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We narrowed to 789 results for: mpl

Showing: 221 - 240 of 789 results

  1. Design Tips for Prime Editing

    Type
    Blog Post
    Published
    Jan. 23, 2025, 2:15 p.m.
    ...binding site (PBS) complementary to the genome and a reverse transcriptase (RT) template including the desired...reverse transcriptase template, starting with about 10–16 nucleotides. For longer templates, it is even more...primer binding site (PBS) and reverse transcriptase template (RTT). Created with BioRender.com. The first...encourage the cell to use the edited strand as a template during DNA repair. Test multiple nick sites, starting...Nureki, O. (2014). Crystal Structure of Cas9 in Complex with Guide RNA and Target DNA. Cell, 156(5), 935...

  2. Plasmids 101: The Wide World of Natural Plasmids

    Type
    Blog Post
    Published
    Oct. 8, 2024, 1:15 p.m.
    ...toxins are the clearest example of a plasmid benefiting its host. For example, cells with a penicillin...genes between bacteria can also have serious implications for public health. Bacteriocin plasmids: microbial...plasmids likely have undiscovered functions, many are simply genetic parasites. Cryptic plasmids tend to be ...Shareck et al., 2004). Plasmid categorization is complex Plasmid classification has shifted over the years...Plasmids may also have more than one function: for example, Gateway cloning relies on genes found on an E....plasmids without clear analogues in nature. For example, helper plasmids were developed to replace helper...

  3. Hot Plasmids and Viral Preps - March 2021

    Type
    Blog Post
    Published
    March 23, 2021, 1:15 p.m.
    ... SCF E3 ubiquitin ligase complex. In the presence of auxin, this TIR1 complex binds to the degron sequence...assembly By Eric Perkins Though it’s easy enough to contemplate DNA in terms of its sequencing, in vivo studies...a nucleus -> DNA compaction around histones -> Examples of histone-modifying enzymes and reader-effector...assembly (backbones available at Addgene) with examples of potential synthetic chromatin mediators and...and should be varied as it can have important implications for the fusion protein effectivity), and a fluorescent... developed by Taekjip Ha’s lab where Cas9-gRNA complex binds the target DNA without cleavage until it'...

  4. Using AAV for Neuronal Tracing

    Type
    Blog Post
    Published
    Aug. 9, 2018, 1:04 p.m.
    ...connections between different brain regions. For example, communication between the hippocampus and the ...dendrites of proximal neuronal cells. In the specific example of episodic memory, a subset of hippocampal neurons...it (i.e. where the signals come from and what implications their signaling is likely to have). Anterograde...for review see Dietzschold et al., 2008). Herpes Simplex Virus (HSV) also migrates through neurons where...that express Cre in only specific cell types, for example only dopaminergic neurons, neuronal tracing has...unique hue (plasmids at Addgene). A large-scale example of neuronal tracing with AAV vectors is the Allen...part of the brain in a less invasive manner . For example, in neuromuscular diseases it would be desirable...

  5. Plasmids 101: 5 factors to help you choose the right cloning method

    Type
    Blog Post
    Published
    Aug. 21, 2018, 12:31 p.m.
    ...colleagues. Here you simply PCR-amplify your vector and your insert, DpnI digest away the templates, and transform...will require a PCR reaction or two to generate templates for the cloning process. Time spent actually doing...relatively new to the cloning game, however, or simply looking for a more streamlined approach, you might...Golden Gate assembly allows one to simultaneously complete an ordered set of scarless ligations following...1. Li, Chaokun, et al. "FastCloning: a highly simplified, purification-free, sequence-and ligation-independent...

  6. Starter guide to induced pluripotent stem cells (iPSCs) part 1:  A renaissance in regenerative medicine

    Type
    Blog Post
    Published
    Oct. 30, 2018, 1:04 p.m.
    ...thought of as descendants of totipotent cells. An example of pluripotent cells is embryonic stem cells (ESCs...lineage. Blood (hematopoietic) stem cells are a good example of multipotent cells. Unipotency: As the name suggests... mostly from abnormal and/or supernumerary preimplantation embryos that are produced during in vitro fertilization...maintain cell numbers or replenish dying cells. For example, hematopoietic stem cells found in the bone marrow...in science communication and publishing after completing her postdoctoral training from Massachusetts ...Extraction of Pluripotent Embryonic Stem Cells: Implications for Regenerative Medicine and Reproductive Medicine...embryonic stem cell lines from IVF embryos after preimplantation genetic diagnosis. Hum Reprod, 2008. 23(1):...

  7. Adenoviral Delivery of CRISPR/Cas9 Aims to Expand Genome Editing to Primary Cells

    Type
    Blog Post
    Published
    Dec. 10, 2020, 1 p.m.
    ... et al., 2015). In these studies, the strategy employed was to deliver a standard AdV vector to the targeted...AdV-mediated transduction of gRNA:Cas9 ribonucleoprotein complexes into transformed and non-transformed cells yielded...genes. For this you would need to provide a DNA template to repair the double strand break via homology...Cas9/sgRNA and one vector for your specific DNA template. Using this two vectors system, Manuel Gonçalves...a potential platform that could be realized via simple switching of the relevant gRNAs and donor DNA Adenoviral...tools can also be used to deliver Cas9 and DNA templates in somatic cells of adult animals in order to ...vector delivery of RNA-guided CRISPR/Cas9 nuclease complexes induces targeted mutagenesis in a diverse array...

  8. When is a Monomer not a Monomer? The Top Three Ways Your Favorite Fluorescent Protein Oligomerizes in Cells

    Type
    Blog Post
    Published
    April 19, 2016, 2:30 p.m.
    ...some simple solutions available for researchers to deal with all of these problems. The simplest and best...forming dimers in cells. Why should you care? Three simple ways a dimeric FP could ruin your day (and experiment...cell. The Kd of EGFP is 0.11 mM [2]. Following the simple logic outlined above, you might think EGFP is unlikely... a cell. Unfortunately, things are not quite so simple. Concentration is the number of molecules within...around that fusion protein is very high. Real world examples of these situations in cells are described below...form heterodimers (i.e. EGFP and mCherry). These simple strategies can help you make better fluorescent...

  9. CRISPR 101: Cytosine Transversion Editors

    Type
    Blog Post
    Published
    March 25, 2025, 1:15 p.m.
    ...and replaced it with a double-bonded oxygen. This simple enzymatic reaction enabled conversion between the...and one-ring pyrimidine base. This is a far more complex chemical task, not a job for a single enzyme. ...bind DNA, Cas9 requires (1) a guide RNA, (2) a complementary DNA sequence, and (3) a protospacer-adjacent...separate and preventing repair based on the complementary strand. This could explain why the edited U ...original G is not primarily converted back to a complementary C. Optimized base editing with eOPTI-CGBE and...so the Yidi Sun and Erwei Zuo labs tested and implemented several of these advances for CGBEs (Yuan et ...replaces a target region with a newly synthesized, templated sequence. And the story still isn’t over! Keep...

  10. New Optimized Genome-wide CRISPRko, CRISPRi, and CRISPRa Libraries

    Type
    Blog Post
    Published
    Oct. 4, 2018, 12:44 p.m.
    ...the other screen, implying that ORF and CRISPRa libraries can be used in complement to study gene function... stranded DNA breaks that commonly result in a complete loss of function while nuclease-deactivated Cas9... in the depletion of essential genes. In the subsampling analysis of the sgRNAs, Brunello even with only...have several limitations. CRISPRko results in a complete loss of function meaning that if an essential ...transcriptional activation by an engineered CRISPR-Cas9 complex." Nature517.7536 (2015): 583. PubMed PMID: 25494202...et al. "A protein-tagging system for signal amplification in gene expression and fluorescence imaging....

  11. MXS Chaining

    Type
    Blog Post
    Published
    Feb. 7, 2017, 3:30 p.m.
    ...many biological fields. In synthetic biology for example, high-throughput cloning can be used to combine...one such technique and has been used to produce complex fluorescent reporter constructs. These fluorescent... variety of other clever applications. In one example, modular constructs generated with MXS-chaining...being directional, meaning that (in the previous example) one can control whether the third module is added...various cloning methods are listed in Table 2. For example,  chaining-based cloning methods require that the...general types of modules can be assembled. For example, because CpG dinucleotides are underrepresented...these types of constructs robustly, quickly, and simply. We hope that you can similarly apply MXS chaining...

  12. Course-Based Undergraduate Research Experiences (CUREs)

    Type
    Blog Post
    Published
    Feb. 9, 2023, 2:15 p.m.
    ...his program. Initially, Provost made his labs completely open-ended, allowing every student to work on... the culmination of many such experiences. For example, students in Provost’s course recently used a combination...Kowalski et al., 2016; Scott, 2021). In fact, completion of Provost’s CURE increased students’ confidence...Community (MCC) that seeks to reduce barriers to implementation. Funded by the NSF (with Co-PIs Jessica Bell...for your classroom, I highly recommend you try implementing one. It's likely only a matter of time before...Poirier, V., Pellettieri, J. 2020. The exon junction complex is required for stem and progenitor cell maintenance... Kowalski, J., Hoops, G., Johnson, J. 2016. Implementation of a collaborative series of classroom-based...

  13. A Career in Grants: How To Become a Grant Professional

    Type
    Blog Post
    Published
    Aug. 20, 2015, 2:30 p.m.
    ...collaborations, and commitments to and proof of compliance with the grantor’s requirements as well as state...expertise on the processes needed to successfully implement, manage and close-out a grant. Grant professionals...reports are submitted and project evaluations are completed. To enter and advance the profession, you can ....S. Bureau of Labor and Statistics shows that employment of grant writers is expected to grow by 16% between...grant by another state. With the blessing of my employer, I took on my first consulting job, and I began...mentoring. How do I become a grant professional? Employment opportunities for those with expertise in grant...application writing and development, project implementation, program evaluation and grant management.  ...

  14. Interview: Hodaka Fujii on enChIP, New CRISPR Tools, and More

    Type
    Blog Post
    Published
    Dec. 2, 2014, 7:23 p.m.
    ...enChIP system enables us to express the CRISPR complex much easier in various cells, including primary...technologies consisting of iChIP and enChIP are recent examples. We also developed the inducible translocation...interference-PCR (ORNi-PCR) method to suppress PCR amplification of specific DNA sequences. Thus, we've made ...system of journals and grant applications, for example. However, at the same time, it's fun to be involved...professional activities because I can contribute by, for example, helping to improve the papers submitted to journals...give to post-docs and graduate students as they complete their appointments in your lab?  Fujii: These ...develop new technologies, hopefully they'll be completely different from what we are now doing in my lab...

  15. Plasmids 101: How to Name Your Plasmid in 3 Easy Steps

    Type
    Blog Post
    Published
    Feb. 13, 2014, 1 p.m.
    ... used as the first letter of a plasmid name and simply denotes that the object is a ‘plasmid’. “p” is ... empty backbone name in your plasmid name. This simple piece of information can often convey many important...insert abbreviation to specify what species it is. Example: ‘h’ is for Human (homo sapiens), ‘m’ is for mouse...plasmid and their relative position to the insert. Example, if you have a Flag tag on the N-terminal of your...directly before or directly after the insert name.   Example: If the Glutamine at position 295 was mutated to...pBACKBONE-Flag-hGene-EGFP or pBACKBONE-Flag-hGene(wt)-EGFP These simple rules allow any scientist to know what is in a ...

  16. Using Video to Share Your Science: We Share Science

    Type
    Blog Post
    Published
    Nov. 3, 2016, 2:30 p.m.
    ...fields in order to provide useful solutions to complex challenges. As a cross-disciplinary researcher,...Many of the challenges in science today are too complex for any single discipline to solve them on their... in terms of communicating ideas. In 2012, for example, 3 billion hours of video were watched each month... disciplines leading the way, the future of complementing published research with video overviews was ...when it is of quality). On the site you can, for example, learn about how researchers are using “big data...contribution. It offers a 5-step process and several examples for creating effective research videos.  Karen...derived from research. The platform uses video to complement traditional print journals and expand our ability...

  17. Advancing Biology with Zebrafish: Genetic Tools for Developmental Studies and More

    Type
    Blog Post
    Published
    Aug. 13, 2019, 12:58 p.m.
    ...whole-genome/transcriptome” studies, in which, for example, the activity of all genes in response to an experimental...the globe (Nüsslein-Volhard et al., 2012). One example (which I will come back to) is the one-eyed pinhead...mutant, which regulates a developmental pathway implicated in congenital heart defects and cancer. These...morpholinos. When injected into zygotes, morpholinos complementary to a target mRNA inhibit its translation either...genome is useful for a variety of applications. For example, specific tissues such as blood cells or neurons...regulatory systems have also been successfully implemented in zebrafish. Developmental biology insights ...well-suited for neuroscience investigations. For example, neuronal activity can be tracked in whole brains...

  18. Plasmids 101: Stringent Regulation of Replication

    Type
    Blog Post
    Published
    June 20, 2024, 1:15 p.m.
    ...appropriate time—for example, the cell must have enough nutrients available to complete the entire round ...and regulation in bacteria Before looking at an example plasmid, let's review how E. coli normally replicate...chromosomal replication. Adapted from BioRender template. Since DnaA binding is necessary to initiate... stringently regulate plasmid replication. For example, the plasmid ColIb-P9 encodes the protein RepZ ...Inc, also encoded by the ColIb-P9 plasmid, is complementary to part of the sequence forming this pseudoknot...replication. At high copy numbers, RepA proteins form complexes between iterons on different plasmids in a process...

  19. CRISPR Activation: A Practical Guide

    Type
    Blog Post
    Published
    Aug. 18, 2016, 2:30 p.m.
    ...certain loci to create changes in phenotypes. For example, CRISPR activation has been used to differentiate...gRNAs targeting every gene in the human genome for example, can be made easily and cheaply using oligo library...change the sequence targeted by the activator by simply providing a new gRNA rather than engineering an...allows for exploratory-based research as well. For example, CRISPRa can be used to find potential cancer drug...transcriptional activation by an engineered CRISPR-Cas9 complex. Nature 517:583–588 . https://doi.org/10.1038/nature14136...Kadoch C (2018) Interrogation of Mammalian Protein Complex Structure, Function, and Membership Using Genome-Scale... (2014) A Protein-Tagging System for Signal Amplification in Gene Expression and Fluorescence Imaging....

  20. Tips for CRISPR Gene Editing in Mice

    Type
    Blog Post
    Published
    June 28, 2016, 10:59 a.m.
    ...coming weeks, but, in this post, we will outline a simple method for selecting the guide RNA, validating ...CRISPR Design tool supplied by the Zhang lab. This simple website invites you to input the target region ...happy with your selection, ordering the sgRNA is simple and easy. Several companies supply gRNA sequences...you gRNA in vitro first. In vitro screening is a simple and fast method for validating your selected gRNA...base pair sequence surrounding your gRNA. Once amplified, you can insert this region into a pCAG-EGXXFP...). Testing the efficacy of your gRNAs is then a simple matter of transfecting HEK293T cells with your ...perfect primer sets to use to genotype your pups. A simple PCR with these primers will let you know if there...
Showing: 221 - 240 of 789 results