Abstract: Novel polynucleotides derived from microorganisms belonging to coryneform bacteria and fragments thereof, polypeptides encoded by the polynucleotides and fragments thereof, polynucleotide arrays comprising the polynucleotides and fragments thereof, recording media in which the nucleotide sequences of the polynucleotide and fragments thereof have been recorded which are readable in a computer, and use of them.

Abstract: Novel polynucleotides derived from microorganisms belonging to coryneform bacteria and fragments thereof, polypeptides encoded by the polynucleotides and fragments thereof, polynucleotide arrays comprising the polynucleotides and fragments thereof, recording media in which the nucleotide sequences of the polynucleotide and fragments thereof have been recorded which are readable in a computer, and use of them.

Abstract: The present invention relates to a novel glucose-6-phosphate dehydrogenase (hereinafter referred to as “G6PD”) derived from a bacterium belonging to the genus Corynebacterium, a DNA encoding the enzyme, a recombinant DNA comprising the DNA, a transformant comprising the recombinant DNA, a transformant comprising the DNA on its chromosome, and a process for producing L-amino acid or G6PD which comprises culturing the transformant. According to the present invention, a modified G6PD and a DNA encoding the G6PD are obtained, and the productivity of L-amino acid by a microorganism can be improved by using the modified G6PD.

Abstract: The present invention relates to a novel aspartokinase derived from a Coryneform bacterium; a DNA encoding the enzyme; a recombinant DNA containing the above DNA; a Coryneform bacterium having the above recombinant DNA or a Coryneform bacterium having the DNA on its chromosome; and a process for producing L-lysine by culturing the above microorganism. Construction has been successfully made of a DNA encoding an aspartokinase freed from concerted feedback inhibition by L-lysine and L-threonine derived from a Corynebacterium and has a nucleotide sequence encoding an amino acid sequence wherein the amino acid residue at position 311 is an amino acid other than Thr in the amino acid sequence shown by SEQ ID NO: 18.

Abstract: The present invention relates to a fusion polypeptide which comprises a polypeptide having G-CSF activity and a polypeptide having TPO activity and DNA which codes for the fusion polypeptide, to a fusion polypeptide in which a polypeptide having G-CSF activity and a polypeptide having TPO activity are fused via a spacer peptide and DNA which codes for the fusion polypeptide and to a polypeptide in which the fusion polypeptide comprising a polypeptide having G-CSF activity and a polypeptide having TPO activity is chemically modified with a polyalkylene glycol derivative. It also relates to an anemia-treating composition containing the fusion polypeptide as an active ingredient.

Abstract: The present invention relates to a novel glucose-6-phosphate dehydrogenase (hereinafter referred to as “G6PD”) derived from a bacterium belonging to the genus Corynebacterium, a DNA encoding the enzyme, a recombinant DNA comprising the DNA, a transformant comprising the recombinant DNA, a transformant comprising the DNA on its chromosome, and a process for producing L-amino acid or G6PD which comprises culturing the transformant.

Abstract: The present invention provides a novel phage expressing in its head a bi-functional protein that has nuclear translocation and cell adhesion activities. The phage is used to package a foreign substance such as a gene. As a bi-functional protein, TAT protein of HIV can be used. The phage is useful in gene therapy.

Abstract: Novel polynucleotides derived from microorganisms belonging to coryneform bacteria and fragments thereof, polypeptides encoded by the polynucleotides and fragments thereof, polynucleotide arrays comprising the polynucleotides and fragments thereof, recording media in which the nucleotide sequences of the polynucleotide and fragments thereof have been recorded which are readable in a computer, and use of them.

Abstract: A method of amplifying template DNA by polymerase chain reaction (PCR) in which a single oligonucleotide primer having a restriction site is contacted with the template DNA, whereby the oligonucleotide randomly anneals to a single strand of the template DNA and DNA sequences complementary to the single strand are synthesized. An initial PCR amplification yields synthetic DNA sequences having the oligonucleotide sequence incorporated therein at the 5' end, and a sequence complementary to the template DNA. A second PCR amplification under higher stringency conditions amplifies regions of the template DNA to give DNA fragments having the restriction sites of the oligonucleotide primer. Thereby the method can be used to amplify trace quantities of template DNA of unknown sequence simply and efficiently, which has applications in the construction of DNA libraries of chromosome specific regions and the development of probes for chromosome mapping.

Abstract: Disclosed are a process for producing 4-hydroxy-L-proline by the conversion of 4-hydroxy-2-oxoglutaric acid in an aqueous medium in the presence of an amino group donor and an enzyme source belonging to the genus Escherichia and capable of converting 4-hydroxy-2-oxoglutaric acid into 4-hydroxy-L-proline; and a microorganism which belongs to the genus Escherichia, holds a recombinant DNA incorporating a gene coding for .gamma.-glutamylkinase released from the feedback inhibition caused by L-proline, and contains the above enzyme source.

Abstract: The present invention provides a process for producing trans-L-hydroxyproline, which comprises culturing a microorganism which is capable of decomposing amino acids other than trans-L-hydroxyproline but which is substantially incapable of decomposing trans-L-hydroxyproline in a culture medium containing collagen hydrolyzate, and recovering trans-L-hydroxyproline from the resulting culture.The process enhances the content of trans-L-hydroxyproline based on the total weight of amino acids contained in collagen hydrolyzate, and enables efficient production of trans-L-hydroxyproline which is useful as a starting material for the synthesis of medicines.

Abstract: A new strain Lactobacillus sp. KPB-176, which does not possess strict selectivity for specific media and which involves no reduction in the productivity of polysaccharides even during subculture, was isolated from kefir grains. When this new strain is cultured on a medium containing milk whey and casamino acid or when on a medium containing carbohydrate and yeast extract, capsular polysaccharides are produced in high yields.

Abstract: L-arginine is produced by constructing a recombinant DNA composed of a vector DNA and a DNA fragment derived from chromosomal DNA of a microorganism belonging to the genus Corynebacterium or Brevibacterium and bearing genetic information relating to the synthesis of L-arginine-biosynthetic enzyme, introducing the recombinant DNA in a microorganism belonging to the genus Corynebacterium or Brevibacterium, culturing the microorganism in a medium, and recovering L-arginine accumulated in the culture broth.

Abstract: Disclosed is a process for producing L-arginine by transforming a host microorganism belonging to the genus Corynebacterium or Brevibacterium with a recombinant DNA of a DNA fragment containing a gene involved in the biosynthesis of L-arginine and a vector DNA, culturing the transformant in a nutrient medium, accumulating L-arginine in the culture medium and recovering L-arginine therefrom.