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  • Title: The mannitol cycle in Pleurotus ostreatus (Florida).
    Author: Chakraborty TK, Basu D, Das N, Sengupta S, Mukherjee M.
    Journal: FEMS Microbiol Lett; 2004 Jul 15; 236(2):307-11. PubMed ID: 15251212.
    Abstract:
    In mushroom, presence of the mannitol cycle has not been reported so far although the polyol is supposed to be generated by the reduction of fructose by mannitol dehydrogenase. This study submits evidence for the presence of the mannitol cycle in Pleurotus ostreatus. The key enzyme of the cycle, mannitol-1-phosphate dehydrogenase (M1PDH), was present appreciably in all the developmental stages of the mushroom. However, the enzyme level dropped significantly at the onset of sporulation. The presence of M1DPH was confirmed by isozyme analysis and RT-PCR mediated amplification of a approximately 400 bp DNA fragment.
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