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    • 3. 发明申请
    • Methods for producing hyaluronan in a recombinant host cell
    • 在重组宿主细胞中产生透明质酸的方法
    • US20110014662A1
    • 2011-01-20
    • US12891548
    • 2010-09-27
    • Alan SlomaLeslie NaggiarRegine BehrWilliam WidnerMaria TangDavid SternbergLinda SternbergStephen Brown
    • Alan SlomaLeslie NaggiarRegine BehrWilliam WidnerMaria TangDavid SternbergLinda SternbergStephen Brown
    • C12P19/04
    • C12P19/26C12N9/1051C12N15/52
    • The present invention relates to methods for producing a hyaluronic acid, comprising: (a) cultivating a Bacillus host cell under conditions suitable for production of the hyaluronic acid, wherein the Bacillus host cell comprises a nucleic acid construct comprising a hyaluronan synthase encoding sequence operably linked to a promoter sequence foreign to the hyaluronan synthase encoding sequence; and (b) recovering the hyaluronic acid from the cultivation medium. The present invention also relates to an isolated nucleic acid sequence encoding a hyaluronan synthase operon comprising a hyaluronan synthase gene and a UDP-glucose 6-dehydrogenase gene, and optionally one or more genes selected from the group consisting of a UDP-glucose pyrophosphorylase gene, UDP-N-acetylglucosamine pyrophosphorylase gene, and glucose-6-phosphate isomerase gene. The present invention also relates to isolated nucleic acid sequences encoding a UDP-glucose 6-dehydrogenase, UDP-glucose pyrophosphorylase, and UDP-N-acetylglucosamine pyrophosphorylase
    • 本发明涉及透明质酸的制备方法,其包括:(a)在适于产生透明质酸的条件下培养芽孢杆菌属宿主细胞,其中所述芽孢杆菌宿主细胞包含可操作地连接的透明质酸合酶编码序列的核酸构建体 涉及透明质酸合酶编码序列外源的启动子序列; 和(b)从培养基中回收透明质酸。 本发明还涉及编码包含透明质酸合酶基因和UDP-葡萄糖-6-脱氢酶基因的透明质酸合酶操纵子的分离的核酸序列,以及任选的一种或多种选自UDP-葡萄糖焦磷酸化酶基因, UDP-N-乙酰葡糖胺焦磷酸化酶基因和葡萄糖-6-磷酸异构酶基因。 本发明还涉及编码UDP-葡萄糖-6-脱氢酶,UDP-葡萄糖焦磷酸化酶和UDP-N-乙酰葡糖胺焦磷酸化酶的分离的核酸序列
    • 4. 发明授权
    • Methods for producing hyaluronan in a recombinant host cell
    • 在重组宿主细胞中产生透明质酸的方法
    • US07811806B2
    • 2010-10-12
    • US10326185
    • 2002-12-20
    • Alan SlomaRegine BehrWilliam WidnerMaria TangDavid SternbergStephen Brown
    • Alan SlomaRegine BehrWilliam WidnerMaria TangDavid SternbergStephen Brown
    • C12N1/20C12N15/74C12N15/00C12P21/06C12P19/04C12P19/26
    • C12P19/26C12N9/1051C12N15/52
    • The present invention relates to methods for producing a hyaluronic acid, comprising: (a) cultivating a Bacillus host cell under conditions suitable for production of the hyaluronic acid, wherein the Bacillus host cell comprises a nucleic acid construct comprising a hyaluronan synthase encoding sequence operably linked to a promoter sequence foreign to the hyaluronan synthase encoding sequence; and (b) recovering the hyaluronic acid from the cultivation medium. The present invention also relates to an isolated nucleic acid sequence encoding a hyaluronan synthase operon comprising a hyaluronan synthase gene and a UDP-glucose 6-dehydrogenase gene, and optionally one or more genes selected from the group consisting of a UDP-glucose pyrophosphorylase gene, UDP-N-acetylglucosamine pyrophosphorylase gene, and glucose-6-phosphate isomerase gene. The present invention also relates to isolated nucleic acid sequences encoding a UDP-glucose 6-dehydrogenase, UDP-glucose pyrophosphorylase, and UDP-N-acetylglucosamine pyrophosphorylase.
    • 本发明涉及透明质酸的制备方法,其包括:(a)在适于产生透明质酸的条件下培养芽孢杆菌属宿主细胞,其中所述芽孢杆菌宿主细胞包含可操作地连接的透明质酸合酶编码序列的核酸构建体 涉及透明质酸合酶编码序列外源的启动子序列; 和(b)从培养基中回收透明质酸。 本发明还涉及编码包含透明质酸合酶基因和UDP-葡萄糖-6-脱氢酶基因的透明质酸合酶操纵子的分离的核酸序列,以及任选地一种或多种选自UDP-葡萄糖焦磷酸化酶基因, UDP-N-乙酰葡糖胺焦磷酸化酶基因和葡萄糖-6-磷酸异构酶基因。 本发明还涉及编码UDP-葡萄糖-6-脱氢酶,UDP-葡萄糖焦磷酸化酶和UDP-N-乙酰葡糖胺焦磷酸化酶的分离的核酸序列。
    • 6. 发明申请
    • Methods for producing hyaluronan in a recombinant host cell
    • 在重组宿主细胞中产生透明质酸的方法
    • US20120149067A1
    • 2012-06-14
    • US13401663
    • 2012-02-21
    • Alan SlomaLeslie NaggiarRegine BehrWilliam WidnerMaria TangDavid SternbergLinda SternbergStephen Brown
    • Alan SlomaLeslie NaggiarRegine BehrWilliam WidnerMaria TangDavid SternbergLinda SternbergStephen Brown
    • C12P19/28
    • C12P19/26C12N9/1051C12N15/52
    • The present invention relates to methods for producing a hyaluronic acid, comprising: (a) cultivating a Bacillus host cell under conditions suitable for production of the hyaluronic acid, wherein the Bacillus host cell comprises a nucleic acid construct comprising a hyaluronan synthase encoding sequence operably linked to a promoter sequence foreign to the hyaluronan synthase encoding sequence; and (b) recovering the hyaluronic acid from the cultivation medium. The present invention also relates to an isolated nucleic acid sequence encoding a hyaluronan synthase operon comprising a hyaluronan synthase gene and a UDP-glucose 6-dehydrogenase gene, and optionally one or more genes selected from the group consisting of a UDP-glucose pyrophosphorylase gene, UDP-N-acetylglucosamine pyrophosphorylase gene, and glucose-6-phosphate isomerase gene. The present invention also relates to isolated nucleic acid sequences encoding a UDP-glucose 6-dehydrogenase, UDP-glucose pyrophosphorylase, and UDP-N-acetylglucosamine pyrophosphorylase
    • 本发明涉及透明质酸的制备方法,其包括:(a)在适于产生透明质酸的条件下培养芽孢杆菌属宿主细胞,其中所述芽孢杆菌宿主细胞包含可操作地连接的透明质酸合酶编码序列的核酸构建体 涉及透明质酸合酶编码序列外源的启动子序列; 和(b)从培养基中回收透明质酸。 本发明还涉及编码包含透明质酸合酶基因和UDP-葡萄糖-6-脱氢酶基因的透明质酸合酶操纵子的分离的核酸序列,以及任选地一种或多种选自UDP-葡萄糖焦磷酸化酶基因, UDP-N-乙酰葡糖胺焦磷酸化酶基因和葡萄糖-6-磷酸异构酶基因。 本发明还涉及编码UDP-葡萄糖-6-脱氢酶,UDP-葡萄糖焦磷酸化酶和UDP-N-乙酰葡糖胺焦磷酸化酶的分离的核酸序列
    • 7. 发明授权
    • Methods for producing hyaluronan in a recombinant host cell
    • 在重组宿主细胞中产生透明质酸的方法
    • US08574886B2
    • 2013-11-05
    • US13401663
    • 2012-02-21
    • Regine BehrWilliam WidnerMaria TangStephen BrownLeslie NaggiarLinda Sternberg
    • Alan SlomaRegine BehrWilliam WidnerMaria TangDavid SternbergStephen Brown
    • C12N1/20C12N15/74C12N15/00C12P19/04C12P19/26C12P19/28C12P1/00C12P21/06C07H21/04
    • C12P19/26C12N9/1051C12N15/52
    • The present invention relates to methods for producing a hyaluronic acid, comprising: (a) cultivating a Bacillus host cell under conditions suitable for production of the hyaluronic acid, wherein the Bacillus host cell comprises a nucleic acid construct comprising a hyaluronan synthase encoding sequence operably linked to a promoter sequence foreign to the hyaluronan synthase encoding sequence; and (b) recovering the hyaluronic acid from the cultivation medium. The present invention also relates to an isolated nucleic acid sequence encoding a hyaluronan synthase operon comprising a hyaluronan synthase gene and a UDP-glucose 6-dehydrogenase gene, and optionally one or more genes selected from the group consisting of a UDP-glucose pyrophosphorylase gene, UDP-N-acetylglucosamine pyrophosphorylase gene, and glucose-6-phosphate isomerase gene. The present invention also relates to isolated nucleic acid sequences encoding a UDP-glucose 6-dehydrogenase, UDP-glucose pyrophosphorylase, and UDP-N-acetylglucosamine pyrophosphorylase.
    • 本发明涉及透明质酸的制备方法,其包括:(a)在适于产生透明质酸的条件下培养芽孢杆菌属宿主细胞,其中所述芽孢杆菌宿主细胞包含可操作地连接的透明质酸合酶编码序列的核酸构建体 涉及透明质酸合酶编码序列外源的启动子序列; 和(b)从培养基中回收透明质酸。 本发明还涉及编码包含透明质酸合酶基因和UDP-葡萄糖-6-脱氢酶基因的透明质酸合酶操纵子的分离的核酸序列,以及任选地一种或多种选自UDP-葡萄糖焦磷酸化酶基因, UDP-N-乙酰葡糖胺焦磷酸化酶基因和葡萄糖-6-磷酸异构酶基因。 本发明还涉及编码UDP-葡萄糖-6-脱氢酶,UDP-葡萄糖焦磷酸化酶和UDP-N-乙酰葡糖胺焦磷酸化酶的分离的核酸序列。
    • 8. 发明授权
    • Methods for producing polypeptides in mutants of bacillus cells
    • 在芽孢杆菌细胞突变体中产生多肽的方法
    • US5958728A
    • 1999-09-28
    • US972661
    • 1997-11-18
    • Alan SlomaDavid SternbergLee F. AdamsStephen Brown
    • Alan SlomaDavid SternbergLee F. AdamsStephen Brown
    • C12N1/21C12N15/75C12P21/00
    • C12N15/75
    • The present invention relates to methods of producing a polypeptide, comprising: (a) cultivating a mutant of a Bacillus cell, wherein the mutant (i) comprises a first nucleic acid sequence encoding the polypeptide and a second nucleic acid sequence comprising a modification of at least one of the genes responsible for the biosynthesis or secretion of a surfactin or isoform thereof under conditions conducive for the production of the polypeptide and (ii) the mutant produces less of the surfactin or isoform thereof than the Bacillus cell when cultured under the same conditions; and (b) isolating the polypeptide from the cultivation medium. The present invention also relates to mutants of Bacillus cells and methods for producing the mutants.
    • 本发明涉及产生多肽的方法,包括:(a)培养芽孢杆菌细胞的突变体,其中所述突变体(i)包含编码所述多肽的第一核酸序列和第二核酸序列,所述第二核酸序列包含 在有利于产生多肽的条件下,负责生物合成或分泌表面活化素或其同种型的基因中的至少一个和(ii)当在相同条件下培养时,突变体产生比芽孢杆菌细胞更少的表面活性素或同种型 ; 和(b)从培养基中分离多肽。 本发明还涉及芽孢杆菌细胞的突变体和产生突变体的方法。