A glimpse into the basis of vision in the kingdom Mycota.

A glimpse into the basis of vision in the kingdom Mycota.
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DOI:
10.1016/j.fgb.2010.04.009
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发表时间:
2010-11
影响因子:
3
通讯作者:
Corrochano, Luis M.
Corrochano, Luis M.
中科院分区:
生物学3区
文献类型:
--
作者:
Idnurm, Alexander;Verma, Surbhi;Corrochano, Luis M.

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几乎所有暴露在光线下的有机体都能够感知到这种环境信号。近年来,介导真菌“看”能力的光感受器已经在不同的物种中被识别出来,并越来越多地被表征。真菌基因组的小尺寸和遗传和分子生物学操作的简便性使这个王国成为了解光传感的真核生物的理想之地。在真菌中分布最广泛和最保守的光敏蛋白是白领1(WC-1),它是一种与黄素结合的光感受器,与WC-2作为转录因子复合体发挥作用。真菌中的其他感光蛋白包括视蛋白、光敏色素和隐色素,它们在真菌光生物学中的作用尚未完全解决,它们在真菌中的分布需要进一步的分类单元采样。更多未知的光感受器有待发现。这篇综述讨论了光对真菌的影响,以及可能已经塑造了物种感知和响应这一信号的能力的进化过程。
Virtually all organisms exposed to light are capable of sensing this environmental signal. In recent years the photoreceptors that mediate the ability of fungi to “see” have been identified in diverse species, and increasingly characterized. The small sizes of fungal genomes and ease in genetic and molecular biology manipulations make this kingdom ideal amongst the eukaryotes for understanding photosensing. The most widespread and conserved photosensory protein in the fungi is White collar 1 (WC-1), a flavin-binding photoreceptor that functions with WC-2 as a transcription factor complex. Other photosensory proteins in fungi include opsins, phytochromes and cryptochromes whose roles in fungal photobiology are not fully resolved and their distribution in the fungi requires further taxon sampling. Additional unknown photoreceptors await discovery. This review discusses the effects of light on fungi and the evolutionary processes that may have shaped the ability of species to sense and respond to this signal.
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