Biological Systems for Manufacture of Polyhydroxyalkanoate Polymers Containing 4-Hydroxyacids
    1.
    发明申请
    Biological Systems for Manufacture of Polyhydroxyalkanoate Polymers Containing 4-Hydroxyacids 审中-公开
    用于制造含有4-羟基酸的聚羟基链烷酸酯聚合物的生物系统

    公开(公告)号:US20110008856A1

    公开(公告)日:2011-01-13

    申请号:US11924531

    申请日:2007-10-25

    摘要: The gene encoding a 4-hydroxybutyryl-Co A transferase has been isolated from bacteria and integrated into the genome of bacteria also expressing a polyhydroxyalkanoate synthase, to yield an improved production process for 4HB-containing polyhydroxyalkanoates using transgenic organisms, including both bacteria and plants. The new pathways provide means for producing 4HB containing PHAs from cheap carbon sources such as sugars and fatty acids, in high yields, which are stable. Useful strains are obtaining by screening strains having integrated into their genomes a gene encoding a 4HB-CoA transferase and/or PHA synthase, for polymer production. Processes for polymer production use recombinant systems that can utilize cheap substrates. Systems are provided which can utilize amino acid degradation pathways, α-ketoglutarate, or succinate as substrate.

    摘要翻译: 已经从细菌中分离出编码4-羟基丁酰-CoA转移酶的基因,并整合到也表达聚羟基链烷酸酯合酶的细菌的基因组中,以使用包括细菌和植物在内的转基因生物来产生含4HB的聚羟基链烷酸酯的改进的生产方法。 新途径提供了从低廉的碳源(如糖和脂肪酸)生产含有PHB的4HB的方法,其产率高,稳定。 有用的菌株是通过筛选在其基因组中整合了编码4HB-CoA转移酶和/或PHA合成酶的基因的聚合物生产获得的菌株。 用于聚合物生产的方法使用可以利用廉价底物的重组体系。 提供可以利用氨基酸降解途径的系统,α-酮戊二酸或琥珀酸作为底物。

    Medical devices and applications of polyhydroxyalkanoate polymers
    2.
    发明授权
    Medical devices and applications of polyhydroxyalkanoate polymers 有权
    聚羟基链烷酸酯聚合物的医疗装置和应用

    公开(公告)号:US06838493B2

    公开(公告)日:2005-01-04

    申请号:US10082954

    申请日:2002-02-26

    摘要: Devices formed of or including biocompatible polyhydroxyalkanoates are provided with controlled degradation rates, preferably less than one year under physiological conditions. Preferred devices include sutures, suture fasteners, meniscus repair devices, rivets, tacks, staples, screws (including interference screws), bone plates and bone plating systems, surgical mesh, repair patches, slings, cardiovascular patches, orthopedic pins (including bone filling augmentation material), adhesion barriers, stents, guided tissue repair/regeneration devices, articular cartilage repair devices, nerve guides, tendon repair devices, atrial septal defect repair devices, pericardial patches, bulking and filling agents, vein valves, bone marrow scaffolds, meniscus regeneration devices, ligament and tendon grafts, ocular cell implants, spinal fusion cages, skin substitutes, dural substitutes, bone graft substitutes, bone dowels, wound dressings, and hemostats. The polyhydroxyalkanoates can contain additives, be formed of mixtures of monomers or include pendant groups or modifications in their backbones, or can be chemically modified, all to alter the degradation rates. The polyhydroxyalkanoate compositions also provide favorable mechanical properties, biocompatibility, and degradation times within desirable time frames under physiological conditions.

    摘要翻译: 由生物相容性聚羟基链烷酸酯形成或包括生物相容性聚羟基链烷酸酯的设备具有受控的降解速率,优选在生理条件下小于一年。 优选的装置包括缝线,缝线紧固件,弯液面修复装置,铆钉,钉,钉,螺钉(包括干涉螺钉),骨板和骨电镀系统,外科手术网,修复贴片,吊索,心血管贴片,矫形针 材料),粘附屏障,支架,引导组织修复/再生装置,关节软骨修复装置,神经导管,肌腱修复装置,房间隔缺损修复装置,心包块,填充剂和填充剂,静脉瓣,骨髓支架,半月板再生 装置,韧带和腱移植物,眼细胞植入物,脊髓融合笼,皮肤替代物,硬脑膜替代物,骨移植物替代物,骨榫,伤口敷料和止血剂。 聚羟基链烷酸酯可以含有由单体的混合物形成的添加剂,或者在其主链中包括侧基或修饰,或者可以化学改性,以改变降解速率。 聚羟基链烷酸酯组合物还在生理条件下的期望时间范围内提供有利的机械性能,生物相容性和降解时间。

    Bioabsorbable polymer containing 2-hydroxyacid monomers
    3.
    发明授权
    Bioabsorbable polymer containing 2-hydroxyacid monomers 有权
    含有2-羟基酸单体的生物可吸收聚合物

    公开(公告)号:US08703449B2

    公开(公告)日:2014-04-22

    申请号:US13250492

    申请日:2011-09-30

    CPC分类号: C12P7/625 Y10T428/31507

    摘要: Genetically engineered organisms for production of PHA copolymers containing 2-hydroxyacid monomers and the methods of making and using thereof have been developed. The copolymers containing 2-hydroxyacid monomers can be synthesized via biosynthesis by the action of a PHA polymerase in a living cell. By changing the genetic background of the cells, one can control specific metabolic pathways allowing control of the level of glycolic acid co-monomer in the PHA polymer.

    摘要翻译: 已经开发了用于生产含有2-羟基酸单体的PHA共聚物的基因工程生物及其制备和使用方法。 含有2-羟基酸单体的共聚物可以通过PHA聚合酶在活细胞中的作用通过生物合成来合成。 通过改变细胞的遗传背景,人们可以控制特异性代谢途径,从而控制PHA聚合物中乙醇酸共聚单体的含量。

    Medical devices and applications of polyhydroxyalkanoate polymers
    4.
    发明授权
    Medical devices and applications of polyhydroxyalkanoate polymers 有权
    聚羟基链烷酸酯聚合物的医疗装置和应用

    公开(公告)号:US07179883B2

    公开(公告)日:2007-02-20

    申请号:US11020896

    申请日:2004-12-22

    IPC分类号: C08G63/08

    摘要: Devices formed of or including biocompatible polyhydroxyalkanoates are provided with controlled degradation rates, preferably less than one year under physiological conditions. Preferred devices include sutures, suture fasteners, meniscus repair devices, rivets, tacks, staples, screws (including interference screws), bone plates and bone plating systems, surgical mesh, repair patches, slings, cardiovascular patches, orthopedic pins (including bone filling augmentation material), adhesion barriers, stents, guided tissue repair/regeneration devices, articular cartilage repair devices, nerve guides, tendon repair devices, atrial septal defect repair devices, pericardial patches, bulking and filling agents, vein valves, bone marrow scaffolds, meniscus regeneration devices, ligament and tendon grafts, ocular cell implants, spinal fusion cages, skin substitutes, dural substitutes, bone graft substitutes, bone dowels, wound dressings, and hemostats. The polyhydroxyalkanoates can contain additives, be formed of mixtures of monomers or include pendant groups or modifications in their backbones, or can be chemically modified, all to alter the degradation rates. The polyhydroxyalkanoate compositions also provide favorable mechanical properties, biocompatibility, and degradation times within desirable time frames under physiological conditions.

    摘要翻译: 由生物相容性聚羟基链烷酸酯形成或包括生物相容性聚羟基链烷酸酯的设备具有受控的降解速率,优选在生理条件下小于一年。 优选的装置包括缝线,缝线紧固件,弯液面修复装置,铆钉,钉,钉,螺钉(包括干涉螺钉),骨板和骨电镀系统,外科手术网,修复贴片,吊索,心血管贴片,矫形针 材料),粘附屏障,支架,引导组织修复/再生装置,关节软骨修复装置,神经导管,肌腱修复装置,房间隔缺损修复装置,心包块,填充剂和填充剂,静脉瓣,骨髓支架,半月板再生 装置,韧带和腱移植物,眼细胞植入物,脊髓融合笼,皮肤替代物,硬脑膜替代物,骨移植物替代物,骨榫,伤口敷料和止血剂。 聚羟基链烷酸酯可以含有由单体的混合物形成的添加剂,或者在其主链中包括侧基或修饰,或者可以化学改性,以改变降解速率。 聚羟基链烷酸酯组合物还在生理条件下的期望时间范围内提供有利的机械性能,生物相容性和降解时间。

    BIOABSORBABLE POLYMER CONTAINING 2-HYDROXYACID MONOMERS
    6.
    发明申请
    BIOABSORBABLE POLYMER CONTAINING 2-HYDROXYACID MONOMERS 有权
    含双羟基单体的生物可降解聚合物

    公开(公告)号:US20120021471A1

    公开(公告)日:2012-01-26

    申请号:US13250492

    申请日:2011-09-30

    IPC分类号: C12P7/62

    CPC分类号: C12P7/625 Y10T428/31507

    摘要: Genetically engineered organisms for production of PHA copolymers containing 2-hydroxyacid monomers and the methods of making and using thereof have been developed. The copolymers containing 2-hydroxyacid monomers can be synthesized via biosynthesis by the action of a PHA polymerase in a living cell. By changing the genetic background of the cells, one can control specific metabolic pathways allowing control of the level of glycolic acid co-monomer in the PHA polymer.

    摘要翻译: 已经开发了用于生产含有2-羟基酸单体的PHA共聚物的基因工程生物及其制备和使用方法。 含有2-羟基酸单体的共聚物可以通过PHA聚合酶在活细胞中的作用通过生物合成来合成。 通过改变细胞的遗传背景,人们可以控制特异性代谢途径,从而控制PHA聚合物中乙醇酸共聚单体的含量。

    Bioabsorbable polymer containing 2-hydroxyacid monomers
    7.
    发明授权
    Bioabsorbable polymer containing 2-hydroxyacid monomers 有权
    含有2-羟基酸单体的生物可吸收聚合物

    公开(公告)号:US08039237B2

    公开(公告)日:2011-10-18

    申请号:US10434334

    申请日:2003-05-07

    CPC分类号: C12P7/625 Y10T428/31507

    摘要: Genetically engineered organisms for production of PHA copolymers containing 2-hydroxyacid monomers and the methods of making and using thereof have been developed. The copolymers containing 2-hydroxyacid monomers can be synthesized via biosynthesis by the action of a PHA polymerase in a living cell. By changing the genetic background of the cells, one can control specific metabolic pathways allowing control of the level of glycolic acid co-monomer in the PHA polymer.

    摘要翻译: 已经开发了用于生产含有2-羟基酸单体的PHA共聚物的基因工程生物及其制备和使用方法。 含有2-羟基酸单体的共聚物可以通过PHA聚合酶在活细胞中的作用通过生物合成来合成。 通过改变细胞的遗传背景,人们可以控制特异性代谢途径,从而控制PHA聚合物中乙醇酸共聚单体的含量。

    Biological systems for manufacture of polyhydroxyalkanoate polymers containing 4-hydroxyacids
    9.
    发明授权
    Biological systems for manufacture of polyhydroxyalkanoate polymers containing 4-hydroxyacids 有权
    用于制造含有4-羟基酸的聚羟基链烷酸酯聚合物的生物体系

    公开(公告)号:US07229804B2

    公开(公告)日:2007-06-12

    申请号:US11245891

    申请日:2005-10-07

    IPC分类号: C12P7/62 C12N15/54 C12N15/53

    摘要: The gene encoding a 4-hydroxybutyryl-CoA transferase has been isolated from bacteria and integrated into the genome of bacteria also expressing a polyhydroxyalkanoate synthase, to yield an improved production process for 4HB-containing polyhydroxyalkanoates using transgenic organisms, including both bacteria and plants. The new pathways provide means for producing 4HB containing PHAs from cheap carbon sources such as sugars and fatty acids, in high yields, which are stable. Useful strains are obtaining by screening strains having integrated into their genomes a gene encoding a 4HB-CoA transferase and/or PHA synthase, for polymer production. Processes for polymer production use recombinant systems that can utilize cheap substrates. Systems are provided which can utilize amino acid degradation pathways, α-ketoglutarate, or succinate as substrate.

    摘要翻译: 已经从细菌中分离出编码4-羟基丁酰辅酶A转移酶的基因,并整合到也表达聚羟基链烷酸酯合成酶的细菌的基因组中,以产生使用包括细菌和植物在内的转基因生物体的含4HB的聚羟基链烷酸酯的改进的生产方法。 新途径提供了从低廉的碳源(如糖和脂肪酸)生产含有PHB的4HB的方法,其产率高,稳定。 有用的菌株是通过筛选在其基因组中整合了编码4HB-CoA转移酶和/或PHA合成酶的基因的聚合物生产获得的菌株。 用于聚合物生产的方法使用可以利用廉价底物的重组体系。 提供可以利用氨基酸降解途径的系统,α-酮戊二酸或琥珀酸作为底物。