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Development of an antibiotic-free plasmid selection system based on glycine auxotrophy for recombinant protein overproduction in Escherichia coli

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dc.creator Vidal, Luis
dc.creator López-Santín, Josep
dc.creator Caminal, Glòria
dc.creator Ferrer, Pau
dc.date 2007-05-08T12:19:13Z
dc.date 2007-05-08T12:19:13Z
dc.date 2006-10-10
dc.date.accessioned 2017-01-31T00:57:08Z
dc.date.available 2017-01-31T00:57:08Z
dc.identifier Microbial Cell Factories 5(Suppl 1):85 (2006)
dc.identifier http://dx.doi.org/10.1186/1475-2859-5-S1-P85
dc.identifier 1475-2859
dc.identifier http://hdl.handle.net/10261/1408
dc.identifier 10.1186/1475-2859-5-S1-P85
dc.identifier.uri http://dspace.mediu.edu.my:8181/xmlui/handle/10261/1408
dc.description First paragraph (this article has no abstract) Antibiotics and antibiotics resistance genes have been traditionally used for the selection and maintenance of recombinant plasmids in hosts such as E. coli. Although a powerful selection tool, their use has been considered unacceptable in many areas of biotechnology by regulatory authorities. Indeed, there is much international scientific and regulatory focus on this issue [1]. For instance, the use of selection markers that confer resistance to antibiotics in vaccine plasmids may introduce the risk of transforming the patient's microflora and spread resistance genes. Moreover, in recombinant protein production for therapeutic use, the antibiotic must be eliminated from the final product. Another problem arises from the potential loss of selective pressure as a result of antibiotic degradation i.e. ampicillin can be degraded by β-lactamases in less than 30 minutes in high cell density cultures [2].
dc.description Peer reviewed
dc.language eng
dc.publisher BioMed Central
dc.relation Publisher’s version
dc.rights openAccess
dc.title Development of an antibiotic-free plasmid selection system based on glycine auxotrophy for recombinant protein overproduction in Escherichia coli
dc.type Artículo


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