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Showing: 1 - 10 of 99 results
  1. Plasmids 101: Colony PCR

    Type
    Blog Post
    Published
    May 12, 2016, 2:30 p.m.
    ...strategies for primer design: 1) insert-specific primers, 2) backbone-specific primers, and 3) orientation-specific...orientation-specific primers.       Insert-specific primers: Insert-specific primers are designed to anneal...Backbone-specific primers: A second option is to design backbone-specific primers. These primers are designed...design primers to detect the presence of your insert; 2) set up a standard PCR reaction (primers, dNTPs...colony PCR primers The first and perhaps most important step to colony PCR is designing primers. There are... of this type of primer pair anneals to a sequence flanking the insert and one primer anneals to the insert...this type of primer pair is to mix-and-match insert-specific and back-bone specific primers. Find Empty...
  2. Plasmid Cloning by PCR

    Type
    Blog Post
    Published
    March 29, 2016, 2:30 p.m.
    ...recipient plasmid. Designing primers for PCR based cloning     The basic PCR primers for molecular cloning...site to the forward primer and the downstream restriction site to the reverse primer. Next, we need to ...site (GAATTC) to the 5’ end of this primer, making our Forward Primer 5'-GAATTCATGTGGCATATCTCGAAGTAC-3'.... within your primer. In our case, we will add TAAGCA, resulting in a final Forward Primer sequence of ...interest for Gibson assembly. The steps following primer design and the PCR process itself are very similar...Sequence: Extra base pairs on the 5' end of the primer assist with restriction enzyme digestion (usually...8bp) Hybridization Sequence: The region of the primer that binds to the sequence to be amplified (usually...
  3. Simplify Cloning with in vivo Assembly

    Type
    Blog Post
    Published
    Oct. 18, 2018, 12:37 p.m.
    ...carefully designed primers. The majority of mistakes are due to incorrect primer sequences! Primers consist of...ultracompetent (109 CFU/μg) cells. Primer design Using specific primer design (Figure 2), IVA cloning can... forward primer by adding a short sequence complementary to the 5’ end of the reverse primer. Mutagenesis...with separate primer pairs in the same PCR. Add homologous sequences to one of the primer pairs to drive...by adding all the necessary primers to the same PCR mix. Pairs of primers will amplify the whole vector...modifications and homologous regions can be encoded in the primer sequences. Multiple plasmids can be included in...mutagenesis to complex assembly of multiple genes. Primer design for each type of modification is shown in...
  4. Deep Dive: qPCR

    Type
    Blog Post
    Published
    Sept. 29, 2022, 1:15 p.m.
    ...Adapted from Wong, 2018   Primers Design of primers and probes Primer design, of course, could easily...probes/primers often offer higher allelic specificity, due to the need for the target:probe/primer bonds... included in the 5’ primer Yes Yes. Agarose gel  LUX fluorogenic primers Low Single self-quenching... molecule connected to a primer  No Yes Agarose gel Sunrise primers   Low Reporter and quencher... weighted towards the ends of the primers. Concentration of primers should be between 100 and 400 nm and...temperature 5-10 degrees above the primer and be at least 25 bp away from each primer, ideally located close to...either the forward or the reverse primer.  There is a list of useful primer design resources in the References...
  5. Addgene's Tips for Plasmid Quality Control

    Type
    Blog Post
    Published
    Jan. 14, 2016, 3:30 p.m.
    ...custom primers. Remember, when designing a sequencing primer, you need some space between your primer binding...new primers to sequence the important features. You can use primer design software such as Primer3 to ...database of over 2000 primers. Two 96-well PCR plates are prepared with the primer stocks for forward and... designing a primer specifically to target this region, as outlined above. Avoid primers that bind within...strain, media supplements), suggested sequencing primers, or mammalian selection markers. You don’t need...standard backbone with one insert, and can use common primers to sequence from the backbone into the insert. ...image above). We then select forward and reverse primers for each sample with the help of DNA-editing software...
  6. Early Career Researcher Toolbox: Free Online Molecular Biology Tools

    Type
    Blog Post
    Published
    Sept. 12, 2023, 1:15 p.m.
    ...Primer3Plus: For general primer design Design primers for Goldengate cloning   Design primers for In-Fusion Cloning... general primer design, as well as primer design for different cloning applications. Primer3 and Primer3Plus...applications Primer design tools Many of the above-listed plasmid mapping tools have built-in primer design ...For hairpin analysis, Tm and primer dimer estimation, and other primer characteristics. NEB Data-optimized...Primer design. Plasmid mapping. DNA sequence analysis. We all have our favorite tools for tackling these...Cloning Design primers for Gibson Assembly and NEB HiFi DNA Assembly  OligoAnalyzer Tool from IDT: For...Molarity calculator Promega's Biomath Calculators Primer resuspension calculator (sign-in required.)  DailyCalcs...
  7. Plasmids 101: Screening Strategies Used in Plasmid Cloning

    Type
    Blog Post
    Published
    Sept. 15, 2020, 1:15 p.m.
    ...vector-specific primers, look for size differences. You can also use primers where one primer anneals to the...insert, either by using primers that are specific to your insert or by using primers that are vector specific...first need a primer that complements your plasmid sequence. Start with a backbone-specific primer that will...popular sequencing primers in our Molecular Biology Reference. Sometimes common  primers can't provide all...custom primer. Because Sanger sequencing can usually sequence just 1 kb of DNA, custom primers are especially...potential insert. If you’re using insert-specific primers, you should expect a PCR product if the plasmid... the insert and the other primer anneals to the backbone. In this case, if there is no insert in the plasmid...
  8. Site Directed Mutagenesis by PCR

    Type
    Blog Post
    Published
    Aug. 2, 2016, 2:30 p.m.
    ... using the primers specified by the arrowheads in (A). Experimental guidelines Primer Design As a.... Forward and reverse primers are designed to be complementary, but each primer may extend beyond the ..., multimerization of the PCR primers can cause duplication of the primer sequence in the resulting plasmid...-mutations can be introduced to plasmids using primers (with the desired mutation) in a PCR protocol that...Plasmids. A) Generation of mutagenized plasmids. PCR primers (green) amplify the plasmid template (blue), and...digestion (blue). Digestion with enzyme “B” detects primer multimerization (purple) which is evident by an...usually 1-3 mismatched bases) is sufficient for your primers to successfully anneal to the plasmid of interest...
  9. Polymerase Chain Reaction Overview and Applications

    Type
    Blog Post
    Published
    Aug. 10, 2021, 1:15 p.m.
    ...stranded DNA primers that bind upstream (5’) and downstream (3’) of the DNA region of interest. Primers are crucial... the forward and reverse primers are stable. At this temperature the primers can anneal to the single ...and reverse primer sets.  Multiple template PCR - multiple templates with different primer pairs that... steps Taq polymerase can copy DNA between the primers using the dNTPs.  Let’s jump into the specifics...stable at this temperature and can bind to the primers.  Extension- The temperature is then raised slightly...protocol video and reference on how to design PCR primers.  Types of PCR Since the invention of PCR, different...amplified in a single PCR experiment using multiple primers all in one PCR reaction. This is an extremely useful...
  10. Deep Mutational Scanning with One Pot Saturation Mutagenesis

    Type
    Blog Post
    Published
    Feb. 22, 2017, 3:30 p.m.
    ...mutagenic primer pair to generate an individual mutant, this technique uses mutagenic primers that tile...site and multiple primer sets tile across the protein or region of interest. A low primer-to-template ratio...How should I design my mutagenic primers? The key is to design primers that are the same sense as the strand...site-directed mutagenesis PCR that uses mutagenic primers to introduce all desired codon changes (step 1 ...1 in the image above). A second universal primer is used to synthesize a complementary mutant strand (... Synthesize mutant strand: A mix of degenerate primers and the high-fidelity Phusion polymerase are used...the newly synthesized DNA strand. Each degenerate primer set contains three consecutive randomized bases...
Showing: 1 - 10 of 99 results