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    • 4. 发明公开
    • 이노신을 생산하는 미생물 및 그를 이용한 이노신 제조방법
    • 生产微生物的生产方法和使用该方法生产异辛烯的方法
    • KR1020080067145A
    • 2008-07-18
    • KR1020070004341
    • 2007-01-15
    • 씨제이제일제당 (주)
    • 박영훈조광명이희종이진남
    • C12N1/20C12P19/26
    • C12P19/32C12N9/16C12N9/2497C12P19/40C12Y302/02008
    • A novel Corynebacterium ammoniagenes CJIG650 and a novel Corynebacterium ammoniagenes CJIG651 are provided to be prepared by inactivating a gene encoding nucleoside hydrolase II and enhancing a gene encoding 5'-nucleotidase, thereby capable of producing highly concentrated inosine. A Corynebacterium sp. microorganism has the characteristics of Corynebacterium ammoniagenes CJIP2401(deposition no. KCCM-10610) and produces inosinic acid and inosine by inactivating a gene encoding nucleoside hydrolase II, wherein the microorganism is Corynebacterium ammoniagenes CJIG650(deposition no. KCCM-10828P). To produce the inosinic acid, the Corynebacterium ammoniagenes CJIG650 is cultured and the inosinic acid is collected from a culture solution. A Corynebacterium sp. microorganism is characterized in that it produces a highly concentrated inosine by over-expressing a gene encoding 5'-nucleotidase from the Corynebacterium ammoniagenes CJIG650, wherein the Corynebacterium sp. microorganism is Corynebacterium ammoniagenes CJIG651 deposited as a deposition no. KCCM-10829P. The Corynebacterium ammoniagenes CJIG651 is cultured and the inosine is collected from a culture solution to produce the inosine.
    • 提供了一种新型产氨棒杆菌CJIG650和一种新型产氨棒杆菌CJIG651,其通过使编码核苷水解酶II的基因失活并增强编码5'-核苷酸酶的基因,从而能够产生高度浓缩的肌苷来制备。 棒状杆菌属 微生物具有产氨棒杆菌CJIP2401(沉积号KCCM-10610)的特征,通过灭活编码核苷水解酶II的基因产生肌苷酸和肌苷,其中微生物是产氨棒杆菌CJIG650(沉积编号KCCM-10828P)。 为了产生肌苷酸,培养产氨棒杆菌CJIG650,从培养液中收集肌苷酸。 棒状杆菌属 微生物的特征在于通过从产氨棒杆菌CJIG650过表达编码5'-核苷酸酶的基因而产生高度浓缩的肌苷酸,其中棒状杆菌属 微生物是产氨棒杆菌CJIG651沉积成沉积物。 KCCM-10829P。 培养产氨棒杆菌CJIG651,从培养液中收集肌苷以产生肌苷。
    • 5. 发明授权
    • L-라이신 생산능이 향상된 코리네박테리움 속 미생물 및그를 이용한 L-라이신 생산 방법
    • 具有增强的L-赖氨酸生产力的金丝桃属植物的微生物和使用该L-赖氨酸生产的L-赖氨酸的方法
    • KR100838035B1
    • 2008-06-12
    • KR1020060137651
    • 2006-12-29
    • 씨제이제일제당 (주)
    • 구현민이선영양영렬김효진문준옥장재우임상조최종수박영훈
    • C12N15/03C12N1/20C12N1/21C12P13/08
    • C12P13/08
    • A Corynebacterium glutamicum is provided to show enhanced L-lysine productivity by inactivating an endogeneous NCg12534 gene of Corynebacterium glutamicum KFCC10881-C001-0019(deposition no. KCCM 10811P), thereby being used for producing the L-lysine with high concentration. A Corynebacterium glutamicum is characterized in that it has improved L-lysine productivity by inactivating an endogeneous NCg12534 gene having a nucleotide sequence of SEQ ID : NO. 1, wherein the inactivation is done by at least one mutagenesis selected from the group consisting of insertion mutagenesis, deletion mutagenesis, and transition or transversion mutagenesis or by transformation of a Corynebacterium sp. microorganism using a vector including a portion of the NCg12534 gene and an antibiotic marker. A method for producing L-lysine comprises the steps of: (a) culturing the Corynebacterium glutamicum to produce a culture material or produce the L-lysine in cells; and (b) recovering the L-lysine from the culture material. Further, the Corynebacterium glutamicum is sorted by being cultivated in the presence of the antibiotic.
    • 提供谷氨酸棒杆菌以通过灭活谷氨酸棒杆菌KFCC10881-C001-0019(沉积编号KCCM 10811P)的内源性NCg12534基因来显示增强的L-赖氨酸生产率,从而用于生产高浓度的L-赖氨酸。 谷氨酸棒杆菌的特征在于通过使具有SEQ ID NO:1的核苷酸序列的内源性NCg12534基因失活来提高L-赖氨酸生产率。 1,其中所述失活通过至少一种诱变进行,所述诱变选自插入诱变,缺失诱变,转化或颠换诱变或通过转化棒状杆菌属。 使用包含一部分NCg12534基因和抗生素标记的载体的微生物。 一种生产L-赖氨酸的方法包括以下步骤:(a)培养谷氨酸棒杆菌以产生培养物质或在细胞中产生L-赖氨酸; 和(b)从培养物中回收L-赖氨酸。 此外,通过在抗生素存在下培养谷氨酸棒杆菌来分选谷氨酸棒杆菌。
    • 6. 发明公开
    • 글리세롤을 이용한 아미노산의 생산 방법
    • 使用甘油生产氨基酸的方法
    • KR1020070122389A
    • 2007-12-31
    • KR1020070061841
    • 2007-06-22
    • 씨제이제일제당 (주)
    • 박영훈조광명신용욱배현애장진숙주재영
    • C12P13/04C12N1/20
    • C12P13/08C07K14/245C12N1/32C12P13/04C12P13/12
    • A method for producing amino acids is provided to improve production yield of amino acids through diauxic growth of amino acid-producing microorganisms and reduce production costs by using glycerol produced as a by-product of bio diesel as well as glucose as a carbon source. A method for producing amino acids comprises the steps of: culturing an amino acid-producing microorganism capable of employing glycerol and glucose as carbon source in a medium containing 10-100 wt.% of glycerol based on total carbons source amount of the medium; and recovering the amino acids produced from the cultured medium, wherein the produced amino acid is threonine or methionine and the amino acid-producing microorganism is Escherichia coli KCCM-10540, Escherichia coli KCCM-10541, Escherichia coli KCCM-10568 or Escherichia coli CJIT6007(KCCM-10755P) and comprises an inactivated GalR or glpR gene.
    • 提供生产氨基酸的方法,以通过使用生产生物柴油的副产物和葡萄糖作为碳源生产的甘油来提高氨基酸生产微生物的双重生长,从而降低生产成本。 一种生产氨基酸的方法包括以下步骤:培养含有10-100重量%甘油的培养基,该培养基能够以甘油和葡萄糖为碳源,以培养基总碳源为基础,培养含有10-100重量%甘油的培养基; 回收由培养基产生的氨基酸,其中产生的氨基酸是苏氨酸或甲硫氨酸,产生氨基酸的微生物是大肠杆菌KCCM-10540,大肠杆菌KCCM-10541,大肠杆菌KCCM-10568或大肠杆菌CJIT6007( KCCM-10755P),并且包含灭活的GalR或glpR基因。
    • 7. 发明公开
    • 암모니아 특이적 5'-크산틸산 아미나아제 변이체
    • 氨基酸特异性5'-XMP氨基酸突变体
    • KR1020070063375A
    • 2007-06-19
    • KR1020050123529
    • 2005-12-14
    • 씨제이제일제당 (주)
    • 반재구정흥채김의중이한승박영훈김형석한종권이진남오기훈김정환오윤석심재익홍국기최경오김현수백민지강태선
    • C12N1/00
    • C12N9/78C12P19/32
    • A 5-XMP(xanthosine 5'-monophosphate) aminase mutant specific to ammonia is provided to increase conversion activity of from 5-XMP to 5-gualylic acid by inhibiting glutamic acid-degrading activity of 5-XMP aminase and conferring ammonia specificity on 5-XMP aminase, and reduce cytotoxicity of the 5-XMP aminase, so that 5'-guanylic acid is mass-produced. The 5-XMP aminase mutant specific to ammonia is produced by substituting an 86th amino acid residue of 5-XMP aminase derived from mutated Escherichia coli for alanine, serine or glycine, wherein the 5-XMP aminase derived from mutated Escherichia coli has the amino acid sequence of SEQ ID NO:4, 6, 8, 10, 12 or 14; and the 5-XMP aminase mutant specific to ammonia has the amino acid sequence of SEQ ID NO:16, 18, 20 or 22. The 5-XMP is converted into 5'-guanylic acid by the 5-XMP aminase mutant specific to ammonia.
    • 通过抑制5-XMP氨基酶的谷氨酸降解活性并提供氨特异性,提供了对氨特异性的5-XMP(黄烷苷5'-单磷酸)氨基酶突变体,以提高5-XMP至5-gylylic酸的转化活性 -XMP氨基酶,并降低5-XMP氨基酶的细胞毒性,从而大量生产5'-鸟苷酸。 通过用来自突变大肠杆菌的5-XMP氨基酶的第86位氨基酸残基代替丙氨酸,丝氨酸或甘氨酸来产生对氨特异性的5-XMP氨基酶突变体,其中源自突变大肠杆菌的5-XMP氨基酶具有氨基酸 SEQ ID NO:4,6,8,10,12或14的序列; 并且对氨具有特异性的5-XMP氨基酶突变体具有SEQ ID NO:16,18,20或22的氨基酸序列。将5-XMP通过特异于氨的5-XMP氨基酶突变体转化成5'-鸟苷酸 。
    • 8. 发明公开
    • 증가된 푸마레이즈 유전자 발현량을 갖는 5'-이노신산생산성이 우수한 코리네박테리움 속 미생물 및 그를이용하여 5'-이노신산을 생산하는 방법
    • 包含生产高产生5'-肌苷酸的富马酸酶基因的增强表达的CORYNEBACTERIUM基因的微生物以及使用该方法生产5'-氨基酸的方法
    • KR1020070060208A
    • 2007-06-13
    • KR1020050119250
    • 2005-12-08
    • 씨제이제일제당 (주)
    • 박영훈김현수한종권백민지오기훈심재익홍국기강태선
    • C12N1/20C12P19/32
    • A microorganism of Corynebacterium genus having an enhanced expression of a fumarase gene and producing 5-inosinic acid in high productivity and a method for producing the 5-inosinic acid by using the same microorganism are provided to improve productivity of 5-inosinic acid compared to a mother strain by increasing cell growth rate through overexpression of the fumarase gene. The microorganism of Corynebacterium ammoniagenes CJFUM101(KCCM-10689P) having the enhanced expression of fumarase gene and producing 5-inosinic acid in high productivity is provided, wherein the expression enhancement of fumarase gene results in cell growth rate increase of the Corynebacterium genus; the Corynebacterium CJFUM101(KCCM-10689P) is produced by transforming a mother strain with a vector containing the fumarase gene, p117-FUM; and the mother strain is Corynebacterium ammoniagenes ATCC 6872, Corynebacterium ammoniagenes CJIP009(KCCM-10226), Corynebacterium ammoniagenes CJHK25(KCCM-10520) or Corynebacterium ammoniagenes CJHB100(KCCM-10330). The 5-inosinic acid is produced by culturing Corynebacterium ammoniagenes CJFUM101(KCCM-10689P) in a culture medium.
    • 提供了具有增强的富马酸酯酶基因表达并以高生产率产生5-肌苷酸的棒状杆菌属微生物,以及通过使用相同微生物生产5-肌苷酸的方法,以提高5-肌苷酸的生产率,与 通过增加延胡索酸酶基因的过表达增加细胞生长速率的母体菌株。 提供具有增强的富马那酶基因表达并产生高生产率的5-肌苷酸的产氨棒杆菌CJFUM101(KCCM-10689P)的微生物,其中富马酸酶基因的表达增强导致棒状杆菌属细胞的生长速率增加; 通过用含有延胡索酸酶基因p117-FUM的载体转化母株来产生CJFUM101(KCCM-10689P) 母系是产氨棒杆菌ATCC 6872,产氨棒杆菌CJIP009(KCCM-10226),产氨棒杆菌CJHK25(KCCM-10520)或产氨棒杆菌CJHB100(KCCM-10330)。 5-肌苷酸通过在培养基中培养产氨棒杆菌CJFUM101(KCCM-10689P)而产生。