2019•Malaysian Journal of Fundamental and Applied SciencesOpen access
Potential mutant of Lentinula edodes with high yield of (1-3), (1-6-), β-D-glucan
Ibrahim Mahmood, Azhar Mohamad, Fauzi Daud, Babul Airianah Othman, Douglas Law, Cheah Yew Hoong, Mushrifah Idris, Аzwan Mat Lazim, Seng Joe Lim, Nur Hidayah Jamar, Herryawan Ryadi Eziwar Dyari, Nik Marzuki Sidik, Shazrul Fazry
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Abstract
Lentinula edodes or better known as Shiitake mushroom contains β-1,3;1,6-glucan as part of the cell wall components and studies have shown that it has the ability to enhance the immune system and work as anticancer. The aim of this study is to create potential strain of L. edodes with the high content of β-1,3;1,6-glucan, which has the potential for biotechnological purposes. L. edodes spores were irradiated with gamma ray (Ɣ-rays) and incubated, which formed monokaryon mycelium (MM). Compatible mating of mutated monokaryon formed mutant line dikaryon mycelium (MLDM) that were selected for genotypic and phenotypic comparison with the wild-type line dikaryon mycelium (WLDM). The concentration of β-1,3;1,6-glucan were measured using a commercial β-Glucan Megazyme Assay Kit (Yeast & Mushroom). Three MLDM, (A37, A26, and C07) 38.8, 36.0 and 34.5 %w/w of 100 mg respectively, significantly produced higher amount of β-1,3;1,6-glucan in comparison with WLDM (20.2 %w/w of 100 mg).
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