A thorough characterisation of the genetics, physiology and metabolism of Escherichia coli has led to the availability of a large number of strains and vectors suitable for recombinant protein expression. Despite the relative ease in using E. coli for achieving amplified expression of many recombinant proteins, for some proteins this can be a frustrating and time-consuming process leading to very low expression or no expression at all. This is especially true for membrane proteins, which introduce additional challenges. A number of factors can be considered and optimised for achieving required levels of amplified expression of recombinant proteins in E. coli that are broadly classified as host strain, expression vector and growth conditions. In this paper we summarise these factors and consolidate the common challenges encountered and approaches to overcome them, focusing in particular on cases where there is low amplified expression or no expression at all of the desired recombinant protein, due to various reasons.
Overcoming challenges for amplified expression of recombinant proteins using Escherichia coli.
I. Ahmad,Nighat Nawaz,N. M. Darwesh,S. ur Rahman,M. Mustafa,S. Khan,S. G. Patching
Published 2017 in Protein Expression and Purification
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- Publication year
2017
- Venue
Protein Expression and Purification
- Publication date
2017-11-01
- Fields of study
Biology, Medicine, Engineering
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- Source metadata
Semantic Scholar, PubMed
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