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Interactions between anaerobic cellulolytic bacteria and fungi in the presence of Methanobrevibacter smithii
Author(s) -
Irvine Helga L.,
Stewart C.S.
Publication year - 1991
Publication title -
letters in applied microbiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.698
H-Index - 110
eISSN - 1472-765X
pISSN - 0266-8254
DOI - 10.1111/j.1472-765x.1991.tb00504.x
Subject(s) - fibrobacter succinogenes , biology , rumen , ruminococcus , microbiology and biotechnology , bacteria , strain (injury) , cellulase , food science , enzyme , fermentation , biochemistry , genetics , anatomy , feces
A mixed inoculum of cellulolytic rumen bacteria depressed straw degradation by a mixed culture of cellulolytic fungi grown in the presence of Methanobrevibacter smithii. The inhibitory effect appeared to be caused by Ruminococcus albus strain JI and R. flavefaciens strain 007. Ruminococcus albus strain J1 also depressed straw degradation by the fungi, but R. albus strain SY3 and three strains of Bacteroides (Fibrobacter) succinogenes tested showed little or no inhibitory activity. It seems that some ruminococci show competitive or antagonistic activity towards certain rumen fungi.