Role of Cell Surface Hydrophobicity in the Pathogenesis of Medically-Significant Fungi.

Role of Cell Surface Hydrophobicity in the Pathogenesis of Medically-Significant Fungi.
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DOI:
10.3389/fcimb.2020.594973
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发表时间:
2020
影响因子:
5.7
通讯作者:
Casadevall A
Casadevall A
中科院分区:
医学2区
文献类型:
--
作者:
Danchik C;Casadevall A

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细胞表面疏水性(CSH)是影响细胞间和细胞表面相互作用的重要生物物理参数。在二态真菌中,包括温度诱导的霉菌和酵母形态之间的转换在内的多种因素对CSH有很强的影响,在有利于丝状细胞生长的较低温度下,较高的疏水性更常见。尽管有亲水性囊存在,一些新型隐球菌菌株仍表现出较高的CSH。在来自同一分离物的单个酵母菌落中,不同的形态可以对应CSH的差异。CSH的这些差异通常与医学上重要的真菌的毒力改变有关,并可能影响抗真菌治疗的效果。病原真菌维持CSH的机制尚不清楚,但了解这一基本细胞参数对于理解其对生物膜形成和毒力等现象的贡献是重要的。
Cell surface hydrophobicity (CSH) is an important cellular biophysical parameter which affects both cell-cell and cell-surface interactions. In dimorphic fungi, multiple factors including the temperature-induced shift between mold and yeast forms have strong effects on CSH with higher hydrophobicity more common at the lower temperatures conducive to filamentous cell growth. Some strains of Cryptococcus neoformans exhibit high CSH despite the presence of the hydrophilic capsule. Among individual yeast colonies from the same isolate, distinct morphologies can correspond to differences in CSH. These differences in CSH are frequently associated with altered virulence in medically-significant fungi and can impact the efficacy of antifungal therapies. The mechanisms for the maintenance of CSH in pathogenic fungi remain poorly understood, but an appreciation of this fundamental cellular parameter is important for understanding its contributions to such phenomena as biofilm formation and virulence.
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