Mycobiology

The Korean Society of Mycology (한국균학회)
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Growth Characteristics of Polyporales Mushrooms for the Mycelial Mat Formation

  • Bae, Bin (Department of Bio and Medical Big Data (BK4 program) and Research Institute of Life Sciences, Gyeongsang National University) ;
  • Kim, Minseek (Department of Bio and Medical Big Data (BK4 program) and Research Institute of Life Sciences, Gyeongsang National University) ;
  • Kim, Sinil (Department of Bio and Medical Big Data (BK4 program) and Research Institute of Life Sciences, Gyeongsang National University) ;
  • Ro, Hyeon-Su (Department of Bio and Medical Big Data (BK4 program) and Research Institute of Life Sciences, Gyeongsang National University)
  • Received : 2021.01.26
  • Accepted : 2021.03.29
  • Published : 2021.06.30
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Abstract

Mushroom strains of Polyporales from the genera Coriolus, Trametes, Pycnoporus, Ganoderma, and Formitella were explored in terms of mycelial growth characteristics for the application of mushroom mycelia as alternative sources of materials replacing fossil fuel-based materials. Among the 64 strains of Polyporales, G. lucidum LBS5496GL was selected as the best candidate because it showed fast mycelial growth with high mycelial strength in both the sawdust-based solid medium and the potato dextrose liquid plate medium. Some of the Polyporales in this study have shown good mycelial growth, however, they mostly formed mycelial mat of weak physical strength. The higher physical strength of mycelial mat by G. lucidum LBS5496GL was attributed to its thick hyphae with the diameter of 13 mm as revealed by scanning electron microscopic analysis whereas the hyphae of others exhibited less than 2 mm. Glycerol and skim milk supported the best mycelial growth of LBS5496GL as a carbon and a nitrogen source, respectively.

Keywords

Acknowledgement

This work was supported by a grant from the New Breeding Technologies Development Program [Project No. PJ01516502], Rural Development Administration, Republic of Korea.

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