We narrowed to 957 results for: Cre
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TypeBlog Post...Komagataella phaffii (a.k.a Pichia pastoris) because it secretes fewer of its own proteins, making the purification...production of Fab fragments where variable chains are secreted into the periplasmic space to be oxidized and ...incubation time to maintain cell viability and increase protein production (Schwarz et. al., 2020). Harvest... Figure 1: The steps of rAb production. Created with biorender.com Another method of harvesting...contaminating bands or a few strong ones, consider increasing the number of washes performed during your harvest...
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CRISPR Antimicrobials
TypeBlog Post...newest line of defense against bacteria. Created with BioRender.com. The problem of antibiotic...may also induce cell death. CRISPR also enables increased specificity - rather than targeting a process ...mouse skin colonization model, phagemid treatment decreased the proportion of virulent S. aureus from 50% ...death. Image from Beisel et al., licensed under a Creative Commons Attribution 4.0 International License....rendering the population sensitive to antibiotics. Created with BioRender.com. Phages could be used to... -
Negotiating Work and Life: How to Find the Joy
TypeBlog Post... shalt create community to help Involve family. If you don’t have local family to help, create “fake” ... on the Society for Laboratory Automation and Screening (SLAS) Electronic Laboratory Neighborhood. Work... to church, join a club, meet the neighbors and create a network of support to help with elder care, carpooling...partner – no kids. Get a massage – no guilt. Have recreational time with your friends – no spouses or kids.... -
CRISPR Methods for Bacteria: Genome Engineering, CRISPRa, CRISPRi, Base Editing, and More
TypeBlog Post...is possible with efficiency >70%. CRMAGE is an incredibly fast protocol, with only 5 hours incubation time...system that combines recombineering with CRISPR to create a system for scarless, iterative genome engineering... pathways within this genus, Huimin Zhao’s lab created two “pCRISPomyces” systems for use in Streptomyces...CRISPR in bacteria, they also led early efforts creating tools for CRISPRi and CRISPRa (Bikard et al., ... in Mycobacterial species, Sarah Fortune’s lab screened 11 other Cas9 orthologs to identify a more efficient... used to engineer the bee gut microbiome. They created a modular system using a broad host range plasmid... -
Analyzing CRISPR Editing Results with ICE from Synthego
TypeBlog Post...to solve this problem. This tool was initially created to support the CRISPR analysis needs of Synthego... sgRNAs. Since multiplexing is commonly used to create functional knockouts or large deletions, the ability...optimizing and no complicated steps to learn. For increased flexibility and scalability, the ICE software ...editing analysis Once the analysis is complete, a new screen appears with a graphical representation of the ...Data button on the bottom right of the analysis screen. ICE analysis details Contributions The Contributions... -
Transferable Skills Guide: External Collaborations
TypeBlog Post...careers. External collaborations are becoming increasingly important as more complex approaches to scientific...seminar to connect the imaging community and to create a platform for discussions and potential collaborations...postdoctoral work there are loads of opportunities to create communities, platforms, and to be a part of projects...your ideas and don’t be afraid to make something concrete happen. You may have more willing collaborators...make sure to share them with a short note - this creates a thoughtful way of interacting and is much more... -
Proximity Labeling: A Powerful Tool for Protein Complex Purification and Proteomic Mapping
TypeBlog Post... ligase The Roux Lab in 2016 optimized BioID to create BioID2, a smaller and improved promiscuous biotin...was its low sensitivity. Sensitivity could be increased with higher expression levels but for many fusion...until they identified a mutant with significantly increased sensitivity that did not affect the function or...miniTurbo were developed in the Ting Lab in 2018 to increase the speed of proximity labeling by promiscuous... BASU exhibits 1,000 fold faster kinetics and increases the signal to noise ratio 30-fold compared to ... -
Plasmids 101: Expressing shRNAs for RNA Interference
TypeBlog Post...Dicer chops off the loop of hairpin structures to create a mature siRNA duplex. Fun fact! Endogenous miRNA...production starts with transcription of the miRNA to create pri-miRNA, which is then processed by a complex...shRNA and miRNA processing and silencing pathways. Created on BioRender.com. Expressing shRNAs using...Highlighted blue regions show flanking genomic sequence. Created on BioRender.com. When it comes to the backbone...expression of specific mRNAs. shRNAs are a quick way to create stable knockdown cells lines, and you can usually... -
Viral Vectors 101: Integrase-Deficient Lentiviral Vectors
TypeBlog Post... used for a variety of research purposes, like creating stable cell lines, delivering CRISPR/Cas9 to cells...vector with an integrase-deficient viral vector. Created with BioRender.com. What are integrase-deficient... episomal forms of non-integrating transgenes. Created with BioRender.com; adapted from Banasik and McCray...regions of the genome (Schröder et al., 2002), thus increasing the risk for insertional mutagenesis. This integration...remember: You can never trust a lentivirus with secrets... Because they tend to insert themselves into ... -
Fluorescent Proteins 101: GFP Fusion Proteins - Making the Right Connection
TypeBlog Post...fluorescent protein can be truncated to increase the FRET efficiency. Creating fusions at the N- and C- termini...double the size of the protein. In addition, it increases avidity because it doubles the number of binding...non-aliphatic amino acids. However, long linkers increase the chance that a fusion protein is cleaved by...Sheridan, Douglas L., et al. "A new way to rapidly create functional, fluorescent fusion proteins: random... -
The Fluorescent Vegetables in Aptamer Soup
TypeBlog Post...for quantitative imaging, Ming Hammond’s group created Spinach2 using site-directed mutagenesis of Spinach...was cloned into bacterial expression vectors to create a library. Bacteria were transformed, and then ...for in vivo studies. Dimerization of Broccoli increases its fluorescence by about 1.8-fold, and may be...for greater contact with its RNA aptamer. This increased interaction between Corn and its small molecule... to TO1-biotin. Two of these variants exhibit increased brightness compared to Mango, and all are photostable... -
CRISPR 101: Engineering the Plant Genome Using CRISPR/Cas9
TypeBlog Post... optimized Cas9 variants have been created in an effort to increase translation in a particular plant ... the development of disease-resistant crops to increase agricultural yield (Wang et al., 2016; Wang et... the intervening region into the plant genome. Created with BioRender.com. In recent years, deaminase-mediated...Addgene carries several useful CRISPR toolkits for creating plant expression plasmids, including plant CRISPR... -
Plasmids 101: Gibson Assembly and Other Long-Homology Based Cloning Methods
TypeBlog Post...highly recommend watching this entertaining video created by our friends on the Cambridge 2010 iGEM team ...of homology at their ends, which are typically created by PCR. Then, the fragments are incubated together... homology between neighboring fragments can be created via PCR amplification with primers that contain...typically fairly high, so there is usually no need to screen a large amount of colonies. Excluding the time ...advantages that Gibson assembly does not such as increased efficiency, shorter incubation times, or the ability... -
Viral Vectors 101: AAV Variables That Matter
TypeBlog Post...from Aschauer et al., 2013, Figure 1. Used under Creative Commons Attribution License. Within the nervous...can become methylated over time, resulting in decreased expression (Damdindorj et al., 2014; Nieuwenhuis...from Griffin et al., 2019, Figure 4. Used under Creative Commons Attribution 4.0 International License....vice versa. The total volume needed, however, increases with the size of the region you want to cover ... effects (e.g. recombinase-dependent vectors) increases with the amount of virus you add, so it is strongly... -
Plasmids 101: Dimers and Multimers
TypeBlog Post...generated by SnapGene software. Thanks to increasing affordability and accessibility, more researchers...by growing seed stocks at 30°C compared to 42°C. Screen multiple colonies to isolate the monomer Sometimes... 1984; Summers et al., 1993). In these cases, screening multiple bacterial colonies using one of the detection...DNA-forming sequences and WRN deficiency independently increase the frequency of base substitution in human cells... self-control and a sense of direction are the secrets of multicopy plasmid stability. Mol Microbiol. ... -
Plasmids 101: Repressible Promoters
TypeBlog Post...promoters and create sophisticated patterns of UAS-driven gene expression. To further increase the complexity...system into a repressible system, Gossen and Bujard created the tetracycline-controlled transactivator (tTA...bacterial operons. A chimeric transactivator, cTA, was created by fusing CymR to the activation domain VP16. cTA...state, and co-expression of the inducer QF can increase QUAS driven expression by ~3,300-fold in Drosophila... -
Finding Your Perfect Job After University
TypeBlog Post... is a tumour suppressor. This summer role was incredibly valuable because it was a set duration of only...with the large scale data analysis, as this is increasingly reliant on programming skills which are not ...attempted was more meetings, but this simply seemed to create more bureaucracy. As with any large company (both...detection and diagnosis of different types of pancreatic cancer and highlighting which treatment would... mutations. This is a particular challenge in pancreatic cancer where one drug does not work for all patients... -
Celebrating the 2024 Nobel Prize in Chemistry
TypeBlog Post...understanding of how protein folding works and creating biological tools not found in nature. Dr. Baker... Figure 1: Top7 receives the Nobel Prize. Created with BioRender.com. Top7 gets its name from...approximate, two-dimensional map. The Baker Lab wanted to create a new fold that is not present in nature (at least...simply to be stable and novel, the principles that created it have been applied to numerous other protein ... -
CRISPR Cheat Sheet
TypeBlog Post...example) that are used to increase or decrease expression of a gene. Screen: A library of gRNAs with a...cell population. The resulting mutant cells are screened for phenotypes of interest. Limitations of CRISPR... -
Congratulations, Deck The Lab winners!
TypeBlog Post...annual Deck the Lab competition drew upon the creativity of the community, who delivered impressive science-themed... used an impressive variety of lab materials to create their decorations! Despite all the craziness of...first place in the home edition, the MicrobiGals created glow in the dark petri dish ornaments and microbe...December 23, 2020 In second place, Dr. Anne Madden created a microbe advent tree displaying over 25 archaea...