摘要:
The invention relates to mutants and alleles of the opcA gene of coryneform bacteria, which encode variants of the OpcA subunit of glucose 6-phosphate dehydrogenase (EC: 1.1.1.49), and to processes for preparing amino acids, in particular L-lysine and L-tryptophan, by using bacteria which harbor said alleles.
摘要:
Disclosed herein is an isolated polynucleotide 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) and b) and d) polynucleotide comprising at least 15 successive nucleotides of the polynucleotide sequence of a), b) or c), and processes for the fermentative preparation of L-amino acid with amplification of the zwa1 gene in the coryneform bacteria employed.
摘要翻译:本文公开了一种分离的多核苷酸,其包含选自以下的多核苷酸序列:a)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的多核苷酸 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%相同程度的氨基酸序列c)与a)和 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,以及在所用棒状细菌中扩增zwa1基因的L-氨基酸的发酵制剂的方法。
摘要:
The invention relates to coryneform bacteria which have, in addition to at least one copy, present at the natural site (locus), of an open reading frame (ORF), gene or allele which codes for the synthesis of a protein or an RNA, in each case a second, optionally third or fourth copy of this open reading frame (ORF), gene or allele at in each case a second, optionally third or fourth site in a form integrated into the chromosome and processes for the preparation of chemical compounds by fermentation of these bacteria.
摘要:
The invention relates to coryneform bacteria which have, in addition to at least one copy, present at the natural site (locus), of an open reading frame (ORF), gene or allele which codes for the synthesis of a protein or an RNA, in each case a second, optionally third or fourth copy of this open reading frame (ORF), gene or allele at in each case a second, optionally third or fourth site in a form integrated into the chromosome and processes for the preparation of chemical compounds by fermentation of these bacteria.
摘要:
The present invention relates to an isolated polynucleotide coding for the lrp gene and to a process for the fermentative production of L-amino acids by altering the expression of this gene.
摘要:
The present invention is directed to nucleotide sequences coding for a bacterial enolase enzyme. These sequences may be used in improved methods for the fermentative preparation of amino acids using coryneform bacteria.
摘要:
An isolated polynucleotide which contains a polynucleotide sequence selected from the group comprising: (a) a polynucleotide which is at least 70% identical to a polynucleotide coding for a polypeptide containing the amino acid sequence of SEQ ID No. 2, (b) a polynucleotide coding 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) a polynucleotide which is complementary to the polynucleotides of (a) or (b), and (d) a polynucleotide containing at least 15 consecutive nucleotides of the polynucleotide sequence of (a), (b), or (c), and a fermentation process for the preparation of L-amino acids using corynebacteria in which at least the pknD gene is amplified, and to the use, as hybridization probes, of polynucleotides containing the sequences according to the invention.
摘要翻译:一种分离的多核苷酸,其含有选自以下的多核苷酸序列:(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%的多核苷酸,(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,(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,以及使用棒状杆菌制备L-氨基酸的发酵方法,其中至少pknD基因是 扩增和使用含有本发明序列的多核苷酸作为杂交探针。
摘要:
An isolated polynucleotide containing a polynucleotide sequence selected from the group 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 which contains 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 bases of the polynucleotide sequence of a), b) or c), and a process for the fermentative production of L-amino acids by attenuation of the poxB gene.
摘要翻译:一种分离的多核苷酸,其含有多核苷酸序列,所述多核苷酸序列选自a)多核苷酸,其与编码含有SEQ ID NO:1的氨基酸序列的多肽的多核苷酸至少70%相同。 2,b)编码多肽的多核苷酸,其含有与SEQ ID No:1的氨基酸序列至少70%相同的氨基酸序列。 2)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)多核苷酸序列的至少15个连续碱基的多核苷酸,以及发酵生产L - 氨基酸通过减少poxB基因。
摘要:
An isolated polynucleotide which contains a polynucleotide sequence selected from the group comprising: (a) a polynucleotide which is at least 70% identical to a polynucleotide coding for a polypeptide containing the amino acid sequence of SEQ ID No. 2, (b) a polynucleotide coding 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) a polynucleotide which is complementary to the polynucleotides of (a) or (b), and (d) a polynucleotide containing at least 15 consecutive nucleotides of the polynucleotide sequence of (a), (b), or (c), and a fermentation process for the preparation of L-amino acids using corynebacteria in which at least the pknD gene is amplified, and to the use, as hybridization probes, of polynucleotides containing the sequences according to the invention.
摘要:
The present invention provides nucleotide sequences from Coryneform bacteria which code for the MtrA and/or MtrB proteins and processes for the fermentative preparation of amino acids using bacteria in which the mtrA and/or mtrB genes are attenuated.