Streptococcus mutans and Streptococcus intermedius adhesion to fibronectin films are oppositely influenced by ionic strength

Langmuir : the ACS Journal of Surfaces and Colloids
Henk J BusscherHenny C van der Mei

Abstract

Bacterial adhesion to protein-coated surfaces is mediated by an interplay of specific and nonspecific interactions. Although nonspecific interactions are ubiquitously present, little is known about the physicochemical mechanisms of specific interactions. The aim of this paper is to determine the influence of ionic strength on the adhesion of two streptococcal strains to fibronectin films. Streptococcus mutans LT11 and Streptococcus intermedius NCTC11324 both possess antigen I/II with the ability to bind fibronectin from solution, but S. intermedius binds approximately 20x less fibronectin than does the S. mutans strain under identical conditions. Both strains as well as fibronectin films are negatively charged in low ionic strength phosphate buffered saline (PBS, 10x diluted), but bacteria appear uncharged in high ionic strength PBS. Physicochemical modeling on the basis of overall cell surface properties (cell surface hydrophobicity and zeta potentials) demonstrates that both strains should favor adhesion to fibronectin films in a high ionic strength environment as compared to in a low ionic strength environment, where electrostatic repulsion between equally charged surfaces is dominant. Adhesion of S. intermedius to fibronect...Continue Reading

References

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Citations

Jun 25, 2010·Journal of Industrial Microbiology & Biotechnology·J S PalmerJ D Brooks
Oct 16, 2009·Journal of Materials Science. Materials in Medicine·Sebastian HahnelRalf Bürgers
Aug 21, 2013·Dental Materials : Official Publication of the Academy of Dental Materials·Helmut SchweiklGottfried Schmalz
Jun 1, 2010·The Journal of Biological Chemistry·Thejani E RajapaksaDavid D Lo
Sep 12, 2012·Biofouling·Muriel Mercier-BoninPhilippe Schmitz
Feb 4, 2016·Materials Science & Engineering. C, Materials for Biological Applications·A Nithya Deva Krupa, R Vimala
Feb 12, 2015·ACS Nano·Ruby May A SullanYves F Dufrêne
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Jul 15, 2009·Colloids and Surfaces. B, Biointerfaces·Hisao Morisaki, Hidenori Tabuchi
Jan 20, 2011·Biophysical Journal·Sigolene LecuyerHoward A Stone
Aug 11, 2010·FEMS Microbiology Reviews·Brian HendersonMark A Williams
May 9, 2012·Langmuir : the ACS Journal of Surfaces and Colloids·Bing FangMaria M Santore
May 22, 2013·Langmuir : the ACS Journal of Surfaces and Colloids·Elizabeth J StewartMichael J Solomon
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Dec 23, 2020·Microorganisms·Ana Álvarez-MenaDiego Romero
Jul 29, 2009·Langmuir : the ACS Journal of Surfaces and Colloids·Seoktae Kang, Menachem Elimelech
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