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Showing: 21 - 40 of 227 results
  1. Pushing the Limits of DNA Assembly

    Type
    Blog Post
    ...by assembling multiple fragments containing the desired mutations. This same process can be used simultaneously...plasmids by gene here), designing primers with your desired mutation, performing PCR to generate the mutation...oligo that contains a region of homology and any desired edits to the target region. Assembled plasmids ... DNA assembly reaction. DNA fragments with the desired promoter, selectable marker, and target gene, for...
  2. Science Career Options

    Type
    Blog Post
    ...to a wide range of industries and is a highly desirable quality sought after by employers. These skills...correctly the first time. These skills are very desirable to employers because they save time and money ...employers. Increasingly, computer skills are highly desired, as roles are becoming more reliant on technology...(Python, R, SAS, HTML, Matlab etc) are highly desirable in a range of roles, including: Science Reporter...
  3. Management for Scientists: Delegating is Key

    Type
    Blog Post
    ...Clearly articulate the desired outcomes. Begin with the end in mind. Specify desired results. Are you delegating...criteria for delegating tasks appropriately: Are the desired goals and outcomes clear? If you don’t have clear...results. What does success look like? Agree on desired outcomes. Concern yourself with what is accomplished...
  4. Fluorescent CRISPR Reporters: SRIRACCHA and GEmCherry2

    Type
    Blog Post
    ...created SRIRACCHA in 2017 to enrich and identify desired CRISPR mutants (Wen et al., 2018). SRIRACCHA uses...constructs for the reporter to work and to make the desired genome edit:  A donor plasmid that contains a ...OH-T and doxycycline. A gRNA that targets your desired gene (whose sequence is also found in the reporter...integrated GFP reporter leaving you with just your desired genomic edit.  Find SRIRACCHA plasmids at Addgene...
  5. Mouse Modeling, Part 2: Breeding and Crossing Mice

    Type
    Blog Post
    ... allele decreases. Crossing mice to generate a desired phenotype Instead, genetic engineering should be...in the journey towards producing mice with your desired combination of mutations. Assuming your parental...generate mice that are homozygous for all of your desired genes. Remember Punnett squares from high school... are homozygous (or hemizygous) at all of your desired alleles to conduct your experiments. You should...
  6. Educational Planarian Tools for Teaching Developmental Biology Techniques

    Type
    Blog Post
    ...strand of the siRNA and are directed by complementarity to the remaining single stranded siRNA to bind natively... molecular cloning to insert the cDNA into the desired plasmid backbone. The Sánchez lab plasmids allow...fragments are referred to as small interfering RNAs (siRNA) and they bind to a class of Argonaute proteins....
  7. Progress Towards a PAM-Free CRISPR

    Type
    Blog Post
    ...sequence is suitable, but there is no PAM next to the desired cut site, then a further-away gRNA where there ... may wonder: how close is close enough for the desired edit to still occur if the cut site is sub-optimal...it depends, but generally the efficiency of the desired edit is reduced by over 50% when the cut site is... an ideal site: moving several bps away from a desired site does not have the same devastating impact ...
  8. Fluorescent Tagging of Endogenous Genes with SapTrap

    Type
    Blog Post
    ...designs either oligos or synthetic DNA for the desired gRNA target sequence, as well as the 5’ and 3’ ... and a Cas9 expression plasmid will insert the desired genetic tag and marker sequence into the targeted... the insertion, and 3) a vector containing the desired tag, which can be obtained as a universal donor...generate a plasmid containing a direct fusion of the desired gRNA to the U6 promoter, and a second plasmid containing...
  9. CRISPR 101: Which Cas9 Do I Choose for My CRISPR Experiment?

    Type
    Blog Post
    ...Cas9 localizes the deaminase to where the edit is desired, and it performs the programmed edit within the...flexibility. A consideration with this tool is that the desired edit will be performed on all relevant bases within...system utilizes an RNA template containing the desired edit adjoined to the sgRNA, a reverse transcriptase...not require an expertly positioned PAM without undesired bases nearby that may undergo unwanted editing...
  10. Lambda Red: A Homologous Recombination-based Technique for Genetic Engineering

    Type
    Blog Post
    ...substrate should be ~70-100 nucleotides long with the desired alteration(s) located in the center of the sequence...circumstances. An alternative approach is to flank the desired change with 4-5 silent changes in the wobble codons...protein.  These changes can be 5’ or 3’ of the desired change.   Table 1: Overview of ds- and ss-DNA Uses... further tested to confirm the presence of the desired modification. Colony PCR can be used to screen ...
  11. Antibody Validation for Flow Cytometry

    Type
    Blog Post
    ...transfection of short interfering RNA (siRNA). Knockdown caused by siRNA is also transient, and as such, the...intended application — here, flow cytometry — is the desired target, using one or more of the approaches outlined...consider using shRNA vectors instead. With both siRNA and shRNA, it can be difficult to achieve sufficient...
  12. Tag Your Favorite Yeast Genes with Ease

    Type
    Blog Post
    ...protein products is desired, as multiple selection markers can ensure that all desired tags have been integrated...Simply design your amplification primers with the desired targeting homology—in frame, of course—and start...
  13. Cloning

    Type
    Guide
    ...for it to then be digested and ligated into your desired plasmid. It is important to note that restriction..., that cut your insert or backbone at only the desired location for your cloning project. Restriction ...sequences are removed from the final product, with no undesired sequence ("scar") retained. A disadvantage of ...
  14. TALEN Engineering

    Type
    Collection
    ... engineering TAL effector repeat arrays of any desired length: the REAL (Restriction Enzyme And Ligation...
  15. Plasmids 101: Screening Strategies Used in Plasmid Cloning

    Type
    Blog Post
    ...is not enough on its own to help you find your desired plasmid. In many cases, you will need a screening...you will need to sort through them to find the desired clone. Do your selection, then screen Why add a...what about identifying clones that contain your desired insert? This is where a  screen comes in. Let’s...
  16. Screening for Successful Genome Editing with Digital PCR

    Type
    Blog Post
    ...what kind of assays can be used to sniff out your desired mutations. The assays you will use aren’t that ...non-homologous end joining (NHEJ) (2-5), depending on your desired genome edit. Since exploitation of NHEJ to generate... those with the bi-allelic mutations typically desired when screening clones for complete functional knockout...
  17. REPLACR Mutagenesis: Replacing In Vitro Recombination Methods

    Type
    Blog Post
    ...you design two oligonucleotide primers with the desired mutation, then use those to PCR amplify the template...above, you design two primers, each containing the desired mutations, to amplify both strands of a plasmid...figure above shows guidelines for primer design; a desired insertion should be present in both primers. When...
Showing: 21 - 40 of 227 results