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Showing: 181 - 200 of 422 results
  1. CRISPR 101: Engineering the Plant Genome Using CRISPR/Cas9

    Type
    Blog Post
    Published
    Oct. 11, 2016, 2:30 p.m.
    ... a ~20 nucleotide targeting sequence and ~75 nucleotide scaffold sequence) is consistent between plants...contain a plant pol III promoter and gRNA scaffold sequence and allow researchers to insert targeting oligos...is commonly tagged with a nuclear localization sequence to enhance targeting to the nucleus, and several...the specifics - promoters used, precise protein sequences or domains, and methods of delivery - the underlying...
  2. DAP arrays for multiplex gene editing

    Type
    Blog Post
    Published
    July 7, 2022, 1:15 p.m.
    ...repetitive tRNA sequences must be avoided, different tRNAs with optimized 5’ leader sequences can be used ...plant source), by tuning the length of 5’ leader sequences of a given tRNA to achieve the highest efficiencies...
  3. Multiplexed Overexpression of Regulatory Factors (MORF) collection

    Type
    Blog Post
    Published
    March 30, 2023, 1:15 p.m.
    ...protocol before performing single-cell RNA sequencing. The sequencing results covered TFs representing 92% ...average of 206 cells per TF ORF. From this large sequencing endeavor, a map of possible TF-induced cellular...
  4. Quick Guide to Working with Drosophila Part 2: Controlling Gene Expression in Flies with Gal4/UAS

    Type
    Blog Post
    Published
    July 21, 2017, 12:48 p.m.
    ...transcriptional activator that binds to UAS enhancer sequences found in DNA. It then recruits transcription machinery... genes and siRNA encoded downstream of the UAS sequence are only expressed when Gal4 is expressed. Gal4...multiple genes under the control of UAS enhancer sequences. For example, if you discovered five new genes...
  5. REPLACR Mutagenesis: Replacing In Vitro Recombination Methods

    Type
    Blog Post
    Published
    Feb. 10, 2016, 3:30 p.m.
    .... Piecing together multiple PCR products using sequence homology is also common. Overlap extension PCR... to splice together two PCR amplicons based on sequence homology, and the subsequent product is then digested...fragment ends have secondary structure or too much sequence similarity. REPLACR-mutagenesis: Letting bacteria...
  6. CRISPR-based Genome Editing Systems For Editing in E. coli

    Type
    Blog Post
    Published
    April 13, 2021, 1:15 p.m.
    ...inducible lambda-red gene, and an IPTG-inducible sgRNA sequence targeting the pMB1 replicon on pTargetF (Jiang... this system, you’d first introduce your sgRNA sequence into the pTargetF construct and then introduce... process begins with the addition of the sgRNA sequence in pEcgRNA. Next both plasmids are transformed...pTargetF, we replaced the original 20 bp specific sequences on pTargetF with the ccdB gene containing BsaI...
  7. Plasmids 101: Stringent Regulation of Replication

    Type
    Blog Post
    Published
    June 20, 2024, 1:15 p.m.
    ... strand at each replication fork. Termination sequences present in the chromosomal DNA ensure that the...pSC101 itself. RepA binds to directly repeated sequences called iterons located near the ori and directly...ColIb-P9 plasmid, is complementary to part of the sequence forming this pseudoknot, so its binding prevents...replication may differ in the specialized proteins or sequences necessary for initiation or the mechanisms that...
  8. Hot Plasmids Spring 2024

    Type
    Blog Post
    Published
    May 23, 2024, 1:15 p.m.
    ...platform is compatible with enrichment, single-cell sequencing, and optical pooled screens in human cells. Addgene... improve the specificity of ssAAV, a targeting sequence of miR124T was inserted into the vector to silence...alone or in combination with miR124T targeting sequences, provides a simple yet valuable tool for microglia... REVeRT to functionally reconstituting coding sequences for a range of applications, including CRISPR ...
  9. Deep Mutational Scanning with One Pot Saturation Mutagenesis

    Type
    Blog Post
    Published
    Feb. 22, 2017, 3:30 p.m.
    ...longer stretches of sequence could be used. However, a practical limitation is sequencing depth and cost. ...variants with optimal function. High-throughput DNA sequencing is then used to measure the frequency of each...more codons you test in one library, the more sequencing reads you will need. See Fowler et al for more...
  10. Viral Vectors 101: Viral Applications

    Type
    Blog Post
    Published
    April 13, 2023, 1:15 p.m.
    ...: shRNAs are short RNA sequences which target complementary mRNA sequence for degradation. Viral introduction...viral vector for your gene of interest – an shRNA sequence specific to your gene’s mRNA or a sgRNA targeting...
  11. Fluorescent CRISPR Reporters: SRIRACCHA and GEmCherry2

    Type
    Blog Post
    Published
    May 26, 2020, 1:15 p.m.
    ...in your organism or cell type? You can use DNA sequencing or other molecular cloning techniques to determine...resistance gene followed by the target site (the same sequence you’d like to mutate in the genome) and an out-of-frame.... A gRNA that targets your desired gene (whose sequence is also found in the reporter gene). A control...
  12. Hot Plasmids - March 2020 - base editors, GEVI, MoClo, and optogenetics

    Type
    Blog Post
    Published
    March 3, 2020, 2:15 p.m.
    ...reconstituted in vivo to form a protein identical in sequence to the unmodified enzyme. Each half of the base... cell. Intein splitting removes any exogenous sequences and regenerates a native peptide bond at the split...markers, transformation acceptor vectors, and sequences for genomic integration by homology directed repair...
  13. A Quick Guide to a Career in Software Product Management

    Type
    Blog Post
    Published
    Nov. 24, 2020, 2:15 p.m.
    ...working on lab operations software for next-gen sequencing (NGS), and high-throughput screening. While some...in the US to learn where the gaps are in their sequencing workflows, any problems they’re having with our...region. She is particularly interested in DNA sequencing tech, and the intersection of technology, software...
  14. Plasmids 101: Yeast Vectors

    Type
    Blog Post
    Published
    Feb. 25, 2014, 7:11 p.m.
    ...These vectors contain an Autonomously Replicating Sequence (ARS) derived from the yeast chromosome. As the...part of an ARS along with part of a centromere sequence (CEN). These vectors replicate as though they ...DNA (apparently independent of a known specific sequence) dictate the replication of these vectors. S. ...
  15. RaPID Detection of RNA-protein Interactions

    Type
    Blog Post
    Published
    Aug. 16, 2018, 12:40 p.m.
    ...HHCS-associated sequences had lower IREB2 binding enrichment compared to wild-type sequences and that loss...however, knock-in of BoxB sites into endogenous DNA sequences could allow one to study RNAs expressed from their...
  16. Enhancing CRISPR Targeting Specificity with eSpCas9, SpCas9-HF1, & HypaCas9

    Type
    Blog Post
    Published
    Dec. 16, 2015, 3:30 p.m.
    ...lowering Cas9 expression, and truncating gRNA sequences used for targeting; however, these options can...the gRNA (see figure below) Because off-target sequences have less complementarity to the gRNA, they have...Lab similarly thought that if they could weaken sequence independent interactions between Cas9 and DNA,...
  17. Experimenting in an Open Source lab: from CRISPR to Cats

    Type
    Blog Post
    Published
    July 23, 2015, 2:30 p.m.
    ... available, and the collection of samples and sequencing is being organized and funded by someone else...the makerspace comfortable with next-generation sequencing data and the bioinformatics pipeline. It’s possible... the Illumina GAIIx we recently acquired  for sequencing again - it’s too inefficient and the reagents...
  18. Five Popular Model Organisms

    Type
    Blog Post
    Published
    April 11, 2019, 12:39 p.m.
    ...also the first eukaryotic genome to be entirely sequenced and is very amenable to genetic manipulation. ...organisms, the C.elegans genome is also completely sequenced and over 60% of human genes have an ortholog in...Kerstin, et al. "The zebrafish reference genome sequence and its relationship to the human genome." Nature496.7446...extrachromosomal maintenance and integration of transforming sequences." The EMBO journal 10.12 (1991): 3959-3970. PubMed...
Showing: 181 - 200 of 422 results