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    • 1. 发明申请
    • METHOD FOR PREPARING MESO-2,3-BUTANEDIOL
    • 制备MESO-2,3-丁醇的方法
    • WO2012124890A2
    • 2012-09-20
    • PCT/KR2012000436
    • 2012-01-18
    • UNIV SOGANG IND UNIV COOP FOUNLEE JIN WONLEE SOO JINKIM BO-RIMCHOI WOO JOO
    • LEE JIN WONLEE SOO JINKIM BO-RIMCHOI WOO JOO
    • C12N1/21C12N15/53C12N15/60C12N15/70C12P7/16
    • C12P7/16C12N9/0006C12N9/88C12Y101/01001C12Y101/01004C12Y401/01005Y02E50/10
    • The present invention relates to a method for preparing meso-2,3-butanediol. More particularly, the present invention relates to colon bacillus for overexpressing meso-2,3-butaediol, which is cotransformed to an expression vector including at least one nucleotide SEQ ID selected from the group consisting of the following nucleotide SEQ IDs: (a) nucleotide-coding acetoin reductase having an amino acid sequence described in SEQ ID 5 of a sequence listing; (b) nucleotide-coding acetolactate decarboxylase; and (c) nucleotide-coding alcohol dehydrogenase. The cotransformed colon bacillus of the present invention can produce 2,3-butanediol, which could not be obtained from wild species. Therefore, it is possible to biosynthesize a large amount of meso-2,3-butanediol through the biosynthesis path expression of meso-2,3-butanediol from glucose, and through metabolic flux change by means of the insertion of the genes of other species.
    • 本发明涉及一种制备内消旋-2,3-丁二醇的方法。 更具体地,本发明涉及用于过表达内切-2,3-丁二醇的大肠杆菌,其被共转化成包含至少一个选自以下核苷酸SEQ ID的核苷酸SEQ ID的核苷酸SEQ ID:(a)核苷酸 - 具有序列表的SEQ ID 5所示的氨基酸序列的乙偶姻还原酶; (b)核苷酸编码乙酰乳酸脱羧酶; 和(c)核苷酸编码的醇脱氢酶。 本发明的共转化大肠杆菌可以产生不能从野生种获得的2,3-丁二醇。 因此,可以通过葡萄糖的内消旋-2,3-丁二醇的生物合成途径表达生物合成大量的内消旋-2,3-丁二醇,通过其他物种的基因插入代谢通量变化是可能的 。