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Plasmids 101: Inducible Promoters

Posted by Mary Gearing on Jan 18, 2018 9:34:59 AM

Promoters control the binding of RNA polymerase and transcription factors. Since the promoter region drives transcription of a target gene, it therefore determines the timing of gene expression and largely defines the amount of recombinant protein that will be produced. Many common promoters. like CMV, EF1A, and SV40 promoters, are always active and thus referred to as constitutive promoters. Others are only active under specific circumstances. In this post, we’ll discuss inducible promoters, which can be switched from an OFF to an ON state, and how you might use these in your research. Keep a look out for a future post where we’ll discuss repressible promoters.

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Topics: Lab Tips, Plasmids 101

Top Requested AAV of 2017: pmSyn1-EBFP-CRE

Posted by Tyler Ford on Jan 17, 2018 9:57:12 AM

We began distributing ready-to-use virus preps through our viral service in late 2016 and requests are still pouring in! While our lentiviral service is going strong, the AAV service has shown incredible growth this year. pAAV-hSyn-DIO-hM4D(Gi)-mCherry was the top requested AAV prep for the 2nd year running, and you can learn more about this useful, DREADD-containing AAV here. But the top requested AAV that became available in 2017 is pmSyn1-EBFP-Cre from Hongkui Zeng’s lab. This AAV has had over 150 orders since coming online!

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Topics: Plasmid Technology, Hot Plasmids, Viral Vectors

Visualizing Protein Turnover In Situ

Posted by Guest Blogger on Jan 16, 2018 10:20:10 AM

This post was contributed by guest blogger, Eugenia Rojas.

A question worthy of a PhD: How do you visualize protein turnover within a neuron?

For my PhD I studied a synaptic protein that is linked to neurodegeneration. The level of this protein is decreased in Alzheimer’s disease patient’s brains. However, it is not known why or how this happens. Therefore, I set out to study how protein turnover is regulated in neurons.

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Topics: Blog

Transferable Skills Guide: Identifying Your Transferable Skills

Posted by Kayla Strickland on Jan 11, 2018 10:29:18 AM

What is a transferable skill?

Time management. I needed it when balancing a handful of demanding courses, a capstone paper I really wanted to hit out of the park, part time work, bills, (at times) a social life and rest. I need it just as much in my current role as Customer Support and Operations Manager at Addgene. In this role, I balance my daily tasks, meet cross-team project commitments, respond to any issues raised by team members, and plan for the future of the team. All while still paying bills and having a life outside my job.

The same can be said about teamwork, communication, writing, management, and creativity; I have developed these skills through school, jobs, and volunteer work, and I guarantee you have developed them through similar experiences in graduate school. These skills will be useful anywhere I work in the future; they are transferrable across most, if not all, industries and work environments. This is why they are called transferable skills.

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Topics: Career, Transferable Skills Guide

Top Requested Plasmid of 2017 - pMD2.G

Posted by Tyler Ford on Jan 10, 2018 11:13:59 AM

Plasmid technologies are constantly evolving, but sometimes a technology is so useful it forever enhances biological research and discovery. CRISPR is a great example (the top requested plasmids from 2015 and 2016 were CRISPR plasmids), but so are lentiviral vectors, many of which are used to deliver Cas9 and other genes to mammalian cells. For this reason, the top requested plasmid of 2017 is the lentivirus envelope plasmid pMD2.G from Didier Trono’s lab!

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Topics: Plasmid Technology, Hot Plasmids, Viral Vectors

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