• Title/Summary/Keyword: Pleurotus ostrea

Search Result 3, Processing Time 0.016 seconds

List of beetles (Coleoptera) associated with the oyster mushroom, Pleurotus ostreatus Fr., in the Onon-Balj National Park of Mongolia

  • Jung, Boo Hee;Park, Sun-Jae
    • Journal of Species Research
    • /
    • v.3 no.2
    • /
    • pp.123-126
    • /
    • 2014
  • We present a list of the beetle species associated with the oyster mushroom, Pleurotus ostreatus Fr. in the birch forest of Onon-Balj National Park in Mongolia. A total of 21 species in seven families were found in this fungus, including fungivorous species: Litargus japonicus Reitter and Mycetophagus antennatus (Reitter) (Mycetophagidae), Pseudamblyopus similis (Lewis) (Erotylidae), and Lordithon sp. (Staphylinidae) etc. Both adult and larval forms are presented in the checklist along with the type of fungal association, of which approximately 52 percent are obligate mycetobionts. The main trends of the ecological and trophic specialization of the mycetophilic beetles are discussed.

Degradation of Three Aromatic Dyes by White Rot Fungi and the Production of Ligninolytic Enzymes

  • Jayasinghe, Chandana;Imtiaj, Ahmed;Lee, Geon-Woo;Im, Kyung-Hoan;Hur, Hyun;Lee, Min-Woong;Yang, Hee-Sun;Lee, Tae-Soo
    • Mycobiology
    • /
    • v.36 no.2
    • /
    • pp.114-120
    • /
    • 2008
  • This study was conducted to evaluate the degradation of aromatic dyes and the production of ligninolytic enzymes by 10 white rot fungi. The results of this study revealed that Pycnoporus cinnabarinus, Pleurotus pulmonarius, Ganoderma lucidum, Trametes suaveolens, Stereum ostrea and Fomes fomentarius have the ability to efficiently degrade congo red on solid media. However, malachite green inhibited the mycelial growth of these organisms. Therefore, they did not effectively decolorize malachite green on solid media. However, P. cinnabarinus and P. pulmonarius were able to effectively decolorize malachite green on solid media. T. suaveolens and F. rosea decolorized methylene blue more effectively than any of the other fungi evaluated in this study. In liquid culture, G. lucidum, P. cinnabarinus, Naematoloma fasciculare and Pycnoporus coccineus were found to have a greater ability to decolorize congo red. In addition, P. cinnabarinus, G lucidum and T. suaveolens decolorized methylene blue in liquid media more effectively than any of the other organisms evaluated in this study. Only F. fomentarius was able to decolorize malachite green in liquid media, and its ability to do so was limited. To investigate the production of ligninolytic enzymes in media containing aromatic compounds, fungi were cultured in naphthalene supple mented liquid media. P. coccineus, Coriolus versicolor and P. cinnabarinus were found to produce a large amount of laccase when grown in medium that contained napthalene.

Effects of Preservation Period at Low Temperature on the Mycelial Growth and the Lignocellulolytic Enzyme Activities of Basidiomycetes (저온보존기간이 담자균류의 균사생장과 목질분해효소의 활성에 미치는 영향)

  • Jeong, Yeun Sug;Ka, Kang-Hyeon
    • The Korean Journal of Mycology
    • /
    • v.42 no.4
    • /
    • pp.322-327
    • /
    • 2014
  • Subculture is the most common method for preservation fungi, but has a disadvantage of accumulation of spontaneous mutations during the repeated subculture. To reduce the subculture frequency, the effect of preservation period at $4^{\circ}C$ in a slant culture was examined on the mycelia growth and lignocellulolytic enzyme activities of various basidiomycetes. Mushrooms, including Stereum ostrea, Coprinellus micaeus, Trametes versicolor, Hypholoma fasciculare, Wolfiporia extensa, Pleurotus pulmonarius, Piptoporus betulinus and Ganoderma applanatum were not affected by the preservation period more than two years, indicating that they can be maintained by subculture every two years. Some other tested fungal strains showed a significant decrease in both viability and enzyme activity when they were maintained for two years, suggesting that they should be subcultured at least once in a year. A little correlation was found between the recovery of mycelial growth and extracellular enzyme activity. In conclusion, mycelial activity and enzyme activity according to storage period is expected to be a way of deciding on subculture times for fungal preservation.