INTERACTIONS BETWEEN AMINO-ACID-DEGRADING BACTERIA AND METHANOGENIC BACTERIA IN ANAEROBIC-DIGESTION

被引:75
作者
NAGASE, M
MATSUO, T
机构
[1] Dep.Urban Eng., Univ.Tokyo, Hongo, Tokyo 113, Japan
关键词
Amino acids - Bacteriology - Biochemistry - CHEMICAL REACTIONS - Fermentation;
D O I
10.1002/bit.260241009
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Certain amino acids were degraded oxidatively by dehydrogenation, with methanogenic bacteria acting as H//2 acceptors. The inhibition of methanogenesis by chloroform also inhibited the degradation of these amino acids and and/or caused variations in the composition of volatile acids produced from them. The presence of glycine reduced the inhibitory effect caused by chloroform, probably because glycine acted as an H//2 acceptor in place of methanogenic bacteria. This fact suggested that the coupled oxidation-reduction reactions between two amino acids - one acting as the H//2 donor and the other acting as the H//2 acceptor - may occur in the anaerobic digestion of proteins or amino-acid mixtures.
引用
收藏
页码:2227 / 2239
页数:13
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