摘要:
The invention relates to a process for the preparation of L-amino acids. The process involves fermenting an L-amino acid producing coryneform bacteria in a culture medium, concentrating L-amino acid in the culture medium or in the cells of the bacteria, and isolating the L-amino acid produced. The bacteria has an amplified gene encoding the Zwischenferment protein.
摘要:
The present invention relates to polynucleotides that encode proteins having OpcA enzymatic activity. These polynucleotides can be used for increasing lysine biosynthesis in Coryneform glutamicum.
摘要:
The invention relates to a process for the preparation of L-amino acids. The process involves fermenting an L-amino acid producing coryneform bacteria in a culture medium, concentrating L-amino acid in the culture medium or in the cells of the bacteria, and isolating the L-amino acid produced. The bacteria has an amplified gene encoding the Zwischenferment protein.
摘要:
The invention relates to isolated polynucleotides comprising a polynucleotide sequence chosen from the group consisting of a) polynucleotide which is identical to the extent of at least 70% to a polynucleotide which codes for a polypeptide which comprises the amino acid sequence of SEQ ID No. 2, b) polynucleotide which codes for a polypeptide which comprises an amino acid sequence which is identical to the extent of at least 70% to the amino acid sequence of SEQ ID No. 2, c) polynucleotide which is complementary to the polynucleotides of a) or b), and d) polynucleotide comprising at least 15 successive nucleotides of the polynucleotide sequence of a), b) or c), and a process for the fermentative preparation of L-amino acids using coryneform bacteria in which at least the citA gene is present in attenuated form, and the use of polynucleotides which comprise the sequences according to the invention as hybridization probes.
摘要翻译:本发明涉及分离的多核苷酸,其包含多核苷酸序列,所述多核苷酸序列选自a)多核苷酸,其与编码包含SEQ ID No.2的氨基酸序列的多肽的多核苷酸的程度相同至少70% b)编码多肽的多核苷酸,其包含与SEQ ID No.2的氨基酸序列至少70%相同的氨基酸序列,c)与a)的多核苷酸互补的多核苷酸, 或b),和d)包含a),b)或c)的多核苷酸序列的至少15个连续核苷酸的多核苷酸,以及使用棒状细菌发酵制备L-氨基酸的方法,其中至少有citA基因 以减毒形式存在,并且使用包含根据本发明的序列的多核苷酸作为杂交探针。
摘要:
The present invention relates to an isolated polynucleotide from Corynebacterium glutamicum comprising a polynucleotide sequence chosen from the group consisting of (a) a polynucleotide which is identical to the extent of at least 70% to a polynucleotide which codes for a polypeptide which comprises the amino acid sequence of SEQ ID NO: 2; (b) a polynucleotide which codes for a polypeptide which comprises an amino acid sequence which is identical to the extent of at least 70% to the amino acid sequence of SEQ ID NO: 2; (c) a polynucleotide which is complementary to the polynucleotides of (a) or (b); and (d) a polynucleotide comprising at least 15 successive nucleotides of the polynucleotide sequence of (a), (b), or (c), and a process for the fermentative preparation of L-amino acids using coryneform bacteria in which at least the sigE gene is present in enhanced form, and the use of polynucleotides which comprise the sequence according to the invention as hybridization probes.
摘要翻译:本发明涉及来自谷氨酸棒杆菌的分离的多核苷酸,其包含多核苷酸序列,所述多核苷酸序列选自(a)与编码包含氨基酸的多肽的多核苷酸的至少70%的程度相同的多核苷酸 SEQ ID NO:2的序列; (b)编码多肽的多核苷酸,其包含与SEQ ID NO:2的氨基酸序列至少70%的程度相同的氨基酸序列; (c)与(a)或(b)的多核苷酸互补的多核苷酸; 和(d)包含(a),(b)或(c)的多核苷酸序列的至少15个连续核苷酸的多核苷酸,以及使用棒状细菌发酵制备L-氨基酸的方法,其中至少 sigE基因以增强形式存在,并且使用包含根据本发明的序列的多核苷酸作为杂交探针。
摘要:
The invention relates to an isolated polynucleotide containing a polynucleotide sequence selected from the group comprising a) polynucleotide which is at least 70% identical to a polynucleotide which codes for a polypeptide containing the amino acid sequence of SEQ ID no. 2, b) polynucleotide which codes for a polypeptide containing an amino acid sequence which is at least 70% identical to the amino acid sequence of SEQ ID no.2, c) polynucleotide which is complementary to the polynucleotides of a) or b), and d) polynucleotide containing at least 15 successive nucleotides of the polynucleotide sequence of a), b) or c), and a process for the fermentative production of L-amino acids with enhancement of the ptsH gene coding for component H of the phosphotransferase system, and the use of the above polynucleotides as primer or hybridisation probe.
摘要翻译:本发明涉及含有多核苷酸序列的分离的多核苷酸,所述多核苷酸序列选自包含a)多核苷酸的多核苷酸,所述多核苷酸与编码含有SEQ ID NO:1的氨基酸序列的多肽的多核苷酸具有至少70%的同一性。 2,b)编码含有与SEQ ID No.2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,c)与a)或b)的多核苷酸互补的多核苷酸, 和d)多核苷酸,其包含a),b)或c)的多核苷酸序列的至少15个连续核苷酸,以及用于增强编码磷酸转移酶系统的组分H的ptsH基因的L-氨基酸的发酵生产的方法, 以及使用上述多核苷酸作为引物或杂交探针。
摘要:
The present invention is directed to nucleotide sequences coding for phosphofructokinase which have been Corynebacterium glutamicum, and a process for the production of an L-amino acid comprising culturing a coryneform bacteria comprising an overexpressed pfk gene, wherein said pfk gene comprises a polynucleotide having a nucleotide sequence which is at least 90% identical to the nucleotide of SEQ ID NO: 1 encoding a polypeptide having the enzymatic activity of a phosphofructokinase, accumulating said L-amino acid in the medium or in the cells of said bacterium, and isolated said L-amino acid.
摘要翻译:本发明涉及编码已经是谷氨酸棒杆菌的磷酸果糖激酶的核苷酸序列,以及L-氨基酸的生产方法,包括培养包含过表达的pfk基因的棒状细菌,其中所述pfk基因包含具有核苷酸的多核苷酸 序列,其与编码具有磷酸果糖激酶的酶活性的多肽的SEQ ID NO:1的核苷酸至少90%相同,在培养基中或所述细菌的细胞中积累所述L-氨基酸, 氨基酸。
摘要:
The invention relates to an isolated polynucleotide having a polynucleotide sequence which codes for the cstA gene, and a host-vector system having a coryneform host bacterium in which the cstA gene is present in attenuated form and a vector which carries at least the cstA gene according to SEQ ID No 1, and the use of polynucleotides which comprise the sequences according to the invention as hybridization probes.
摘要翻译:本发明涉及具有编码cstA基因的多核苷酸序列的分离的多核苷酸,以及具有cstA基因以减毒形式存在的棒状细胞宿主细菌的宿主载体系和至少携带cstA基因的载体 至SEQ ID No 1,以及使用包含根据本发明的序列的多核苷酸作为杂交探针。
摘要:
The invention relates to an isolated polynucleotide containing a polynucleotide sequence selected from the group comprising a) polynucleotide which is at least 70% identical to a polynucleotide which codes for a polypeptide containing the amino acid sequence of SEQ ID no. 2, b) polynucleotide which codes for a polypeptide containing an amino acid sequence which is at least 70% identical to the amino acid sequence of SEQ ID no.2, c) polynucleotide which is complementary to the polynucleotides of a) or b), and d) polynucleotide containing at least 15 successive nucleotides of the polynucleotide sequence of a), b) or c), and a process for the fermentative production of L-amino acids with enhancement of the ptsH gene coding for component H of the phosphotransferase system, and the use of the above polynucleotides as primer or hybridisation probe.
摘要翻译:本发明涉及含有多核苷酸序列的分离的多核苷酸序列,所述多核苷酸序列选自以下组:a)多核苷酸,其与编码含有SEQ ID NO:1的氨基酸序列的多肽的多核苷酸具有至少70%的相同性。 2,b)编码含有与SEQ ID No.2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,c)与a)或b)的多核苷酸互补的多核苷酸, 和d)包含a),b)或c)的多核苷酸序列的至少15个连续核苷酸的多核苷酸,以及用于增加编码磷酸转移酶系统的组分H的ptsH基因的L-氨基酸的发酵生产的方法 ,以及使用上述多核苷酸作为引物或杂交探针。
摘要:
The invention related to an isolated nucleic acid consisting of a fragment of the polynucleotide of Corynebacterium glutamicum citA gene or a fragment of the full complement of the polynucleotide of the C. glutamicum citA gene wherein said fragment is at least 30 consecutive nucleotide in length, and the vector and host cell harboring these nucleic acids.