MUTANTS HAVING A HIGH PRODUCING ABILITY OF 1,2-PROPANEDIOL AND METHOD FOR PREPARING 1,2-PROPANEDIOL USING THE SAME
Mutants having high producing ability of 1,2-propanediol are provided to increase production yield of 1,2-propanediol and reduce separation and purification costs by reducing production of by-products based on the glycerolipid metabolism pathway. A mutant having high 1,2-propanediol-producing abilit...
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Main Authors | , , , , , , |
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Format | Patent |
Language | English |
Published |
27.12.2007
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Abstract | Mutants having high producing ability of 1,2-propanediol are provided to increase production yield of 1,2-propanediol and reduce separation and purification costs by reducing production of by-products based on the glycerolipid metabolism pathway. A mutant having high 1,2-propanediol-producing ability is produced by introducing or amplifying a gene encoding an enzyme for converting glycerol into 2-hydroxypropanal and a gene encoding an enzyme for converting 2-hydroxypropanal into 1,2-propanediol in a microorganism having glycerol-producing ability or being able to use glycerol as a carbon source, which is selected from bacteria, yeasts and fungi, wherein a gene encoding an enzyme for converting 2-hydroxypropanal into glycerol and a gene encoding an enzyme for converting 1,2-propanediol into 2-hydroxypropanal are deleted in the mutant. The 1,2-propanediol is produced by culturing the mutant and isolating 1,2-propanediol from the cultured medium. |
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AbstractList | Mutants having high producing ability of 1,2-propanediol are provided to increase production yield of 1,2-propanediol and reduce separation and purification costs by reducing production of by-products based on the glycerolipid metabolism pathway. A mutant having high 1,2-propanediol-producing ability is produced by introducing or amplifying a gene encoding an enzyme for converting glycerol into 2-hydroxypropanal and a gene encoding an enzyme for converting 2-hydroxypropanal into 1,2-propanediol in a microorganism having glycerol-producing ability or being able to use glycerol as a carbon source, which is selected from bacteria, yeasts and fungi, wherein a gene encoding an enzyme for converting 2-hydroxypropanal into glycerol and a gene encoding an enzyme for converting 1,2-propanediol into 2-hydroxypropanal are deleted in the mutant. The 1,2-propanediol is produced by culturing the mutant and isolating 1,2-propanediol from the cultured medium. |
Author | JANG, SEH HEE LEE, SANG YUP CHOI, HYUNG SEOK JUNG, KWANG SEOP HASINA PARVIN HUQ SONG, HYO HAK KIM, JAE HYUN |
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Snippet | Mutants having high producing ability of 1,2-propanediol are provided to increase production yield of 1,2-propanediol and reduce separation and purification... |
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SubjectTerms | BEER BIOCHEMISTRY CHEMISTRY COMPOSITIONS THEREOF CULTURE MEDIA ENZYMOLOGY METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MUTATION OR GENETIC ENGINEERING PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS SPIRITS VINEGAR WINE |
Title | MUTANTS HAVING A HIGH PRODUCING ABILITY OF 1,2-PROPANEDIOL AND METHOD FOR PREPARING 1,2-PROPANEDIOL USING THE SAME |
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