MOLECULAR DYNAMICS OF MORPHOGENESIS IN Volvariella volvacea (BULL. EX FR.) SING
Journal Title: International Journal of Agriculture Sciences - Year 2016, Vol 8, Issue 37
Abstract
Mannitol dehydrogenase, tyrosinase and water activity (aw) were found to be variously expressed during morphogenesis of V. volvacea. Very less enzymatic activity was recorded at pinhead stage, which increased with progression of growth. In different parts of mushroom maximum activities of mannitol dehydrogenase, tyrosinase, browning and water activity were found in pileus followed by volva and stipe. Mannitol dehydrogenase was found to be involved in morphogenesis whereas tyrosinase was found to be involved during senescence and browning of the sporophores of V. volvacea. Browning degree, water activity and tyrosinase activities are presumably conjugated and are responsible for the senescence of the mushroom. Further studies involving the molecular interaction of these enzymes in the developmental stages is most warranted for commercial marketing of mushrooms.
Authors and Affiliations
N. KIRANKUMAR
Keywords
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