We narrowed to 19 results for: ccdb vector
-
TypeBlog Post...developed cloning vectors to harness it. These vectors, called pKIL18 and pKIL19, contained the ccdB gene in frame...non-recombinant vectors (re-ligated empty vectors, for instance) would still express ccdB and therefore ...toxic effects of CcdB. Another commercially available, CcdB-resistant strain is ccdB Survival™ from InvitrogenTM...DB3.1 and ccdB Survival strains have been developed specifically with ccdB-containing vectors in mind, ... the popular GatewayTM method possible: ccdB. But what is ccdB, what role does it play in modern cloning...interest. Simply stated, ccdB makes cloning easier by selecting against vectors that did not take up your...harnessed it to evolve cloning technology. CcdB: A potent toxin... The ccdB gene, located on the F sex factor ...
-
Plasmids 101: Gateway Cloning
TypeBlog Post... of Gateway cloning vectors Vector type Vector features Purpose Donor vector attP sites for recombination...sensitive to CcdB (e.g. DH5α, TOP10, Mach1). The ccdB gene is present in the donor vectors and the destination...sequences into multiple vector systems. With the appropriate entry and destination vectors, one can use Gateway...byproduct of the reaction, the ccdB gene is excised from the donor vector. Figure 2: The Gateway...DNA fragment containing the ccdB gene is excised from the destination vector. Once the BP and/or LR reactions...BP or LR reactions. Since the CcdB protein inhibits the growth of CcdB sensitive E. coli strains, most ...donor vector. Method B: TOPO-cloning of the desired insert into an attL-entry-TOPO vector. TOPO... -
Bacterial Toxin-antitoxin Systems as Molecular Biology Tools
TypeBlog Post... of CcdB. Applications of ccdB in plasmid cloning Perhaps the most widely used application of CcdB is ...the ccdB region (for “coupled cell division”). The encoded toxin-antitoxin system consists of CcdB (toxin...cloning, where the ccdB gene serves as a counterselectable marker in the destination vector. Successful cloning...when the ccdB gene is replaced by the gene of interest. As a result, cells that retain the ccdB gene die...toxin) and CcdA (antitoxin) where CcdB inferes with DNA replication by binding the GyrA subunit of DNA...a higher percentage of transformants contain the ccdB-less construct. Other toxin-antitoxin systems and...and their applications MazE/MazF Aside from CcdB/CcdA, there are many protein-based toxin-antitoxin systems... -
Quickest Way to Deposit Plasmids: The Deposit Spreadsheet
TypeBlog Post... plasmids containing the ccdB gene, such as Gateway vectors, choose the ccdB Survival strain. For plasmids...biosensor affinity for calcium.” Primary Vector Type The vector type should describe how your plasmid ...indicate type in “Vector Type Other” column. For example, you may enter “donor template vector”. Cloning...should propagate your plasmids in: DH5α, NEB Stable, ccdB Survival, Pir1, or other. Whenever possible, we ... -
Plasmids 101: Common Lab E. coli Strains
TypeBlog Post...Genotype ccdB Survival 2 T1R TOP10 derivative. For propagating plasmids expressing the ccdB gene (important...of protein synthesis Ptrc-ccdA Propagation of ccdB-containing plasmids Hte High transformation ...derivative. For propagating plasmids expressing the ccdB gene (important in Gateway cloning). F- gyrA462 ... into and storage of lentiviral and retroviral vectors or cloning or repeated sequences with the potential...storage of unstable DNA and lentiviral/retroviral vectors. Used by Addgene for pooled library amplification... -
How to Deposit Your Plasmids with Addgene
TypeBlog Post...plasmids containing the ccdB gene, such as Gateway vectors, we recommend the ccdB Survival strain. Figure...the vector backbone you cloned your insert into and fill out the appropriate boxes with the vector backbone...backbone manufacturer, vector backbone size, total size of your vector + insert, any modifications you ...provide any full or partial plasmid sequences and any vector maps. The more sequence data available, the better... was a part of the insert (when cloned into the vector backbone). If your plasmid has more than one insert...you made to the backbone, and the vector type. Pro Tip! Reference the Addgene ID in the "Backbone Manufacturer...enter "Feng Zhang (Addgene plasmid #52961)". The vector type should describe how your plasmid is intended... -
Luciferase Plasmid Collection
TypeCollection...cells Peter Cockerill 212936 pGL3 Basic Vector Firefly Vector for investigating regions controlling transcription...Scott Lowe 21375 pHIV-Luciferase Firefly Lentiviral vector for insertion of your gene of interest upstream...IRES-firefly luciferase. Bryan Welm 87067 pcDNA3.1-ccdB-Nanoluc NanoLuc® Creation of N-terminal Nanoluc ...using Gateway cloning Mikko Taipale 87075 pLenti6.2-ccdB-Nanoluc NanoLuc® Creation of C-terminal Nanoluc ... Lentival. Mikko Taipale 87078 pLenti6.2-Nanoluc-ccdB NanoLuc® Creation of N-terminal Nanoluc fusions ...and renilla_polyA Firefly, Renilla Dual reporter vector. Insertion of 5' promoter/enhancer regions upstream... co-expressed. Oskar Laur 87070 pcDNA3.1-Nanoluc-ccdB NanoLuc® Creation of N-terminal Nanoluc fusions ... -
Plasmids 101: Blue-white Screening
TypeBlog Post...screening overview blog post.) *Note: Two Popular Vectors for Blue White Screening Available at Addgene Are... plasmid, creating an α-complementation cloning vector. When a cloning reaction goes to plan and your ...pUC18 and pUC19, and pBluescript are a few common vectors. Blue-white screening is just that – a screening...insert, there are other methods. Positive selection vectors encode a gene which, when expressed, is lethal ...plasmid containing the lethal gene. An example is the ccdB gene system commonly used in Gateway® Cloning. There... -
Plasmids 101: 5 factors to help you choose the right cloning method
TypeBlog Post...mostly due to the use of toxic ccdB to prevent any non-recombinant vectors from propagating. The ligation-independent...and colleagues. Here you simply PCR-amplify your vector and your insert, DpnI digest away the templates... time is of the essence. This method requires a vector backbone containing a topoisomerase I cut site,...the type IIS enzymes in the reaction to redigest vector reseals and other incorrect products. This feature...Addgene.org0 Check out protocols for plasmid cloning Find vector backbones Read our molecular biology reference ... -
Anatomy of a Plasmid Page at Addgene
TypeBlog Post...starting vector that the depositing lab modified to create their new plasmid. The Addgene Vector Database... modifying a vector previously deposited with Addgene, you can list the original vector’s plasmid number...Database has more information about common vector backbones. The backbone modifications listed can refer ...transcribed and translated insert. If it is an empty vector with a tag, it’s terminus will be listed as the...section provides useful information about how the vector was assembled, and enables requesting labs to utilize...strain DH5a, but others may require strains such as ccdB survival (for Gateway plasmids). We also like to...need extra stability, such as some of our viral vectors, in NEB Stable cells. Resource information: This... -
Plasmids 101: The Wide World of Natural Plasmids
TypeBlog Post...other molecules to host organisms. For instance, vectors derived from the Agrobacterium Ti virulence plasmid...developing new cloning techniques based on these vectors (Shareck et al., 2004). Plasmid categorization...coli fertility plasmid that also encodes a toxin, CcdB, and the resistance to that toxin, CcdA. Knowing..., Y., Lee, B., & Miguez, C. B. (2004). Cloning Vectors Based on Cryptic Plasmids Isolated from Lactic ... -
CRISPR Plasmids - Empty gRNA Vectors
TypeCollection... Empty Vectors Many gRNA empty vectors have been deposited at Addgene. To find the gRNA vector for your...Multiplex gRNA Vectors Several systems have been developed to generate multiplex gRNA vectors. These systems...single gRNA vectors with various promoters, plasmids for assembling multiple gRNAs into one vector, and plasmids...expression vectors for insertion of custom gRNA target sequences. CRISPR... CRISPR Empty gRNA Vectors CRISPR Plasmids...Plasmids: Empty gRNA Expression Vectors Browse CRISPR Plasmids By Function Genome Editing Cut Base Edit...-FokI Screen Pooled Libraries gRNAs Empty gRNA Vectors gRNAs By Species Mammalian Bacteria Drosophila ... -
22 Hot Plasmid Technologies from 2014
TypeBlog Post... cloning to form the desired vector. The pCoofy vectors contain the ccdB cassette, which is not copied... existing transposon and vector systems and creating an all-synthetic vector that included only the elements... into a destination vector in a predefined order. Finally, the destination vectors are used with Multisite... eight entry vectors can be used for each Multisite Gateway compatible destination vector for a maximum...step, compatible Level 0 vectors are directionally assembled into a Level 1 vector creating a single transcriptional...of interest into the pCoofy vectors, select the appropriate pair of vector and gene primers from Table...homology between the vector and gene primer for SLIC cloning. Amplify the pCoofy vector and the sequence ... -
Empty Backbones - Choosing Your Perfect Plasmid Backbone
TypeCollection...compatible Y2H vector - BD pRPR1_gRNA_handle_RPR1t - gRNA expression empty vector pFA6a vectors - Epitope ...expression vector URA3 Yeast pAG306GAL-ccdB - Yeast Gateway expression vector (see more ...pFastBac Dual LIC - Vectors from the Gradia lab pFB-LIC-Bse - Insect expression vector from Gileadi lab ...expression vector with N- or C-terminal HA tag pInducer20 - Tet-inducible HA-tagged lentiviral vector for ORF...Gateway destination vector for bacterial expression; His,GST tag pE2c - Modified pENTR vector for C-terminal...-1-3xMyc - Bacterial vector for Myc tag pETcon(-) - Yeast surface display vector with a C-terminal Myc...His-tagged versions of pFastBac LIC vectors and pFastBac Dual LIC vectors for insect expression Fluorescent... -
Gamma-Retroviral Vector Guide
TypeGuide...Gamma-Retroviral Vector Guide Gamma-Retroviral Vector Guide Jump To: Gamma-Retroviral Vectors Vector Production...gamma-retroviral vectors is essentially the same as lentiviral vectors. Many gamma-retroviral vectors have selectable...of Viruses Viral Vector Elements More Viral Vectors 101 topics More Retroviral Vector topics Addgene protocols...contains many viral vector-specific terms and acronyms, so if you're new to viral vectors or simply need a...Gamma-retroviral vectors do not have defined “generations” of plasmids, as lentiviral vectors do. For more...lentiviruses, see Addgene's lentiviral vector guide . Gamma-Retroviral Vectors The genome of gamma-retroviruses...contains a Gateway cassette containing the ccdB gene, a ccdB-resistant strain is necessary. For more information... -
Adenovirus Guide
TypeGuide...Guides Adenoviral Vector Guide Adenoviral Vector Guide Jump To: Adenoviral Vectors Vector Production Integration...capacity of rAdV vectors (~6.5 kb for first-generation rAdV vectors) surpasses that of rAAV vectors (~4.7 kb)...Read our adenoviral vector guide to learn about adenoviral vector components, production and common uses...contains many viral vector-specific terms and acronyms, so if you're new to viral vectors or simply need a...adenoviral (rAdV) vectors in order to deliver genetic cargo into cells. Most rAdV vectors are based on adenovirus...Generations First-generation rAdV vectors The first generation of rAdV vectors was developed by removing the...-generation rAdV vectors. Created with BioRender.com. Second-generation rAdV vectors Second-generation... -
Lentiviral Vector Guide
TypeGuide...Lentiviral Vector Guide Lentiviral Vector Guide Jump To: Lentiviral Vectors Lentiviral Generations Vector Production...Viral Vectors 101 topics More Lentiviral Vector topics Addgene Protocols pLKO.1 - TRC Cloning Vector Protocols...lentiviral vectors that can be safely used in laboratory settings. These engineered lentiviral vectors have ...contains many viral vector-specific terms and acronyms, so if you're new to viral vectors or simply need a...gamma-retroviruses, see Addgene's gamma-retroviral vector guide . Lentiviral Vectors The genome of lentiviruses typically...contains a Gateway cassette containing the ccdB gene, a ccdB-resistant strain is necessary. For more information..., see Addgene’s viral vector protocols . Figure 5: Overview of lentiviral vector production. Created with... -
Adeno-associated virus (AAV) Guide
TypeGuide...Guides AAV Vector Guide Adeno-Associated Viral (AAV) Vector Guide Jump To: AAV Vectors Vector Production...Read our adeno-associated viral vector guide to learn about AAV vector components, production and common...used as viral vectors for gene therapy applications. This guide contains many viral vector-specific terms...adenovirus, read our Adenoviral Vector Guide . Recombinant AAV Vectors Wild-type AAVs have been modified...Plasmids required for rAAV vector production. Created with BioRender.com. AAV Vector Production Cloning Cloning...contains a Gateway cassette containing the ccdB gene, a ccdB-resistant strain is necessary. For more information...protocols, see Addgene’s Viral Vector Protocols . Figure 3: Overview of rAAV vector production. Created with... -
Molecular Biology Reference
TypeGuide...Commonly used cloning vectors include Gateway entry vectors and TOPO cloning vectors. If you are looking...combination of a DNA fragment with a plasmid or vector DNA backbone generates a recombinant DNA molecule...specifically engineered plasmids, commonly referred to as vectors, which have become possibly the most ubiquitous...facilitate the cloning of DNA fragments. Cloning vectors tend to be very simple, often containing only a...expression (for the purposes of gene study). Expression vectors must contain a promoter sequence, a transcription...the transcription process to stop. An expression vector can also include an enhancer sequence which increases... amount of protein or RNA produced. Expression vectors can drive expression in various cell types (mammalian...