Formation of O -Ethylhomoserine by Bacteria

Author:

Murooka Yoshikatsu1,Harada Tokuya1

Affiliation:

1. The Institute of Scientific and Industrial Research, Osaka University, Suita, Osaka, Japan

Abstract

Resting cells of Corynebacterium sp. E17 formed O -ethylhomoserine from ethyl alcohol for a few hours. Addition of l -homoserine greatly enhanced its formation. Thus, the formation of O -ethylhomoserine from ethyl alcohol by 27 bacteria, 6 yeasts, and 4 fungi was investigated by using growing cultures and resting cells in the presence of l -homoserine. The O -ethylhomoserine formed in the culture supernatant fluids or supernatant fluids of the reaction mixtures was identified by paper chromatography. Many organisms which were incapable of forming O -ethylhomoserine with growing cultures formed it with resting cells. The formation of O -ethylhomoserine appears to be restricted to strains of Brevibacterium, Corynebacterium, Bacillus, Mycobacterium, Nocardia , and Streptomyces .

Publisher

American Society for Microbiology

Subject

Molecular Biology,Microbiology

Reference7 articles.

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5. O-Alkyl-L-homoserines: three new amino acids formed from alcohols by Corynebacterium ethanolaminophilum sp. nov;Harada T.;Biochem. Biophys. Res. Commun.,1967

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