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International Journal of Medicinal Mushrooms
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ISSN Imprimir: 1521-9437
ISSN En Línea: 1940-4344

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International Journal of Medicinal Mushrooms

DOI: 10.1615/IntJMedMushr.v13.i5.60
pages 465-472

Morpho-physiological Diversity between Lingzhi or Reishi Medicinal Mushroom Ganoderma lucidium (W. Curt.:Fr.) P. Karst. and G. carnosum Pat.

Jasmina Ćilerdžić
Institute of Botany and Botanical Garden "Jevremovac", Faculty of Biology, University of Belgrade, Takovska 43, 11000 Belgrade, Serbia
Jelena Vukojević
Institute of Botany and Botanical Garden "Jevremovac", Faculty of Biology, University of Belgrade, Takovska 43, 11000 Belgrade, Serbia
Mirjana Stajic
Institute of Botany and Botanical Garden "Jevremovac", Faculty of Biology, University of Belgrade, Takovska 43, 11000 Belgrade, Serbia
Ibrahim Hadzic
Institute of Botany, Faculty of Biology, University of Belgrade, Takovska 43, 11000 Belgrade, Serbia

SINOPSIS

Two weakly differentiated taxa, Ganoderma lucidum and G. carnosum, were compared in their sufficient morphological and physiological features. The obtained results showed that dimensions of basidiospores and pileocystidia were insignificantly different, while pore shape and dimensions have shown greater diversity with average diameter of 138.46 μm in G. carnosum and 238.34 μm in G. lucidum. Mycelial growth rate was higher in G. lucidum (8.39 mm day−1) than in G. carnosum (6.02 mm day−1). G. lucidum was also a slightly better producer of biomass and extracellular polysaccharides (28.16 g L−1 and 1.42 mg mL−1, respectively) than G. carnosum (23.68 g L−1 and 0.35 mg mL−1, respectively). However, a higher amount of synthesized intracellular polysaccharides was noted in G. carnosum than in G. lucidum (40.00 mg g−1 and 30.00 mg g−1 of dry biomass, respectively). Higher activity levels of Mn-oxidizing peroxidases were obtained in G. carnosum, while G. lucidum was a better laccase producer. In G. carnosum, corn stem/NH4NO3 medium with nitrogen concentration of 20 mM was the optimum for Mn-dependent peroxidase production (88.00 U L−1), while the highest versatile peroxidase activity was detected in the medium with grapevine sawdust and 10 mM of nitrogen (80.80 U L−1). Wheat straw was the best carbon source for laccase synthesis in G. lucidum (55.75 U L−1).


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