Ras signalling in pathogenic yeasts.

Ras signalling in pathogenic yeasts.
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DOI:
10.15698/mic2018.02.612
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发表时间:
2017-12-18
期刊:
Microbial cell (Graz, Austria)
影响因子:
--
通讯作者:
Gourlay CW
Gourlay CW
中科院分区:
其他
文献类型:
--
作者:
Pentland DR;Piper-Brown E;Mühlschlegel FA;Gourlay CW

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在真核细胞中,小的GT3 Ras作为生长、应激反应和细胞死亡的主要调节因子。Ras活性的控制是基本的,如Ras蛋白组成型的致癌特性所强调的。Ras在真菌病原体的致病性中也起着至关重要的作用,已经发现它调节毒力所需的许多适应。Ras在真菌疾病中的重要性提高了它可能为在对可用抗真菌药物的耐药性增加时开发新治疗提供有用靶点的可能性。新的发现表明,在真菌Ras蛋白中发现的不保守的重要调控序列可能在开发新的抗真菌药物中有用。在这里,我们回顾Ras蛋白的功能和信号转导在主要的人类酵母菌病原体白色念珠菌和新型隐球菌的作用,并讨论了潜在的针对Ras作为一种新的抗真菌治疗方法。
The small GTPase Ras acts as a master regulator of growth, stress response and cell death in eukaryotic cells. The control of Ras activity is fundamental, as highlighted by the oncogenic properties of constitutive forms of Ras proteins. Ras also plays a crucial role in the pathogenicity of fungal pathogens where it has been found to regulate a number of adaptions required for virulence. The importance of Ras in fungal disease raises the possibility that it may provide a useful target for the development of new treatments at a time when resistance to available antifungals is increasing. New findings suggest that important regulatory sequences found within fungal Ras proteins that are not conserved may prove useful in the development of new antifungals. Here we review the roles of Ras protein function and signalling in the major human yeast pathogens Candida albicans and Cryptococcus neoformans and discuss the potential for targeting Ras as a novel approach to anti-fungal therapy.
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