cerf (Science, August 2013) PLOS...

...generating long overhangs which allows the single stranded regions with homology to anneal a polymerase, ...hour or so, the sample is immediately ready to transform into competent cells. The master mix of enzymes...Gibson assembly master mix for 1 hour, and then transform into competent cells. The success rate of this...if the ends of the fragments have stable single stranded DNA secondary structure, such as a hairpin or ...would directly compete with the required single-stranded annealing and priming of neighboring assembly ...

...strong transcriptional terminator BBa_B1002 (from IGEM) upstream of the MCS to reduce transcriptional readthrough...rely on exogenous enzymes, require multiple transformation and plasmid curing steps, and can generate ...worked too. Rhamnose induction relies on the transcriptional activator rhaS. To allow manipulation of bacteria...Anirudh S. Channarasappa, and Howard M. Salis. "Translation rate is controlled by coupled trade-offs between...

...software in order to generate signals in a reasonable range. If colleagues in your group already have experience...experimentally-specific gates. Two-dimensional staining (quadrant gating) For our last example plot, I will show...cells (CD8+) from dendritic cells (CD11b+) using a quadrant gate. Within my “lymphocyte + single cell + live... two stains in relation to each other. Using a quadrant gate, I can divide my cell population into DN,...for each stain respectively). (B) Instead of a quadrant gate, I am free to use multiple individual gates...

...across samples and equal protein transfer from the gel to the membrane. A loading control is critical for...identically, used to assess naturally occurring random biological variability. If one were studying the...purple) and nonspecifically through the Fc region (orange). The Preimmune serum control will not bind to .... Always probe the loading control on the same membrane that the target protein was measured on.    Flow...

...the department? Are they successful at getting grants and funding? Beware of bullying Your mental health...careers?    Will you be encouraged to develop transferable skills by attending career events or being involved...your aspiration? Will you help or at least observe grant writing? Get equipment quotes? Understand administrative...consider less expensive, portable areas of research (transgenic mice—out, zebra fish—in) Team attitude vs. dog...resources on the Addgene blog Check out our transferable skills guide Learn about careers in science ...

..., and effective for wide range of mycoplasma. These methods cannot guarantee complete removal of mycoplasma...the media after autoclaving hence, there is no assurance of the serum being contamination free. The aerosols...commonly infecting mycoplasmas are used. A broad range of primers encompasses almost all the infecting ...filters, for media filtration. There is no 100% assurance that this process can avoid contamination but ...

... have a specific mutation in mind. Generating a random library of mutants using error-prone PCR might ...metal cofactor and the dNTP ratio. The resulting random errors can give you new and unexpected sequences...a DNase. Then you run a PCR without primers to randomly anneal and extend the DNA fragments, followed ... have a full-length antibody sequence, but with random combinations of the different sections. Structure-guided...acs.chemrev.1c00260 Wilson, D. S., & Keefe, A. D. (2000). Random mutagenesis by PCR. Current Protocols in Molecular...

...Find the anti-CRISPR plasmids Tagging human transcription factors with GFP Kevin White’s lab recently ...deposited a set of CRISPR plasmids to tag human transcription factors with GFP. As part of the Encyclopedia...these donor plasmids will help researchers map transcription factor localization and binding via ChiP-seq...ChiP-seq. Learn more about ENCODE Find the transcription factor tagging plasmids If you have a new CRISPR...

...collaborates with NIH-funded researchers and utilizes grants to support our own initiatives, Addgene is deeply...developments. These abrupt changes threaten to slow transformative biological discoveries and life-saving medical...archiving their biological materials during funding transitions. Enabling resource sharing: Our operating model...services can be listed as direct costs from a CRO in grant applications, addressing the new funding structures...

...and packaging plasmids as well as transfer plasmids. Download the orange lentivirus background.         ...our fluorescent protein background. Download the orange fluorescent protein background.           Did...px or 1080 px).         Do you do a lot of transformations with the plasmids you receive from Addgene?...

...PGC-1a1, a transcriptional coactivator induced in skeletal muscle by exercise and endurance, protects ...have reported a mechanism based on studies of transgenic mice that helps to explain how it works. The ... skeletal muscle expression of kynurenine aminotransferases, to enhance the conversion of kynurenine into...

...weight by SDS-PAGE, and are subsequently transferred to a membrane. A primary antibody recognizing the protein...is added, and will bind to that protein on the membrane. Then, addition of a secondary antibody allows...showing GFP expression in cells that have been transfected with a plasmid encoding GFP. Actin, a common ...bind to proteins on the cell surface, or the cell membrane can be permeabilized to allow antibodies to bind...

.... Plasmids 101: Transformation, Transduction, Bacterial Conjugation, and Transfection by Alyssa Cecchetelli...editing. Using a fusion between Cas9 and reverse transcriptase and a prime editing guide RNA, it can introduce...

...fluorescent tags in neurons. Their toolkit named ORANGE (Open Resource for the Application of Neuronal ...in neurons.  Read the paper in bioRxiv Find the ORANGE toolkit   Cas9/gRNA ribonucleoprotein delivery...delivery by lentiviral capsid-based bionanoparticle Transient expression of CRISPR/Cas9 in cells has advantages...for packaging Cas9/gRNA ribonucleoproteins for transient expression. They replaced the tetraloop of the...

...at Addgene, and send random sets of 4 people out to lunch.   I think these random lunches would be a wonderful...-make-time-for-that” type projects. Cross-team “Random Lunches” With more employees, Addgene has naturally...Kamens, responded by starting something we call “Random Lunches.” Once or twice a year, she’ll mix up the...

...B) Strategy for leak-free transcriptional control. C) Iterative transduction workflow overview. Image ... by integrating a SL-insensitive fluorophore (LSSmOrange) as an internal control and a SL-sensitive fluorophore...fluorescent biosensor has a high sensitivity (50 nM-500nM range) and a high specificity for SLs in vitro, and they...

...). G. stearothermophilus grows at temperatures ranging from 30-74 °C, with an optimal growth temperature...or G) Spacer Length 20 nt 22 nt Temperature Range for Optimal Activity 35 - 45 °C 50 - 70 °C Genome...were incubated in reaction buffer at temperatures ranging from 25-80 °C. Activity is expressed as Kcleave...Harrington et al tested GeoCas9’s editing skills by transfecting HEK293 cells with GeoCas9 or SpCas9 RNP’s and...

...scientists and technology transfer offices trust us to work for them with full transparency. We don’t have to ...resources continuously raising money from donations or grants to fulfill their mission. Addgene is fortunate ...Natashia, Nicole, Olivia, Pamela, Racheal, Ramsey, Randall, Ray, Rebecca, Renee, Shannon, Susanna, Tenisha...