KR890016178A - Method for producing L-tryptophan by microorganisms - Google Patents

Method for producing L-tryptophan by microorganisms Download PDF

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Publication number
KR890016178A
KR890016178A KR1019880003674A KR880003674A KR890016178A KR 890016178 A KR890016178 A KR 890016178A KR 1019880003674 A KR1019880003674 A KR 1019880003674A KR 880003674 A KR880003674 A KR 880003674A KR 890016178 A KR890016178 A KR 890016178A
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KR
South Korea
Prior art keywords
tryptophan
producing
microorganisms
resistant
high concentrations
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KR1019880003674A
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Korean (ko)
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KR900008251B1 (en
Inventor
임번삼
이새배
임병락
정용일
Original Assignee
김채방
주식회사 미원
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Priority to KR1019880003674A priority Critical patent/KR900008251B1/en
Publication of KR890016178A publication Critical patent/KR890016178A/en
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Publication of KR900008251B1 publication Critical patent/KR900008251B1/en

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    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P13/00—Preparation of nitrogen-containing organic compounds
    • C12P13/04—Alpha- or beta- amino acids
    • C12P13/22—Tryptophan; Tyrosine; Phenylalanine; 3,4-Dihydroxyphenylalanine

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  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Zoology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Microbiology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biotechnology (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)

Abstract

내용 없음No content

Description

미생물에 의한 L-트립토판의 제조방법Method for producing L-tryptophan by microorganisms

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (2)

L-트립토판 아날로그의 고농도에 내성을 가지며 L-페닐알라닌, L-타이로신에 의하여 생육이 촉진되고 L-바린의 고농도에 내성을 갖고 트립토판아제의 활성이 없는 변이주 에쉐리시아 MW 150(KAIST,KCTC 8373P).Variant Escherichia MW 150 (KAIST, KCTC 8373P), resistant to high concentrations of L-tryptophan analog, promoted growth by L-phenylalanine and L-tyrosine, resistant to high concentrations of L-varin, and without tryptophan activity . 상기 제 1 항의 변이주를 사용하여 포도당등으로부터 직접발효하여 L-트립토판을 제조하는 방법.A method for producing L-tryptophan by fermenting directly from glucose or the like using the mutant strain of claim 1. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019880003674A 1988-04-01 1988-04-01 Process for preparing l-triptophan by microorganism KR900008251B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019880003674A KR900008251B1 (en) 1988-04-01 1988-04-01 Process for preparing l-triptophan by microorganism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019880003674A KR900008251B1 (en) 1988-04-01 1988-04-01 Process for preparing l-triptophan by microorganism

Publications (2)

Publication Number Publication Date
KR890016178A true KR890016178A (en) 1989-11-28
KR900008251B1 KR900008251B1 (en) 1990-11-06

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ID=19273357

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Application Number Title Priority Date Filing Date
KR1019880003674A KR900008251B1 (en) 1988-04-01 1988-04-01 Process for preparing l-triptophan by microorganism

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100792095B1 (en) 2006-12-29 2008-01-04 씨제이 주식회사 - - genetically engineered l-tryptophan producing recombinant escherichia coli which has originally l-phenylalanine production character and the method for producing l-tryptophan using the microorganism
KR100838037B1 (en) * 2006-12-29 2008-06-12 씨제이제일제당 (주) - - a microorganism producing l-tryptophan having an inactivated entc gene and the method for producing l-tryptophan using the same
KR100838036B1 (en) * 2006-12-29 2008-06-12 씨제이제일제당 (주) - - a microorganism producing l-tryptophan having an inactivated yjeo gene and the method for producing l-tryptophan using the same

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Publication number Publication date
KR900008251B1 (en) 1990-11-06

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