微生物によるアルデヒド類の利用 : (第1報) パラアルデヒド資化性菌の分離とその性質

概要

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In order to use paraldehyde, a trimer of acetaldehyde, as carbon sources in the industrial fermentation, a screening test with paraldehyde-metabolizing was attempted. Consequently, paraldehyde assimilating bacteria were isolated from sewage. Taxonomical characteristics of these isolates were examined and the prganisms were classified into two new species, and named Corynebacterium paraldehydium nov. sp. and Corynebacterium flavoaurantiacum nov. sp.Corynebacterium paraldehydium KY 4359 showed an abundant growth in a medium containing 1〜2% paraldehyde. The highest cell growth was about 30mg/ml and the highest cell yield to paraldehyde added was 35%. These cells contained 52 percent protein.When penicillin was added to a culture broth of KY 4359,accumulation of L-glutamic acid was recognized.The cell free extracts of KY 4359 obtained by sonic oscillation were able to convert paraldehyde into acetaldehyde and acetic acid, and acetaldehyde into acetic acid and ethanol.
社団法人日本生物工学会の論文
1970-11-25