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    • 4. 发明申请
    • PRODUCTION OF MEDIUM CHAIN LENGTH POLYHYDROXYALKANOATES FROM FATTY ACID BIOSYNTHETIC PATHWAYS
    • 从脂肪酸生产途径生产中链长度聚羟基烷酸
    • WO0240690A2
    • 2002-05-23
    • PCT/US0143686
    • 2001-11-16
    • METABOLIX INC
    • AQUIN STEPHANIEPEOPLES OLIVER PSNELL KRISTI D
    • A01H5/00C12N1/21C12N9/00C12N9/10C12N9/16C12N15/09C12N15/54C12N15/55C12N15/82C12P7/42C12Q1/02C12Q1/25C12Q1/44C12Q1/48
    • C12N9/93C12N9/00C12N9/10C12N9/1029C12N9/16C12N15/8243
    • Methods for producing polyhydroxyalkanoates (PHAs) from fatty acid biosynthetic pathways using a 3-hydroxy acyl ACP thioesterase, a PHA synthase, and an acyl CoA synthetase, have been developed. Methodology for enabling PHA production from fatty acid biosynthetic pathways in non-native bacterial PHA producers and plants using an enzyme having the catalytic activity of 3-hydroxy acyl ACP thioesterase, an acyl CoA synthetase with substrate specificity for medium chain length 3-hydroxy fatty acids, and a medium chain length PHA synthase, has been developed. Acyl CoA synthetase activity can be supplied either by the endogenous acyl CoA synthetase of the host organism, when sufficiently expressed, or the host organism's activity can be supplemented by the expression of a recombinant acyl CoA synthetase gene. New strategies are described for plant based PHA production in the chloroplasts, cytosol, and peroxisomes of biomass crops as well as the plastids, cytosol, and peroxisomes of oil seed crops.
    • 已经开发了使用3-羟基酰基ACP硫酯酶,PHA合成酶和酰基辅酶A合成酶从脂肪酸生物合成途径生产聚羟基链烷酸酯(PHA)的方法。 使用具有3-羟基酰基ACP硫酯酶的催化活性的酶,非天然细菌PHA生产者和植物中的脂肪酸生物合成途径的PHA生产的方法,具有对于中链长度3-羟基脂肪酸具有底物特异性的酰基辅酶A合成酶 ,和中链长度PHA合酶。 酰基辅酶A合成酶活性可以通过宿主生物体的内源酰基辅酶A合成酶提供,当被充分表达时,或者宿主生物的活性可以通过重组酰基辅酶A合成酶基因的表达补充。 描述了用于生物量作物的叶绿体,细胞溶质和过氧化物酶体以及油料种子作物的质体,细胞溶质和过氧化物酶体的基于植物的PHA生产的新策略。