We narrowed to 688 results for: Tec
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TypeBlog PostPublishedMay 18, 2021, 1:15 p.m.... Novel protein cage provides simple enzyme protection in yeast bioproduction pathways By Gabrielle ...(MPyV VLPs ). This artificial nanoparticle can protect proteins from unfavorable interactions in the cell...pathway (myo-inositol oxygenase), providing enzyme protection while still allowing substrates and products ...system provides a simple, efficient method for protecting a single enzyme that drives biosynthetic pathways...
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AAV Vector Quality Control: Going the Extra Mile with NGS
TypeBlog PostPublishedSept. 12, 2017, 1:44 p.m....sequencing capabilities and Seqwell’s plexWell technology, we can now perform NGS at Addgene to sequence... we mixed into the original AAV sample at 5%. Detecting 5% contamination is a good start, but to determine..., with a high enough sequencing depth, we could detect contamination as low as 0.1% (Guerin et al., 2020...perform a deeper analysis of the data. Our serotype detection software confirms the serotype of the prep by ... -
Plasmids 101: Knockout/Knock-In Plasmids
TypeBlog PostPublishedDec. 1, 2016, 3:30 p.m.... low, ranging from undetectable to 0.1%. In contrast, new genome editing techniques such as CRISPR are...the endogenous gene. Here, we'll describe the techniques and the plasmids used to inactivate specific ...specifically with a gRNA). Be sure to keep these techniques in mind when choosing a knockout strategy! Knockout... -
Plasmids 101: 5 factors to help you choose the right cloning method
TypeBlog PostPublishedAug. 21, 2018, 12:31 p.m....many labs still love using them! With so many technologies currently available, you now face the challenge...Alternatively, you might consider Gibson cloning. In this technique, you first perform a round of PCR to generate ... there are never any guarantees, some cloning techniques do tip the scales in your favor. For starters...ligation-independent PCR cloning method." BMC biotechnology 11.1 (2011): 92. PubMed PMID: 21992524. PubMed... -
Golden Gate Assembly Upgrades: More Fragments, Faster Assembly, and Higher Fidelity
TypeBlog PostPublishedOct. 11, 2018, 12:30 p.m.... – so much so that there was little range for detectable improvements in the methodology. To further push... While T4 DNA Ligase, the mainstay of most biotechnological cloning efforts for over 50 years, prefers...work, will fuel additional efforts to push the technique forward. Many thanks to our guest bloggers Becky... efficiency Learn about other plasmid cloning techniques Resources on Addgene.org Find basic molecular... -
Addgene's Cancer Collection Pages Connect the Research Community
TypeBlog PostPublishedSept. 6, 2016, 2:30 p.m....and in the right places. Checks and balances: protecting against cancerous cells Luckily, there are several...several safety mechanisms in place to protect us from rogue cells when something does go awry. The process... use with the Gateway Cloning Platform (Life Technologies, Carlsbad, CA) that represents 180 genes from...Scientists are making progress. New resources and technologies become available almost daily, yet obstacles... -
Negative Can Be Positive: Open AAV Data with Addgene
TypeBlog PostPublishedSept. 6, 2022, 1:15 p.m....out of fear it points to flaws or gaps in their technical ability. But, especially for AAV data, that may...experimental settings. It is a curated set of technical reports on AAV vectors from Addgene and the CLOVER...evaluate AAV vector performance. Yet, most of the technical data needed to replicate and build on others’ ...word of mouth” as their source for this type of technical know-how, which highlights the dearth of AAV vector... -
Isolating Genomic Regions of Interest with the CRISPR System
TypeBlog PostPublishedMay 30, 2019, 12:44 p.m.... and the chromosome conformation capture (3C) technique. In addition to 3xFLAG and biotin tags, use of...additional flavors to this methodology. Using this technique, researchers have begun to make important discoveries...experimental setup. As we’ve seen for many other CRISPR techniques, this method also has great potential for improvements...DNA fragments and chromatin by in vitro enCh IP technology using recombinant CRISPR ribonucleoproteins."... -
INTEGRATE: Bacterial Genome Engineering Using CRISPR-Transposons
TypeBlog PostPublishedDec. 7, 2020, 2:53 p.m....a multi-spacer CRISPR array. Workflow and technical considerations Making insertions in bacterial ...metabolic cassettes (Zhang et al. 2020); however, the technology potential enabled by CRISPR-transposons has yet...CRISPR biology and CRISPR genome engineering technologies. Message or follow him on twitter @Vopinator...multiplexed bacterial genome engineering. Nat Biotechnol. https://doi.org/10.1038/s41587-020-00745-y Zhang... -
Better Dyeing Through Chemistry & Small Molecule Fluorophores
TypeBlog PostPublishedSept. 8, 2016, 2:30 p.m....clever chemists and biochemists have developed techniques to make labeling chemistry easier and more functional...the initial breakthrough for in-cell labeling techniques was provided by Roger Tsien, who showed that ... century. Many of the small-molecule labeling techniques have focused on this classic, net-neutral dye...inside cells with fluorescent tags." Trends in biotechnology 30.1 (2012): 8-16. PubMed PMID: 21924508. PubMed... -
Cpf1: A New Tool for CRISPR Genome Editing
TypeBlog PostPublishedOct. 14, 2015, 2:30 p.m....predicted off-target sites, Cpf1 does not mediate detectable off-target cleavage. Most gRNAs directed low-... CRISPR–Cpf1 Using a Single crRNA Array." Nat Biotechnol. 35.1 (2016): 31-34. PubMed PMID: 27918548. ...specificities of Cpf1 endonucleases in human cells. Nat Biotechnol. (2016). PubMed PMID: 27272384 Find plasmids...CRISPR-Cas Cpf1 nucleases in human cells." Nat Biotechnol. (2016). PubMed PMID: 27347757. Find plasmids... -
Fluorescent Proteins 101: Green Fluorescent Protein (GFP)
TypeBlog PostPublishedMay 15, 2014, 3:33 p.m.... many other uses currently exist, and new GFP technology is constantly being developed! Fusion tagging...GFP-based fluorescent biosensors has been designed to detect a variety of intracellular conditions, including...here. Optogenetics: Scientists can use light to detect, measure, and control molecular signals, cells,... articles and insight on the newest tools and techniques in fluorescent microscopy. Read More: All ... -
New CRISPR Tools: Cas7-11 and PASTE
TypeBlog PostPublishedFeb. 17, 2022, 2 p.m....characterize, and develop new CRISPR systems and technologies, the AbuGoot lab often tests samples of new ...positions defined by the target:spacer duplex without detectable non-specific activity. Its major advantage is...same comparisons, the AbuGoot lab reported no detectable effect on cell viability – meaning there was ... genes. In comparison with other large insert techniques like HITI or HDR, which require specific repair... -
Save Time with Transient Plant Leaf Transformations
TypeBlog PostPublishedJuly 25, 2019, 12:03 p.m.... induced gene silencing (VIGS) is a transient technique that uses a virus and the plant's post-transcriptional...surface) of the leaf. This is a simple and easy technique to implement. Success might vary between experimenters...Boston, MA. He obtained his BSc and MSc in Plant Biotechnology from Leibniz Universität Hannover (Germany),...PMID: 16739580. Li, Jian-Feng, et al. "The FAST technique: a simplified Agrobacterium-based transformation... -
Rett Syndrome: A History of Research and Therapeutic Outlooks
TypeBlog PostPublishedNov. 19, 2020, 2:15 p.m....Therapy Consortium. Leveraging their combined technical expertise to develop a viable therapeutic, the... and Feng Zhang, PhD, is pursuing CRISPR/Cas9 technology for precise correction of Rett syndrome mutations...three neuronal subtypes of the hippocampus. This technology has formed the basis of the Rett syndrome program...co-founded by Gail Mandel. There are numerous technical challenges to overcome for both of these approaches... -
Hot Plasmids - August 2020
TypeBlog PostPublishedAug. 18, 2020, 1:15 p.m.... Mateo Sanchez and Alice Ting have used one biotechnology tool to optimize another. The authors have created...some notable improvements. Directed evolution techniques mimic natural selection of sequences that evolve... proteins at small and large scale. This new technique involves selection in the cytosol (instead of ...purification required! The team used other molecular techniques to introduce time modulation of the TEV cleavage... -
Hot Plasmids Spring 2024
TypeBlog PostPublishedMay 23, 2024, 1:15 p.m....into target genomes and a 10-fold improvement in detection efficiency over the original CROPseq. Find CROPseq-multi...the protein La (a small RNA-binding exonuclease protection factor) promotes editing (Yan, J et al., 2024...stabilizing the 3’ end of the pegRNA, which is not well protected by Cas9. This is similar to the proposed mechanism... effort to fill a void in available tools for detecting SARS-CoV-2 (Terry et al., 2021). Check out their... -
Advanced Uses of Cre-lox and Flp-FRT - A Neuroscientist’s View
TypeBlog PostPublishedOct. 19, 2017, 1:54 p.m....their expression to individual cells. With this technique, a Neuroscientist can see the full dendritic arbor... able to distribute materials containing FLEx technology. Read the genOway press release for more information...Recombinase Evolved by Cycling Mutagenesis.” Nature biotechnology 16(7): 657–62. PubMed PMID: 9661200. 3. Cardin...at the Cellular Level in the Mouse.” Nature Biotechnology 21(5): 562–65. PubMed PMID: 12665802. 9. Villa... -
Antibodies 101: Single Chain Fragment Variables (scFvs)
TypeBlog PostPublishedJune 3, 2021, 1:15 p.m....antibodies: the power of in vitro display technologies. Nat Biotechnol 29:245–254 . https://doi.org/10.1038...of Milstein and Köhler who developed hybridoma technology. But what about single chain fragment variables...living cells. The HA frankenbody is an HA tag detection probe. It contains an HA-binding scFv that’s fused... -
CRISPR 101: Homology Directed Repair
TypeBlog PostPublishedJan. 26, 2023, 2:15 p.m....modifications feasible and even easy. This targeted-break technology coupled with HDR is a powerful site-specific ...the genome, resulting in off-target effects. A technique that pushes the size limitations of ssODNs is ...principles driving CRISPRs and genome editing technology. Links: Zhang Lab’s CRISPR FAQs CRISPR forum...asymmetric donor DNA. Richardson CD, et al. Nat Biotech. 34(3); (2016). PubMed. Efficient homology-directed...