1998 年 62 巻 9 号 p. 1778-1780
A sucrose phosphorylase (SPase) gene derived from Leuconostoc mesenteroides was introduced into a cellulose-producing Acetobacter strain and expressed under the lac promoter. The activity of the SPase was detected in extracts of the transformed cells and cellulose production from sucrose by the cells was found to have increased, which strongly suggests that the increase was the result of the new metabolizing pathway. Furthermore, the level of SPase expression was increased by altering the length of the lac promoter.
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