...Bárbara Pinho, a science communicator at the Portuguese science museum "Fábrica Centro Ciência Viva" in... these stromal cell modifications, stromal cells are also constantly communicating with a tumor, proving... is currently a science communicator at the Portuguese science museum "Fábrica Centro Ciência Viva" in...tumor recurrence and poor clinical outcome in human breast cancers." The American journal of pathology 174.6...reprograming influence tumors development? Being pathological active regions, microenvironments shape a tumor...Proficient in transportation, exosomes are tools of communication and provide malignancy to the microenvironment...interested in science journalism and writing about biomedical issues. Follow her on Twitter @BrbaraPinho6. ...

...through our lab using barcoded tubes and plates. The critical pieces of information for a given plasmid are ...plasmid sequence. Other information may also be critical to the maintenance and use of certain plasmids...access and use the materials they need, and avoid duplicating your effort. In addition, if you should choose...for the process. Always sequence verify Once the physical sample and its associated information are at Addgene...recover around 750 bp of clean sequence from a typical reaction, or about 250 amino acids worth, so make... for more tips on sequence analysis, plasmid verification, and using NCBI BLAST. Tips for high-throughput...comparable success rates and sequence quality, which is critical for the efficient handling of large numbers of...

...Red arrows indicate a conversion directly catalyzed by the base editor. Black arrows indicate natural cellular...editors (CBEs) and adenine base editors (ABEs) chemically modify target bases without breaking the DNA ...one-ring pyrimidine base. This is a far more complex chemical task, not a job for a single enzyme. Base ...editing works in general. Base editors use either catalytically dead Cas9 (dCas9) or a Cas9 nickase (nCas9) ... an engineered adenosine deaminase capable of chemically converting adenosine (A) to inosine (I, treated...converting the C base to uracil (U). This is the same chemical reaction performed by CBEs. However, most CBEs...improved editing in various cell types, although efficacy varied among target sequences. The researchers...

...plasmids available at Addgene. We will still periodically focus on specific CRISPR plasmid tools more ...editors Nme2Cas9 CRISPR interference in Candida albicans E. coli genome-wide inhibition library To expand...libraries also include 2,400 gRNAs without any significant hit across the E. coli genome as a negative control... control. Read the paper in Nature Communications Find the E. coli genome-wide CRISPR inhibition library...Homology-directed repair (HDR) can be used to make precise modification in genome editing. However, HDR efficiency is...efficiency up to 30-fold. Read the paper in Communications Biology Find the Cas9-PCV and PCV-Cas9 plasmids... fold and >3,800 fold in human cells with no significant reduction in editing efficiency. Read the paper...

...characters. A descriptive purpose focuses on the practical application of the plasmid and will help a scientist...species can be indicated in the “Species Other” column. Relevant Mutations Indicate the amino acid...usually very easy — our tech transfer team will communicate with your organization’s technology transfer ...name and match the name as it appears in its publication or as it is commonly known in your lab. Plasmid...reagent/antibody, unspecified, or other. If other, indicate type in “Vector Type Other” column. For example...or room temperature. Growth Strain Please indicate which growth strain Addgene should propagate your...For plasmids that contain the R6Kγ origin of replication, choose the Pir1 strain. If your plasmid cannot...

...genetic modifications into mouse embryos. But once you generate a growing colony of genetically engineered...epigenetic modifications. Special breeding cases Whether your mouse colony consists of genetically engineered...Cre-lox lines, and how to properly control for genetically engineered mice in your experiment. As you’ve...ve learned in Part 1, there are many types of genetically engineered mice: transgenic mice, knockin and...techniques are each useful for introducing one modification into the mouse genome, they are not commonly...parental mice In order to ensure that your genetic modification will be passed along to all of the offspring...getting a small piece of tissue from each mouse (typically via either a blood draw, tail clip, or toe clip...

... Molecular Biology (roughly a B average in the American system), in 2009 (at the beginning of the financial... this summer position as I felt I needed more practical lab experience to later gain a full time position...really enjoyed some aspects of the work, such as physically carrying out experiments like PCR and running...experience during research. Working abroad in rural Africa Once this position ended, I wanted to explore another...least 3 months experience working in a developing tropical country. This is why I set up a placement working...first aid. This really allowed me to see the practicalities of working in the field with the most basic...recession. As each advertised job received many applications, employers were requesting that only scientists...

...What’s behind these sights are an abundance of biological molecules like chromoproteins, fluorescent proteins...proteins and luminescence have been widely used in biological research for a long time, chromoproteins are ...just now being developed for a broad range of biological inquiries.  What is a chromoprotein and how ...photosynthetic activity. This still allows photosynthetically active wavelengths to reach zooxanthellae... sequencing are more definitive, but visual identification is a good place to start before taking on more...resources are limited or for bioart and teaching applications. Find a chromoprotein for your experiment! ...events: The plasmid carrying the desired genetic modification integrates into the genome (Figure 3). Here,...

...easier of the two, but it actually requires more technical skill to place the needle in the correct vein ...institutional oversight is required. Restraint: mechanical restraint or anesthesia Location: tail vein or...you might after getting a vaccine. Restraint: mechanical restraint Location: thigh Gauge: 25–27 Volume...xenograft models. Restraint: back scruffing or mechanical restraint Location: back or hind legs Gauge: ...between the layers of the skin. While this could theoretically be performed anywhere on the body, somewhere... correct location requires a lot of skill and anatomical knowledge. Intrathecal injections are used for...stomach. This technique involves administering medication through a feeding tube with a bulb on the end...

...lentivirus, AAV does not possess the ability to replicate itself and depends on helper viruses like adenovirus...herpes simplex virus to facilitate efficient replication. The most common production system, however, ...RNA genes; and the pRepCap plasmid containing replication factors and serotype-specific capsid genes.  ... steps of AAV production, iodixanol gradient purification, and AAV titration by qPCR.   Pro tip! An optional...al., 2010). For certain in vitro and in vivo applications, you can consider using unpurified AAV from ...Benyamini et al., 2023) to save time and cost.  Purification To purify your rAAV from your supernatant, you...recommend using a Tris-based lysis buffer and sonication.  The obtained virions from cells and supernatant...

...CRISPR mammalian expression systems, the typical applications for each, and potential delivery methods...well as suitable applications. Expression System Components of System Application Mammalian expression...Select the appropriate CRISPR tools for your application: Wildtype Cas9 or Cas9 nickase are appropriate... or introducing mutations and tags, while a catalytically dead dCas9 can be used in conjunction with activator...or more sgRNAs and Cas9 are required for any application. If you want to include a homology directed repair... be constitutive or inducible. U6 promoter is typically used for gRNA. May contain reporter gene (e.g....key features of common  delivery methods below: Chemical transfection   Lipid mediated Cationic polymers...

...Lee and Pantelis Tsoulfas of the Department of Neurological Surgery at the University of Miami. The beginning...expressing eGFP under the human ubiquitin C promoter. Anatomical abbreviations: Gr= Gracile tract, Cu= Cuneate...originally named orthogonal-plane fluorescence optical sectioning (OPFOS) (2). Arne Voie, David Burns ...of LSFM microscopes (3,4). After this initial application, Stelzer’s group described the single-plane or.... confocal microscopy In confocal microscopes, optical sectioning of a specimen is based on discriminating...used in LSFM. In LSFM the laser light sheet, typically 2-6  microns, illuminates only one thin plane ... milliseconds to acquire one image, thereby significantly reducing the time it takes to image through ...

... to be crazy complicated! Listen to the full podcast for more great science communication tips or listen...tons of ways you can get involved in science communication. In this second half of our conversation with...many things you can do start your own science communication student group and get more involved with your...is a graduate student group with the goal of communicating science to the general public and training the... the next generation of science communicators. In this chapter we learn about some of their events - science... peer-to-peer feedback in effective science communication. Chapter 7: The Goal of the SITN Podcast - Vini...Pint" event is the best way to get a Science Communication group started. It's as simple as getting people...

...transformation. A given insert will typically contain both a protein modification sequence and a selectable gene...nearly all domains of life repair genomic damage, specifically double strand breaks. Researchers have long ...tags have been integrated. Simply design your amplification primers with the desired targeting homology—... green, and red FPs that are codon optimized specifically for expression in yeast. These tagging vectors...This collection is ideal for tandem affinity purification of protein complexes. John Pringle and Jürg ...deposited a large collection of plasmids for genome modification in yeast developed by Dr. Pringle’s former lab...collection of plasmids for a wide variety of genome modifications in S. Pombe, including full and partial gene...

... plasmid or group of plasmids' functions and applications. We hope that these articles make it easier ...manipulating interneurons using a viral approach Genetically modified organisms like transgenic mice are important...FLIM (Fluorescence Lifetime Imaging Microscopy) applications. To demonstrate the power of mCyFP1, the Lin... cell physiology and molecular processes via genetically encoded proteins. PhoCl is a new member of this...experiment, check out our recent guest blog series: A Practical Approach to Choosing the B(right)est Fluorescent... Coselection efficiency is so high that some applications may permit working with edited “pools” of cells...showed high editing efficiencies with AsCpf1, indicating that ouabain coselection is a robust and flexible...

...backgrounds with technical expertise that ranges from astronomy to bioethics to chemical engineering and...Citizenship Initiative.    Get practical experience in science communication by writing for the Journal of...societal pressures including economic, cultural, and political. Science policy looks differently depending on... policy implementation, program management, communications, diplomacy and international relations, advocacy... p” policy.  “Big P” policy is what you might typically think of. It occurs in a government setting: drafting...STPF cohort members came to DC to do either a sabbatical year or transition away from academia as tenured...move into science policy. Read broadly about the historical roots of science policy to connect to your why...

...culprit for these unusual cases was either 1) a physiological effect of SARS-CoV-2 toward destabilizing one...Adenovirus (and/or to its partner, AAV) or 2) a sociological effect of the COVID-19 lockdowns causing a lack...transcription) is demarcated by viral genome replication (Harrach, 2014). Given that the early genes ...encapsidate new virions) are not expressed. Note that replication-competent AdV vectors also exist and are used...the final topic, which is that natural AdVs, replication-competent viruses with a recombinant genome, ...basic research, like other viral vectors, though significant challenges remain (Wold & Toth, 2013).  While...Hermiston, T. W. (2003). Multigene expression from a replicating adenovirus using native viral promoters. Mol ...

...club occurs with a small technical team (single lab or team), a deep technical dive on single papers could...emerging work by collaboratively discussing recent publications in a specific field(s). Most anyone who has ...the company at large, by polling and informal communications we made a decision to try out a Bioinformatics...topic, there are a number of administrative and practical decisions to make. How often will you hold it?... the time recurrently carved out. This notice typically should include the paper, any supplemental data...repositories, or other information needed by someone to critically discuss the paper.  Before the first journal ...major findings and then focusing more on broader implications rather than diving deep into the individual ...

... general public. Chemical Society in University College Dublin, Ireland The Chemical Society was founded...way up to professors. Oxford Biological Society, England The Biological Society based at the University...idea of the Freshers Fair and some of the great biological societies that Addgene has had the opportunity...at Freshers Fairs in the past year. Cambridge Biological Society, England Since 1996, Cambridge Biosoc...Biosoc’s goal has been to promote interest in the biological sciences amongst the student community at the...sessions to help undergraduate students with their applications. The society currently has 1,283 members, who...At Addgene, we’re incredibly glad to see these biological societies engaging with young scholars. We believe...

...over a month ago I finished up my PhD in Biological and Biomedical Sciences at Harvard University and entered...talking to people about and communicating science. The path to science communication This may come as somewhat...researchers gain doing PhDs (i.e. technical writing, teaching, presenting, analytical thinking, time management... I would ultimately want to go into science communication but thought that I would be best poised to share...PhD myself. To continue to foster my science communication skills, I took on TA positions, tutored fifth...largely my work developing myself as a science communicator that got me here! Thus far being an Outreach... one of my supervisors warned me, the swift gratification of publishing posts can be addicting. Even more...