Other

Cosmo Oil Co., Ltd.

Cosmo Research Institute

Seiji Nishikawa

Yasushi Hotta

Tohru Tanaka

Yoshihiro Katayama

Keitaro Watanabe

Hideki Okada

Masahiro Ishizuka

Kiyotaka Shigehara

Naohisa Tachiya

Eiji Masai

Masao Fukuda

Mai Higo

Tomomi Kaminaga

Kikuo Watanabe

Nobuya Miyachi

A 5-aminolevulinic acid salt which is useful in fields of microorganisms, fermentation, animals, medicaments, plants and the like; a process for producing the same; a medical composition comprising the same; and a plant activator composition comprising the same.

5-aminolevulinic acid salt, process for producing the same and use thereof

Polypeptides having &agr;-hydroxy-&ggr;-carboxymuconic acid-&egr;-semialdehyde dehydrogenase activity

Microorganisms producing 5-aminolevulinic acid which show a 5-aminolevulinic acid synthetase activity of 2 to 7 (nmol/min/mg protein) under aerobic culture conditions with a dissolved oxygen concentration of 0.70 to 6.60 ppm; a process for producing 5-aminolevulinic acid characterized by culturing one or more microorganisms and harvesting 5-aminolevulinic acid from the obtained culture; a process for producing 5-aminolevulinic acid characterized by culturing 5-aminolevulinic acid-producing microorganisms in a medium containing 5 to 500 &mgr;M of iron components; and a method for culturing 5-aminolevulinic acid-producing microorganisms.

Microorganisms producing 5-aminolevulinic acid and processes for producing 5-aminolevulinic acid by using the same

Gene encoding an alpha-hydroxy-gamma-carboxymuconic acid-epsilon-semialdehyde dehydrogenase

A polyamide having repeating units represented by formula (1), wherein R represents a divalent hydrocarbon residue optionally having in the structure a heteroatom having no active hydrogen. The polyamide has a high refractive index, is biodegradable, and is useful as a material for fibers and plastics.

Polyamide and process for producing the same

A polyester having repeating units represented by formula (1):

Polyester and process for producing the same

A microorganism that produces 5-aminolevulinic acid, wherein the microorganism has a 5-aminolevulinic acid dehydratase variant having a reduced inhibitor constant for a 5-aminolevulinic acid dehydratase inhibitor. A microorganism that produces 5-aminolevulinic acid, wherein the microorganism is a photosynthetic bacterium that produces 5-aminolevulinic acid without light irradiation. A process for producing 5-aminolevulinic acid comprising the step of culturing a microorganism that produces 5-aminolevulinic acid in a culture medium under at least one condition selected from the group consisting of (a) less than 1 ppm of dissolved oxygen concentration in the culture medium, (b) from -180 to 50 mV of oxidation-reduction potential in the culture medium, and (c from 5.times.10.sup.-9 to (KrM-2.times.10.sup.-8) (mol of O.sub.2 /ml.multidot.min.cndot.cell) of cellular respiration rate, wherein KrM represents the maximum cellular respiration rate when oxygen is supplied in an excess quantity.

5-aminolevulinic acid producing microorganism and process for producing

A microorganism that produces 5-aminolevulinic acid, wherein the microorganism has a 5-aminolevulinic acid dehydratase variant having a reduced inhibitor constant for a 5-aminolevulinic acid dehydratate inhibitor. A microorganism that produces 5-aminolevulinic acid, wherein the microorganism is a photosynthetic bacterium that produces 5-aminolevulinic acid without light irradiation. A progess for producing 5-aminolevulinic acid comprising the step of culturing a microorganism that produces 5-aminolevulinic acid in a culture medium under at least one condition selected from the group consisting of (a) less than 1 ppm of dissolved oxygen concentration in the culture medium, (b) from -180 to 50 mV of oxidation-reduction potential in the culture medium, and (c) from 5.times.10.sup.-9 to (KrM-2.times.10.sup.-8) (mol of O.sub.2 /ml.multidot.min.multidot.cell) of cellular respiration rate, wherein KrM represents the maximum cellular respiration rate when oxygen is supplied in an excess quantity.

Growing community of inventors

Satte, Japan

Seiji Nishikawa