Isolation and Identification of Tetramethylammonium-Biodegrading Bacteria

概要

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Thetramethylammonium hydroxide (TMAH)-using bacteria were isolated from soils in a factory which has produced similar C_1 compounds with TMAH for 30 years. Four Gram-positive strains (TH-6,TH-30,TH-31 and TH-35) use TMAH easily, and grow in up to 8 wt% TMAH. Two Gram-negative strains (TH-3 and TH-15) use TMAH weakly, and grow in up to 3 wt% TMAH. The Gram-positive strains belong to the Mcobacterium, Gram-negative TH-3 resembles Pseudomonas aminovorans, and TH-15 belongs to the Methylobacterium from its morphological and chemotaxonomic characteristics. Mycobacterium sp. TH-30 biodegrades 1% TMAH in a continuous culture with a dilution rate below 0.06 h^<-1> completely. This bacterium seems to be useful for the biodegradation of waste fluids containing TMAH.
社団法人日本生物工学会の論文
1990-07-25