Abstract

Lactones are useful flavor compounds and some 5-hydroxy-γ-butyrolactones also have important biological activities. In this study, a newly isolated Bacillus strain 1s-1 was identified to be capable of producing 5-hydroxy-γ-decalactone (HDL) from peanut oil by gas chromatography–mass spectrometry and authentic standards. The complete genome of this strain was sequenced and de novo assembled to a single circular chromosome of 4,166,290 bp with a guanine-cytosine content of 46.3%. The biosynthesis pathway of HDL in strain 1s-1 was postulated and this study provides helpful information for further utilizing Bacillus sp. 1s-1 as a source of valuable hydroxy lactones.

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