Signalling pathways in the pathogenesis of Cryptococcus.

Signalling pathways in the pathogenesis of Cryptococcus.
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DOI:
10.1111/j.1462-5822.2008.01273.x
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发表时间:
2009-03
影响因子:
3.4
通讯作者:
Heitman J
Heitman J
中科院分区:
生物学2区
文献类型:
--
作者:
Kozubowski L;Lee SC;Heitman J

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与环境的有效沟通对所有生物体都至关重要。真菌利用复杂的信号系统来感知它们的环境并控制增殖、发育和在某些情况下的毒力。研究充分的信号传导途径包括蛋白激酶A/环AMP(cAMP)、蛋白激酶C(PKC)/促分裂原活化蛋白激酶(MAPK)、脂质信号传导级联和钙-钙调磷酸酶信号传导途径。人类致病性的新型隐球菌(Cryptococcus neoformans)利用敏感的信号系统在人类宿主中生存,导致危及生命的脑膜脑炎。这种真菌的已知毒力特征,包括抗氧化黑色素产生,抗吞噬多糖胶囊和在37°C下生长的能力,是由复杂的信号网络精心策划的,其理解对于更好地治疗,诊断和预防隐球菌病至关重要。
Efficient communication with the environment is critical for all living organisms. Fungi utilize complex signalling systems to sense their environments and control proliferation, development and in some cases virulence. Well-studied signalling pathways include the protein kinase A/cyclic AMP (cAMP), protein kinase C (PKC)/mitogen-activated protein kinase (MAPK), lipid signalling cascades, and the calcium–calcineurin signalling pathway. The human pathogenic basidiomycetous fungus Cryptococcus neoformans deploys sensitive signalling systems to survive in the human host, leading to life-threatening meningoencephalitis. Known virulence traits of this fungus, including the antioxidant melanin production, the antiphagocytic polysaccharide capsule and the ability to grow at 37°C, are orchestrated by complex signalling networks, whose understanding is crucial to better treat, diagnose and prevent cryptococcosis.
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