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Display of proteins on bacteria
KTH, Superseded Departments, Biotechnology.
KTH, Superseded Departments, Biotechnology.ORCID iD: 0000-0003-4214-6991
KTH, Superseded Departments, Biotechnology.ORCID iD: 0000-0002-9282-0174
2002 (English)In: Journal of Biotechnology, ISSN 0168-1656, E-ISSN 1873-4863, Vol. 96, no 2, 129-154 p.Article, review/survey (Refereed) Published
Abstract [en]

Display of heterologous proteins on the surface of microorganisms, enabled by means of recombinant DNA technology, has become an increasingly used strategy in various applications in microbiology, biotechnology and vaccinology. Gram-negative, Gram-positive bacteria, viruses and phages are all being investigated in such applications. This review will focus on the bacterial display systems and applications. Live bacterial vaccine delivery vehicles are being developed through the surface display of foreign antigens on the bacterial surfaces. In this field, 'second generation' vaccine delivery vehicles are at present being generated by the addition of mucosal targeting signals, through co-display of adhesins, in order to achieve targeting of the live bacteria to immunoreactive sites to thereby increase immune responses. Engineered bacteria are further being evaluated as novel microbial biocatalysts with heterologous enzymes immobilized as surface exposed on the bacterial cell surface. A discussion has started whether bacteria can find use as new types of whole-cell diagnostic devices since single-chain antibodies and other type of tailor-made binding proteins can be displayed on bacteria. Bacteria with increased binding capacity for certain metal ions can be created and potential environmental or biosensor applications for such recombinant bacteria as biosorbents are being discussed. Certain bacteria have also been employed for display of various poly-peptide libraries for use as devices in in vitro selection applications. Through various selection principles, individual clones with desired properties can be selected from such libraries. This article explains the basic principles of the different bacterial display systems, and disc-asses current uses and possible future trends of these emerging technologies.

Place, publisher, year, edition, pages
2002. Vol. 96, no 2, 129-154 p.
Keyword [en]
surface display, Gram-negative bacteria, Gram-positive bacteria, vaccine delivery, microbial biocatalyst, bioadsorbent, environmental application, outer-membrane-protein, cell-surface display, ice-nucleation protein, gram-negative bacteria, escherichia-coli k-12, expressed organophosphorus hydrolase, hepatitis-b virus, foreign antigenic determinants, salmonella-typhimurium-aroa, cellulose-binding domains
URN: urn:nbn:se:kth:diva-21616ISI: 000176162900001OAI: diva2:340314
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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