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Staphylococcal surface display of metal-binding polyhistidyl peptides
KTH, Superseded Departments, Biotechnology.
KTH, Superseded Departments, Biotechnology.
KTH, Superseded Departments, Biotechnology.ORCID iD: 0000-0002-9282-0174
2000 (English)In: Applied and Environmental Microbiology, ISSN 0099-2240, E-ISSN 1098-5336, Vol. 66, no 3, 1243-1248 p.Article in journal (Refereed) Published
Abstract [en]

Recombinant Staphylococcus xylosus and Staphylococcus carnosus strains were generated with surface-exposed chimeric proteins containing polyhistidyl peptides designed for binding to divalent metal ions. Surface accessibility of the chimeric surface proteins was demonstrated and the chimeric surface proteins were found to be functional in terms of metal binding, since the recombinant staphylococcal cells were shown to have gained Ni2+- and Cd2+-binding capacity, suggesting that such bacteria could find use in bioremediation of heavy metals. This is, to our knowledge, the first time that recombinant, surface-exposed metal-binding peptides have been expressed on gram-positive bacteria. Potential environmental or biosensor applications for such recombinant staphylococci as biosorbents are discussed.

Place, publisher, year, edition, pages
2000. Vol. 66, no 3, 1243-1248 p.
Keyword [en]
escherichia-coli, recombinant proteins, cell-surface, heavy-metals, expression, carnosus, fusion, wall, metalloadsorption, immobilization
URN: urn:nbn:se:kth:diva-19592ISI: 000085604800058OAI: diva2:338284
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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