... vector team is publishing research, hosting conferences, and are expanding our catalog of materials to...appearance and functionality are happening and this strengthens our image in the world. Addgene is now as much...practices and benefits and these are making a difference. We serve scientists around the globe and our...Thanks to all the Addgenies and congratulations to current and alumni Addgenies on our success. Thanks to ...

...extra care when performing RNA extraction. RNA is inherently not as stable as DNA- it is single stranded and...ultracentrifuge.  Figure 1: An outline of the different steps in RNA extraction. Researchers at the... Reagent®, RNAzol®, QIAzol®  and sold by many different companies). TRIzol® is an all-in-one acid-guanidinium-phenol... ensure DNA contamination is not an issue.  References                 Allewell NM, Sama A (1974) The...

...mammalian systems has been in question. Three different labs have recently published work that provides... gene activation  and base editing, whereas a different set of mutations (the “V3.1” version) works best...miniature Cas system that utilizes a Cas12f from a different species, Acidibacillus sulfuroxidans, AsCas12f1...of up to 10kb but it is also capable of coding concurrent small insertions to allow in-frame deletions ...

...sixty seconds of silence–but it was thorough and coherent.  To be honest, if my paper hadn’t been ridiculously...to stop talking until I could present something coherent or to quickly string together all the words that...screeching feedback. You’re muted on Zoom. Your video conferencing software freezes and then crashes. You’re muted... a clear, informative presentation, speak at conferences, or even just provide quick updates during a ...

...if you need a very pure sample. Because binding strength is proportional to the length of the tag, with...Antibodies.) Unfortunately, for some proteins there just aren’t any good antibodies available. In these cases, ...antibody posts from our blog!  Resources and References  Resources on addgene.org Addgene Antibody Guide...ChIP Antibodies 101: Introduction to Antibodies References Hochuli E, Bannwarth W, Döbeli H, Gentz R and...

...experiment moving. Happy editing! References and Resources References Hendel, A., Bak, R., Clark, J. et...talk about their precious RNA samples. RNA is inherently less stable than most macromolecules used in ...region of the gRNA. These gRNAs can be cleaved and rendered useless after less than a minute of exposure to...

...the target strand and the gRNA. Created with BioRender.com. To decrease the electropositivity of the...mutations). Although the precise mutations were different than those found in eSpCas9, the effect on specificity...and/or therapeutic settings. Will combining the different mutations found in each of these great tools further...continued improvements in genome engineering! References 1. Slaymaker, Ian M., et al. "Rationally engineered...

...scientific manuscript will require numerous other references to scientific literature to substantiate the ...literature related to the topic. Finding reliable references and sorting out what they mean is no small task...focus in on a particular conclusion. Many papers aren’t always written this way and there is a greater ...inspiration and accountability. There are a few different ways to automate the process as well. Sign up ...

... one. As a starting point, I would recommend conferences like Lab Robotic Interest Group (LRIG). There...customizability. It has a large deck that can house many different types of devices. As long as a device fits on ... Software for Biology Tips from the Repository Trenches: Using Barcodes to Track Samples Resources at...video library Check out our molecular biology reference pages ...

...CRISPR experiment. Happy cloning! References and Resources References McGee, A. V., Liu, Y. V., Griffith...chosen because of their broad applicability in different model systems. What’s the error rate? The Doench...Table 1 has a list of Fragmid destination vectors currently available. Table 1: Fragmid destination vectors...

... we haven’t even imagined yet. References and Resources References Andrews NP, Boeckman JX, Manning ...consist of a mixture of antibodies recognizing many different epitopes. (Middle) Monoclonal antibodies produced... Trimmer JS, Görnemann J, Glanville J, Wolf P, Frenzel A, Wong J, Koh XY, Eng H-Y, Lane D, Lefranc M-P...

... recombinase/photodimer pairs. Created with BioRender.com In their recent ACS Synthetic Biology publication...fold more photostable and as bright to mVenus, the parent YFP, and is the most photostable YFP to date. As...and reduced RNA-off target footprint compared to current N-terminal linked SaCas9 ABE variants. It's also...specific tight affinity glutamate sensor from the Loren Looger Lab now available in AAV1. Get GFAP.SF-iGluSnFR.A184S-AAV1...

...without permanently altering the DNA, CRISPR interference (CRISPRi) and CRISPR activation (CRISPRa) are...study ncRNA, CRISPR systems offer a number of different options. By carefully considering your ncRNA of... you more about its function.  Resources and references Resources on addgene.org Addgene's CRISPR Guide... CRISPR enzymes for transcriptome engineering References Jinek M, Chylinski K, Fonfara I, Hauer M, Doudna...

...options as well as the benefits and drawbacks of different methods (for comprehensive protocols for all of...used in the transfection; if preparing several different lentiviruses in parallel, this approach should...that standard conditions be used when comparing different batches of virus. In addition, some viral preps...step of a successful transduction experiment. References 1. Kutner, Robert H., Xian-Yang Zhang, and Jakob...

...Also, keep all liquid containers closed when they aren’t in immediate use. This will prevent spills, but...could change their growth rates and morphology, rendering their continued use inadvisable for experiments...in a lab where multiple people are working on different things, this will help you avoid cross-contamination... Immunology. You can find Sana on LinkedIn.   References 1. Yin, R., et al. "Gene expression profiling...

...species, like S. aureus and N. meningitidis require different PAM sites than SpCas9, in this case, NNGRRT and...single PAM recognition. Created with BioRender.com. After 24 days of phage propagation, Hu ...percentages, with fold changes compared to SpCas9 in parentheses. The development of xCas9 3.6 and 3.7 shows ...is working for you in the comments section! References Hu, Johnny H., et al. "Evolved Cas9 variants ...

...chromoprotein and how is it different from fluorescent proteins? Before going into the difference between chromoproteins...research Read our Molecular Biology Reference Find plasmids for FRET References Blanquet RS, Phelan MA (1987...

...you can make an informed choice! References and Resources References Bondeson, D.P., Mullin-Bernstein,...are titratable. With these tags, protein levels aren’t limited to ‘on’ and ‘off’; varied levels of drug...profile their effectiveness with over a dozen different proteins. In the end, you can’t predict with absolute...

... Let it incubate Check the bacterial strain Differences between E. coli host strains can impact plasmid...might want to include an extra wash step or use a different strain. For most applications, Addgene uses and...inadequate plasmid DNA yields. Why would volume make a difference? In the simplest of terms, more volume = more...conditions play a critical role in plasmid DNA yield. Different plasmids and strains will vary in their optimal...

... ever found yourself bamboozled by all of the different kinds of information on our plasmid pages? Well...depositing lab, although you may have an entirely different use in mind! This section of our plasmid pages... you to use in your Materials and Methods and References sections when citing the use of your colleague...e.g. if it was derived from a plasmid made in a different lab - or one obtained from Addgene!).  It also...