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Modified recipe to inhibit fruiting body formation for living fungal biomaterial manufacture.


ABSTRACT: Living fungal mycelium with abolished ability to form fruiting bodies is a self-healing substance, which is particularly valuable for further engineering and development as materials sensing environmental changes and secreting signals. Suppression of fruiting body formation is also a useful tool for maintaining the stability of a mycelium-based material with ease and lower cost. The objective of this study was to provide a biochemical solution to regulate the fruiting body formation, which may replace heat killing of mycelium in practice. The concentrations of glycogen synthase kinase-3 (GSK-3) inhibitors, such as lithium chloride or CHIR99021 trihydrochloride, were found to directly correlate with the development of fruiting bodies in the mushroom forming fungi such as Coprinopsis cinerea and Pleurotus djamor. Sensitive windows to these inhibitors throughout the fungal life cycle were also identified. We suggest the inclusion of GSK-3 inhibitors in the cultivation recipes for inhibiting fruiting body formation and regulating mycelium growth. This is the first report of using a GSK-3 inhibitor to suppress fruiting body formation in living fungal mycelium-based materials. It provides an innovative strategy for easy, reliable, and low cost maintenance of materials containing living fungal mycelium.

SUBMITTER: Chang J 

PROVIDER: S-EPMC6513072 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Modified recipe to inhibit fruiting body formation for living fungal biomaterial manufacture.

Chang Jinhui J   Chan Po Lam PL   Xie Yichun Y   Ma Ka Lee KL   Cheung Man Kit MK   Kwan Hoi Shan HS  

PloS one 20190513 5


Living fungal mycelium with abolished ability to form fruiting bodies is a self-healing substance, which is particularly valuable for further engineering and development as materials sensing environmental changes and secreting signals. Suppression of fruiting body formation is also a useful tool for maintaining the stability of a mycelium-based material with ease and lower cost. The objective of this study was to provide a biochemical solution to regulate the fruiting body formation, which may r  ...[more]

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