Identification of two Pleurotus ostreatus blue light receptor genes (PoWC-1 and PoWC-2) and in vivo confirmation of complex PoWC-12 formation through yeast two hybrid system
- PMID:31892380
- DOI: 10.1016/j.funbio.2019.10.004
Identification of two Pleurotus ostreatus blue light receptor genes (PoWC-1 and PoWC-2) and in vivo confirmation of complex PoWC-12 formation through yeast two hybrid system
Abstract
Blue light is necessary for initiation of mushroom formation of Pleurotus ostreatus. In this study, we isolated homologues of the blue light receptor genes wc-1 and wc-2 from P. ostreatus, PoWC-1 and PoWC-2. The PoWC-1 contained three typical PAS domains and one PAS domain exhibited significant similarity to the LOV domain of known blue light receptors. The PoWC-2 had one typical PAS domain and one ZnF domain. The qRT-PCR analysis showed that PoWC-1 and PoWC-2 expression increased in a short time, and the final level tended to be stable along with the light illumination. The PoWC-1 and PoWC-2 expression levels of the primordium period was higher than that of mature fruiting-body period; and in the pileus were the highest, followed by the stipe and the gills. The expression of PoWC-1 and PoWC-2 in pre-primordial mycelia was induced by light exposure. In vivo analysis through yeast two-hybrid experiment disclosed that PoWC-1 and PoWC-2 could form heterologous complex to activate the reporter genes and the complex perform the transcription factor function requiring the addition of FAD.
Keywords: Environment factor; Gene cloning; Oyster mushroom; Primordium formation; Y2H.
Copyright © 2019 British Mycological Society. Published by Elsevier Ltd. All rights reserved.
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