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- W4220753223 abstract "Light serves as a source of information and regulates diverse physiological processes in living organisms. Fungi perceive and respond to light through a complex photosensory system. Fungi have evolved the desensitization mechanism to adapt to the changing light signal in a natural environment. White light exerts multiple essential impacts on the model filamentous fungus Podospora anserina. However, the light sensing and response in this species has not been investigated. In this study, we demonstrated that the loss of function of the light desensitization protein VIVID (VVD) in P. anserina triggered exacerbated light responses and therefore led to drastic morphological and physiological changes. The white light-sensitive mutant Δvvd showed growth reduction, spermatia overproduction, enhanced hyphae pigmentation and reduced oxidative stress tolerance. We observed the decreased expression level of sterigmatocystin gene cluster by transcriptome analysis and finally detected the reduced production of sterigmatocystin in Δvvd in response to white light. Our data indicate that VVD acts as a repressor of white collar complex. This study exhibits a vital role of VVD in governing white light-responsive gene expression and secondary metabolite production and contributes to a better understanding of the photoreceptor VVD in P. anserina." @default.
- W4220753223 created "2022-04-03" @default.
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- W4220753223 date "2022-04-08" @default.
- W4220753223 modified "2023-10-14" @default.
- W4220753223 title "Involvement of <scp>VIVID</scp> in white light‐responsive pigmentation, sexual development and sterigmatocystin biosynthesis in the filamentous fungus <i>Podospora anserina</i>" @default.
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- W4220753223 doi "https://doi.org/10.1111/1462-2920.15978" @default.
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