We narrowed to 574 results for: BASE;
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TypeBlog PostPublishedMarch 7, 2024, 2:39 p.m....Cas9 NG - SpRY nuclease C to T Base Editor SpRY A to G Base Editor SpRY NYN/NRN NYN is less ...SpRY was validated in double stranded cleavage and base editing applications, with high editing capacity...
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Adeno Associated Virus (AAV) for Cell and Gene Therapy
TypeBlog PostPublishedNov. 7, 2017, 1:59 p.m.... that need them. Adeno-associated virus (AAV) – based delivery techniques may hold the key. In the simplest...effective. Challenges for AAV gene therapy Although AAV-based gene therapies are promising, scientists are working...should be taken into account when developing AAV-based therapies. Furthermore, deeper understanding of ... -
Plasmids 101: 5 factors to help you choose the right cloning method
TypeBlog PostPublishedAug. 21, 2018, 12:31 p.m.... you. Traditional restriction enzyme and ligase based cloning is a relatively inexpensive way to get the...a try. This method, developed by Invitrogen and based on lambda phage integration sequences, relies on...inserts a breeze. Among them are some of the homology based methods, like Gibson or SLIC, since one can pool... -
A Look at Addgene's QC Process
TypeBlog PostPublishedMay 6, 2025, 1:15 p.m....in SnapGene. SnapGene annotates the plasmid maps based on SnapGene’s “Common Feature” library — with some... the deposited scientist The backbone elements based on the information provided and vector type Any...assembly issues that arise due to the short 200–250 base pair reads sequenced on the Illumina MiSeq. Resolving... -
Plasmids 101: The Wide World of Natural Plasmids
TypeBlog PostPublishedOct. 8, 2024, 1:15 p.m....have proposed developing new cloning techniques based on these vectors (Shareck et al., 2004). Plasmid...al., 2023). In this post, we’ve grouped plasmids based on the phenotype they offer their host cell, but...Lee, B., & Miguez, C. B. (2004). Cloning Vectors Based on Cryptic Plasmids Isolated from Lactic Acid Bacteria... -
Hot Plasmids and Viral Preps - January 2021
TypeBlog PostPublishedJan. 5, 2021, 2:15 p.m....Francois St-Pierre’s lab developed a new form of FACS-based cell screening, Single-cell Phenotypic Observation...Plasmids and Resources page. CDDR (CRISPR–Cas9-based Dual-fluorescent DSB Repair) is a double-strand ...double-strand break repair assay for mammalian cells. It's based on the introduction & resolution of two DSBs in a...eliminate competing mobile genetic elements. Image by Basem Al-Shayeb in the Doudna Lab. Scientists looking... -
Plasmids 101: Optimizing Plasmid Yields
TypeBlog PostPublishedMay 26, 2016, 2:30 p.m....viewed more as a guideline, since they are typically based on the copy number of the empty plasmid backbone...matrix could clog the matrix when performing filter based plasmid prepping. Be sure to stay within the recommended...for each plasmid/strain combination individually, based on determining the cell density or by harvesting... -
Plasmids 101: Terminators and PolyA signals
TypeBlog PostPublishedMarch 31, 2016, 2:30 p.m....two broad categories, prokaryotic or eukaryotic, based on the functional elements they contain. Plasmid...polyadenylation? The role of the terminator, a sequence-based element, is to define the end of a transcriptional...terminators are not usually employed in plasmid-based expression systems, so these will not be detailed... -
Our Most Popular Blog Posts from 2019
TypeBlog PostPublishedDec. 31, 2019, 2:26 p.m....introduce insertions, deletions, and all possible base-to-base changes. 1. Plasmids 101: Transformation,... -
Mycoplasma Contamination: Where Does It Come From and How to Prevent It
TypeBlog PostPublishedOct. 8, 2020, 1:15 p.m....know it’s there? For this task, you can use PCR based detection, DNA staining, fluorescent tagging, agar...and cost-effective (Sung, 2006). The sensor cell-based method uses specialized cells that can detect the...from different biotech companies which are enzyme-based mycoplasma detection kits. These kits detect mycoplasma...YJ, Hong JT, Chung YB, Lee CK, Song S (2006) PCR-based detection of mycoplasma species. J Microbiol .44... -
Fluorescent Tagging of Endogenous Genes with SapTrap
TypeBlog PostPublishedOct. 12, 2017, 2:26 p.m....lab developed a polymerase chain reaction (PCR)-based system that allows users to generate a plasmid containing...Masato Kanemaki's lab has developed a CRISPR/Cas-based system for tagging endogenous proteins with an auxin-inducible...Schmid-Burgk, Jonathan L., et al. “CRISPaint allows modular base-specific gene tagging using a ligase-4-dependent... -
PCR Applications for Copy Number Variation Assays
TypeBlog PostPublishedApril 26, 2022, 1:15 p.m.... in this blog post, we're going to focus on PCR-based applications (qPCR and ddPCR.) qPCR Quantitative.... Quantitative analysis of copy number variants based on real-time LightCycler PCR. Curr Protoc Hum Genet...genetic elements can be determined by SYBR-Green-based quantitative real-time PCR. J Microbiol Methods....sample with known copy number set as the expression baseline. Copy number is then determined by comparing results... -
Google Forums Round Up: First Impressions of NgAgo
TypeBlog PostPublishedAug. 4, 2016, 2:30 p.m....experiences with the new method and look for advice/tips. Based on the discussions in the forums, it appeared that...majority of the respondents (70%) used a lipofectamine-based method to deliver NgAgo ingredients into the cell.... Overall, the real take-home message thus far, based on survey respondents "Final Verdict", is that more... -
X-CHIME: Context Dependent Germline Knockout in Immune Cells
TypeBlog PostPublishedJan. 16, 2024, 6:13 p.m...., as it only changes one gene at a time. CRISPR-based systems enable gene knockout in immune cells in ...out a single gene in defined cell types (lineage-based) pXPR_070 Violet-excited GFP (vex) Lineage-Cre... -
The Open Repository of CRISPR Screens: CRISPR Screen Data in One Place
TypeBlog PostPublishedJan. 21, 2020, 2:30 p.m....in order to increase the accessibility of CRISPR-based phenotypic screen datasets. Original published CRISPR...demonstrated the feasibility and power of CRISPR-based library screens in cell lines from humans and other...? The Open Repository of CRISPR Screens (ORCS) database is a new freely available resource developed by...which can also be used to search the entire CRISPR database for particular screens of interest. Figure...screen data included in the BioGRID ORCS CRISPR database are encouraged to contact BioGRID curators at ... -
CRISPR Protocol for Genomic Deletions in Mammalian Cell Lines [Video]
TypeBlog PostPublishedFeb. 18, 2015, 3:09 p.m.... inspired to produce intrachromosomal deletions based on the experiments of Kim and colleagues using zinc.... Regulatory DNA function is typically inferred based on correlative biochemical characteristics and ectopic... -
SpyLigase Irreversibly Locks Peptides Together for Efficient Cell Capture
TypeBlog PostPublishedAug. 13, 2014, 3:49 p.m....dedicated to generating new tools to manipulate biology based on molecular features found in nature, with the ...recently introduced the SpyTag/SpyCatcher system, based on a protein isolated from Streptococcus pyogenes... -
Career Insights: Technical Support Specialist
TypeBlog PostPublishedNov. 9, 2017, 2 p.m...., technical support is often covered by the lab based team as part of their general job duties. Bigger...etc. Technical support roles are primarily office based, and email/phone are the most popular ways to communicate... pressure which are often found in sales or lab-based roles in industry. What to look forward to in a ...answers for customers, internal resources and databases are scrutinized, and this information is enriched... -
What’s in Your Tube?: A Quick Guide to Measuring DNA by Spectrophotometry
TypeBlog PostPublishedJuly 1, 2025, 1:15 p.m....the most popular options, so most of this post is based on reading results from a NanoDrop. The principles...calculate a sample’s nucleic acid concentration based on the sample’s absorption at 260 nm (A260). ...use a complementary assay, such as a fluorescence based assay or running an agarose gel. In the case of ... -
Degrading DNA with Cascade-Cas3
TypeBlog PostPublishedFeb. 11, 2025, 2:15 p.m....number of ways, from small edits that change single base pairs, to chromosomal inversions and large deletions...1 CRISPR systems make up the majority of CRISPR-based immune systems in bacteria and archaea. Class 1 ...deletions of up to hundreds or even thousands of base pairs, stopping either at boundaries defined by ...originally suspected that Cas3 moved a couple of kilobases down the strand of DNA, Cascade caught up to it...