Concept

Asilomar Conference on Recombinant DNA

Related publications (32)

The enhancement of DNA fragmentation in a bench top ultrasonic water bath with needle-induced air bubbles: Simulation and experimental investigation

Martinus Gijs, Thomas Lehnert, Yang Liu, Lin Sun

Shearing DNA to a certain size is the first step in many medical and biological applications, especially in next-generation gene sequencing technology. In this article, we introduced a highly efficient ultrasonic DNA fragmentation method enhanced by needle ...

AIP Publishing2022

Single Molecule Localization and Discrimination of DNA–Protein Complexes by Controlled Translocation Through Nanocapillaries

Aleksandra Radenovic, Sebastian Maerkl, Sanjin Marion, Roman Bulushev, Sebastian James Davis, Ekaterina Emilova Petrova

Through the use of optical tweezers we performed controlled translocations of DNA-protein complexes through nanocapillaries. We used RNA polymerase (RNAP) with two binding sites on a 7.2 kbp DNA fragment and a dCas9 protein tailored to have five binding si ...

American Chemical Society2016

Study of transposon-mediated cell pool and cell line generation in CHO cells

Sowmya Balasubramanian

The goal of this thesis was to evaluate the use of artificial transposon systems for the generation of recombinant cell pools and cell lines with Chinese hamster ovary (CHO) cells as the production host. Transposons are naturally occurring genetic elements ...

EPFL2015

Transcriptional and post-transcriptional limitations of high-yielding, PEI-mediated transient transfection with CHO and HEK-293E cells

Florian Maria Wurm, David Hacker, Lucia Baldi Unser, Yashas Rajendra, Divor Kiseljak

Transient gene expression (TGE) in human embryonic kidney (HEK-293) and Chinese hamster ovary (CHO) cells is a well-established technology for the rapid generation of recombinant proteins. Although the maximum TGE yields have reached 1 g/L or more, the amo ...

American Chemical Society2015

Development of plasmid-based expression technology for rapid and sustained production of recombinant proteins in insect cells

Xiao Shen

Due to the high demand for heterogeneous protein production in insect cells, we have established efficient methods for plasmid-based transient gene expression (TGE) in various insect cell lines, including commonly used Spodoptera cell lines Sf9 and HighFiv ...

EPFL2014

Mathematical models and computational methods for the analysis of genome-scale protein synthesis

Julien Racle

Proteins are a ubiquitous and indispensable element for every living organism, from simple bacteria to mammals. Already in the simplest organisms, there exist some thousands of different protein species that take up a great variety of structures, and thus ...

EPFL2014

Virus-free transient protein production in Sf9 cells

Florian Maria Wurm, David Hacker, Lucia Baldi Unser, Xiao Shen

A method for virus-free transient gene expression from suspension-adapted Sf9 insect cells was developed with the gene of interest being expressed from a plasmid carrying the homologous region 5 enhancer (hr5) and the immediate early 1 (ie1) promoter from ...

Elsevier2014

Study of the improved Sf9 transient gene expression process

Florian Maria Wurm, David Hacker, Lucia Baldi Unser, Xiao Shen

Insect cells have been widely used for the production of recombinant proteins using recombinant baculovirus for gene delivery [1]. To simplify protein production in insect cells, we have previously described a method, based on transient gene expression (TG ...

2013

The Use of Valproic Acid in Transient Gene Expression with HEK-293E Cells

Divor Kiseljak

Transient gene expression (TGE) is a rapid method for the production of recombinant proteins. Recently, valproic acid (VPA), a well known histone deacetylase inhibitor, has been suggested for the use in cell cultures to enhance recombinant protein expressi ...

EPFL2013

Role of non-specific DNA in reducing coding DNA requirement for transient gene expression with CHO and HEK-293E cells

Florian Maria Wurm, David Hacker, Lucia Baldi Unser, Yashas Rajendra, Divor Kiseljak, Sagar Shashidhar Manoli

Transient gene expression (TGE) is a rapid method for the production of recombinant proteins in mammalian cells. While the TGE volumetric productivity has improved significantly over the past decade, the amount of plasmid DNA (pDNA) needed for transfection ...

2012

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