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    • 11. 发明申请
    • MICROORGANISMS FOR PRODUCING ISOBUTANOL AND METHODS RELATED THERETO
    • 用于生产ISOBUTANOL的微生物及其相关方法
    • WO2012177601A3
    • 2014-05-08
    • PCT/US2012043091
    • 2012-06-19
    • GENOMATICA INCBURGARD ANTHONY POSTERHOUT ROBIN ESUN JUNPHARKYA PRITI
    • BURGARD ANTHONY POSTERHOUT ROBIN ESUN JUNPHARKYA PRITI
    • C07C29/00C12N1/00C12N1/20C12P7/16
    • C12P7/16C12N15/52Y02E50/10
    • Provided herein is a non-naturally occurring microbial organism having an isopropanol pathway and comprising at least one exogenous nucleic acid encoding an isopropanol pathway enzyme. In certain embodiments, the pathway includes an enzyme selected from a 4-hydroxybutyryl-CoA dehydratase, a crotonase, a 3-hydroxybutyryl-CoA dehydrogenase, an acetoacetyl-CoA synthetase, an acetyl-CoA:acetoacetate-CoA transferase, an acetoacetyl-CoA hydrolase, an acetoacetate decarboxylase, and an acetone reductase. Also provided herein is anon-naturally occurring microbial organism having an n-butanol pathway and comprising at least one exogenous nucleic acid encoding an n-butanol pathway enzyme. Other non-naturally occurring microbial organism having n-butanol or isobutanol pathways are also provided herein. In certain embodiments, isobutanol pathways utilizing reverse TCA and/or reducing equivalents from CO and/or hydrogen are used to enhance product yields. The organisms provided herein can be cultured to produce isopropanol, n-butanol, or isobutanol.
    • 本文提供了具有异丙醇途径并且包含至少一种编码异丙醇途径酶的外源核酸的非天然存在的微生物生物。 在某些实施方案中,该途径包括选自4-羟基丁酰-CoA脱水酶,巴豆酸酶,3-羟基丁酰辅酶A脱氢酶,乙酰乙酰辅酶A合成酶,乙酰辅酶A:乙酰乙酸酯-CoA转移酶,乙酰乙酰辅酶A 水解酶,乙酰乙酸脱羧酶和丙酮还原酶。 本文还提供了具有正丁醇途径的非天然存在的微生物生物,并且包含至少一种编码正丁醇途径酶的外源核酸。 本文还提供了其它具有正丁醇或异丁醇途径的非天然存在的微生物。 在某些实施方案中,使用利用反向TCA和/或来自CO和/或氢的还原当量的异丁醇途径来提高产物产率。 本文提供的生物体可以培养以产生异丙醇,正丁醇或异丁醇。