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TypeBlog PostPublishedApril 20, 2017, 2:30 p.m....way. Many thanks to our guest bloggers, Samantha Zyontz and Neil Thompson. Special thanks to Addgenies...
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The Crispr Babies Saga Shows the Need for Action, Not More Delays
TypeBlog PostPublishedDec. 20, 2018, 1:15 p.m....gene-edited babies. Several hours later, the scientist, Jiankiu He, confirmed that two such edited babies were ...the necessary discussions and actions now. Many thanks to our guest blogger, Kelly Hills! Kelly Hills... -
5 Great Apps for Lab Life
TypeBlog PostPublishedSept. 22, 2016, 2:30 p.m....paper lab notebooks you’re saving trees! The Earth thanks you. 2. Gibco Cell Culture by Gibco Whenever I ...please share it in the comments section below! Many thanks to our guest blogger Sean Stacey! Sean D. Stacey... -
Antibodies 101: Buffers, Storage, and Conjugates
TypeBlog PostPublishedFeb. 1, 2022, 2:15 p.m....buffer, which will be noted on the product sheet. Thankfully, sodium azide can easily be removed from the ...complex subjects in antibody-based protocols - but thankfully this is an Antibody 101 post, so we'll keep it... -
Sharing is Caring: But How to Distribute Open Hardware?
TypeBlog PostPublishedFeb. 28, 2023, 2:15 p.m....Through this approach, the Planktoscope, a portable device for studying plankton using flow cells, has become... -
Developing a cold tolerant E. coli using specialized chaperones
TypeBlog PostPublishedJan. 28, 2020, 2:35 p.m....isolated from Oleispira antarctica, and the P. haloplanktis Trigger Factor), that would allow the stable...wiki or contact us at [email protected]. Many thanks to our guest blogger Sreepadmanabh M from IISER... -
Behind the scenes: Addgene’s new search engine and more
TypeBlog PostPublishedDec. 12, 2019, 2:22 p.m....multidisciplinary effort and cross-team collaboration (thanks to all Addgenies involved). The new homepage and...example, matches of a name in the depositor field will rank higher than matches of the same name in the publication... -
15 Years of Addgene: The Top 15 Plasmids
TypeBlog PostPublishedJan. 8, 2019, 1:54 p.m....Find pSpCas9(BB)-2A-Puro (PX459). Thank you! We would like to thank all of our depositors and requestors... -
Dos & Don'ts When Publishing a Scientific Manuscript
TypeBlog PostPublishedMay 22, 2014, 4:02 p.m....authors are asked to add an identifier (a bit like a GenBank ID) to all antibodies, animal models, and software...publishing your manuscript, or add your own tips below. Thank You to Our Guest Blogger! Maaike Pols is a Developmental... -
Summer SciComm Series: Cognitive Load
TypeBlog PostPublishedJune 16, 2022, 1:15 p.m.... provide detailed evidence of knowledge new to mankind. And you probably understand how much faster it...communicate. It’s okay (and encouraged) to leave blank spaces or to gloss over some aspects when needed... -
Transferable Skills Guide: Public Speaking
TypeBlog PostPublishedApril 20, 2023, 4 p.m.... lost in a sea of data, my mind went completely blank. After several seconds of truly panicked silence... so they could understand it. When my mind went blank, my options were to stop talking until I could present... -
To Each HIS Own
TypeBlog PostPublishedMarch 2, 2023, 2:15 p.m....and can elute proteins with up to 95% purity (Janknecht 1991, Hochuli 1988). In this purification approach...Adsorbent. Bio/Technology. 1988; 6: 1321–1325. Janknecht R, de Martynoff G, Lou J, Hipskind RA, Nordheim... -
CRISPR 101: Cas9 vs. The Other Cas(s)
TypeBlog PostPublishedDec. 8, 2022, 2:15 p.m....editing. Fast facts – PAM requirement: protospacer flanking sequence – A, U, or C. Best for: targeting single...use. Fast facts – PAM requirement: protospacer flanking sequence – none. Best for: targeting single stranded... -
New Tool for Lineage Tracing: The ClonTracer Library
TypeBlog PostPublishedSept. 22, 2015, 2:30 p.m....library was developed when Carrie was a post-doc in Frank Stegmeier’s lab in Novartis Oncology. Bhang did...ways you put the ClonTracer library to use! Many thanks to Carrie and Novartis for taking the time to talk... -
A Guide to Designing a Scientific Poster: Content, Layout, and More
TypeBlog PostPublishedOct. 22, 2019, 12:20 p.m....majority of the visual data. This central box is then flanked by two equally-sized columns, where the introduction...sections like the introduction, methods, and figures flank the central region, and a scannable barcode is included... -
Mouse Modeling, Part 1: Genetically Engineered Mice
TypeBlog PostPublishedJuly 11, 2019, 1:26 p.m....site within the genome using homology arms that flank the gene of interest. In either case, a positive... sites are inserted directly into the genome to flank the gene that will be deleted following Cre-mediated... -
Plasmids for Endogenous Gene Tagging in Human Cells
TypeBlog PostPublishedApril 6, 2017, 1:02 p.m....whole segment—a GFP tag and 1kb of homologous DNA flanking both sides (about 2.7kb total)—is inserted into... use genomic tagging in your experiments. Many thanks to our guest bloggers from the Allen Institute ... -
Quickest Way to Deposit Plasmids: The Deposit Spreadsheet
TypeBlog PostPublishedMarch 8, 2017, 3:15 p.m....Plasmid sequences or GenBank files. We encourage submission of QUEEN-generated GenBank files (Mori and Yachie... -
CRISPR in the Clinic
TypeBlog PostPublishedNov. 2, 2023, 1:15 p.m....isolated from two patients with cystic fibrosis (Schwank et al). They were able to demonstrate functional...Cas9." Cell Stem Cell. 13, 659-662 (2013). Gerald Schwank et al. "Functional Repair of CFTR by CRISPR/Cas9... -
Design Tips for Prime Editing
TypeBlog PostPublishedJan. 23, 2025, 2:15 p.m..... J., Hussmann, J. A., Yan, J., Knipping, F., Ravisankar, P., Chen, P.-F., Chen, C., Nelson, J. W., Newby...j.cell.2014.02.001 Yan, J., Oyler-Castrillo, P., Ravisankar, P., Ward, C. C., Levesque, S., Jing, Y., Simpson... -
The Materials Science of Optogenetics Experiments
TypeBlog PostPublishedSept. 17, 2015, 2:30 p.m....deliver light pulses to the target brain region. Thankfully, due to their prominence, the preparation of ...performing optogenetics behavioral experiments. Thank you to our guest blogger Derek Simon! Derek P.... -
Story of a SynBio Startup: RevBio's Epiphany (or Lack Thereof)
TypeBlog PostPublishedJune 5, 2014, 3:32 p.m....at this business and started things up for real: bank account, business cards, incorporation, laboratory...this transition (so far) and what we’ve learned. Thank you to our guest bloggers! Nikolai Braun grew up... -
Mobile-CRISPRi: Bringing CRISPRi to Diverse Bacteria
TypeBlog PostPublishedApril 4, 2019, 12:53 p.m....plasmid that contains the Mobile CRISPRi cassette flanked by left and right Tn7 end sequences. Donor bacteria...in the recipient cell, the CRISPRi DNA (purple) flanked by left and right Tn7 end sequences (green) integrates... -
10 Basic tips for mammalian cell culture
TypeBlog PostPublishedJuly 12, 2018, 1:09 p.m.... spent organizing, an hour is earned (Benjamin Franklin)! It’s good practice to label your plates and/...autoclaved before being disposed Happy culturing! Many thanks to our guest blogger, Sana Khan Khilji! Sana Khan... -
Viral Vectors 101: Voltage Indicators
TypeBlog PostPublishedJan. 30, 2024, 2:15 p.m....transmitting and sensing electrical potential. Thankfully, there is a tool to measure these electrical ...specific types of cells, such as neuron subtypes, thanks to viral serotype specificity during delivery (... -
Degrading DNA with Cascade-Cas3
TypeBlog PostPublishedFeb. 11, 2025, 2:15 p.m....alterations are achieved through DNA degradation, thanks to the unique capabilities of Cas3 and its partner...CRISPR type I-E. Created with BioRender.com. Thanks to this complex, developing Cas3 tools has been... -
Twenty Years of Addgene Sharing: CRISPR
TypeBlog PostPublishedApril 18, 2024, 1:15 p.m....because of our CRISPR depositors and requestors. Thank you! Want to dive deeper into Addgene’s CRISPR ... The CRISPR Journal (Pyhtila et al., 2023). Our thanks to Rodolphe Barrangou for his authorial contributions... -
Fluorescent Tagging of Endogenous Genes with SapTrap
TypeBlog PostPublishedOct. 12, 2017, 2:26 p.m....cells. These plasmids use fluorescent proteins flanked by long regions of homology to the gene of interest...and protein-protein interactions. Additionally, thanks to the modular arrangement of vectors included ... -
PhD Applications After COVID
TypeBlog PostPublishedJan. 5, 2023, 2:15 p.m....provide them with a CV or transcripts if requested Thank them, and eagerly await a reply. It’s a good idea...interest. Benefits of Online and Hybrid Options Thanks to the much more developed virtual environment ... -
Golden Gate Assembly Upgrades: More Fragments, Faster Assembly, and Higher Fidelity
TypeBlog PostPublishedOct. 11, 2018, 12:30 p.m....precloned or in amplicon form (shown above) are flanked by BsaI sites in an orientation that results in...additional efforts to push the technique forward. Many thanks to our guest bloggers Becky Kucera, M.Sc. and Eric... -
Anatomy of a Plasmid Page at Addgene
TypeBlog PostPublishedFeb. 4, 2016, 3:30 p.m....depositors to provide plasmid maps whenever possible. GenBank files can also be uploaded onto our plasmid pages... resources provided by the depositor including genbank files and protocols here. Articles Citing this ... -
Light Sheet Fluorescence Microscopy
TypeBlog PostPublishedJuly 16, 2015, 2:30 p.m....green fluorescent protein (GFP) (6). The Dodt and Frank Bradke laboratories later developed the 3DISCO (... system under normal and diseased conditions. Thank you to our guest bloggers, Jae Lee and Pantelis ... -
Transgenic Organisms, Cas9 Gene Drives, and Appropriate Safeguards
TypeBlog PostPublishedMay 22, 2015, 4:58 p.m....and single guide RNAs (sgRNAs) with appropriate flanking homology into a germline cell can create an RNA-guided...drives can be found in the referenced publications. Thank you to our guest blogger! An inventor of technologies... -
SciComm: Taking Science to Elementary and Middle Schools
TypeBlog PostPublishedJuly 9, 2019, 12:52 p.m....know how it goes! Acknowledgements: I’d like to thank the PTA of Butler Elementary for trusting me with...with Math & Science Night, and a special thanks to Joanne Marks, Jonathan Marks, and Vanessa Bullard of... -
Viral Vectors 101: The Retroviral Lifecycle
TypeBlog PostPublishedJuly 27, 2023, 1:15 p.m....capsid, as the engineered, recombinant genome is (thankfully) gutted of many essential viral genes. How it...blog was written by Addgenie Brian O'Neill, with thanks to Addgenie Rebecca Hutcheson for her assistance... -
Better Dyeing Through Chemistry & Small Molecule Fluorophores
TypeBlog PostPublishedSept. 8, 2016, 2:30 p.m....Acknowledgements I thank Brett Mensh, a wordsmith soldier of fortune, for helpful comments. Many thanks to our guest... -
Lentiviral Vector Uses and Overview
TypeBlog PostPublishedMay 19, 2016, 2:30 p.m....transfer plasmid encoded the desired transgene flanked by HIV-1 long terminal repeats (LTRs) that facilitate...Bernaudin F, Girot R, Dorazio R, Mulder GJ, Polack A, Bank A, Soulier J, Larghero J, Kabbara N, Dalle B, Gourmel... -
Plasmids 101: Colony PCR
TypeBlog PostPublishedMay 12, 2016, 2:30 p.m....These primers are designed to anneal to sites that flank the insert site. A positive clone will produce a...this type of primer pair anneals to a sequence flanking the insert and one primer anneals to the insert... -
Minigenomes - a Safe Way to Study Dangerous Viruses Like the Ebola Virus
TypeBlog PostPublishedMarch 17, 2016, 2:30 p.m....The EBOV genome contains seven viral genes, each flanked by a transcription start signal sequence (gene ...reporter gene (e.g. firefly luciferase or eGFP) flanked by the EBOV-specific gene start and gene end sequences... -
Plasmids 101: Protein tags
TypeBlog PostPublishedDec. 11, 2014, 4:26 p.m....in-vivo biotinylation signaling peptide (Bio), flanked by hexahistidine motifs (6xHis) MBP Large Protein...Expression Vectors from the Berkeley QB3 MacroLab Eric thanks his wife, Annette Sievers, Ph.D., for her tips ... -
The PAM Requirement and Expanding CRISPR Beyond SpCas9
TypeBlog PostPublishedAug. 20, 2020, 2:30 p.m....Cas13 enzymes require a single base protospacer flanking sequence (PFS) adjacent to the target, but many...018-1591-1 Cox DBT, Gootenberg JS, Abudayyeh OO, Franklin B, Kellner MJ, Joung J, Zhang F (2017) RNA editing... -
Bioinformatics at Addgene
TypeBlog PostPublishedJuly 14, 2022, 1:15 p.m....large formats, such as 96-well microplates, and thanks to our dedicated product and development teams,... shared resource of pipelines for genomic data. Thanks to the flexibility inherent in Nextflow’s design... -
What's Your Organism? Expanding Genomic Tools via the NSF EDGE Program
TypeBlog PostPublishedMay 2, 2019, 12:41 p.m....was easy to harvest eggs and sperm, mix them in a tank, and observe the beauty of embryo development in...fluorescent proteins. This lab has created an automated tank for feeding and maintenance that had the audience... -
Designing Your Chalk Talk for the Academic Job Interview
TypeBlog PostPublishedMarch 12, 2019, 1:37 p.m....possible facing the committee and not the whiteboard. Thank everyone for the opportunity to share your research...the opportunity to realize your vision. Many thanks to our guest blogger, Erik Snapp! Erik Lee Snapp... -
Supporting Reproducibility with a Connected ELN
TypeBlog PostPublishedJan. 17, 2019, 1:38 p.m...., One Drive, and G Drive. ‘Big’ data like image banks and sequencing files is likely stored in institutional...reproducibility as not all ELNs are created equal. Many thanks to our guest blogger, Rory Macneil! Rory is founder... -
Hot Plasmids: Fall 2024
TypeBlog PostPublishedNov. 21, 2024, 1:30 p.m....GKPIPNPLLGLDST) has been used as a tag since 1992 (Hanke et al., 1992), and has proven itself a versatile...Report, https://doi.org/10.57733/addgene.l0ulu4. Hanke, T., Szawlowski, P., & Randall, R. E. (1992). Construction... -
Binning Singletons: Tackling Conference Networking When You Don’t Know Anyone
TypeBlog PostPublishedFeb. 18, 2020, 2:15 p.m....members. Shoutout to our mentors and supporters Thanks to Dr. Amanda L. Gunn and Dr. Denise M. Akob for...anyone I’ve inadvertently left off this list. Many thanks to our guest blogger Joe James from Binning Singletons... -
Bacterial Toxin-antitoxin Systems as Molecular Biology Tools
TypeBlog PostPublishedNov. 1, 2018, 12:35 p.m....resistance (Figure 2). This MazF-ZeoR cassette is flanked by two direct repeats which can be used for marker...through a second recombination event between the two flanking repeats. In cells where recombination has not ... -
Antibiotic Resistance: An Old Solution but a New Problem
TypeBlog PostPublishedNov. 10, 2016, 3:30 p.m....Your friends, family, and physicians will thank you! Many thanks to our Guest Blogger, Jennifer Rivers! ... -
Changing Labor Laws Bring Increased Postdoc Wages
TypeBlog PostPublishedOct. 25, 2016, 2:30 p.m....postdocs in the final ruling was, for a lot of us, frankly quite surprising. Consortia of higher education... changes if we wish to minimize the hurt. Many thanks to our guest blogger Gary McDowell! Gary S. McDowell...