Analiza własności nanomechanicznych Candida spp. z zastosowaniem mikroskopu sił atomowych (AFM)
Journal Title: Advances in Hygiene and Experimental Medicine - Year 2019, Vol 73, Issue
Abstract
The aim of the study was to analyze the selected nanomechanical properties of Candida spp: Candida albicans (standard strain ATCC 10231), Candida albicans (clinical strain, cultured from an oral swab), Candida lipolytica (clinical strain, cultured from a nosal swab) in atomic force microscopy (AFM). The culture Candida spp. was performed of Tryptone Soya Broth (BioMaxima). The topography and sample properties were analysed in AFM (Ntegra Spectra C from NT) and the results were carried out using NOVA 1.1.0.1824 software. C. albicans ATCC 10231 cells were significantly higher 1.81 μm (p = 0.001) from clinical strains: C. albicans (1.30 μm) and C. lipolytica (1.23 μm). C. albicans ATCC 10231 cells, and C. albicans cells of the clinical strain were softer, especially in the top parts of cells, than C. lipolytica cells. Adhesion force measured for C. albicans ATCC 10231 was 62.83 nN, and was significantly higher compared to the values obtained for C. albicans (41.93 nN, p = 0.0002 ) and C. lipolytica (41.78 nN, p = 0.0002 ). The stiffness of the Candida spp. cell surface was comparable and was in the range of 5–6 nA. The differences in height may result from different conditions in which clinical strains grow. Adhesion force can be helpful in the analysis of the degree of destruction of the cell wall by various substances. The conducted analyses showed morphological differences and the differences in mechanical properties of the researched Candida spp. This data may be important in assessing their susceptibility to the effects of various substances of a lytic nature.<br/><br/>
Authors and Affiliations
Małgorzata Tokarska-Rodak, Sławomir Czernik, Marta Chwedczuk, Dorota Plewik, Tomasz Grudniewski, Ewa Teresa Pawłowicz-Sosnowska
Keywords
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- EP ID EP640942
- DOI 10.5604/01.3001.0013.3449
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