乙酸盐对产甲烷菌和共营养反硝化降解苯甲酸的抑制作用。
Acetate inhibition of methanogenic, syntrophic benzoate degradation.
机构信息
Departments of Crop and Soil Sciences and of Microbiology and Public Health, Michigan State University, East Lansing, Michigan 48824.
出版信息
Appl Environ Microbiol. 1988 Jul;54(7):1871-3. doi: 10.1128/aem.54.7.1871-1873.1988.
Abstract
Acetate inhibited benzoate degradation by a syntrophic coculture of an anaerobic benzoate degrader (strain BZ-2) and Methanospirillum strain PM-1; the apparent K(i) for acetate was approximately 40 mM. The addition of acetate resulted in a decrease in the hydrogen concentration in the coculture, indicating that phenomena related to interspecies hydrogen transfer affected this value and that the effect of acetate on the benzoate-degrading partner was probably greater than the apparent K(i) for the coculture suggests.
摘要
乙酸抑制了一株厌氧苯甲酸降解菌（BZ-2 株）和 Methanospirillum 菌株 PM-1 的共培养物中苯甲酸的降解；乙酸的表观 K(i)约为 40mM。乙酸的添加导致共培养物中氢气浓度降低，表明种间氢转移相关的现象影响了这个值，并且乙酸对苯甲酸降解菌的影响可能大于共培养物的表观 K(i)所表明的。
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