Nitrosative and oxidative stress responses in fungal pathogenicity.

Nitrosative and oxidative stress responses in fungal pathogenicity.
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DOI:
10.1016/j.mib.2009.06.007
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发表时间:
2009-08
影响因子:
5.4
通讯作者:
Quinn, Janet
Quinn, Janet
中科院分区:
生物学2区
文献类型:
--
作者:
Brown, Alistair J. P.;Haynes, Ken;Quinn, Janet

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真菌致病性在进化过程中以多系方式出现,产生具有不同感染策略的真菌病原体,并对人类宿主具有不同程度的进化适应。毫不奇怪,这些真菌病原体对人体细胞用来抵抗感染的活性氧和氮物质表现出不同程度的抵抗力。此外,虽然进化上保守的调节因子,如Hog1,是许多真菌病原体中这种应激反应的核心,但它们的作用和调节存在物种特异性差异。相反,在进化上不同的真菌病原体中诱发的活性氧和氮的细胞反应有高度的共性。
Fungal pathogenicity has arisen in polyphyletic manner during evolution, yielding fungal pathogens with diverse infection strategies and with differing degrees of evolutionary adaptation to their human host. Not surprisingly, these fungal pathogens display differing degrees of resistance to the reactive oxygen and nitrogen species used by human cells to counteract infection. Furthermore, whilst evolutionarily conserved regulators, such as Hog1, are central to such stress responses in many fungal pathogens, species-specific differences in their roles and regulation abound. In contrast, there is a high degree of commonality in the cellular responses to reactive oxygen and nitrogen species evoked in evolutionarily divergent fungal pathogens.
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