Ostreolysin enhances fruiting initiation in the oyster mushroom (Pleurotus ostreatus)

Mycological Research
Sabina BerneKristina Sepcic

Abstract

Fruiting initiation in mushrooms can be triggered by a variety of environmental and biochemical stimuli, including substances of natural or synthetic origin. In this work ostreolysin, a cytolytic protein specifically expressed during the formation of primordia and fruit bodies of Pleurotus ostreatus, was applied to nutrient media inoculated with mycelium of P. ostreatus, and its effects on mycelial growth and fructification of the mushroom studied. The addition of ostreolysin slightly inhibited the growth of mycelium, but strongly induced the formation of primordia, which appeared 10 d earlier than in control plates supplemented with bovine serum albumin or with the dissolving buffer alone. Moreover, ostreolysin stimulated the subsequent development of primordia into fruit bodies. However, direct involvement of this protein in the sporulation of the mushroom is unlikely, as it was also detected in large amounts in the non-sporulating strain of P. ostreatus.

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Citations

Aug 6, 2009·BMC Microbiology·Acássia B L PiresGonçalo A G Pereira
Jul 10, 2012·Medical Mycology·Ajay P NayakDonald H Beezhold
Feb 19, 2015·Journal of the Science of Food and Agriculture·Doudou YangXiaochun Wan
Dec 6, 2014·Applied Microbiology and Biotechnology·Maruša NovakKristina Sepčić
Mar 30, 2017·Natural Product Research·Yongbiao ZhengJianzhong Huang
Jul 16, 2010·Mycopathologia·Ajay P NayakDonald H Beezhold
Aug 14, 2019·3 Biotech·Anupam BarhPankaj Bhatt
Sep 25, 2020·Journal of Invertebrate Pathology·Anastasija PanevskaKristina Sepčić

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