Abstract:
The invention relates to the use of nucleic acid sequences for regulating gene transcription and expression, said novel promoters and expression units, methods for modifying or inducing the gene transcription rate and/or expression rate, expression cassettes containing said expression units, genetically modified microorganisms having a modified or induced transcription rate and/or expression rate, and methods for producing biosynthetic products by cultivating said genetically modified microorganisms.
Abstract:
The present invention features methods of increasing the production of a fine chemical, e.g., lysine from a microorganism, e.g., Corynebacterium by way of deregulating an enzyme encoding gene, i.e., fructose- l,6-bisphosphatase. In a preferred embodiment, the invention provides methods of increasing the production of lysine in Corynebacterium glutamicum by way of increasing the expression of fructose-1,6-bisphosphatase activity. The invention also provides a novel process for the production of lysine by way of regulating carbon flux towards oxaloacetate (OAA). In a preferred embodiment, the invention provides methods for the production of lysine by way of utilizing fructose or sucrose as a carbon source.
Abstract:
The invention relates to methods for the zymotic production of fine chemicals, especially L-methionine, containing sulphur using bacteria, wherein a nucleotide sequence coding for a methionine-synthase (methA)-gene is expressed.
Abstract:
The invention concerns novel nucleic acid molecules, the use of said molecules for producing by recombination genetically improved micro-organisms, and a method for preparing fine chemical products, in particular amino acids, using said genetically improved micro-organisms.
Abstract:
The invention relates to a novel method of modifying the genome of gram-positive bacteria, to said bacteria and to novel vectors. The invention especially relates to a method of modifying Corynebacteria or Brevibacteria using a novel marker gene that has a conditionally negative dominant effect.
Abstract:
Isolated nucleic acid molecules, designated SMP nucleic acid molecules, which encode novel SMP proteins from Corynebacterium glutamicum are described. The invention also provides antisense nucleic acid molecules, recombinant expression vectors containing SMP nucleic acid molecules, and host cells into which the expression vectors have been introduced. The invention still further provides isolated SMP proteins, mutated SMP proteins, fusion proteins, antigenic peptides and methods for the improvement of production of a desired compound from C. glutamicum based on genetic engineering of SMP genes in this organism.
Abstract:
The invention relates to the use of nucleic acid sequences for regulating gene transcription and expression, said novel promoters and expression units, methods for modifying or inducing the transcription rate and/or expression rate of genes, expression cassettes containing said expression units, genetically modified microorganisms with a modified or induced transcription rate and/or expression rate, and methods for producing biosynthetic products by cultivating the genetically modified microorganisms.
Abstract:
The present invention features methods of increasing the production of a fine chemical, e.g., lysine from a microorganism, e.g., Corynebacterium by way of deregulating an enzyme encoding gene, i.e., lactate dehydrogenase. In a preferred embodiment, the invention provides methods of increasing the production of lysine in Corynebacterium glutamicum by way of the expression of lactate dehydrogenase activity. The invention also provides a novel process for the production of lysine by way of regulating carbon flux towards oxaloacetate (OAA). In a preferred embodiment, the invention provides methods for the production of lysine by way of utilizing fructose or sucrose as a carbon source.
Abstract:
The invention relates to mutant nucleic acids and proteins from the metabolic pathway of fine chemicals, methods for the production of genetically modified production organisms, methods for the production of fine chemicals by cultivating said genetically modified organisms, and said genetically modified organisms.
Abstract:
The invention relates to methods for the production of sulphur-containing fine chemicals by fermentation, in particular L-methionine, using bacteria in which a nucleotide sequence is expressed which codes for an S-adenosylmethionine synthase (metK) gene.