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We narrowed to 736 results for: RAN-1

Showing: 501 - 520 of 736 results

  1. Our Most Popular Blog Posts from 2019

    Type
    Blog Post
    ...changes.   1. Plasmids 101: Transformation, Transduction, Bacterial Conjugation, and Transfection by Alyssa...editing. Using a fusion between Cas9 and reverse transcriptase and a prime editing guide RNA, it can introduce...

  2. Bringing Sustainable Practices to the Lab: Innovations

    Type
    Blog Post
    ...Consistency, and Transparency. This label scores products by their environmental impact on a scale of 1-10: the... but with the right incentives (for example, by grant agencies), we can shift toward a more sustainable...your RMV to the landfill, it’s collected and transferred to the Red2Green processing facility, where it...

  3. Three Tips to Organize Your Lab Notebooks in the New Year

    Type
    Blog Post
    ...organized and boost your productivity in 2014. Tip 1: Use color coding, labels, and post-its to make finding...pile of lab notebooks and binder on your desk. Arrange them in chronological order (or by project, if ...Organize you experiments, keep track of upcoming grant deadlines, and sync everything to your calendar....lists of your upcoming tasks, set deadlines, and arrange automatic email reminders. These programs can be...

  4. Antibodies 101: The Basics of Western Blotting

    Type
    Blog Post
    ... western, proteins are: (1) separated by size, (2) transferred to a membrane, and  (3) detected using ...using antibodies.   Figure 1: Overview of the Western blot process. The sample, a mixture of protein...systems efficiently transfer a range of protein sizes in minutes without any transfer buffer. These systems...protein is separated in a gel, transferred to a membrane, stained with antibodies, and finally visualized...a broad size range to be separated on a single gel.  Immobilizing proteins on a membrane Once separated...migrate out of the gel and attach to the membrane.  In a wet transfer system the sandwich is completely submerged...filled with a transfer buffer formulated to conduct the electric current. The wet transfer process is very...

  5. CRISPR 101: Epigenetics and Editing the Epigenome

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    Blog Post
    ...also available for lentiviral transduction. Lysine-specific Demethylase 1 (LSD1) Tatjana Sauka-Spengler's...P2A-PuroR for lentiviral expression. Figure 1: dCas9-p300 adds H3K27ac marks to histones in promoter...light to regulate transcription, also includes light-regulated histone methyltransferases and deacetylases...CRISPR Epigenetics resource. Transcriptional activation p300 acetyltransferase dCas9 fused to the catalytic...other Tet1 delivery systems. Transcriptional repression DNA Methyltransferase 3 Alpha (DNMT3A) Vlatka Zoldoš... PuroR enable sorting and selection of transduced cells. Grant Challen’s lab also created constitutive...associated with transcriptional repression. Created with BioRender.com. DNA Methyltransferase MQ1 Margaret...

  6. Hot Plasmids: Spring 2025

    Type
    Blog Post
    ... and deep-brain fiber photometry.  Figure 1: Characterization of iGluSnFR4 in mice. A) Scheme ...CycT1 or PolII-CTD antibodies and unlabeled MS in DLD-1 cells (colorectal cancer). Image courtesy of Brianna...al., 2025). In retrotransposon insertion, a combined endonuclease-reverse transcriptase uses homology ...fused to a shortened R2Tocc transposon protein, and can "retarget" the transposon to new loci in the genome...genome. The modified transposon RNA has untranslated regions (U, blue) on the outside of the homology arms...-associated membrane protein 5 (LAMP5) — as well as cholinergic (choline acetyltransferase, ChAT) neurons...is one of the most important and abundant neurotransmitters, but it is challenging to monitor because ...

  7. Exploring Applications of the Bioluminescent HiBiT Tag

    Type
    Blog Post
    ...reconstitutes a fully functional luciferase enzyme (Figure 1). Addition of substrate generates a proportionate ...questions before creating knock-ins.  Figure 1: Schematic of HiBiT tagging technology.   The...HiBiT-tagged targets in translational research Researchers can incorporate HiBiT with a wide range of workflows,...fibrosis transmembrane conductance regulators (CFTR) (Kamada et al., 2023). CFTR is a membrane protein ...reporter to show that the mutants abolished transcriptional activity, even in the presence of endogenous...editors Tracking factors that utilize exosomal transport is quite challenging. Work by Shibata et al. (...converts adenosine to inosine (A-to-I) within double-stranded RNA. They hypothesized that if ADAR1 were carried...

  8. CRISPR 101: Engineering the Plant Genome Using CRISPR/Cas9

    Type
    Blog Post
    ...Presented in figure 1). More information on Agrobacterium-mediated transformation can be found in this...interest. Figure 1: Simplified schematic of agrobacterium-mediated transformation in plant cells. Agrobacterium...variants (hereafter referred to as Cas9) and a single stranded guide RNA (gRNA) is sufficient to modify the genome...variants have been created in an effort to increase translation in a particular plant species or cell type (Belhaj...CRISPR components can be expressed stably or transiently depending on the delivery method and cell type...CRISPR components can be delivered and expressed transiently using a standard detergent, Polyethylene Glycol...plant genome. B) The Ti plasmid and helper are transformed into agrobacterium tumefaciens and exposed to...

  9. Technologies Enabled by NanoLuc® Luciferase

    Type
    Blog Post
    ...furimazine by Promega’s Chemistry group is a good story (1). From a deep sea shrimp to a compact powerhouse of...cellular analysis products at Promega.     References 1. Hall, M.P., et al. (2012) Engineered luciferase reporter...process known as bioluminescent resonance energy transfer (BRET). The fluor then emits light at a tissue-penetrating... consists of NLuc fused to the more penetrative orange fluorescent protein fusion (OgNLuc). Both fluorescent...for excitation. The result was the cyan-excitable orange fluorescent protein, CyOFP1. CyOFP1 was molecularly...and improved maturation time compared to similar orange fluorescent proteins. In their work, the authors...great imaging tools generate cyan, yellow, green, orange and red fluorescence. The paper reports a wide ...

  10. Finding Your Science Policy Path

    Type
    Blog Post
    ...relations, advocacy, and writing legislation (see Figure 1 for career map). The beautiful part of science policy...about science policy as a profession. Figure 1: Science policy can lead you to many paths! For a ...AAAS Science and Technology Policy Fellow at the Veterans Health Administration. “But, seriously, what even...Science and Technology Policy Fellow (STPF) at the Veterans Health Administration, I could never get one straight...variety of backgrounds with technical expertise that ranges from astronomy to bioethics to chemical engineering...happen at the national level within the executive branch or in Congress, or can also happen at the state... early career researchers who have decided to transition out of academia from graduate school or a postdoc...

  11. Microbes: Look, Listen, and Tell

    Type
    Blog Post
    ...communication check out these SciComm blog posts. References 1. Bourdeau, Raymond W., et al. "Acoustic reporter genes...topics both interesting and approachable!   The grand finale of visual impressions was delivered by the...

  12. Addgene's Top Blog Posts from 2020

    Type
    Blog Post
    ...five methods for extracting DNA without a kit too. 1. Early Career Researcher Toolbox: Free Online Molecular...sharing even broader and began working with tech transfer offices to make reagents available to scientists...

  13. Easing the Protein Purification Process with pCri

    Type
    Blog Post
    ...individually or as a complete kit from Addgene. References 1. Goulas, Theodoros, et al. "The pCri system: a vector...contains the MISTIC (membrane-integrating sequence for translation of integral-membrane protein constructs...glycosylate proteins and may recapitulate the post-translational modifications added to proteins in other eukaryotes...includes a special feature for difficult-to-purify membrane proteins. pCri vector pCri-13a, designed for use...protein tag. MISTIC drags tagged proteins into the membrane and may improve expression of proteins that natively...

  14. Six Spooky Science Stories and Halloween at Addgene

    Type
    Blog Post
    ...Molecular and cellular endocrinology 215.1-2 (2004): 1-10. PubMed PMID: 15026169. Soo, Rochelle M., et al...ve also carved pumpkins (yes, Blugene made an appearance there too) and shared fascinatingly creepy science...algae cell is just the cell wall and cytoplasmic membrane. Vampirovibrio chlorellavorus will not grown in... the snail, the larvae reach the eyestalk and transform them into a pulsating display imitating a moving...grasshoppers and crickets. When it’s ready to transform into an aquatic adult, it forces its insect host...uninfected grasshoppers, including those linked to neurotransmitter activity and geotactic behavior (Biron et ...

  15. Optogenetics Guide

    Type
    Guide
    ... phototropin 1 LOVETRAP reversibly sequester and release proteins from cellular membranes using light....algae Chlamydomonas reinhardtii . Channelrhodopsin-1 (ChR1) is excited by blue light and permits nonspecific...concept of optogenetics. 2012 Prog Brain Res. 196: 1-28. PMID 22341318 Gradinaru V, Zhang F, Ramakrishnan...diversifying and extending optogenetics. Cell. 196:1-28. PMID 20303157 Han X, Boyden ES. 2007 Multiple-...Limitations and Future Developments. Exp Physiol. 96(1): 19–25. PMID 20621963 Mattis J, Tye KM, Ferenczi ...wavelengths, ranging from blue to yellow to red. Red light exhibits better tissue penetrance, which may ...including protein activation, membrane localization, and transcriptional activation. In the widely used...

  16. Promoters

    Type
    Guide
    ...sense or coding strand of the transcribed gene (Figure 1). The coding strand is the DNA strand that encodes...noncoding strand, as this is the strand that is transcribed by the RNA polymerase. Figure 1: Simplified promoter...Mammalian Strong promoter from human elongation factor 1 alpha PGK Constitutive Mammalian Promoter from phospholycerate...to the mRNA transcript produced. The antisense strand is referred to as the template strand or noncoding...initiation of transcription, whereas transcription factors promote the initiation of transcription. The binding...template for the translation of a protein. RNA polymerase III — transcribes genes encoding transfer RNAs (tRNA... eukaryotic promoters, including transcription and the transcription complex. Educational...

  17. Build Your CRISPR Vocabulary

    Type
    Blog Post
    ...proteins, DNA, and RNA used in CRISPR.   Figure 1: Overview of the parts of CRISPR. The bacterial chromosome...target and nontarget DNA strands upstream of the PAM site found in the nontarget strand. Protein Cas: ...sequences and keeping the array organized. Target strand: The strand of foreign DNA that Cas proteins recognize...recognize using an RNA guide. Non-target strand: The paired strand of foreign DNA cut by Cas9, whose sequence... and variable spacer sequences. The array is transcribed and processed into crRNAs, each including one...protospacer-adjacent motif” present in the non-target strand of DNA to be cut, which varies between CRISPR systems...from Addgene!   RNA crRNA: “CRISPR RNAs” are transcribed from the CRISPR array and include a spacer and...

  18. Fluorescent Proteins 101: Fluorescent Biosensors

    Type
    Blog Post
    ...of experiments they are commonly used for.  Table 1. Points to Keep in Mind When Performing Biosensor ...enzyme or transcriptional activation, conformational changes, translation, and protein translocation. Targeting...triggers CaM/M13 interaction that increases FRET transfer between the fluorescent proteins. FRET is highly...characteristics like pH, redox state, and voltage across membranes. These sensors generally follow the same pattern...an organelle-specific targeting signal or a transmembrane domain, biosensors can be targeted to a particular...endoplasmic reticulum (ER), vacuole or cellular membranes. Examples include blue flame mitochondria-targeted...

  19. IDP and your PI: A Roadmap for Career Planning and Personal Development

    Type
    Blog Post
    ...strategies in the comments section!   References 1. Yearly Planning Meetings: Individualized Development...then formulate a plan to further develop your transferable skills and reach your career goals.      Although... What Makes a Good Manager Anyway Developing Transferable Skills During Science Training ...
Showing: 501 - 520 of 736 results