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    • 6. 发明授权
    • Nucleotide sequences encoding the sucC and sucD genes
    • 编码sucC和sucD基因的核苷酸序列
    • US06623946B1
    • 2003-09-23
    • US09728498
    • 2000-11-27
    • Bettina MöckelWalter PfefferleAchim Marx
    • Bettina MöckelWalter PfefferleAchim Marx
    • C12N916
    • C12N9/93C12P13/04C12P13/14
    • Polynucleotides that contain polynucleotide sequences encoding the sucC and sucD genes, selected from the group a) a polynucleotide that is at least 70% identical to a polynucleotide encoding a polypeptide that contains the amino acid sequence of SEQ ID NO:2, b) a polynucleotide that is at least 70% identical to a polynucleotide encoding a polypeptide that contains the amino acid sequence of SEQ ID NO:3, c) a polynucleotide encoding a polypeptide that contains an amino acid sequence that is at least 70% identical to the amino acid sequence of SEQ ID NO:2, d) a polynucleotide encoding a polypeptide that contains an amino acid sequence that is at least 70% identical to the amino acid sequence of SEQ ID NO:3, e) a polynucleotide that is complementary to one of the polynucleotides of a), b), c) or d), and f) a polynucleotide containing at least 15 successive nucleotides of the polynucleotide sequence of a), b), c), d) or e), a process for the fermentative production of L-amino acids using coryneform bacteria in which the genes are present in attenuated form, and the use of the polynucleotide sequences as hybridization probes.
    • 含有编码sucC和sucD基因的多核苷酸序列的多核苷酸,选自组a)与编码含有SEQ ID NO:2的氨基酸序列的多肽的多核苷酸至少70%同一性的多核苷酸,b)多核苷酸 与编码含有SEQ ID NO:3的氨基酸序列的多肽的多核苷酸至少70%相同,c)编码包含与氨基酸序列至少70%相同的氨基酸序列的多肽的多核苷酸 SEQ ID NO:2的d氨基酸序列,d)编码含有与SEQ ID NO:3的氨基酸序列至少70%相同的氨基酸序列的多肽的多核苷酸,e)与 a),b),c)或d)的多核苷酸,和f)包含a),b),c),d)或e)的多核苷酸序列的至少15个连续核苷酸的多核苷酸,发酵生产的方法 的L-氨基酸 其中基因以减毒形式存在的干细胞,以及多核苷酸序列用作杂交探针。
    • 10. 发明授权
    • Recombinant DNase B derived from Streptococcus pyogenes
    • 衍生自化脓性链球菌的重组DNA酶B
    • US06420152B1
    • 2002-07-16
    • US08393889
    • 1995-02-24
    • Craig W AdamsPatty P. Y. PangC. Marina Belei
    • Craig W AdamsPatty P. Y. PangC. Marina Belei
    • C12N916
    • C07K16/40C12N9/22C12Q1/44G01N2333/922
    • The gene for Streptococcus pyogenes DNase B has been cloned and vectors incorporating the cloned DNA have been used to transform Escherichia coli, allowing efficient and rapid production of the DNase in E. coli without the necessity of growing large quantities of S. pyogenes. The enzyme can be produced with a leader peptide at its amino terminus. An improved method for the purification of naturally occurring S. pyogenes DNase B enzyme is also provided. The DNase B enzyme produced, either by purification of naturally occurring enzyme or by recombinant DNA techniques, can be used to generate antibodies and can also be used in immunochemical assays to detect the presence of anti-DNase B antibodies in serum as a marker of infection by S. pyogenes.
    • 已经克隆了化脓性链球菌DNase B的基因,并且已经使用掺入克隆DNA的载体来转化大肠杆菌,从而能够在大肠杆菌中高效快速地生产DNA酶,而不需要生长大量的化脓性链球菌。 该酶可以在其氨基末端用前导肽产生。 还提供了用于纯化天然存在的化脓性链球菌DNA酶B酶的改进方法。 通过纯化天然存在的酶或通过重组DNA技术产生的DNA酶B酶可用于产生抗体,也可用于免疫化学测定以检测血清中抗DNase B抗体作为感染标志物的存在 化脓性链球菌。