Abstract:
PROBLEM TO BE SOLVED: To provide the use of nucleic acid sequences for regulating gene transcription and expression, a novel promoter and an expression unit itself, a method for modifying or inducing the gene transcription rate and/or expression rate, an expression cassette containing the expression unit, genetically modified microorganism having a modified or induced transcription rate and/or expression rate, and a method for producing biosynthetic products by culturing the genetically modified microorganism. SOLUTION: The use of a nucleic acid having promotor activity containing (A) a specific nucleic acid sequence for transcribing the gene, (B) a sequence having at least 90% homology and derived by substitution, insertion or deletion of nucleotides from the (A) sequence, (C) a nucleic acid sequence hybridizing under stringent conditions with the (A) sequence or (D) a functionally equivalent fragment of the sequence (A), (B) or (C) is provided. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a method for preparation of biosynthetic products by developing the production methods for fine chemicals or protein or by increasing or improving the productivity of existing production methods for fine chemicals or proteins. SOLUTION: There is provided multipromoters and expression units, the use thereof for controlling transcription and expression of genes, the expression cassette including these kinds of multipromoters or the expression units, the vector including such expression cassettes, the genetically altered microorganism including such kinds of vectors and/or expression units, and methods for preparing biosynthetic products by culturing the genetically altered microorganism. COPYRIGHT: (C)2008,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a nucleic acid sequence regulating the gene transcription and expression, to provide a new promoter and expression unit, to provide a method for altering or inducing the gene transcription rate and/or expression rate, to provide an expression cassette comprising the expression unit, to provide a genetically modified microorganism having the altered or the induced transcription rate and/or expression rate, and to provide a method for producing a biosynthetic product by culturing the genetically modified microorganism. SOLUTION: There are provided a nucleic acid sequence composed of a specific sequence and having a promoter activity, the expression unit comprising the nucleic acid, an expression vector comprising the expression unit and the method for preparing the biosynthetic product, particularly lysine by culturing the microorganism genetically modified with the nucleic acid having the promotor activity. COPYRIGHT: (C)2008,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide the use of nucleic acid sequence for controlling the transcription and expression of genes, a new promoter and expression unit, a method for altering or arising the transcription speed and/or an expression speed of genes, the expression cassette including the expression unit, genetically altered microorganism having the altered or arisen transcription speed and/or expression speed, and a method for producing biosynthetic products by culturing the genetically altered microorganism. SOLUTION: There is provided a nucleic acid that has a specific sequence and a promoter activity, an expression unit including the nucleic acid, an expression cassette, an expression vector, a genetically altered microorganism, and a method for production of threonine by culturing the microorganism. COPYRIGHT: (C)2008,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide the use of a nucleic acid sequence for controlling the transcription and expression of a gene, to provide a new promoter and expression unit itself, to provide a method for modifying or inducing the transcription rate and/or the expression rate of the gene, to provide an expression cassette comprising the expression unit, to provide a genetically modified microorganism having the modified or induced transcription rate and/or expression rate and to provide a method for producing a biosynthetic product by culturing the genetically modified microorganism. SOLUTION: There is provided the use of (A) a specific nucleic acid sequence, (B) a sequence induced from the specific nucleic acid sequence by substitution, insertion or deletion of a nucleotide and having at least 90% homogeneity to the sequence at the nucleic acid level, (C) a nucleic acid sequence hybridizing to the nucleic acid sequence under stringent conditions or (D) a nucleic acid comprising a fragment functionally equivalent to the sequence (A), (B) or (C) and having a promoter activity. COPYRIGHT: (C)2008,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a method of producing cadaverine.SOLUTION: A method of producing cadaverine comprises: constructing a recombinant microorganism having a deregulated lysine decarboxylase gene and at least one deregulated gene selected from a group (i) of aspartokinase and other specific enzymes provided that at least one second gene (i) other than the aspartokinase is deregulated when the aspartokinase is deregulated as the gene (i); and culturing the microorganism.
Abstract:
PROBLEM TO BE SOLVED: To provide a method for accumulating and producing fine chemical materials (e.g., lysine) in a medium of an microorganism or the microorganism by increasing metabolic inflow through pentose phosphate route in the microorganism. SOLUTION: A method for increasing generation of fine chemical materials such as lysine from a microorganism, e.g., a corynebacterium by deregulating a ferment-encoding gene, i.e., fructose-1,6-bisphosphatase, is provided. Further, a new method for producing lysine by regulating carbon inflow directing to oxaloacetic acid (OAA), is also provided. In one a preferable embodiment, a method for producing lysine by using fructose or sucrose as the carbon source is provided. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide methods for producing an amino acid, preferably of the group consisting of lysine, threonine, methionine, glutamate. SOLUTION: The invention relates to the method for producing the amino acid comprising culturing a microorganism of the genus Corynebacterium or Brevibacterium wherein the microorganism is partially or completely deficient in at least one of the gene loci of the group which is formed by otsAB, treZ and treS, and subsequent isolation of the amino acid from the culture medium. COPYRIGHT: (C)2008,JPO&INPIT
Abstract:
"métodos de modulação da produção de um composto contendo enxofre por um microorganismo e de produção de metionina, cassete de expressão transgênico, vetor, e, célula hospedeira transgênica". moléculas de ácido nucleico, chamadas de moléculas de ácido nucleico mr, que codificam novas proteínas mr de corynebacterium glutamicum são descritas as quais estão envolvidas na biossíntese de um composto químico fino, por exemplo na biossintese de metionina. a invenção também proporciona moléculas de ácido nucleico de anti-senso, vetores e cassetes de expressão transgênicos contendo moléculas de ácido nucleico mr e células hospedeiras para dentro das quais os vetores ou cassetes de expressão têm sido introduzidos. a invenção ainda adicionalmente proporciona métodos de produção de metionina a partir de microorganismos, por exemplo c. glutamicum, que envolve a cultura de microorganismos recombinantes que superexpressam ou subexpressam pelo menos uma molécula mr da invenção sob condições tais que metionina é produzida. também são apresentados métodos de produção de um composto químico fino, por exemplo metionina, que envolve a cultura de microorganismos recombinantes possuindo genes mr selecionados deletados ou mutados sob condições tais que o composto químico fino, por exemplo metionina, é produzido.