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Research areas
    ADME-Tox
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    Cell Sourcing - Cell Culture Technologies
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    Gene Expression - Molecular Biology
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Tebubio's blog - Acting and reacting in life sciences and biotechnologies
  • Home
  • Research areas
    • ADME-Tox
    • Biomarkers
    • Cell Biology and Signalling
    • Cell Sourcing – Cell Culture Technologies
    • Drug Discovery
    • Gene Expression – Molecular Biology
    • Stem Cells
    • Supplying Discovery Tools
  • Contact us
  • Meet the authors
Supplying Discovery Tools

How can you get your mRNA ready in only a few weeks?

30/11/2020 by Dimitri Szymczak, PhD No Comments

Synthetic mRNA is indeed the highway for today’s therapeutics, whether you’re working on developing new drugs against cancer targets, or whether you aim to develop new vaccines, Covid-19 being one of them. So, how can you obtain your mRNA within just a few weeks, ready to explore these potential applications? Read on to see how we can help you achieve this.

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Gene Expression - Molecular Biology

All GeneCopoeia products and services available from tebu-bio

30/07/2015 by Mark Livingstone No Comments

GeneCopoeia brand products include any possible DNA construct/plasmid in addition to an ever-growing offer of associated products and services. Here is a quick overview of the offer:

If you search for any human or murine gene (e.g. NFKB1) on the GeneCopoeia website, you will get a search result like this one displaying the available catalog products:

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Gene Expression - Molecular Biology

5 tips for working with unstable ORF expression clones

26/05/2015 by Mark Livingstone No Comments

Mammalian expression constructs for certain genes such as human c-KIT are notorious for undergoing frequent recombinations during cloning and transformation steps in molecular biology labs. Experts suggest that certain genes are “toxic” to bacteria thus leading to a situation in which recombined plasmids are favored. While the molecular mechanisms for this toxicity may be unclear, the end result is that efforts to amplify, subclone, mutate, or make derivative vectors often result in a new plasmid with unwanted sequence errors.

Source: http://en.wikipedia.org/wiki/Agar_plate

Source: http://en.wikipedia.org/wiki/Agar_plate

Online science discussion forums such as ResearchGate include a variety of strategies proposed by researchers experiencing this kind of plasmid instability. Suggestions include advice such as culturing the bacteria at room temperature rather than 37°C, culturing on plates rather than in flasks, using low copy number EPI400 competent cells, picking the small colonies rather then the large ones from the LB plate, replacing the ampicillin resistance cassette to prevent satellite colonies (so you can see the small colonies), or using a Gateway vector.

But which methods work best?

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Gene Expression - Molecular Biology

Gateway® cloning technology: Is it as easy as they say?

24/11/2014 by Mark Livingstone No Comments

Molecular biology experts have been telling us for a while that the Gateway® cloning vectors are easy-to-use, saving them significant time and effort.

Basically, the technology allows you to start with a single Open Reading Frame (ORF) and pop it into any kind of vector you want without having to think about different restriction sites in the Multiple Cloning Sites in your mammalian, bacterial, lentiviral, etc. expression vectors.

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