细胞外聚合物细菌覆盖作为最小面积表面
Extracellular polymeric bacterial coverages as minimal area surfaces
摘要：
通过原子力显微镜成像分析了疏水性硅和亲水性云母板上的{ \it Acidithiobacillusferrooxidans}的单个和一些小群落的胞外聚合物形成的表面。这样的覆盖面的精确纳米级的描述获得。与一个相当简单但现实的理论模型的预测良好的协议，使我们能够得出结论，他们对应的，确实，最小面积的表面包围一个给定的体积与被包裹的细菌。据我们所知，这是第一个形状表征的覆盖范围形成的这些生物分子，具有潜在的应用研究的生物膜。
英文摘要：
Surfaces formed by extracellular polymeric substances enclosing individual and some small communities of {\it Acidithiobacillus ferrooxidans} on plates of hydrophobic silicon and hydrophilic mica are analyzed by means of atomic force microscopy imaging. Accurate nanoscale descriptions of such coverage surfaces are obtained. The good agreement with the predictions of a rather simple but realistic theoretical model allows us to conclude that they correspond, indeed, to minimal area surfaces enclosing a given volume associated with the encased bacteria. This is, to the best of our knowledge, the first shape characterization of the coverage formed by these biomolecules, with potential applications to the study of biofilms.
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