Abstract: A process for the fermentative preparation of an L-amino acid which entails the steps of:

Abstract: D-pantothenic acid and/or a salt thereof or feedstuffs additives comprising these are prepared by fermentation of a microorganism of the Enterobacteriaceae family, in particular one which already produces D-pantothenic acid, wherein the nucleotide sequence(s) in the microorganism which code(s) for the poxB gene is (are) attenuated, in particular eliminated.

Abstract: Process for the fermentative preparation of L-threonine The invention provides a process for the fermentative preparation of L-threonine using Enterobacteriaceae which in particular already produce L-threonine and in which the nucleotide sequence(s) of coryneform bacteria which code(s) for the thrE gene are enhanced, in particular over-expressed.

Abstract: The present invention provides arrays of single- or doublestranded desoxyribonucleic acid (DNA) probes immobilized on solid supports and for using those probe arrays to detect specific nucleic acid sequences contained in a target nucleic acid in a sample, especially a method to monitore a fermentation process.

Abstract: A method for the fermentative preparation of D-pantothenic acid and/or its salts or feedstuffs additives containing these by the fermentation of microorganisms from the Enterobacteriaceae family in particular those which already produce D-pantothenic acid, wherein the nucleotide sequence(s) coding for the glyA gene is enhanced in the microorganisms, in particular is overexpressed.

Abstract: A process for the enzymatic production of D-pantothenic acid and/or its salts or feedstuffs additives containing the latter by fermentation of microorganisms of the family Enterobacteriaceae, in particular those that already produce D-pantothenic acid, wherein the nucleotide sequence(s) coding for the serC gene is/are enhanced, in particular overexpressed, in the microorganisms.

Abstract: The invention provides a process for the fermentative preparation of L-threonine using Enterobacteriaceae which in particular already produce L-threonine and in which the nucleotide sequence(s) which code(s) for the mqo gene are enhanced, in particular over-expressed.

Abstract: The invention relates to an isolated polynucleotide having a polynucleotide sequence which codes for the dps gene, and a host-vector system having a coryneform host bacterium in which the dps gene is present in attenuated form and a vector which carries at least the dps gene according to SEQ ID No 1, and the use of polynucleotides which comprise the sequences according to the invention as hybridization probes.

Abstract: The invention relates to an isolated polynucleotide having a polynucleotide sequence which codes for the ftsX gene, and a host-vector system having a coryneform host bacterium in which the ftsX gene is present in attenuated form and a vector which carries at least the ftsX gene according to SEQ ID No 1, and the use of polynucleotides which comprise the sequences according to the invention as hybridization probes.

Abstract: The invention relates to an isolated polynucleotide having a polynucleotide sequence which codes for the sigh gene, and a host-vector system having a coryneform host bacterium in which the sigh gene is present in attenuated form and a vector which carries at least the sigh gene according to SEQ ID No 1, and the use of polynucleotides which comprise the sequences according to the invention as hybridization probes.

Abstract: The invention relates to an isolated polynucleotide having a polynucleotide sequence which codes for the clpC gene, and a host-vector system having a coryneform host bacterium in which the clpC gene is present in attenuated form and a vector which carries at least the clpC gene according to SEQ ID No 1, and the use of polynucleotides which comprise the sequences according to the invention as hybridization probes.

Abstract: The invention relates to an isolated polynucleotide containing a polynucleotide sequence selected from the group

Abstract: The invention relates to L-lysine-producing strains of corynebacteria with enhanced lysE gene (lysine export carrier gene), in which strains additional genes chosen from the group comprising the dapA gene (dihydrodipicolinate synthase gene), the lysC gene (aspartate kinase gene), the dapB gene (dihydrodipicolinate reductase gene) and the pyc gene, but especially the dapA gene and the lysC gene (aspartate kinase gene), are enhanced and, in particular, over-expressed, and to a process for the preparation of L-lysine.

Abstract: The invention relates to a process for the fermentative preparation of L-threonine in which an L-threonine-producing microorganism of the Enterobacteriaceae family is cultured by the feed process, and a portion of the fermentation broth is then separated off in order to be utilized for inoculation of further media.

Abstract: The invention relates to L-lysine-producing strains of corynebacteria with amplified lysE gene (lysine export carrier gene), in which strains additional genes chosen from the group comprising the dapA gene (dihydrodipicolinate synthase gene), the lysC gene (aspartate kinase gene), the dapB gene (dihydrodipicolinate reductase gene) and the pyc gene, but especially the dapA gene and the lysC gene (aspartate kinase gene), are amplified and, in particular, overexpressed, and to a process for the preparation of L-lysine.

Abstract: A method for the production of D-pantothenic acid by the fermentation of microorganisms of the family Enterobacteriacae producing D-pantothenic acid which is characterized in that strains are used which a) Contain the plasmid pFV31 and/or pFV202 and that b) A panD gene and optionally other nucleotide sequences coding for aspartate-1-decarboxylase are enhanced, especially overexpressed in these microorganisms, c) The pantothenic acid is enriched in the medium or in the cells of the microorganisms and d) The pantothenic acid formed is isolated.