Influence of cell surface characteristics on adhesion of Saccharomyces cerevisiae to the biomaterial hydroxylapatite

摘要: The influence of the physicochemical properties biomaterials on microbial cell adhesion is well known, with extent depending hydrophobicity, surface charge, specific functional groups and acid–base properties. Regarding yeasts, effect surfaces often overlooked, despite fact that generalisations may not be made between closely related strains. current investigation compared three industrially relevant strains Saccharomyces cerevisiae (M-type, NCYC 1681 ALY, used in production Scotch whisky, ale lager, respectively) to biomaterial hydroxylapatite (HAP). Adhesion whisky yeast was greatest, followed by strain, while lager strain approximately 10-times less. According solvents (MATS) analysis, hydrophobic were moderately hydrophilic. This contrasted analyses water contact angles where all characterised as All electron donating, low accepting potential, indicated both energy MATS analysis. Overall, there a linear correlation HAP overall free yeasts. first time relationship adherence has been described.