Journal
FUNGAL BIOLOGY
Volume 122, Issue 6, Pages 497-504Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.funbio.2017.10.004
Keywords
Entrainment; Glucose sensing; Neurospora; Photoadaptation; Stress
Categories
Funding
- European funds (European Regional Development Fund (ERDF)
- Deutscher Akademischer Austauschdienst (DAAD) [HA2003-0001]
- Spanish Ministerio de Economia y Competitividad (MINECO/FEDER) [BIO2015-67148-R]
- Ramon y Cajal program of the Spanish Ministerio de Economia y Competitividad [RYC-2014-15551]
- International Symposium on Fungal Stress (ISFUS)-2017 meeting from the Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (CAPES) of Brazil [PAEP 88887.126652/2017-00]
- Fundacao de Amparo a Pesquisa do Estado de Goias of Brazil [201710267000110]
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Light regulates fungal gene transcription transiently leading to photoadaptation. In the ascomycete Neurospora crassa photoadaptation is mediated by interactions between a light-regulated transcription factor complex, the white collar complex, and the small photoreceptor VVD. Other proteins, like the RCO-1/RCM-1 repressor complex participate indirectly in photoadaptation. We show that RCO-3, a protein with high similarity to glucose transporters, is needed for photoadaptation. The mutation in rco-3 modifies the transcriptional response to light of several genes and leads to changes in photoadaptation without significantly changing the amount and regulation of WC-1. The mutation in rco-3, however, does not modify the capacity of the circadian clock to be reset by light. Our results add support to the proposal that there is a connection between glucose sensing and light regulation in Neurospora and that the fungus integrates different environmental signals to regulate transcription. (C) 2017 British Mycological Society. Published by Elsevier Ltd. All rights reserved.
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