We narrowed to 611 results for: RAN-1

...vectors (e.g. pBV-Luc) and gene silencing (e.g. pLKO.1 - TRC cloning vector). Check out our complete guide...). If you can get away with generating transiently transfected cells, you will not need a mammalian selection...mammalian selection cassette to screen for positive transfected cells. The addition of an in-frame fluorescent...create a new strain with a disrupted gene by transforming wild-type yeast with an integrating vector expressing...majority of fly vectors are based on p-element, random or targeted, integration into the fly genome and...applications used to study gene function. From making transgenic animals, gene targeting and genome modifications...

...materials to the research community. References 1. Coroadinha, A. S., et al. "Effect of osmotic pressure... AAV2 interacts with the packaging cell's cell membrane When packaging adeno-associated viral vectors ...to be due to the viral particle’s affinity for heparan sulfate proteoglycans on the surface of the packaging...supernatant, the viral particles associate with the cell membrane and are taken into the cell via endocytosis. In...looking to improve their AAV yields. Given the wide range of downstream applications scientists rely on our...preparation. Through sugar detection assays, in vitro transduction, and silver stain approaches we show that there...test the endocytosis of a fluorescent dye and transduction of GFP-expressing AAV particles we did not observe...

...ScFvs, based on community demand. Figure 1: Antibody against PSD-95 from the Trimmer Lab. Information... our values of transparency, reproducibility, and community-building. The transparency begins with sharing...Addgene’s antibody resource is funded by a generous grant from the NIH’s Brain Research Through Advancing ...share plasmids with each other. Together, we can transform the antibody sharing landscape as well.     References... Improving Reproducibility through Rigor and Transparency of Experimental Methods. Neuron 90(3):434-6.... project is supported by a NIH BRAIN Initiative grant (U24NS119916 ). The content of this article is solely...

...the life scientist or bioengineer.   Figure 1: Map of a plasmid with its elements described below... origin of replication (which controls the host range and copy number of the plasmid) and typically include...for further study. Promoter Region Drives transcription of the target gene. Vital component for expression...cell types. Primer Binding Site A short single-stranded DNA sequence used as an initiation point for PCR...vector containing the newly inserted gene is transformed into bacterial cells and selectively grown on...biologists to broadly utilize plasmids across a wide range of applications. Some common plasmid types include...

...plasmids. The Zhang lab, on the other hand, uses a 1 plasmid, single infection system. Genome wide mouse...target cells that have previously been stably transfected for Cas9 expression. The Yusa lab has used their...

... email in a busy inbox. Updated policy As of July 1, 2025, we are updating our Hold for Publication policy...materials are both excellent ways to provide transparency, support reproducibility, and accelerate science...

...literature? Very often the data of interest are in 1 or 2 figures from one paper and then another figure...preprints, data, software, micropublications) in grant proposals. ReFigures are one such research product...

...could be kept frozen after collection. Figure 1: Paul included a voltmeter on top of the battery box...ahead of time included contacting YNP staff to arrange permits to visit places not accessible to the public...night was fun but also very tiring. It feels a bit strange to be using a micropipette and gloves at a campsite...similar to a type II-C Cas9 from Parvibaculum lavamentivorans, whose optimal growth temperature is 30°C. ...rRNA in bacterial RNA-Seq. This enriches for transcripts of interest without an increase in the number...

...sequencing the unique DNA barcodes. Figure 1: Schematic of barcoding with a pooled library. Created...Variations of this library allow tracking of transcription or chromatin accessibility at the single-cell... however, nuclease-dead Cas9 is fused to a transcriptional activator or repressor to create a reversible...Zhang lab developed this library of all human transcription factors, including splice isoforms, to allow...ExpRession Element. This library consists of broad host range regulatory sequences ready to be assembled with ...

...into three main effector functions.  Figure 1: Fc effector functions in an immune response to a ... the pores being opened in the pathogen’s cell membrane (Dunkelberger & Song, 2010). As cells cannot survive... survive when holes are punched in their membranes, the pore'd pathogens quickly lyse and die.  Antibody...where the eosinophils release cytotoxins via degranulation.  Antibody-dependent cellular phagocytosis (...

...do researchers track fluorescently labeled cells? 1. Epifluorescence microscopy This technique uses a ...of the immune system and its dynamics. References 1. Peters, Nathan C., et al. "In vivo imaging reveals...for a growing organism to make the complicated transition from a clump of cells to a fully differentiated...cooperate to cause a higher-energy electronic transition in a fluorescent molecule (see figure to the ...past 15 years efforts have been made to create transgenic mice expressing fluorescent protein reporter ...microscopy enabled scientists to see how chaotic and random the scanning was and how fast T cells could jump...Blue-green fluorescent proteins like EGFP Yellow-orange fluorescent proteins like TagRFP, tdTomato, DsRed...

...targeting MNase to antibody bound proteins (Figure 1). Importantly, since Protein A has weaker affinity...sonification. Though it helps capture weaker or more transient DNA-protein interactions, the reliance on fixation...McKay lab we study how differential access to transcriptional regulatory elements is controlled during development...

...in online patient/caregiver communities  Table 1: Examples of defining your audience for science communication...  For example, while “PCR test” has recently transitioned from jargon to non-jargon in the context of ...number of characteristics. Common ones include age range, familiarity with the subject, shared interests,...

...year and happy reading! Top 10 blog posts of 2015 1. CRISPR 101: Homology Directed Repair Addgenie Chari...used to generate inversions, deletions, and translocations. It also provides researchers with many different...Where Do I Find One? If you need help making a transition into a new job or maybe to an entirely new career...

...Rechsteiner M. Cell. 1982 May;29(1):33-41. PubMed. Protein transduction: unrestricted delivery into all...protein Tat. Although CPP fusions can translocate a cell membrane, the presence of the CPP may alter protein... (78-79% after two rounds of transduction.) Compared to CCP transduction, iTOP is at least four times ..., and cell death post-transduction is low. Neuronal stem cells transduced with iTOP resulting in...lab suggests that primary cells may be better transduced using only protein. Read on for a description...description of the lab’s iTOP protein-only transduction method and its potential applications to CRISPR/Cas9 genome...genome editing.   Protein-only transduction? Niels Geijsen’s group in Utrecht wanted to pursue a nonviral...

...double-stranding step and reduces both the time and cost for AAV genome sequencing.  Figure 1: The...previously require a preliminary double stranding step. The double stranding step was assumed to be necessary...genome is single-stranded and both TA-based ligation and tagmentation require a double-stranded template.  ...extraction, the [+] and [-] strands might naturally associate forming a double-stranded species that could be...extract is a heterogeneous mix of single-stranded and double-stranded species. While not all of the molecules...extract associate with complementary strands, enough double-stranded species exist in the mix to serve as...viral genome We hypothesized that this double stranding step might not actually be necessary. Since the...

... double-stranded breaks and can deliver large sequences and even entire genes. Figure 1: Mechanism...affiliated TniQ protein recruits transposition cofactors. The transposon proteins integrate a payload sequence... like we finish writing about one dual CRISPR-transposon system before another exciting new advance emerges...combined with the large sequence capacity of transposons open whole new worlds to explore. The newest ...called evoCAST — an evolved CRISPR-associated transposase (CAST). Back up a second. What are CASTs? CASTs...bacteria. In the course of evolution, Tn7-like transposons captured and repurposed nuclease-deficient CRISPR-Cas...Cascade shown) combines with a donor template and transposon proteins (Tns) to integrate large sequences into...

... Complex Synthetic Transcriptional Programs with CRISPR RNA Scaffolds. Cell, 160(1), 339-350 (2015). PubMed...recent paper, "Engineering Complex Synthetic Transcriptional Programs with CRISPR RNA Scaffolds." Adam has...visualize the concepts discussed in the paper. The transcriptional control of multiple loci is deftly coordinated...cerevisiae with few techniques that are easily transferrable across host species or metabolic pathways. A...CRISPR-based RNA scaffolds to mimic natural transcriptional programs on multiple genes. Modifying the ...synthetic RNA scaffolds that can recruit various transcriptional regulators (Zalatan et al. 2015).  These scaffolds...nucleotide sequence then subsequently recruit a transcriptional regulator to modulate expression at that locus...

...heat-fixed smear with the crystal violet stain for 1 minute. Rinse the slide briefly with tap water. Flood...diderms, have a thinner peptidoglycan membrane and an outer lipid membrane. Common gram negative bacteria include...within their membrane, while the stain is washed from the gram negative bacteria’s thinner membrane. Procedure...destroys the outer lipid membrane, and the thin inner peptidoglycan membrane is unable to retain the stain...expanded on Gram’s discovery, adding a second stain, safranin, as a counterstain to help visualize the bleached...or monoderms, have a single thick peptidoglycan membrane. Common gram positive bacteria include staphylococci...and immediately rinse. Flood the smear with the safranin counterstain for 30 - 60 seconds. Rinse the slide...

...Tetbow (Tetracycline trans-activator Brainbow) (Sakaguchi et al., 2018) (Figure 1). Once introduced, fluorescent...fluorescent protein (XFP) genes in a transgene. When multiple copies of the transgene cassette are introduced, stochasticity...fluorescent proteins is only possible at low copy number ranges, resulting in low fluorescent protein level. The...gene delivery is more common than conventional transgenic strategies. In such vector-based gene delivery...in the original method, we used the Tetracycline trans-activator system to boost the expression levels,...expression level of XFPs, most likely by suppressing transcription. It is critical to express a minimal amount ...Bio-Protocol 8 (2018): e3046. Livet, Jean, et al. "Transgenic strategies for combinatorial expression of fluorescent...