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  • Title: Interaction of the rumen fungus Orpinomyces joyonii with Megasphaera elsdenii and Eubacterium limosum.
    Author: Hodrová B, Kopecný J, Petr O.
    Journal: Lett Appl Microbiol; 1995 Jul; 21(1):34-7. PubMed ID: 7662333.
    Abstract:
    The degradation and fermentation of microcrystalline cellulose were studied in monoculture of the polycentric anaerobic fungus Orpinomyces joyonii and in co-cultures with the rumen bacteria Megasphaera elsdenii and Eubacterium limosum. More than 25% of cellulose hydrolysis products (glucose and cellodextrins) were released by the fungus into the medium after 8 d of cultivation. These products were metabolized by bacteria in mixed cultures. In co-culture with the fungus M. elsdenii and E. limosum increased the extent of microcrystalline cellulose degradation by 10.12% and 7.96%, respectively. Biomass yield in co-cultures was increased by 89.9% and 59.4% for M. elsdenii and E. limosum. Y cellulose for fungus alone was 52.29 g dry matter mol-1 glucose. These values were 64.93 and 55.92 g mol-1 glucose unit in co-culture with M. elsdenii and E. limosum, respectively.
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