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...could produce ultrasound contrast. That is, until earlier members of our lab - the Shapiro Lab - developed...applicability. They also did not scatter ultrasound nonlinearly, making them difficult to distinguish from background...next-generation bARGs that could scatter ultrasound nonlinearly and be easily expressed heterologously by bacteria...

...genome editing, CRISPR is a name that resonates with nearly every biologist, academic, and researcher. Among...challenge for efficient delivery into cells, particularly via viral vectors. While viral delivery is a... More elaborate protocols are available in our earlier publications (Karmakar et al., 2024; Karmakar et...

... cell types depending on their serotype, are particularly challenging. Their efficacy in any given system...from 2016–2023. All three generations are regularly requested and a valuable part of our viral vector..., new partnerships, and new platforms, from our early engagement with UPenn to our launch of the redesigned...

... interfering with downstream assays. This is particularly advantageous if the antibody used for IP is ...despite the size difference. Magnetic beads are particularly advantageous because they do not require centrifugation...binding proteins involved in histone modification. Similarly, RNA IP (RIP) can be used to isolate proteins ...

...markers tagged with mTurquoise2, mNeonGreen, and mScarlet-I for labeling a list of specific structures within...CRISPRa) are great ways to modulate the expression of nearly any gene via specific guide RNA (gRNA) sequences... New from the viral service By Ina Ersing We regularly add new viral aliquots from our plasmid collection...

...scientific expertise. Organizing a career fair for early-career scientists provided a crash course in this...I find it useful to remind myself to check in regularly with collaborators for example on a holiday or...regard to reaching out to new people, checking in regularly, and maintaining useful notes that remind me about...

...out.  In some fields, a cover letter is vital, particularly in fields where communication and writing are...skills-based ones, may not use them very often. Similarly, entry-level jobs are less likely to require cover...working for that organization or group. This is particularly important for labs and nonprofits, who tend ...

...products may be toxic to the host when expressed, particularly those that are insoluble, act on DNA, or are... can neither restrict nor methylate DNA. dcm: Similarly, strains with this mutation are unable to methylate...dead cells, and, conversely, you cannot induce too early as there are not enough cells in the culture to ...

...researchers investigating HIV integrase mutants in the early 1990s (Leavitt et al., 1996), and since then, numerous...severe combined immunodeficiency (SCID-X1) in the early 2000s. These trials unfortunately resulted in several...transduction.  The process for producing your own IDLVs is nearly identical to that of regular lentiviral vectors...

...transparent. Thus scientists can easily observe early developmental stages which can be difficult in other... large experiments over multiple generations. Similarly to other model organisms, the C.elegans genome... PubMed PMID: 26712014. Pandey, Udai Bhan, and Charles D. Nichols. "Human disease models in Drosophila...

...fluorescent and can be challenging to track intracellularly, but aptamers permit the study of intracellular...is better able to maintain its fluorescence intracellularly due to a lower dependency on magnesium and ...binding with RNA by about 7x). Mango fluoresces nearly as brightly as Spinach, but binds with much higher...

...research directions that were inaccessible with earlier tools. They also produce more than 20 other MTRIA...MTRIA biosensors are generated by inserting a circularly-permuted GFP into an intracellular loop of various...brightness, expression, and sensitivity compared with earlier SF-iGluSnFR. Image from Aggarwal 2022.   Find iGluSnFR3...

...inconvenient data must not be ignored. Returning to an earlier analogy, no amount of shouting will make an apple...comparison to 37% of the general public (5, 6). Similarly 90% of active research scientists believe climate...13th the March for Science homepage has amassed nearly 500,000 ‘likes’, while their website lists over...

...improve muscle function, and they must be injected regularly. Dystrophin and genome editing Since complex oligonucleotide...approaches for exon skipping. Addgene depositor Charles Gersbach used paired zinc finger nucleases to remove...force, and other muscle tests, muscle function is clearly improved, although not to wild-type levels. With...

...proteomes (Wu et al., 2025). The team expressed extracellularly-anchored horseradish peroxidase (HRP) in striatal...fluorescent proteins, PinkyCaMP is the first based on mScarlet. Compared to RCaMP3 and jRGECO1a, PinkyCaMP had...Fink, R., Imai, S., et al. (2024). PinkyCaMP a mScarlet-based calcium sensor with exceptional brightness...

...) outside of the homology elements allowed for scarless insertion — no UTR sequence added to the genome...outside of the homology arms (red) to allow for scarless insertion of the payload (teal). The Cas9 gRNA...homology-directed repair (HDR), and insertion is scarless, unlike previous integrase-based approaches. Find...

...H3K27ac histone modification at specified loci. Charles Gersbach’s lab has deposited mammalian expression...pMAGIC (R4-R3) NLS-Sa dCas9-NLS-LSD1. LSD1 is a particularly large protein, and this fusion allows for packaging...this article. References Haldeman JM, Conway AE, Arlotto ME, et al (2018) Creation of versatile cloning ...

...are always traveling, or too busy to interact regularly with the newer lab members. You must get an idea... the lab head? Are meetings with the lab head regularly scheduled or only ad hoc? Does the mentor keep...at your data and suggest follow up experiments regularly? Can you work on some experiments of your own ...

...the description to watch any sections you’re particularly interested in, but I’d recommend watching the...Reproducibility Project: Cancer Biology have produced similarly low rates of reproducibility. Failed attempts ...modified analyses on published data if you need to. Similarly, FigShare also makes it easier to share data through...

...mouse model generation simpler, as described in an earlier post on generating CRISPR mouse models. For simple...the example at right using blue flame plasmid pmScarlet_C1! After creating the T7-DNA template, you'd use...right homology arm to the desired insert (e.g., mScarlet).   Plasmid ID Plasmid Name Tags ...